St. Catharines, ON Weather

    11:00 Monday
    Partly cloudy
    Partly cloudy
    2° Feels like -3°
    Moderate southwest wind Southwest 22 - 41 km/h
    • Today 22 Dec. Snow with partly cloudy skies 60% 0.8 mm 3° / -6° Moderate southwest wind 23 - 45 km/h
    • Tomorrow 23 Dec. Rain and snow with partly cloud skies 90% 4.5 mm 5° / 0° Moderate west wind 23 - 42 km/h
    • Wednesday 24 Dec. Partly cloudy 3° / -1° Moderate northwest wind 21 - 40 km/h
    • Thursday 25 Dec. Partly cloudy 2° / -3° Moderate north wind 19 - 36 km/h
    • Friday 26 Dec. Snow with cloudy skies 90% 7.9 mm 1° / -6° Strong east wind 30 - 50 km/h
    • Saturday 27 Dec. Light rain with cloudy skies 70% 0.2 mm 4° / 0° Moderate west wind 9 - 21 km/h
    • Sunday 28 Dec. Snow with partly cloudy skies 70% 5.1 mm 11° / -2° Strong west wind 34 - 66 km/h

    Weather Forecast for St. Catharines, ON Today

    , 22 December

    Tomorrow

    , 23 December
    11:00 Partly cloudy 2° Partly cloudy
    Feels Like -3°
    Moderate southwest wind Southwest 22 - 41 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 55%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -3 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1031 hPa
    • Snowline Snowline 984 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Visibility Visibility 50 km
    12:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate southwest wind Southwest 23 - 45 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 65%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1030 hPa
    • Snowline Snowline 984 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Visibility Visibility 50 km
    13:00 Overcast 2° Overcast
    Feels Like -2°
    Moderate southwest wind Southwest 23 - 45 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 97%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1029 hPa
    • Snowline Snowline 984 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Visibility Visibility 50 km
    14:00 Overcast 2° Overcast
    Feels Like -2°
    Moderate southwest wind Southwest 21 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1029 hPa
    • Snowline Snowline 1312 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Visibility Visibility 40 km
    15:00 Overcast 2° Overcast
    Feels Like -1°
    Moderate southwest wind Southwest 17 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -3 °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 1029 hPa
    • Snowline Snowline 1312 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Visibility Visibility 45 km
    16:00 Overcast 2° Overcast
    Feels Like -2°
    Moderate southwest wind Southwest 17 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point -2 °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 1312 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Visibility Visibility 30 km
    Overcast 17:00 Overcast 1° Overcast
    Feels Like -2°
    Moderate southwest wind Southwest 15 - 31 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast 1° Overcast
    Feels Like -2°
    Moderate southwest wind Southwest 15 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1029 hPa
    • Snowline Snowline 1312 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Visibility Visibility 16 km
    18:00 Overcast 1° Overcast
    Feels Like -3°
    Moderate southwest wind Southwest 14 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 86%
    • 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 984 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 8 km
    19:00 Snow with cloudy skies 30% 0.08 in 1° Snow
    Feels Like -3°
    Moderate southwest wind Southwest 14 - 26 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 -3 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1028 hPa
    • Snowline Snowline 984 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 7 km
    Rain and snow 20:00 Rain and snow with cloudy skies 30% 0.08 in 1° Rain and snow
    Feels Like -3°
    Moderate southwest wind Southwest 13 - 26 km/h
    		UV Index 0 Low SPF: no
    20:00 Snow with cloudy skies 30% 0.6 in 1° Snow
    Feels Like -3°
    Moderate southwest wind Southwest 13 - 26 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 -3 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 1969 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 6 km
    21:00 Rain and snow with cloudy skies 30% 0.08 in 1° Rain and snow
    Feels Like -3°
    Moderate south wind South 12 - 24 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.08 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 12 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 7 km
    22:00 Rain and snow with cloudy skies 40% 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 40% 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 1025 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 9 km
    Overcast 23:00 Overcast 1° Overcast
    Feels Like -2°
    Moderate south wind South 9 - 21 km/h
    		UV Index 0 Low SPF: no
    23:00 Rain and snow with cloudy skies 40% 0.2 mm 1° Rain and snow
    Feels Like -2°
    Moderate south wind South 9 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 86%
    • 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 9 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 12 km
    24:00 Rain and snow with cloudy skies 30% 0.04 in 1° Rain and snow
    Feels Like -2°
    Gentle south wind South 8 - 17 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.04 in
    • Humidity Humidity 85%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 2625 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Visibility Visibility 9 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

    Remaining daylight 5h 36m

    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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