St. Catharines, ON Weather

    23:00 Friday
    Clear
    Clear skies
    12° Feels like 12°
    Moderate north wind North 24 - 47 km/h
    reloj Hourly Clear skies for the next few hours
    • Today 29 May Clear 22° / 11° Strong north wind 28 - 52 km/h
    • Tomorrow 30 May Clear 18° / 9° Moderate north wind 21 - 43 km/h
    • Sunday 31 May Scattered clouds 22° / 11° Moderate west wind 15 - 33 km/h
    • Monday 1 June Clear 20° / 11° Moderate north wind 13 - 31 km/h
    • Tuesday 2 June Scattered clouds 22° / 11° Moderate northwest wind 14 - 27 km/h
    • Wednesday 3 June Clear 21° / 12° Moderate north wind 13 - 32 km/h
    • Thursday 4 June Scattered clouds 25° / 13° Moderate southwest wind 20 - 39 km/h

    Weather Forecast for St. Catharines, ON Today

    , 29 May

    Tomorrow

    , 30 May
    17:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Moderate west wind West 24 - 45 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 23%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Snowline Snowline 11483 ft
    18:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Moderate west wind West 22 - 44 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point 11 °C
    • Clouds Clouds 34%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 11155 ft
    19:00 Scattered clouds 20° Scattered clouds
    Feels Like 20°
    Moderate west wind West 23 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 22%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 10827 ft
    20:00 Clear 19° Sunny
    Feels Like 19°
    Moderate west wind West 24 - 42 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 10499 ft
    21:00 Clear 18° Sunny
    Feels Like 18°
    Moderate northwest wind Northwest 24 - 42 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 10499 ft
    22:00 Clear skies 15° Clear
    Feels Like 15°
    Strong north wind North 28 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 28 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 9843 ft
    23:00 Clear skies 13° Clear
    Feels Like 13°
    Strong north wind North 24 - 50 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 50 km/h
    • Snowline Snowline 8858 ft
    24:00 Clear skies 12° Clear
    Feels Like 12°
    Moderate north wind North 24 - 47 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 47 km/h
    • Snowline Snowline 8858 ft

    Air quality in St. Catharines today

    Detail
    35
    Fair O₃ (86 µg/m³)

    Sunrise and Sunset

    Sunrise 05:41 Sunset 20:47
    First light 05:07 Midday 13:14 Last light 21:22
    Day length 15h 6m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    29 Full Moon
    30 Full Moon
    31 Full Moon
    1 Full Moon
    2 Last Quarter
    3 Last Quarter
    4 Last Quarter
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter

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

    • Avg. Temp.
      Avg. Temp.: 14 °C Max.: 33 °C Min: -2 °C
    • Rainy Days
      Rainy Days: 14 days
    • Accumulated Rainfall
      Accumulated Rainfall: 116 mm
    • Average Wind Speed
      Average Wind Speed: 10 km/h

    Weather graphs

    Maximum Minimum Rainfall

    Videos

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