St. Marys, ON Weather

    00:00 Thursday
    Partly cloudy
    Partly cloudy
    -11° Feels like -17°
    First Quarter First Quarter Illuminated: 96%
    • Today 1 Jan. Snow with cloudy skies 80% 2.3 mm -9° / -12° Moderate west wind 25 - 42 km/h
    • Tomorrow 2 Jan. Overcast -8° / -11° Moderate west wind 26 - 43 km/h
    • Saturday 3 Jan. Overcast -6° / -10° Moderate west wind 20 - 33 km/h
    • Sunday 4 Jan. Snow with cloudy skies 80% 0.5 mm -6° / -9° Moderate northwest wind 23 - 41 km/h
    • Monday 5 Jan. Snow with partly cloudy skies 90% 5 mm -4° / -10° Moderate south wind 21 - 33 km/h
    • Tuesday 6 Jan. Rain and snow with partly cloud skies 30% 0.3 mm 1° / -5° Moderate southeast wind 25 - 37 km/h
    • Wednesday 7 Jan. Light rain with cloudy skies 60% 1.1 mm 2° / -1° Moderate southeast wind 24 - 38 km/h

    Weather Forecast for St. Marys, ON Today

    , 1 January

    Tomorrow

    , 2 January
    01:00 Partly cloudy -11° Partly cloudy
    Feels Like -17°
    Moderate northwest wind Northwest 15 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 95%
    • Snow depth Snow depth 7.09 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1007 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Visibility Visibility 10 km
    02:00 Snow with cloudy skies 30% 0.04 in -11° Snow
    Feels Like -17°
    Moderate northwest wind Northwest 15 - 24 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.04 in
    • Humidity Humidity 79%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 98%
    • Snow depth Snow depth 7.48 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1008 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 10 km
    03:00 Snow with cloudy skies 40% 0.08 in -11° Snow
    Feels Like -17°
    Moderate northwest wind Northwest 13 - 25 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 40% 0.08 in
    • Humidity Humidity 80%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.48 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1010 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Visibility Visibility 6 km
    04:00 Snow with cloudy skies 40% 0.12 in -11° Snow
    Feels Like -17°
    Moderate northwest wind Northwest 13 - 22 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 40% 0.12 in
    • Humidity Humidity 83%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.48 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1010 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 5 km
    Snow 05:00 Snow with cloudy skies 50% 0.12 in -11° Snow
    Feels Like -17°
    Moderate northwest wind Northwest 15 - 24 km/h
    		UV Index 0 Low SPF: no
    05:00 Snow with cloudy skies 50% 0.8 in -11° Snow
    Feels Like -17°
    Moderate northwest wind Northwest 15 - 24 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 50% 0.12 in
    • Humidity Humidity 83%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.48 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 5 km
    06:00 Snow with cloudy skies 50% 0.08 in -11° Snow
    Feels Like -17°
    Moderate northwest wind Northwest 16 - 26 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 50% 0.08 in
    • Humidity Humidity 82%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.48 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 5 km
    07:00 Snow with cloudy skies 50% 0.12 in -11° Snow
    Feels Like -17°
    Moderate northwest wind Northwest 13 - 25 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 50% 0.12 in
    • Humidity Humidity 83%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Visibility Visibility 4 km
    Snow 08:00 Snow with cloudy skies 40% 0.12 in -11° Snow
    Feels Like -15°
    Moderate northwest wind Northwest 8 - 21 km/h
    		UV Index 0 Low SPF: no
    08:00 Snow with cloudy skies 50% 0.8 in -11° Snow
    Feels Like -15°
    Moderate northwest wind Northwest 8 - 21 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 40% 0.12 in
    • Humidity Humidity 84%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 6 km
    09:00 Snow with cloudy skies 40% 0.08 in -11° Snow
    Feels Like -16°
    Gentle west wind West 11 - 17 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 40% 0.08 in
    • Humidity Humidity 83%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -16 °C
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Visibility Visibility 8 km
    10:00 Snow with cloudy skies 30% 0.12 in -10° Snow
    Feels Like -18°
    Moderate west wind West 22 - 35 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.12 in
    • Humidity Humidity 80%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 8 km
    Snow 11:00 Snow with cloudy skies 30% 0.04 in -10° Snow
    Feels Like -18°
    Moderate west wind West 24 - 39 km/h
    		UV Index 0 Low SPF: no
    11:00 Snow with cloudy skies 30% 0.4 in -10° Snow
    Feels Like -18°
    Moderate west wind West 24 - 39 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.04 in
    • Humidity Humidity 78%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 98%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Visibility Visibility 14 km
    12:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 25 - 42 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Visibility Visibility 7 km
    13:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 24 - 41 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Visibility Visibility 12 km
    Partly cloudy 14:00 Partly cloudy -10° Partly cloudy
    Feels Like -18°
    Moderate west wind West 24 - 39 km/h
    		UV Index 0 Low SPF: no
    14:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 24 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 93%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Visibility Visibility 25 km
    15:00 Overcast -11° Overcast
    Feels Like -19°
    Moderate west wind West 23 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Visibility Visibility 20 km
    16:00 Overcast -11° Overcast
    Feels Like -19°
    Moderate southwest wind Southwest 21 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Visibility Visibility 8 km
    Overcast 17:00 Overcast -11° Overcast
    Feels Like -19°
    Moderate southwest wind Southwest 22 - 36 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast -11° Overcast
    Feels Like -19°
    Moderate southwest wind Southwest 22 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Visibility Visibility 8 km
    18:00 Overcast -11° Overcast
    Feels Like -19°
    Moderate southwest wind Southwest 22 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Visibility Visibility 12 km
    19:00 Overcast -11° Overcast
    Feels Like -18°
    Moderate west wind West 20 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Visibility Visibility 10 km
    Overcast 20:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 21 - 34 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 21 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Visibility Visibility 12 km
    21:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 22 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Visibility Visibility 14 km
    22:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 22 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1010 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 14 km
    Overcast 23:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 22 - 35 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 22 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 16 km
    24:00 Overcast -10° Overcast
    Feels Like -18°
    Moderate west wind West 22 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 16 km

    Sunrise and Sunset

    Sunrise 07:56 Sunset 16:59
    First light 07:24 Midday 12:28 Last light 17:32
    Day length 9h 3m

    Time remaining until sunrise 7h 19m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    1 First Quarter
    2 Full Moon
    3 Full Moon
    4 Full Moon
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter
    14 Last Quarter

    Air quality in St. Marys today

    Detail
    34
    Fair O₃ (84 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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