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

Mostly Cloudy

Mostly Cloudy

27°C

Wind:
NNW 9 km/h
Humidex:
36
More details
Temperature:
27.0°C
Pressure:
101.3 kPa
Dew point:
21.6°C
Visibility:
24 km
Humidity:
72%
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
Today
27°C
Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 27. Humidex 34. UV index 8 or very high.
Clear
Tonight
17°C
Clear. Low 17.
Showers
Wed, 5 Jun
27°C
Becoming cloudy in the morning with showers. Risk of a thunderstorm in the afternoon. Wind becoming south 20 km/h gusting to 40 in the morning then light in the afternoon. High 27. Humidex 34. UV index 5 or moderate.
Night:Showers. Low 17.
Chance of showers
Thu, 6 Jun
23°C
A mix of sun and cloud with 30 percent chance of showers. High 23.
Night:Cloudy periods with 30 percent chance of showers. Low 15.
Chance of showers
Fri, 7 Jun
17°C
Cloudy with 40 percent chance of showers. High 17.
Night:Cloudy with 30 percent chance of showers. Low 13.
Chance of showers
Sat, 8 Jun
17°C
Cloudy with 30 percent chance of showers. High 17.
Night:Cloudy with 30 percent chance of showers. Low 13.
Chance of showers
Sun, 9 Jun
18°C
Cloudy with 30 percent chance of showers. High 18.
Night:Cloudy periods. Low 13.
A mix of sun and cloud
Mon, 10 Jun
20°C
A mix of sun and cloud. High 20.
Normals:
Max22°C.Min13°C.
Sunrise:
5:38 EDT
Sunset:
20:53 EDT

Averages and extremes

04 Jun
Average high
  • 22.7°C
Average low
  • 11.5°C
Highest temperature (1972-2000)
  • 28.3°C
  • 1984
Lowest temperature (1972-2000)
  • 4.1°C
  • 1998
Greatest precipitation (1972-2000)
  • 11.9 mm
  • 1972
Greatest rainfall (1972-2000)
  • 11.9 mm
  • 1972
Greatest snowfall (1972-2000)
  • 0.0 cm
Most snow on the ground (1972-2000)
  • 0.0 cm
Monthly frequency of precipitation
  • 36%

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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