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Canada weather

10 day weather forecast for St. Catharines

Sunday, 15th March 2026, at 21:41
today
Wind Advisory
Patchy rain possible
17° -2°
tomorrow
Wind Advisory
Moderate rain
14° -3°
Tuesday
Moderate or heavy snow showers
-4° -8°
Wednesday
Overcast
2° -5°
Thursday
Patchy rain possible
4° -1°
Friday
Patchy rain possible
3° 1°
Saturday
Light freezing rain
1° -3°
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St. Catharines Weather Pages

St. Catharines weather forecast

The weather forecast for St.

Catharines over the next 2 days indicates chilly conditions with temperatures ranging from 14 °C to 17 °C.

Snow is expected on Thursday,.

Wind speeds are expected to be strong, averaging around 52 km/h.

On Tuesday, a notable cooling trend with temperatures reaching -4°C, and moderate rain with a 80% chance, accumulating about 6.67mm.

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
Sun. 15
17°
-2°
Weather Alert
Patchy rain possible
1.3 mm
Mon. 16
14°
-3°
Weather Alert
Moderate rain
6.6 mm
Tue. 17
-4°
-8°
Moderate or heavy snow showers
6.7 mm
Wed. 18
2°
-5°
Overcast
0 mm
Thu. 19
4°
-1°
Patchy rain possible
0.4 cm
Fri. 20
3°
1°
Patchy rain possible
2.2 cm
Sat. 21
1°
-3°
Light freezing rain
0.4 mm
Sun. 22
3°
-1°
Patchy rain possible
0 cm
Mon. 23
-2°
-4°
Light snow
0 cm
Tue. 24
0°
-5°
Sunny
0 mm
Wed. 25
4°
-1°
Light freezing rain
0.2 cm
Thu. 26
7°
1°
Moderate rain
17.4 mm
Fri. 27
6°
2°
Partly cloudy
0 mm
Sat. 28
4°
1°
Partly cloudy
0 mm
Further Ahead
Select a date

You can click on date

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 snow forecast ☃️

A total of 2.76 cm of snow is expected in St. Catharines over the next two weeks

St. Catharines long range weather forecast

30 day weather forecast for St. Catharines
February
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
2°
2
Cloudy
1°
3
Blizzard
3°
4
Heavy snow
6°
5
Light snow
7°
6
Moderate snow
5°
7
Blizzard
6°
8
Overcast
5°
9
Overcast
8°
10
Blizzard
6°
11
Overcast
8°
12
Overcast
5°
13
Overcast
6°
14
Heavy snow
5°
15
Weather Alert Patchy rain possible
17°
16
Weather Alert Moderate rain
14°
17
Moderate or heavy snow showers
-4°
18
Overcast
2°
19
Patchy rain possible
4°
20
Patchy rain possible
3°
21
Light freezing rain
1°
22
Patchy rain possible
3°
23
Light snow
-2°
24
Sunny
0°
25
Light freezing rain
4°
26
Moderate rain
7°
27
Partly cloudy
6°
28
Partly cloudy
4°
29
Blizzard
8°
30
Light snow showers
7°
31
Overcast
10°
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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