St. Catharines, ON Weather

    06:00 Thursday
    Clear
    Clear skies
    0° Feels like -3°
    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% 6.8 mm -2° / -7° Strong east wind 29 - 53 km/h
    • Saturday 27 Dec. Partly cloudy -2° / -5° Moderate northeast wind 21 - 38 km/h
    • Sunday 28 Dec. Light rain with partly cloudy skies 90% 3.1 mm 4° / -5° Moderate east wind 11 - 22 km/h
    • Monday 29 Dec. Snow with cloudy skies 90% 8.6 mm 7° / -4° Strong northwest wind 35 - 67 km/h
    • Tuesday 30 Dec. Snow with cloudy skies 70% 0.5 mm -3° / -6° Strong northwest wind 38 - 74 km/h
    • Wednesday 31 Dec. Snow with cloudy skies 70% 1.8 mm 0° / -7° Strong southwest wind 29 - 56 km/h

    Weather Forecast for St. Catharines, ON Today

    , 25 December

    Tomorrow

    , 26 December
    07:00 Clear skies 0° Clear
    Feels Like -3°
    Moderate west wind West 12 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 2%
    • 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 22 km/h
    • Snowline Snowline 6562 ft
    08:00 Scattered clouds 0° Scattered clouds
    Feels Like -3°
    Moderate northwest wind Northwest 14 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 86%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 5906 ft
    09:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate northwest wind Northwest 17 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 88%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 984 ft
    10:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate northwest wind Northwest 17 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 78%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 1312 ft
    Partly cloudy 11:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate north wind North 21 - 39 km/h
    		UV Index 1 Low SPF: no
    11:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate north wind North 21 - 39 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 85%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 984 ft
    12:00 Partly cloudy 2° Partly cloudy
    Feels Like -3°
    Moderate north wind North 21 - 43 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 70%
    • 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 43 km/h
    • Snowline Snowline 656 ft
    13:00 Partly cloudy 1° Partly cloudy
    Feels Like -4°
    Moderate north wind North 20 - 41 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 62%
    • Feels Like Feels Like -4 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 656 ft
    Partly cloudy 14:00 Partly cloudy 0° Partly cloudy
    Feels Like -5°
    Moderate north wind North 21 - 42 km/h
    		UV Index 1 Low SPF: no
    14:00 Partly cloudy 0° Partly cloudy
    Feels Like -5°
    Moderate north wind North 21 - 42 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 57%
    • Feels Like Feels Like -5 °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 328 ft
    15:00 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 68%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like -6 °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 0 ft
    16:00 Partly cloudy -2° Partly cloudy
    Feels Like -7°
    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 -7 °C
    • Clouds Clouds 58%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 0 ft
    Scattered clouds 17:00 Scattered clouds -3° Scattered clouds
    Feels Like -8°
    Moderate north wind North 19 - 39 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy -3° Partly cloudy
    Feels Like -8°
    Moderate north wind North 19 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 0 ft
    18:00 Scattered clouds -3° Scattered clouds
    Feels Like -9°
    Moderate north wind North 20 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 51%
    • Feels Like Feels Like -9 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 0 ft
    19:00 Partly cloudy -4° Partly cloudy
    Feels Like -9°
    Moderate northeast wind Northeast 19 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 57%
    • Feels Like Feels Like -9 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 0 ft
    Scattered clouds 20:00 Scattered clouds -4° Scattered clouds
    Feels Like -10°
    Moderate northeast wind Northeast 20 - 38 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy -4° Partly cloudy
    Feels Like -10°
    Moderate northeast wind Northeast 20 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 43%
    • 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 38 km/h
    • Snowline Snowline 0 ft
    21:00 Scattered clouds -5° Scattered clouds
    Feels Like -10°
    Moderate northeast wind Northeast 19 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 55%
    • Feels Like Feels Like -10 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 0 ft
    22:00 Partly cloudy -5° Partly cloudy
    Feels Like -11°
    Moderate northeast wind Northeast 18 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 83%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 0 ft
    Partly cloudy 23:00 Partly cloudy -5° Partly cloudy
    Feels Like -11°
    Moderate east wind East 17 - 36 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast -5° Overcast
    Feels Like -11°
    Moderate east wind East 17 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 93%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 0 ft
    24:00 Overcast -6° Overcast
    Feels Like -11°
    Moderate east wind East 17 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 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 52m

    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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