St. Catharines, ON Weather

    09:00 Monday
    Scattered clouds
    Scattered clouds
    17° Feels like 17°
    Moderate southwest wind Southwest 12 - 24 km/h
    reloj Hourly Cloudy intervals for the next few hours
    • Today 12 Oct. Mist More information 22° / 13° Moderate southwest wind 22 - 41 km/h
    • Tomorrow 13 Oct. Moderate rain with partly cloudy skies 90% 7.7 mm 23° / 18° Strong southwest wind 30 - 56 km/h
    • Wednesday 14 Oct. Light rain with partly cloudy skies 30% 0.1 mm 21° / 13° Moderate west wind 21 - 37 km/h
    • Thursday 15 Oct. Partly cloudy 14° / 10° Moderate northeast wind 14 - 26 km/h
    • Friday 16 Oct. Light rain with partly cloudy skies 90% 7.1 mm 15° / 9° Very strong northwest wind 38 - 86 km/h
    • Saturday 17 Oct. Light rain with partly cloudy skies 60% 0.3 mm 13° / 7° Strong northwest wind 30 - 62 km/h
    • Sunday 18 Oct. Scattered clouds 16° / 7° Moderate west wind 20 - 41 km/h

    Weather Forecast for St. Catharines, ON Today

    , 12 October

    Today in St. Catharines overcast during the morning, with average temperatures around 16°C. This afternoon we can expect scattered clouds and temperatures of around 20°C. During the night there will be scattered clouds with an average temperature of 18°C. Winds from the Southwest today with an average speed of 22 km/h.

    Tomorrow

    , 13 October
    10:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Moderate southwest wind Southwest 12 - 24 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 90%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 30%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 7 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 13123 ft
    11:00 High clouds 19° High clouds
    Feels Like 19°
    Moderate southwest wind Southwest 16 - 31 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 57%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 12795 ft
    12:00 Scattered clouds 20° Scattered clouds
    Feels Like 20°
    Moderate southwest wind Southwest 16 - 34 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 40%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 13123 ft
    13:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Moderate southwest wind Southwest 17 - 34 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 42%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 13123 ft
    14:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Moderate southwest wind Southwest 18 - 35 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 49%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 13123 ft
    15:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Moderate southwest wind Southwest 20 - 39 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 34%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 13123 ft
    16:00 Scattered clouds 20° Scattered clouds
    Feels Like 20°
    Moderate southwest wind Southwest 21 - 40 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 49%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 13123 ft
    Scattered clouds 17:00 Scattered clouds 20° Scattered clouds
    Feels Like 20°
    Moderate southwest wind Southwest 21 - 40 km/h
    		UV Index 1 Low SPF: no
    17:00 Scattered clouds 20° Scattered clouds
    Feels Like 20°
    Moderate southwest wind Southwest 21 - 40 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 13123 ft
    18:00 Scattered clouds 19° Scattered clouds
    Feels Like 19°
    Moderate southwest wind Southwest 22 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 53%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 13451 ft
    19:00 Scattered clouds 18° Scattered clouds
    Feels Like 18°
    Moderate southwest wind Southwest 17 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 17%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 13451 ft
    Scattered clouds 20:00 Scattered clouds 18° Scattered clouds
    Feels Like 18°
    Moderate southwest wind Southwest 16 - 30 km/h
    		UV Index 0 Low SPF: no
    20:00 Scattered clouds 18° Scattered clouds
    Feels Like 18°
    Moderate southwest wind Southwest 16 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 13%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 13451 ft
    21:00 Scattered clouds 18° Scattered clouds
    Feels Like 18°
    Moderate southwest wind Southwest 17 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 20%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 13451 ft
    22:00 Clear skies 18° Clear
    Feels Like 18°
    Moderate southwest wind Southwest 18 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 13451 ft
    Clear 23:00 Clear skies 18° Clear
    Feels Like 18°
    Moderate southwest wind Southwest 19 - 34 km/h
    		UV Index 0 Low SPF: no
    23:00 Scattered clouds 18° Scattered clouds
    Feels Like 18°
    Moderate southwest wind Southwest 19 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 13451 ft
    24:00 Scattered clouds 19° Scattered clouds
    Feels Like 19°
    Moderate southwest wind Southwest 19 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 20%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 13451 ft

    Air quality in St. Catharines today

    Detail
    31
    Fair O₃ (77 µg/m³)

    Sunrise and Sunset

    Sunrise 07:27 Sunset 18:38
    First light 06:58 Midday 13:03 Last light 19:07
    Day length 11h 12m

    Remaining daylight 9h 51m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    12 First Quarter
    13 First Quarter
    14 First Quarter
    15 First Quarter
    16 First Quarter
    17 First Quarter
    18 First Quarter
    19 First Quarter
    20 First Quarter
    21 First Quarter
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 Full Moon

    What is the weather like in St. Catharines, ON in October?

    • Avg. Temp.
      Avg. Temp.: 12 °C Max.: 15 °C Min: 10 °C
    • Rainy Days
      Rainy Days: 13 days
    • Accumulated Rainfall
      Accumulated Rainfall: 97 mm
    • Average Wind Speed
      Average Wind Speed: 17 km/h

    Weather graphs

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