Ontario 天氣 預報
Ontario weather: 15°C, 陰天. 逐小時 forecast, 14-day outlook, UV, air quality and the best time至visit.
Risk assessment for Ontario
Derived from the current forecast window - not an official warning.
10 dry days, 0 days above 32°C and humidity at 72%. Hot, dry and windy together is what drives fire spread.
Light haze overhead現在. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
空氣品質 and pollen in Ontario
空氣品質: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | 天氣狀況 are comfortable for most people, including children and older adults,，天氣為normal clothing. |
Active alerts for Ontario
Derived from the forecast. No official alert feed is wired for this country yet.
查看 Ontario 的分時預報
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
天氣 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現在?
It is currently 15°C (59°F)，天氣為陰天. 濕度 is 72% and wind is 22 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 11:58 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. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 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 24, 2026 at 11:58 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
