St. Catharines, ON Weather

    17:00 Monday
    Overcast
    Overcast
    1° Feels like -3°
    First Quarter First Quarter Illuminated: 6%
    • Today 22 Dec. Rain and snow with partly cloud skies 50% 0.6 mm 3° / -6° Moderate southwest wind 24 - 47 km/h
    • Tomorrow 23 Dec. Rain and snow with partly cloud skies 90% 2.7 mm 5° / 0° Strong northwest wind 29 - 51 km/h
    • Wednesday 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

    Weather Forecast for St. Catharines, ON Today

    , 22 December

    Tomorrow

    , 23 December
    17:00 Overcast 2° Overcast
    Feels Like -2°
    Moderate southwest wind Southwest 17 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • 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 17 km/h
    • Pressure Pressure 1029 hPa
    • Snowline Snowline 2297 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 16 km
    18:00 Overcast 1° Overcast
    Feels Like -3°
    Moderate southwest wind Southwest 15 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • 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 1028 hPa
    • Snowline Snowline 1969 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Visibility Visibility 9 km
    19:00 Overcast 1° Overcast
    Feels Like -3°
    Moderate southwest wind Southwest 14 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 87%
    • 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 1028 hPa
    • Snowline Snowline 2297 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 9 km
    20:00 Rain and snow with cloudy skies 30% 0.08 in 1° Rain and snow
    Feels Like -2°
    Moderate southwest wind Southwest 13 - 25 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.08 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 1027 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Visibility Visibility 6 km
    21:00 Rain and snow with cloudy skies 30% 0.08 in 1° Rain and snow
    Feels Like -2°
    Moderate southwest wind Southwest 12 - 23 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.08 in
    • Humidity Humidity 88%
    • 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 12 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Visibility Visibility 8 km
    22:00 Rain and snow with cloudy skies 30% 0.04 in 1° Rain and snow
    Feels Like -2°
    Moderate south wind South 12 - 22 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.04 in
    • Humidity Humidity 88%
    • 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 12 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 10 km
    23:00 Overcast 1° Overcast
    Feels Like -2°
    Moderate south wind South 11 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 88%
    • 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 11 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 10 km
    24:00 Rain and snow with cloudy skies 30% 0.04 in 1° Rain and snow
    Feels Like -2°
    Moderate south wind South 11 - 20 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.04 in
    • Humidity Humidity 88%
    • 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 11 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Visibility Visibility 8 km

    Sunrise and Sunset

    Sunrise 07:46 Sunset 16:45
    First light 07:13 Midday 12:15 Last light 17:17
    Day length 8h 59m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    22 First Quarter
    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

    Air quality in St. Catharines today

    Detail
    28
    Fair O₃ (67 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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