Weather in St. Catharines, Canada 🇨🇦
Right now St. Catharines is 21°C with partly cloudy, feeling like 18°C. The air is at 59% humidity and winds are about 17 km/h, and the UV index is 2 (low). Over the next few days, temperatures in St. Catharines range from about 9°C to 21°C.
Hourly Forecast for St. Catharines
14-Day Forecast for St. Catharines
Cloudy
Overcast
Patchy rain nearby
Patchy rain nearby
Sunny
Partly Cloudy
Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Sunny
Sunny
Sunny
Partly Cloudy
Additional Forecasts for St. Catharines
Air Quality
Historical Weather
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Best Time to Be Outside in St. Catharines Tomorrow
There is no good daylight window left in St. Catharines today. Tomorrow, the most comfortable window looks like 07:00 to 10:00, when it is around 15°C. It should stay dry through that window. The next likely rain is around 01:00.
Frequently Asked Questions about Weather in St. Catharines
What is the temperature in St. Catharines right now?
The current temperature in St. Catharines is 21°C (69°F), partly cloudy (feels like 18°C).
What's the weather like in St. Catharines right now?
Conditions in St. Catharines right now: Partly Cloudy, humidity 59%, wind 17 km/h SSW.
What is today's forecast for St. Catharines?
Today in St. Catharines: high 21°C, low 16°C, cloudy. Chance of rain: 44%.
What is the 7-day weather forecast for St. Catharines?
Daily highs and lows for St. Catharines:
- 2026-11-04: 21°C / 16°C
- 2026-11-05: 17°C / 14°C
- 2026-11-06: 15°C / 9°C
- 2026-11-07: 10°C / 8°C
- 2026-11-08: 13°C / 6°C
- 2026-11-09: 11°C / 8°C
- 2026-11-10: 13°C / 9°C
Is it going to rain in St. Catharines today?
There is a 44% chance of rain in St. Catharines today. Total expected precipitation: 0.5 mm.
What is the wind speed in St. Catharines right now?
Wind in St. Catharines is currently 17 km/h (10 mph) from the SSW.
What is the UV index in St. Catharines right now?
The UV index in St. Catharines is currently 2.2 (low). Sun protection is recommended when the index is 3 or higher.
