St. Catharines, ON Weather

    03:00 Thursday
    Overcast
    Overcast
    2° Feels like 0°
    First Quarter First Quarter Illuminated: 28%
    • Today 25 Dec. Partly cloudy 3° / -6° Moderate north wind 21 - 43 km/h
    • Tomorrow 26 Dec. Snow with cloudy skies 90% 9.8 mm -4° / -7° Moderate east wind 28 - 49 km/h
    • Saturday 27 Dec. Partly cloudy 1° / -7° Moderate east wind 18 - 34 km/h
    • Sunday 28 Dec. Light rain with partly cloudy skies 90% 2.3 mm 3° / 0° Moderate southeast wind 10 - 20 km/h
    • Monday 29 Dec. Snow with partly cloudy skies 90% 5.6 mm 3° / -4° Strong northwest wind 34 - 65 km/h
    • Tuesday 30 Dec. Snow with partly cloudy skies 70% 2.3 mm -3° / -7° Strong northwest wind 29 - 61 km/h
    • Wednesday 31 Dec. Snow with cloudy skies 70% 2.8 mm 2° / -6° Strong southwest wind 30 - 64 km/h

    Weather Forecast for St. Catharines, ON Today

    , 25 December

    Tomorrow

    , 26 December
    03:00 Overcast 2° Overcast
    Feels Like 0°
    Gentle west wind West 7 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 6234 ft
    04:00 Scattered clouds 1° Scattered clouds
    Feels Like -1°
    Gentle southwest wind Southwest 8 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 83%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 39%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 6562 ft
    05:00 Scattered clouds 1° Scattered clouds
    Feels Like -2°
    Gentle southwest wind Southwest 8 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 84%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 36%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 6890 ft
    06:00 Partly cloudy 1° Partly cloudy
    Feels Like -2°
    Gentle west wind West 10 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 89%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 5577 ft
    07:00 Clear skies 1° Clear
    Feels Like -2°
    Moderate west wind West 10 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 8%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 6562 ft
    Scattered clouds 08:00 Scattered clouds 0° Scattered clouds
    Feels Like -3°
    Moderate west wind West 12 - 20 km/h
    		UV Index 0 Low SPF: no
    08:00 Partly cloudy 0° Partly cloudy
    Feels Like -3°
    Moderate west wind West 12 - 20 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 5906 ft
    09:00 Partly cloudy 1° Partly cloudy
    Feels Like -2°
    Moderate northwest wind Northwest 15 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 80%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 984 ft
    10:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate north wind North 20 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 90%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 984 ft
    Partly cloudy 11:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate north wind North 20 - 40 km/h
    		UV Index 1 Low SPF: no
    11:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate north wind North 20 - 40 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 75%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 984 ft
    12:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate north wind North 20 - 40 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 75%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 984 ft
    13:00 Partly cloudy 1° Partly cloudy
    Feels Like -3°
    Moderate north wind North 21 - 42 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 93%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 656 ft
    Scattered clouds 14:00 Scattered clouds 1° Scattered clouds
    Feels Like -4°
    Moderate north wind North 21 - 42 km/h
    		UV Index 1 Low SPF: no
    14:00 Partly cloudy 1° Partly cloudy
    Feels Like -4°
    Moderate north wind North 21 - 42 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like -4 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 656 ft
    15:00 Partly cloudy 0° Partly cloudy
    Feels Like -5°
    Moderate north wind North 20 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 68%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1023 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 328 ft
    16:00 Partly cloudy -1° Partly cloudy
    Feels Like -6°
    Moderate north wind North 20 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 82%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 0 ft
    Partly cloudy 17:00 Partly cloudy -2° Partly cloudy
    Feels Like -7°
    Moderate north wind North 19 - 38 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy -2° Partly cloudy
    Feels Like -7°
    Moderate north wind North 19 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 55%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 0 ft
    18:00 Scattered clouds -3° Scattered clouds
    Feels Like -8°
    Moderate north wind North 21 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 53%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 0 ft
    19:00 Scattered clouds -4° Scattered clouds
    Feels Like -9°
    Moderate northeast wind Northeast 21 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like -9 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 0 ft
    Partly cloudy 20:00 Partly cloudy -4° Partly cloudy
    Feels Like -10°
    Moderate northeast wind Northeast 20 - 41 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy -4° Partly cloudy
    Feels Like -10°
    Moderate northeast wind Northeast 20 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 66%
    • Feels Like Feels Like -10 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 0 ft
    21:00 Partly cloudy -5° Partly cloudy
    Feels Like -11°
    Moderate northeast wind Northeast 20 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 82%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 0 ft
    22:00 Overcast -5° Overcast
    Feels Like -11°
    Moderate northeast wind Northeast 18 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 0 ft
    Overcast 23:00 Overcast -5° Overcast
    Feels Like -11°
    Moderate northeast wind Northeast 19 - 37 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast -5° Overcast
    Feels Like -11°
    Moderate northeast wind Northeast 19 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 0 ft
    24:00 Overcast -5° Overcast
    Feels Like -11°
    Moderate east wind East 18 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 0 ft

    Sunrise and Sunset

    Sunrise 07:47 Sunset 16:47
    First light 07:14 Midday 12:17 Last light 17:19
    Day length 9h

    Time remaining until sunrise 4h 21m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    6 Last Quarter
    7 Last Quarter

    Air quality in St. Catharines 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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