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St. Catharines, ON weather radar & alerts

ONTARIO · 43.16°N 79.25°W · UPDATED 6:00 PM EST
40°4° Cloudy Feels like 33°1°
L 34°1°
WindNW 10 mph16 km/h
Humidity57%
Rain30%
Gusts17 mph28 km/h
Pressure29.85 in101.1 kPa
Sunset4:55 PM
Now 40°4° 30%
8PM 37°3° 10%
9PM 37°3° 10%
10PM 37°3° 10%
11PM 37°3° 10%
12AM 37°3° 10%

St. Catharines radar

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Past 60 min

7-day forecast for St. Catharines

Today Chance of rain showers or flurries 34°1°
Sat Chance of rain showers or flurries 43°6° 37°3°
Sun A mix of sun and cloud 39°4° 37°3°
Mon Sunny 43°6° 39°4°
Tue Sunny 48°9° 39°4°
Wed Sunny 52°11° 39°4°
Thu Sunny 52°11° —

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.
Tropics near St. Catharines
No active tropical storms or hurricanes.
Hurricane tracker
Earthquakes within 250 mi400 km
No M2.5+ earthquakes near St. Catharines in the last 7 days.
Fire detections within 250 mi400 km 33 satellite detections Nearest 38 mi61 km W, near Hamilton, ON · 15 h ago Fire map

News radio for St. Catharines

All stations
CBC Radio 1 Toronto Public radio · AAC 48k This station plays in the app
CFIQ 640 Global News Radio Toronto, ON News · MP3 128k This station plays in the app
CBC Radio 1 Toronto 99.1 FM Public radio · UNKNOWN This station plays in the app
CBC Radio 1 Ottawa News · UNKNOWN This station plays in the app
CBC Radio One - Ottawa, ON Public radio · MP3 128k This station plays in the app
CFRA News Talk Radio 580 Ottawa, ON News · AAC+ 40k This station plays in the app
CFTR City News 680 Toronto, ON News · AAC+ 47k This station plays in the app
CKOF FM 104.7 Outaouais Gatineau, QC News · UNKNOWN This station plays in the app
21 more stations 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
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