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Ontario weather
Current conditions and a 14-day forecast for Ontario, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
22°C
Clear sky · feels 24°C
Humidity
70%
relative humidity
Wind
6 km/h
10m wind speed
Chance of rain
2%
today
Next 24 hours in Ontario
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 6am | Clear sky | 21°C | 0% |
| 7am | Clear sky | 23°C | 0% |
| 8am | Clear sky | 26°C | 0% |
| 9am | Clear sky | 29°C | 0% |
| 10am | Clear sky | 32°C | 0% |
| 11am | Clear sky | 34°C | 0% |
| 12pm | Clear sky | 35°C | 1% |
| 1pm | Clear sky | 35°C | 1% |
| 2pm | Clear sky | 35°C | 1% |
| 3pm | Clear sky | 35°C | 1% |
| 4pm | Clear sky | 34°C | 1% |
| 5pm | Clear sky | 32°C | 1% |
| 6pm | Clear sky | 30°C | 1% |
| 7pm | Clear sky | 26°C | 1% |
| 8pm | Clear sky | 23°C | 2% |
| 9pm | Clear sky | 22°C | 2% |
| 10pm | Clear sky | 22°C | 2% |
| 11pm | Mainly clear | 22°C | 2% |
| 12am | Clear sky | 22°C | 2% |
| 1am | Clear sky | 22°C | 2% |
| 2am | Clear sky | 22°C | 2% |
| 3am | Clear sky | 22°C | 2% |
| 4am | Clear sky | 21°C | 2% |
| 5am | Clear sky | 20°C | 2% |
14-day forecast for Ontario
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Mainly clear | 35° / 21° | 2% |
| Fri, Jul 17 | Overcast | 33° / 20° | 3% |
| Sat, Jul 18 | Clear sky | 32° / 22° | 0% |
| Sun, Jul 19 | Overcast | 32° / 22° | 1% |
| Mon, Jul 20 | Overcast | 33° / 22° | 4% |
| Tue, Jul 21 | Partly cloudy | 34° / 24° | 2% |
| Wed, Jul 22 | Overcast | 34° / 24° | 10% |
| Thu, Jul 23 | Overcast | 34° / 23° | 3% |
| Fri, Jul 24 | Partly cloudy | 34° / 23° | 2% |
| Sat, Jul 25 | Partly cloudy | 33° / 23° | 2% |
| Sun, Jul 26 | Clear sky | 34° / 23° | 1% |
| Mon, Jul 27 | Clear sky | 36° / 23° | 6% |
| Tue, Jul 28 | Clear sky | 37° / 25° | 10% |
| Wed, Jul 29 | Mainly clear | 34° / 25° | 10% |
Want more sun and moon detail for Ontario? Use the sun calculator or moon calculator and search for Ontario. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in Ontario today?
Current conditions and today's forecast for Ontario, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is Ontario's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Ontario's climate page rather than this live forecast.