St. Catharines, ON Weather

    02:00 Tuesday
    Rain and snow
    Rain and snow with cloudy skies
    1° Feels like -3°
    60% 0.3 in
    • Today 23 Dec. Rain and snow with partly cloud skies 90% 2.7 mm 5° / 0° Strong northwest wind 29 - 51 km/h
    • Tomorrow 24 Dec. Partly cloudy 3° / -3° Strong northwest wind 28 - 53 km/h
    • Thursday 25 Dec. Partly cloudy 2° / -4° Moderate east wind 20 - 41 km/h
    • Friday 26 Dec. Snow with cloudy skies 90% 8 mm 0° / -6° Moderate east wind 24 - 49 km/h
    • Saturday 27 Dec. Overcast 0° / -2° Moderate northeast wind 19 - 37 km/h
    • Sunday 28 Dec. Light rain with partly cloudy skies 80% 2.9 mm 9° / -4° Very strong west wind 40 - 78 km/h
    • Monday 29 Dec. Snow with cloudy skies 60% 0.7 mm -3° / -8° Very strong west wind 35 - 81 km/h

    Weather Forecast for St. Catharines, ON Today

    , 23 December

    Tomorrow

    , 24 December
    03:00 Rain and snow with cloudy skies 60% 0.12 in 1° Rain and snow
    Feels Like -3°
    Moderate southeast wind Southeast 14 - 24 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 60% 0.12 in
    • Humidity Humidity 89%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -3 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1022 hPa
    • Snowline Snowline 2953 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 5 km
    04:00 Rain and snow with cloudy skies 80% 0.24 in 1° Rain and snow
    Feels Like -3°
    Moderate southeast wind Southeast 15 - 26 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 80% 0.24 in
    • Humidity Humidity 90%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -3 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1020 hPa
    • Snowline Snowline 2953 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 4 km
    05:00 Rain and snow with cloudy skies 90% 0.12 in 1° Rain and snow
    Feels Like -2°
    Moderate southeast wind Southeast 13 - 25 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 90% 0.12 in
    • Humidity Humidity 89%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1019 hPa
    • Snowline Snowline 2953 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Visibility Visibility 10 km
    06:00 Rain and snow with cloudy skies 90% 0.12 in 1° Rain and snow
    Feels Like -2°
    Moderate southeast wind Southeast 12 - 22 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 90% 0.12 in
    • Humidity Humidity 92%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1018 hPa
    • Snowline Snowline 2297 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 4 km
    07:00 Light rain with cloudy skies 90% 0.024 mm 1° Light rain
    Feels Like -2°
    Moderate south wind South 12 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 90% 0.024 mm
    • Humidity Humidity 95%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1017 hPa
    • Snowline Snowline 2297 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 5 km
    Light rain 08:00 Light rain with cloudy skies 80% 0.008 mm 1° Light rain
    Feels Like -2°
    Moderate south wind South 14 - 23 km/h
    		UV Index 0 Low SPF: no
    08:00 Light rain with cloudy skies 90% 0.8 mm 1° Light rain
    Feels Like -2°
    Moderate south wind South 14 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 80% 0.008 mm
    • Humidity Humidity 94%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1016 hPa
    • Snowline Snowline 2297 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Visibility Visibility 12 km
    09:00 Overcast 2° Overcast
    Feels Like -2°
    Moderate south wind South 16 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 94%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1015 hPa
    • Snowline Snowline 4265 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 18 km
    10:00 Overcast 3° Overcast
    Feels Like -1°
    Moderate southwest wind Southwest 17 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 92%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 6234 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Visibility Visibility 12 km
    Overcast 11:00 Overcast 3° Overcast
    Feels Like -1°
    Moderate southwest wind Southwest 20 - 34 km/h
    		UV Index 0 Low SPF: no
    11:00 Overcast 3° Overcast
    Feels Like -1°
    Moderate southwest wind Southwest 20 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 91%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 5906 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Visibility Visibility 18 km
    12:00 Overcast 4° Overcast
    Feels Like 0°
    Moderate southwest wind Southwest 21 - 35 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 91%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 5577 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 30 km
    13:00 Overcast 4° Overcast
    Feels Like 0°
    Moderate southwest wind Southwest 21 - 37 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 90%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 7546 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Visibility Visibility 25 km
    Overcast 14:00 Overcast 4° Overcast
    Feels Like 0°
    Moderate southwest wind Southwest 21 - 37 km/h
    		UV Index 0 Low SPF: no
    14:00 Overcast 4° Overcast
    Feels Like 0°
    Moderate southwest wind Southwest 21 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 88%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 7546 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Visibility Visibility 35 km
    15:00 Scattered clouds 5° Scattered clouds
    Feels Like 1°
    Moderate southwest wind Southwest 21 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 86%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 26%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 1 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1012 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Visibility Visibility 40 km
    16:00 Scattered clouds 4° Scattered clouds
    Feels Like 0°
    Moderate southwest wind Southwest 21 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 86%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 24%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 6562 ft
    Scattered clouds 17:00 Scattered clouds 4° Scattered clouds
    Feels Like -1°
    Moderate west wind West 21 - 38 km/h
    		UV Index 0 Low SPF: no
    17:00 Scattered clouds 4° Scattered clouds
    Feels Like -1°
    Moderate west wind West 21 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 51%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 5906 ft
    18:00 Scattered clouds 3° Scattered clouds
    Feels Like -1°
    Moderate west wind West 21 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 28%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 5577 ft
    19:00 Clear skies 3° Clear
    Feels Like -1°
    Moderate west wind West 20 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 88%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 5%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 5249 ft
    Scattered clouds 20:00 Scattered clouds 2° Scattered clouds
    Feels Like -2°
    Moderate west wind West 19 - 35 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate west wind West 19 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 22%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 2625 ft
    21:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate west wind West 20 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 86%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 94%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 1969 ft
    22:00 Overcast 3° Overcast
    Feels Like -2°
    Moderate west wind West 24 - 42 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 1640 ft
    Partly cloudy 23:00 Partly cloudy 2° Partly cloudy
    Feels Like -3°
    Moderate west wind West 24 - 44 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 2° Overcast
    Feels Like -3°
    Moderate west wind West 24 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 96%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 1312 ft
    24:00 Partly cloudy 2° Partly cloudy
    Feels Like -3°
    Strong northwest wind Northwest 29 - 51 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 91%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 51 km/h
    • Snowline Snowline 1312 ft

    Sunrise and Sunset

    Sunrise 07:46 Sunset 16:45
    First light 07:14 Midday 12:16 Last light 17:18
    Day length 8h 59m

    Time remaining until sunrise 5h 4m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter
    2 Full Moon
    3 Full Moon
    4 Full Moon
    5 Last Quarter

    Air quality in St. Catharines today

    Detail
    32
    Fair PM₂₅ (18 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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