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Canada weather

10 day weather forecast for St. Catharines

Wednesday, 3rd June 2026, at 23:14
today
Sunny
30° 11°
tomorrow
Sunny
21° 13°
Friday
Patchy rain possible
22° 14°
Saturday
Moderate rain
19° 15°
Sunday
Partly cloudy
18° 13°
Monday
Sunny
20° 12°
Tuesday
Sunny
19° 13°
 More Details See
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St. Catharines Weather Pages

St. Catharines weather forecast

The weather forecast for St.

Catharines for today indicates very wet conditions with temperatures around 30 °C.

Rain is expected from Friday until Saturday.

Wind speeds are expected to be breezy, averaging around 18 km/h.

On Thursday, a notable cooling trend with temperatures reaching 21°C.

Weather today
St. Catharines weather forecast

St. Catharines 14 days weather forecast

This weeks weather in St. Catharines. Click on a date for detailed forecasts
Wed. 3
30°
11°
Sunny
0 mm
Thu. 4
21°
13°
Sunny
0 mm
Fri. 5
22°
14°
Patchy rain possible
0.3 mm
Sat. 6
19°
15°
Moderate rain
11.7 mm
Sun. 7
18°
13°
Partly cloudy
0.1 mm
Mon. 8
20°
12°
Sunny
0 mm
Tue. 9
19°
13°
Sunny
0 mm
Wed. 10
20°
14°
Partly cloudy
0 mm
Thu. 11
22°
16°
Partly cloudy
0 mm
Fri. 12
21°
16°
Sunny
0 mm
Sat. 13
25°
16°
Patchy rain possible
0.6 mm
Sun. 14
25°
19°
Cloudy
0.1 mm
Mon. 15
23°
18°
Sunny
0 mm
Tue. 16
22°
16°
Sunny
0 mm
Further Ahead
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Access St. Catharines weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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St. Catharines long range weather forecast

30 day weather forecast for St. Catharines
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
19°
2
Overcast
23°
3
Sunny
30°
4
Sunny
21°
5
Patchy rain possible
22°
6
Moderate rain
19°
7
Partly cloudy
18°
8
Sunny
20°
9
Sunny
19°
10
Partly cloudy
20°
11
Partly cloudy
22°
12
Sunny
21°
13
Patchy rain possible
25°
14
Cloudy
25°
15
Sunny
23°
16
Sunny
22°
17
Sunny
25°
18
Sunny
26°
19
Sunny
24°
20
Thundery outbreaks possible
24°
21
Sunny
23°
22
Partly cloudy
26°
23
Moderate or heavy rain shower
25°
24
Patchy rain possible
26°
25
Overcast
25°
26
Heavy rain at times
22°
27
Patchy rain possible
22°
28
Patchy rain possible
23°
29
Overcast
24°
30
Patchy rain possible
25°
Important Notice
Our St. Catharines long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in St. Catharines

The chart displays the expected rainfall values (in mm) over the next 14 days in St. Catharines, highlighting variations in precipitation levels for specific dates. ☔

St. Catharines Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in St. Catharines over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is St. Catharines?

Get accurate weather forecasts for St. Catharines, located at latitude 43.171 and longitude -79.243. Stay updated with localized weather information tailored for St. Catharines.

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