St. Catharines, ON Weather

    11:00 Saturday
    Partly cloudy
    Partly cloudy
    2° Feels like -2°
    Moderate northwest wind Northwest 18 - 38 km/h
    • Today 28 Feb. Snow with partly cloudy skies 90% 0.9 mm 7° / -6° Strong south wind 33 - 58 km/h
    • Tomorrow 1 March Snow with partly cloudy skies 50% 0.3 mm -5° / -10° Moderate north wind 18 - 38 km/h
    • Monday 2 March Scattered clouds -2° / -11° Moderate northeast wind 10 - 25 km/h
    • Tuesday 3 March Rain and snow with partly cloud skies 90% 11 mm 2° / -5° Moderate north wind 11 - 20 km/h
    • Wednesday 4 March Fog More information 4° / -2° Moderate north wind 7 - 22 km/h
    • Thursday 5 March Light rain with cloudy skies 80% 4.9 mm 4° / -2° Moderate east wind 23 - 41 km/h
    • Friday 6 March Moderate rain with partly cloudy skies 70% 12 mm 6° / 0° Moderate northeast wind 16 - 41 km/h

    Weather Forecast for St. Catharines, ON Today

    , 28 February

    Tomorrow

    , 1 March
    11:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate northwest wind Northwest 18 - 38 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 59%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 656 ft
    12:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate northwest wind Northwest 17 - 38 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 69%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 656 ft
    13:00 Partly cloudy 1° Partly cloudy
    Feels Like -3°
    Moderate northwest wind Northwest 17 - 37 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 75%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 328 ft
    14:00 Partly cloudy 1° Partly cloudy
    Feels Like -3°
    Moderate northwest wind Northwest 18 - 39 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 80%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 328 ft
    15:00 Partly cloudy 0° Partly cloudy
    Feels Like -4°
    Moderate northwest wind Northwest 21 - 42 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 73%
    • Feels Like Feels Like -4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 328 ft
    16:00 Partly cloudy -1° Partly cloudy
    Feels Like -6°
    Moderate northwest wind Northwest 21 - 43 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 84%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 0 ft
    Partly cloudy 17:00 Partly cloudy -2° Partly cloudy
    Feels Like -7°
    Moderate northwest wind Northwest 19 - 41 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy -2° Partly cloudy
    Feels Like -7°
    Moderate northwest wind Northwest 19 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 69%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1023 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 0 ft
    18:00 Scattered clouds -2° Scattered clouds
    Feels Like -7°
    Moderate northwest wind Northwest 17 - 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 52%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 0 ft
    19:00 Partly cloudy -3° Partly cloudy
    Feels Like -8°
    Moderate northwest wind Northwest 15 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 96%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 0 ft
    Overcast 20:00 Overcast -3° Overcast
    Feels Like -8°
    Moderate northwest wind Northwest 16 - 30 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast -3° Overcast
    Feels Like -8°
    Moderate northwest wind Northwest 16 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 0 ft
    21:00 Overcast -4° Overcast
    Feels Like -9°
    Moderate north wind North 17 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -9 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 0 ft
    22:00 Overcast -4° Overcast
    Feels Like -10°
    Moderate north wind North 17 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -10 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 0 ft
    Snow 23:00 Snow with cloudy skies 40% 0.04 in -5° Snow
    Feels Like -11°
    Moderate north wind North 18 - 36 km/h
    		UV Index 0 Low SPF: no
    23:00 Snow with cloudy skies 40% 0.2 in -5° Snow
    Feels Like -11°
    Moderate north wind North 18 - 36 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 40% 0.04 in
    • Humidity Humidity 69%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0 in
    • Feels Like Feels Like -11 °C
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Visibility Visibility 8 km
    24:00 Snow with cloudy skies 40% 0.04 in -5° Snow
    Feels Like -11°
    Moderate north wind North 16 - 35 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 40% 0.04 in
    • Humidity Humidity 70%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0 in
    • Feels Like Feels Like -11 °C
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 9 km

    Sunrise and Sunset

    Sunrise 06:54 Sunset 18:05
    First light 06:26 Midday 12:29 Last light 18:33
    Day length 11h 10m

    Remaining daylight 9h 53m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    28 First Quarter
    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

    Air quality in St. Catharines today

    Detail
    36
    Fair O₃ (87 µg/m³)

    Weather graphs
    Maximum Minimum Rainfall

    Videos

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