St. Catharines, Ontario Weather

Current Conditions


Wind: From the S at 30 km/h

Pressure: 99.7 kPa

Humidity: 82%

Observed at: 1:00 am EST


Chance of showers

Overnight low:

Partly cloudy with 40 percent chance of showers this evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm overnight. Wind south 20 km/h. Low 10.


Chance of showers


Cloudy with 40 percent chance of rain showers in the morning and early in the afternoon. Rain showers beginning early in the afternoon then changing to flurries or ice pellets late in the afternoon. Risk of a thunderstorm in the morning and early in the afternoon. Wind southwest 30 km/h gusting to 50 becoming northwest 40 gusting to 60 in the afternoon. High 14 with temperature falling to minus 1 in the afternoon. UV index 2 or low.

Wednesday Night


Overnight low:

Wind Chill:

A few flurries ending near midnight then mainly cloudy with 40 percent chance of flurries. Local blowing snow in the evening. Local amount 2 cm. Wind northwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 overnight. Low minus 5. Wind chill near minus 14.