St. Thomas, ON Weather

    14:00 Sunday
    Overcast
    Overcast
    -11° Feels like -18°
    Moderate west wind West 23 - 38 km/h
    • Today 14 Dec. Snow with partly cloudy skies 50% 0.8 mm -8° / -18° Moderate west wind 26 - 47 km/h
    • Tomorrow 15 Dec. Snow with partly cloudy skies 90% 1.4 mm -7° / -13° Strong southwest wind 32 - 54 km/h
    • Tuesday 16 Dec. Partly cloudy 0° / -10° Moderate southwest wind 29 - 48 km/h
    • Wednesday 17 Dec. Partly cloudy 2° / -1° Moderate southwest wind 29 - 48 km/h
    • Thursday 18 Dec. Light rain with partly cloudy skies 90% 7.8 mm 6° / -1° Strong south wind 36 - 61 km/h
    • Friday 19 Dec. Snow with partly cloudy skies 80% 4.9 mm 7° / -9° Strong northwest wind 38 - 73 km/h
    • Saturday 20 Dec. Partly cloudy 2° / -10° Strong south wind 25 - 50 km/h

    Weather Forecast for St. Thomas, ON Today

    , 14 December

    Tomorrow

    , 15 December
    14:00 Overcast -11° Overcast
    Feels Like -18°
    Moderate west wind West 23 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 83%
    • 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 23 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Visibility Visibility 9 km
    15:00 Overcast -10° Overcast
    Feels Like -17°
    Moderate west wind West 20 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point -12 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Visibility Visibility 10 km
    16:00 Partly cloudy -10° Partly cloudy
    Feels Like -16°
    Moderate northwest wind Northwest 15 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point -12 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -16 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1028 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Visibility Visibility 14 km
    17:00 Partly cloudy -10° Partly cloudy
    Feels Like -16°
    Moderate northwest wind Northwest 12 - 24 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 84%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 63%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -16 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1029 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 20 km
    18:00 Partly cloudy -11° Partly cloudy
    Feels Like -18°
    Moderate northwest wind Northwest 16 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 62%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1030 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 30 km
    19:00 Overcast -11° Overcast
    Feels Like -18°
    Moderate northwest wind Northwest 14 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 98%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1031 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Visibility Visibility 14 km
    20:00 Overcast -10° Overcast
    Feels Like -15°
    Moderate northwest wind Northwest 10 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1031 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Visibility Visibility 5 km
    21:00 Snow with cloudy skies 30% 0.04 in -10° Snow
    Feels Like -14°
    Gentle west wind West 8 - 16 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.04 in
    • Humidity Humidity 88%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1031 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Visibility Visibility 4 km
    22:00 Overcast -9° Overcast
    Feels Like -13°
    Gentle west wind West 7 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -13 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1030 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Visibility Visibility 5 km
    Overcast 23:00 Overcast -9° Overcast
    Feels Like -14°
    Gentle west wind West 12 - 19 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast -9° Overcast
    Feels Like -14°
    Gentle west wind West 12 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1030 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Visibility Visibility 6 km
    24:00 Overcast -9° Overcast
    Feels Like -15°
    Moderate west wind West 17 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 7.87 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1031 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Visibility Visibility 12 km

    Sunrise and Sunset

    Sunrise 07:47 Sunset 16:51
    First light 07:15 Midday 12:19 Last light 17:23
    Day length 9h 4m

    Remaining daylight 2h 41m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    14 Last Quarter
    15 Last Quarter
    16 Last Quarter
    17 Last Quarter
    18 New Moon
    19 New Moon
    20 New Moon
    21 New Moon
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter

    Air quality in St. Thomas today

    Detail
    31
    Fair O₃ (77 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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