Weather in St. Catharines, Canada 🇨🇦
Right now St. Catharines is 25°C with patchy rain nearby, feeling like 26°C. The air is at 81% humidity and winds are about 17 km/h, and the UV index is 0 (low). Over the next few days, temperatures in St. Catharines range from about 18°C to 30°C.
Hourly Forecast for St. Catharines
14-Day Forecast for St. Catharines
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Partly Cloudy
Patchy rain nearby
Sunny
Sunny
Sunny
Partly Cloudy
Partly Cloudy
Sunny
Additional Forecasts for St. Catharines
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Canada
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 09:00 to 12:00, when it is around 22°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in St. Catharines
What is the temperature in St. Catharines right now?
The current temperature in St. Catharines is 25°C (76°F), patchy rain nearby (feels like 26°C).
What's the weather like in St. Catharines right now?
Conditions in St. Catharines right now: Patchy rain nearby, humidity 81%, wind 17 km/h WSW.
What is today's forecast for St. Catharines?
Today in St. Catharines: high 30°C, low 20°C, sunny. Chance of rain: 17%.
What is the 7-day weather forecast for St. Catharines?
Daily highs and lows for St. Catharines:
- 2026-08-10: 30°C / 20°C
- 2026-08-11: 26°C / 20°C
- 2026-08-12: 25°C / 18°C
- 2026-08-13: 25°C / 20°C
- 2026-08-14: 22°C / 17°C
- 2026-08-15: 21°C / 16°C
- 2026-08-16: 23°C / 16°C
Is it going to rain in St. Catharines today?
There is a 17% chance of rain in St. Catharines today. Total expected precipitation: 0.12 mm.
What is the wind speed in St. Catharines right now?
Wind in St. Catharines is currently 17 km/h (10 mph) from the WSW.
What is the UV index in St. Catharines right now?
The UV index in St. Catharines is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
