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St. Catharines, ON

Current Conditions

Mostly Cloudy

Mostly Cloudy

12°C54°F

Wind:
NW 10 km/h
NW 6 mph
More details
Temperature:
12.2°C
54.0° F
Pressure:
102.8 kPa
30.4 inches
Dew point:
6.5°C
43.7°F
Visibility:
24 km
15 miles
Humidity:
68%
Date:
11:00 AM EDT Monday 23 May 2022
Observed at:
St. Catharines / Niagara District Airport
Past 24 hour ConditionsPast 24 hour Conditions
Weather Radar
Satellite
Lightning
Alerts
Jet Stream
Hourly Forecast
Air Quality
Historical Weather

ForecastForecast issued: 11:00 AM EDT Monday 23 May 2022

Detailed ForecastForecast issued: 11:00 AM EDT Monday 23 May 2022

A mix of sun and cloud
Today
16°C61°F
A mix of sun and cloud. High 16. UV index 9 or very high.
A few clouds
Tonight
5°C41°F
Clear. Becoming partly cloudy overnight. Low plus 5.
Mainly sunny
Tue, 24 May
19°C66°F
Sunny. High 19. UV index 8 or very high.
Night:  Clear. Low 8.
A mix of sun and cloud
Wed, 25 May
18°C64°F
A mix of sun and cloud. High 18.
Night:  Cloudy periods with 40 percent chance of showers. Low 14.
Showers
Thu, 26 May
21°C70°F
Showers. High 21.
Night:  Showers. Low 15.
Chance of showers
Fri, 27 May
18°C64°F
Cloudy with 70 percent chance of showers. High 18.
Night:  Cloudy with 30 percent chance of showers. Low 12.
A mix of sun and cloud
Sat, 28 May
20°C68°F
A mix of sun and cloud. High 20.
Night:  Cloudy periods with 30 percent chance of showers. Low 13.
A mix of sun and cloud
Sun, 29 May
22°C72°F
A mix of sun and cloud. High 22.
Normals:
Max 21°C.70°F. Min 10°C.50°F.
Sunrise:
5:46 EDT
Sunset:
20:42 EDT

Averages and extremes

18 May
Average high
  • 19.9°C67.8°F
Average low
  • 8.2°C46.8°F
Highest temperature (1972-2000)
  • 29.8°C85.6°F
  • 1999
Lowest temperature (1972-2000)
  • 0.6°C33.1°F
  • 1981
Greatest precipitation (1972-2000)
  • 24.0 mm0.94 inches
  • 1986
Greatest rainfall (1972-2000)
  • 24.0 mm0.94 inches
  • 1986
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

19 May
Average high
  • 20.1°C68.2°F
Average low
  • 8.4°C47.1°F
Highest temperature (1972-2000)
  • 30.5°C86.9°F
  • 1996
Lowest temperature (1972-2000)
  • 1.1°C34.0°F
  • 1973
Greatest precipitation (1972-2000)
  • 44.2 mm1.74 inches
  • 1986
Greatest rainfall (1972-2000)
  • 44.2 mm1.74 inches
  • 1986
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

20 May
Average high
  • 20.3°C68.5°F
Average low
  • 8.6°C47.5°F
Highest temperature (1972-2000)
  • 29.9°C85.8°F
  • 1977
Lowest temperature (1972-2000)
  • 2.2°C36.0°F
  • 1993
Greatest precipitation (1972-2000)
  • 18.2 mm0.72 inches
  • 1996
Greatest rainfall (1972-2000)
  • 18.2 mm0.72 inches
  • 1996
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

21 May
Average high
  • 20.5°C68.9°F
Average low
  • 8.8°C47.8°F
Highest temperature (1972-2000)
  • 32.1°C89.8°F
  • 1977
Lowest temperature (1972-2000)
  • 3.7°C38.7°F
  • 1993
Greatest precipitation (1972-2000)
  • 37.2 mm1.46 inches
  • 1996
Greatest rainfall (1972-2000)
  • 37.2 mm1.46 inches
  • 1996
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

22 May
Average high
  • 20.7°C69.3°F
Average low
  • 9.0°C48.2°F
Highest temperature (1972-2000)
  • 30.2°C86.4°F
  • 1977
Lowest temperature (1972-2000)
  • 2.5°C36.5°F
  • 1990
Greatest precipitation (1972-2000)
  • 13.0 mm0.51 inches
  • 1987
Greatest rainfall (1972-2000)
  • 13.0 mm0.51 inches
  • 1987
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

23 May
Average high
  • 20.8°C69.4°F
Average low
  • 9.2°C48.6°F
Highest temperature (1972-2000)
  • 30.6°C87.1°F
  • 1991
Lowest temperature (1972-2000)
  • 3.3°C37.9°F
  • 1976
Greatest precipitation (1972-2000)
  • 26.6 mm1.05 inches
  • 1984
Greatest rainfall (1972-2000)
  • 26.6 mm1.05 inches
  • 1984
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

24 May
Average high
  • 21.0°C69.8°F
Average low
  • 9.4°C48.9°F
Highest temperature (1972-2000)
  • 29.1°C84.4°F
  • 1977
Lowest temperature (1972-2000)
  • 4.0°C39.2°F
  • 1992
Greatest precipitation (1972-2000)
  • 18.0 mm0.71 inches
  • 1999
Greatest rainfall (1972-2000)
  • 18.0 mm0.71 inches
  • 1999
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

25 May
Average high
  • 21.2°C70.2°F
Average low
  • 9.6°C49.3°F
Highest temperature (1972-2000)
  • 27.7°C81.9°F
  • 1978
Lowest temperature (1972-2000)
  • 2.7°C36.9°F
  • 1992
Greatest precipitation (1972-2000)
  • 33.1 mm1.3 inches
  • 1979
Greatest rainfall (1972-2000)
  • 33.1 mm1.3 inches
  • 1979
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

26 May
Average high
  • 21.4°C70.5°F
Average low
  • 9.8°C49.6°F
Highest temperature (1972-2000)
  • 29.4°C84.9°F
  • 1978
Lowest temperature (1972-2000)
  • 3.5°C38.3°F
  • 1994
Greatest precipitation (1972-2000)
  • 23.2 mm0.91 inches
  • 1994
Greatest rainfall (1972-2000)
  • 23.2 mm0.91 inches
  • 1994
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

27 May
Average high
  • 21.5°C70.7°F
Average low
  • 9.9°C49.8°F
Highest temperature (1972-2000)
  • 29.4°C84.9°F
  • 1987
Lowest temperature (1972-2000)
  • 1.9°C35.4°F
  • 1994
Greatest precipitation (1972-2000)
  • 10.7 mm0.42 inches
  • 1981
Greatest rainfall (1972-2000)
  • 10.7 mm0.42 inches
  • 1981
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

28 May
Average high
  • 21.7°C71.1°F
Average low
  • 10.1°C50.2°F
Highest temperature (1972-2000)
  • 31.4°C88.5°F
  • 1977
Lowest temperature (1972-2000)
  • 3.7°C38.7°F
  • 1989
Greatest precipitation (1972-2000)
  • 10.0 mm0.39 inches
  • 1984
Greatest rainfall (1972-2000)
  • 10.0 mm0.39 inches
  • 1984
Greatest snowfall (1972-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1972-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 37 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

Yesterday's Data

No data available for this location

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