Observed at: St. Catharines Airport
Date: 12:00 PM EDT Thursday 27 July 2017
Mostly Cloudy
Mostly Cloudy
Temperature: 21.7°C
Humidex: 29
Wind: S 5 km/h
Humidity: 87%
Dew point: 19.4°C
Pressure: 101.3 kPa
Tendency: Falling
Visibility: 19 km
Sunrise: 6:02 EDT
Sunset: 20:45 EDT
Normals:
Max 27°C. Min 17°C.
 Extended Forecast - Environment Canada
Thursday
Chance of showers (40%)
Chance of showers
Max: 26°C
Friday
A mix of sun and cloud
A mix of sun and cloud
Max: 22°C
Saturday
Sunny
Sunny
Max: 24°C
Sunday
Sunny
Sunny
Max: 28°C
Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 30°C
Tuesday
Chance of showers (30%)
Chance of showers
Max: 28°C
Wednesday
Sunny
Sunny
Max: 27°C
Tonight
Chance of showers (30%)
Chance of showers
Min: 17°C
Friday Night
Cloudy periods
Cloudy periods
Min: 14°C
Saturday Night
Clear
Clear
Min: 14°C
Sunday Night
Clear
Clear
Min: 17°C
Monday Night
Cloudy periods
Cloudy periods
Min: 18°C
Tuesday Night
Chance of showers (30%)
Chance of showers
Min: 19°C
 

Forecast

St. Catharines, ON (Issued: 11:00 AM EDT Thursday 27 July 2017)
Thursday
Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. High 26. Humidex 32. UV index 7 or high.
Thursday night
Partly cloudy. 30 percent chance of showers early this evening. Wind becoming northeast 20 km/h overnight. Low 17.
Friday
A mix of sun and cloud. Wind northeast 20 km/h gusting to 40. High 22. Humidex 25.
Friday night
Cloudy periods. Low 14.
Saturday
Sunny. High 24.
Saturday night
Clear. Low 14.
Sunday
Sunny. High 28.
Sunday night
Clear. Low 17.
Monday
A mix of sun and cloud. High 30.
Monday night
Cloudy periods. Low 18.
Tuesday
A mix of sun and cloud with 30 percent chance of showers. High 28.
Tuesday night
Cloudy periods with 30 percent chance of showers. Low 19.
Wednesday
Sunny. High 27.

Environment Canada