St. Catharines, ON weather radar & alerts
ONTARIO · 43.16°N 79.25°W · UPDATED 6:00 PM ESTL 34°1°
St. Catharines radar
Open full radar7-day forecast for St. Catharines
Detailed forecast
Forecast text by Environment Canada- Tonight
- Cloudy. 30 percent chance of rain showers or flurries early this evening. 30 percent chance of flurries or rain showers overnight. Wind northwest 20 km/h. Low plus 1.
- Saturday
- Cloudy. 30 percent chance of flurries or rain showers changing to 60 percent chance of rain showers in the morning. Wind northwest 30 km/h gusting to 50. High 6. UV index 1 or low.
- Saturday night
- Cloudy. 60 percent chance of rain showers or flurries in the evening and after midnight. Wind northwest 30 km/h gusting to 50. Low plus 3.
- Sunday
- A mix of sun and cloud. High plus 4.
- Sunday night
- Clear. Low plus 3.
- Monday
- Sunny. High 6.
- Monday night
- Clear. Low plus 4.
- Tuesday
- Sunny. High 9.
- Tuesday night
- Clear. Low plus 4.
- Wednesday
- Sunny. High 11.
- Wednesday night
- Clear. Low plus 4.
- Thursday
- Sunny. High 11.
News radio for St. Catharines
All stations
CBC Radio 1 Toronto
Public radio · AAC 48k
This station plays in the app
CFTR City News 680 Toronto, ON
News · AAC+ 47k
This station plays in the app
About St. Catharines weather today
St. Catharines is cloudy at 40°F with a northwest wind of 10 mph. No weather alerts are in effect right now. The forecast calls for chance of rain showers or flurries today. Highs this week range from 39°F to 52°F. Warnings for St. Catharines are issued by Environment Canada.
St. Catharines is cloudy at 4°C with a northwest wind of 16 km/h. No weather alerts are in effect right now. The forecast calls for chance of rain showers or flurries today. Highs this week range from 4°C to 11°C. Warnings for St. Catharines are issued by Environment Canada.
Frequently asked
Is there a weather alert in St. Catharines right now?
No. There are no active weather alerts for St. Catharines right now. This list updates every minute from Environment and Climate Change Canada.
No. There are no active weather alerts for St. Catharines right now. This list updates every minute from Environment and Climate Change Canada.
Will it rain in St. Catharines this week?
The forecast calls for chance of rain showers or flurries today.
The forecast calls for chance of rain showers or flurries today.
Is a hurricane heading toward St. Catharines?
No. The National Hurricane Center is not tracking any tropical storm or hurricane right now.
No. The National Hurricane Center is not tracking any tropical storm or hurricane right now.
St. Catharines at a glance
- Forecast region
- St. Catharines - Grimsby - Northern Niagara Region
- Province
- Ontario
- Time zone
- Eastern (EST)
- Sunrise / sunset
- 7:07 AM / 4:55 PM