Ontario 天气 预报
Ontario weather: 0°C, 阴天. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.
空气质量 and pollen in Ontario
空气质量: Open-Meteo (CAMS). US AQI scale.
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至school. |
天气：Ontario现在
Open-Meteo Updated 5:36 PM, 十月 28 local time.
查看 Ontario 的分时预报
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
天气 for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in 加拿大. Its coordinates are 51.2538, -85.3232. It lies in 北美洲.
What is the weather like in Ontario现在?
It is currently 0°C (32°F)，天气为阴天. 湿度 is 89% and wind is 11 km/h.
When is the best time至visit Ontario?
六月, 七月, 八月 and 九月 offer the most comfortable conditions in Ontario, which has a subarctic climate. 二月, 十一月 and 十二月 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 5:36 PM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport至Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things至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. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 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 十月 28, 2026 at 5:36 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
