St. Catharines, ON - 7 Day Forecast - Environment Canada

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St. Catharines, ON

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Current ConditionsObserved at: St. Catharines / Niagara District Airport

10°C

Wind:
E 8 km/h
More details
Temperature:
10.1°C
Pressure:
100.5 kPa
Dew point:
10.0°C
Humidity:
99%
Date:
Observed at:
St. Catharines / Niagara District Airport
Past 24 hour Conditions
Weather Radar
Satellite
Lightning
Alerts
Jet Stream
Hourly Forecast
Air Quality
Historical Weather

ForecastForecast issued:

Detailed ForecastForecast issued:

Chance of showers
Tonight
9°C
A few showers ending near midnight then cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Low 9.
Chance of showers
Sun, 12 May
18°C
Cloudy. 30 percent chance of showers early in the morning. High 18. UV index 5 or moderate.
Night:Partly cloudy. Clearing after midnight. Low 10.
Showers
Mon, 13 May
15°C
Showers. High 15.
Night:Cloudy with 40 percent chance of showers. Low 12.
Chance of showers
Tue, 14 May
14°C
Cloudy with 60 percent chance of showers. High 14.
Night:Cloudy. Low 12.
Sunny
Wed, 15 May
17°C
Sunny. High 17.
Night:Clear. Low 10.
A mix of sun and cloud
Thu, 16 May
19°C
A mix of sun and cloud. High 19.
Night:Cloudy. Low 12.
A mix of sun and cloud
Fri, 17 May
20°C
A mix of sun and cloud. High 20.
Normals:
Max18°C.Min8°C.
Sunrise:
5:56 EDT
Sunset:
20:32 EDT

Averages and extremes

12 May
Average high
  • 18.6°C
Average low
  • 7.1°C
Highest temperature (1972-2000)
  • 29.2°C
  • 1991
Lowest temperature (1972-2000)
  • 1.7°C
  • 1972
Greatest precipitation (1972-2000)
  • 34.6 mm
  • 2000
Greatest rainfall (1972-2000)
  • 34.6 mm
  • 2000
Greatest snowfall (1972-2000)
  • 0.0 cm
Most snow on the ground (1972-2000)
  • 0.0 cm
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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