St. Catharines
10 day weather forecast for St. Catharines
Monday, 20th July 2026, at 10:30
today
29° 14°
tomorrow
26° 20°
Wednesday
21° 16°
Thursday
24° 14°
Friday
25° 17°
Saturday
22° 17°
Sunday
26° 17°
Seemore
St. Catharines Weather Pages
St. Catharines weather forecast
The weather forecast for St.
Catharines over the next 2 days indicates warm conditions with temperatures ranging from 26 °C to 29 °C.
Rain is expected from Tuesday until Wednesday.
Wind speeds are expected to be breezy, averaging around 18 km/h.
On Wednesday, expect a change in weather with temperatures reaching 21°C, and light showers with a 58% chance.
St. Catharines 14 days weather forecast
This weeks weather in St. Catharines. Click on a date for detailed forecasts
Mon. 20
29°
14°
0 mm
Tue. 21
26°
20°
6.1 mm
Wed. 22
21°
16°
1 mm
Thu. 23
24°
14°
0 mm
Fri. 24
25°
17°
0 mm
Sat. 25
22°
17°
0 mm
Sun. 26
26°
17°
0 mm
Mon. 27
27°
20°
0.9 mm
Tue. 28
29°
21°
0.5 mm
Wed. 29
27°
21°
0.7 mm
Thu. 30
26°
20°
0.8 mm
Fri. 31
23°
17°
0.3 mm
Sat. 1
23°
18°
0 mm
Sun. 2
25°
18°
0 mm
Further Ahead
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.
St. Catharines long range weather forecast
30 day weather forecast for St. Catharines
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. 🌀
Frequently asked questions about the weather in St. Catharines
How warm is it in St. Catharines over the next 14 days?
Over the next two weeks, temperatures in St. Catharines are expected to range from around 14 °C on the coldest nights up to about 29 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in St. Catharines in the next two weeks?
Yes - rain is expected on about 8 of the next 14 days in St. Catharines, with roughly 10.2 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in St. Catharines?
Maximum wind speeds in St. Catharines are forecast to reach about 40 km/h at their peak over the next 14 days.
When is the best time to visit St. Catharines?
For a month-by-month look at temperatures and rainfall, see our best time to visit St. Catharines guide.
How accurate is the 14-day forecast for St. Catharines?
Our St. Catharines forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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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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