Province in 加拿大

Ontario 天气 预报

Ontario weather: 15°C, 阴天. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.

☁️ 15°C now🕔 10:48 PM local📅 Best: 六月, 七月, 八月 and 九月👥 15.6 million

Ontario weather in 十月

11°
average high · low 3°C
★★★☆☆
ranked #6 of 12 months

A workable month,,天气为trade-offs.

Average high11°C
Average low3°C
Mean6°C
雨fall69 mm

十月 runs 4°C warmer than the annual average in Ontario.

天气 map for Ontario

Animated model layers. Pick a layer至load it.

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Animated layers by 风y. For pin-level detail and nearby places, see the interactive map below.

气候 in Ontario month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

一二三四五六七八九十十十Line: average high · Bars: rainfall
月份Avg highAvg low雨fallRating
一月-13°-22°25 mm★★☆☆☆
二月-9°-20°37 mm★★☆☆☆
三月-4°-17°41 mm★★☆☆☆
四月5°-7°58 mm★★☆☆☆
五月15°3°50 mm★★★★☆
六月22°10°71 mm★★★★☆
七月25°14°81 mm★★★★☆
八月23°12°80 mm★★★★☆
九月20°9°65 mm★★★★☆
十月11°3°69 mm★★★☆☆
十一月-0°-5°52 mm★★☆☆☆
十二月-7°-15°52 mm★★☆☆☆

气候 type: Subarctic. 来源: Open-Meteo archive (ERA5).

最佳旅游时间 Ontario

Go in 六月, 七月, 八月 and 九月. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: 二月, 十一月 and 十二月 - expect the least comfortable mix of heat, cold or rain.

一月★★☆☆☆
二月★★☆☆☆
三月★★☆☆☆
四月★★☆☆☆
五月★★★★☆
六月★★★★☆
七月★★★★☆
八月★★★★☆
九月★★★★☆
十月★★★☆☆
十一月★★☆☆☆
十二月★★☆☆☆

What至pack, what至skip

Pack for the next 7 days
  • A warm mid-layer and gloves for early mornings and evenings
  • Insulated outer layer, hat and boots,天气为grip for ice
Worth avoiding
  • Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 63 km/h.
  • If your dates are flexible, avoid 二月, 十一月 and 十二月 - historically the least comfortable months here.

How Ontario compares,天气为nearby places

Annual averages, and the difference against Ontario.

PlaceDistanceAvg tempvs hereAnnual rain
Lake Superior425 km3°C+1°C warmer790 mm
Isle Royale National Park429 km6°C+3°C warmer761 mm
Porcupine Mountains Wilderness State Park589 km7°C+5°C warmer902 mm

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 15°C (59°F),天气为阴天. 湿度 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 10:48 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 dataUSPOTUS Atlas dataset (ca-provinces) - coordinates, hierarchy and facts.
预报 and observationsOpen-Meteo (ECMWF and national models).
空气质量 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
气候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 10:48 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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