Weather in Ontario, United States 🇺🇸
As of now, Ontario is 24°C and clear, feeling like 23°C. Humidity is 45% with winds around 7 km/h, and the UV index is 0 (low). The next few days in Ontario look set for about 18°C up to 29°C.
Hourly Forecast for Ontario
14-Day Forecast for Ontario
Additional Forecasts for Ontario
Air Quality
Historical Weather
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Best Time to Be Outside in Ontario Tomorrow
There is no good daylight window left in Ontario today. Tomorrow, the most comfortable window looks like 08:00 to 11:00, 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 Ontario
What is the temperature in Ontario right now?
It is currently 24°C (75°F) in Ontario, clear (feels like 23°C).
What's the weather like in Ontario right now?
Current weather in Ontario: Clear, humidity 45%, wind 7 km/h SW.
What is today's forecast for Ontario?
Today in Ontario: high 29°C, low 21°C, sunny. Chance of rain: 1%.
What is the 7-day weather forecast for Ontario?
Daily highs and lows for Ontario:
- 2026-10-19: 29°C / 21°C
- 2026-10-20: 27°C / 20°C
- 2026-10-21: 25°C / 18°C
- 2026-10-22: 21°C / 17°C
- 2026-10-23: 23°C / 16°C
- 2026-10-24: 28°C / 19°C
- 2026-10-25: 30°C / 21°C
Is it going to rain in Ontario today?
There is a 1% chance of rain in Ontario today.
What is the wind speed in Ontario right now?
Wind in Ontario is currently 7 km/h (4 mph) from the SW.
What is the UV index in Ontario right now?
The UV index in Ontario is currently 0 (low). Sun protection is recommended when the index is 3 or higher.