St. Catharines, ON Weather

    02:00 Tuesday
    Scattered clouds
    Scattered clouds
    24° Feels like 25°
    New Moon New Moon Illuminated: 0%
    reloj Hourly Cloudy intervals for the next few hours
    • Today 14 July Scattered clouds 33° / 24° Moderate southwest wind 25 - 48 km/h
    • Tomorrow 15 July Scattered clouds 34° / 25° Moderate west wind 19 - 37 km/h
    • Thursday 16 July Partly cloudy 31° / 23° Moderate west wind 20 - 39 km/h
    • Friday 17 July Scattered clouds 28° / 21° Moderate northeast wind 15 - 34 km/h
    • Saturday 18 July Light rain with partly cloudy skies 80% 0.8 mm 29° / 22° Moderate north wind 11 - 30 km/h
    • Sunday 19 July Thunderstorm with partly cloudy skies 70% 3.9 mm 30° / 21° Moderate northwest wind 13 - 34 km/h
    • Monday 20 July Thunderstorm with partly cloudy skies 60% 2.1 mm 28° / 23° Strong southwest wind 27 - 55 km/h

    Weather Forecast for St. Catharines, ON Today

    , 14 July

    Today in St. Catharines we will see scattered clouds throughout the day. This morning temperatures will be around 28°C and in the afternoon around 31°C. During the night, temperatures will be close to 27°C. Winds from the Southwest today with an average speed of 25 km/h.

