Weather in St. Catharines, Canada 🇨🇦
In St. Catharines right now it is 19°C and sunny, feeling like 19°C. Humidity is 64% with winds around 24 km/h, and the UV index is 2 (low). Over the next few days, temperatures in St. Catharines range from about 12°C to 25°C. ⚠️ Beach Hazards Statement issued June 19 at 3:50AM EDT until June 20 at 8:00AM EDT by NWS Buffalo NY
Hourly Forecast for St. Catharines
14-Day Forecast for St. Catharines
Sunny
Patchy rain nearby
Patchy rain nearby
Sunny
Sunny
Patchy rain nearby
Patchy rain nearby
Sunny
Sunny
Patchy rain nearby
Sunny
Patchy rain nearby
Patchy rain nearby
Sunny
Additional Forecasts for St. Catharines
Air Quality
Historical Weather
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Best Time to Be Outside in St. Catharines Today
The most comfortable window in St. Catharines today looks like 16:00 to 18:00, 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 19°C (66°F), sunny (feels like 19°C).
What's the weather like in St. Catharines right now?
Conditions in St. Catharines right now: Sunny, humidity 64%, wind 24 km/h WSW.
What is today's forecast for St. Catharines?
Today in St. Catharines: high 25°C, low 14°C, sunny. Chance of rain: 7%.
What is the 7-day weather forecast for St. Catharines?
Daily highs and lows for St. Catharines:
- 2026-06-19: 25°C / 14°C
- 2026-06-20: 19°C / 12°C
- 2026-06-21: 19°C / 12°C
- 2026-06-22: 20°C / 13°C
- 2026-06-23: 21°C / 13°C
- 2026-06-24: 20°C / 14°C
- 2026-06-25: 18°C / 14°C
Is it going to rain in St. Catharines today?
There is a 7% chance of rain in St. Catharines today. Total expected precipitation: 0.01 mm.
What is the wind speed in St. Catharines right now?
Wind in St. Catharines is currently 24 km/h (15 mph) from the WSW.
What is the UV index in St. Catharines right now?
The UV index in St. Catharines is currently 2.4 (low). Sun protection is recommended when the index is 3 or higher.
