Ontario 天気 予報
Ontario weather: -8°C, 晴れ. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
UV指数 in Ontario
No protection needed for most skin types. Burn times are approximate, for unprotected skin at peak UV.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| Pets | Short-haired dogs need a coat below freezing, and paw salt should be rinsed off after walks. |
| Older adults | Cold raises blood pressure. Layer up before going out and keep living areas above 18°C. |
| Children | Cover extremities - hands, ears and faces lose heat fastest. Watch for wind chill on the wayからschool. |
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1時間ごとの気温・降水確率・風
時間帯別のOntario 予報を見る
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
天気 for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in カナダ. Its coordinates are 51.2538, -85.3232. It lies in 北アメリカ.
What is the weather like in Ontario現在?
It is currently -8°C (18°F)、晴れ. 湿度 is 85% and wind is 5 km/h.
When is the best timeからvisit Ontario?
6月, 7月, 8月 and 9月 offer the most comfortable conditions in Ontario, which has a subarctic climate. 2月, 11月 and 12月 are usually the hardest months for outdoor plans.
What time zone is Ontario in?
Ontario observes America/Toronto (UTC-04:00). The local time is 8:48 AM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airportからOntario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top thingsからdo in Ontario?
Popular options include CN Tower and Algonquin Provincial Park.
What places are in Ontario?
Ontario covers 4 places in this atlas, including Ottawa, Toronto, Algonquin Provincial Park and Niagara Falls, Ontario.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ca-provinces) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated 10月 27, 2026 at 8:48 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