    Tomorrow

    , 15 July
    03:00 Scattered clouds 24° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 19 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 20 °C
    • Clouds Clouds 30%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 15748 ft
    04:00 Scattered clouds 24° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 19 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 20 °C
    • Clouds Clouds 27%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 16076 ft
    05:00 Scattered clouds 24° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 19 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 19 °C
    • Clouds Clouds 43%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 16076 ft
    06:00 Scattered clouds 24° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 18 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 74%
    • Dew Point Dew Point 19 °C
    • Clouds Clouds 39%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 16076 ft
    07:00 Scattered clouds 25° Scattered clouds
    Feels Like 25°
    Moderate southwest wind Southwest 18 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 19 °C
    • Clouds Clouds 35%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 16404 ft
    Scattered clouds 08:00 Scattered clouds 26° Scattered clouds
    Feels Like 27°
    Moderate southwest wind Southwest 16 - 31 km/h
    		UV Index 1 Low SPF: no
    08:00 Scattered clouds 26° Scattered clouds
    Feels Like 27°
    Moderate southwest wind Southwest 16 - 31 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point 20 °C
    • Clouds Clouds 33%
    • Feels Like Feels Like 27 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 16404 ft
    09:00 Scattered clouds 27° Scattered clouds
    Feels Like 29°
    Moderate southwest wind Southwest 17 - 33 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 20 °C
    • Clouds Clouds 32%
    • Feels Like Feels Like 29 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 16404 ft
    10:00 Scattered clouds 29° Scattered clouds
    Feels Like 31°
    Moderate southwest wind Southwest 19 - 38 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 31%
    • Feels Like Feels Like 31 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 16404 ft
    Scattered clouds 11:00 Scattered clouds 31° Scattered clouds
    Feels Like 33°
    Moderate southwest wind Southwest 21 - 42 km/h
    		UV Index 6 High SPF: 15-25
    11:00 Scattered clouds 31° Scattered clouds
    Feels Like 33°
    Moderate southwest wind Southwest 21 - 42 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 21%
    • Feels Like Feels Like 33 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 16404 ft
    12:00 Clear 32° Sunny
    Feels Like 35°
    Moderate southwest wind Southwest 22 - 44 km/h
    		UV Index 8 Very High! SPF: 25-50
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 35 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 16404 ft
    13:00 Scattered clouds 33° Scattered clouds
    Feels Like 36°
    Moderate southwest wind Southwest 22 - 45 km/h
    		UV Index 9 Very High! SPF: 25-50
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 13%
    • Feels Like Feels Like 36 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Snowline Snowline 16076 ft
    Scattered clouds 14:00 Scattered clouds 33° Scattered clouds
    Feels Like 37°
    Moderate southwest wind Southwest 23 - 47 km/h
    		UV Index 9 Very High! SPF: 25-50
    14:00 Scattered clouds 33° Scattered clouds
    Feels Like 37°
    Moderate southwest wind Southwest 23 - 47 km/h
    		UV Index 9 Very High! SPF: 25-50
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 21%
    • Feels Like Feels Like 37 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 47 km/h
    • Snowline Snowline 16076 ft
    15:00 Scattered clouds 33° Scattered clouds
    Feels Like 37°
    Moderate southwest wind Southwest 24 - 48 km/h
    		UV Index 7 High SPF: 15-25
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 27%
    • Feels Like Feels Like 37 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Snowline Snowline 16076 ft
    16:00 Clear 33° Sunny
    Feels Like 37°
    Moderate southwest wind Southwest 23 - 48 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 5%
    • Feels Like Feels Like 37 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Snowline Snowline 16076 ft
    Scattered clouds 17:00 Scattered clouds 32° Scattered clouds
    Feels Like 36°
    Moderate southwest wind Southwest 25 - 48 km/h
    		UV Index 3 Moderate SPF: 6-10
    17:00 Scattered clouds 32° Scattered clouds
    Feels Like 36°
    Moderate southwest wind Southwest 25 - 48 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 19%
    • Feels Like Feels Like 36 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Snowline Snowline 16404 ft
    18:00 Scattered clouds 31° Scattered clouds
    Feels Like 35°
    Moderate southwest wind Southwest 23 - 48 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 31%
    • Feels Like Feels Like 35 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Snowline Snowline 16732 ft
    19:00 Scattered clouds 30° Scattered clouds
    Feels Like 34°
    Moderate southwest wind Southwest 21 - 44 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 32%
    • Feels Like Feels Like 34 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 16732 ft
    Scattered clouds 20:00 Scattered clouds 29° Scattered clouds
    Feels Like 32°
    Moderate southwest wind Southwest 19 - 40 km/h
    		UV Index 0 Low SPF: no
    20:00 Scattered clouds 29° Scattered clouds
    Feels Like 32°
    Moderate southwest wind Southwest 19 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 30%
    • Feels Like Feels Like 32 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 16732 ft
    21:00 Scattered clouds 28° Scattered clouds
    Feels Like 31°
    Moderate southwest wind Southwest 20 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 26%
    • Feels Like Feels Like 31 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 16732 ft
    22:00 Clear skies 27° Clear
    Feels Like 30°
    Moderate southwest wind Southwest 18 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 30 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 16732 ft
    Scattered clouds 23:00 Scattered clouds 27° Scattered clouds
    Feels Like 29°
    Moderate southwest wind Southwest 19 - 34 km/h
    		UV Index 0 Low SPF: no
    23:00 Scattered clouds 27° Scattered clouds
    Feels Like 29°
    Moderate southwest wind Southwest 19 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 25%
    • Feels Like Feels Like 29 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 16404 ft
    24:00 Clear skies 27° Clear
    Feels Like 29°
    Moderate southwest wind Southwest 19 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 29 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 16404 ft

    Air quality in St. Catharines today

    Detail
    61
    Unhealthy O₃ (161 µg/m³)

    Sunrise and Sunset

    Sunrise 05:50 Sunset 20:55
    First light 05:15 Midday 13:22 Last light 21:29
    Day length 15h 5m

    Time remaining until sunrise 2h 51m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    14 New Moon
    15 New Moon
    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 First Quarter
    26 First Quarter
    27 First Quarter

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

    • Avg. Temp.
      Avg. Temp.: 22 °C Max.: 25 °C Min: 20 °C
    • Rainy Days
      Rainy Days: 12 days
    • Accumulated Rainfall
      Accumulated Rainfall: 91 mm
    • Average Wind Speed
      Average Wind Speed: 12 km/h

    Weather graphs

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