Ontario Vejr Prognose
Ontario weather: 6°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Sne forecast for Ontario
Sne is in the forecast for Ontario on tor, okt 8, fre, okt 9, lør, okt 10, søn, okt 11 and man, okt 19.
9 of the next 16 nights are forecast og reach freezing.
Historically, average lows drop below freezing in januar, februar, marts, april, november and december.
16-day forecast for Ontario
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| søn, okt 4 | 🌦️ Let regn | 9° / 3° | 86% · 6 mm | 26 km/h | 1 |
| man, okt 5 | ☁️ Overskyet | 6° / 1° | 10% | 24 km/h | 2 |
| tir, okt 6 | 🌦️ Let regn | 5° / 1° | 95% · 6 mm | 18 km/h | 1 |
| ons, okt 7 | 🌦️ Light drizzle | 11° / 4° | 60% · 1 mm | 18 km/h | 3 |
| tor, okt 8 | 🌨️ Light snow showers | 6° / 2° | 27% · 1 mm | 19 km/h | 2 |
| fre, okt 9 | 🌨️ Light snow showers | 4° / 1° | 10% · 2 mm | 11 km/h | 1 |
| lør, okt 10 | 🌨️ Light snow | 5° / -2° | 36% · 1 mm | 11 km/h | 2 |
| søn, okt 11 | 🌨️ Light snow | 6° / -1° | 35% · 1 mm | 18 km/h | 3 |
| man, okt 12 | ☁️ Overskyet | 6° / -2° | 31% | 8 km/h | 3 |
| tir, okt 13 | ⛅ Delvist skyet | 7° / -2° | 20% | 12 km/h | 3 |
| ons, okt 14 | ☀️ Klar himmel | 6° / -4° | 14% | 13 km/h | 3 |
| tor, okt 15 | ☁️ Overskyet | 7° / -3° | 26% | 9 km/h | 3 |
| fre, okt 16 | ☁️ Overskyet | 12° / -1° | 29% | 19 km/h | 3 |
| lør, okt 17 | ☁️ Overskyet | 8° / 1° | 16% | 21 km/h | 2 |
| søn, okt 18 | ☁️ Overskyet | 4° / -3° | 16% | 12 km/h | 2 |
| man, okt 19 | 🌨️ Sne | 6° / -8° | 18% · 4 mm | 29 km/h | 2 |
Klima in Ontario month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | -13° | -22° | 25 mm | ★★☆☆☆ |
| februar | -9° | -20° | 37 mm | ★★☆☆☆ |
| marts | -4° | -17° | 41 mm | ★★☆☆☆ |
| april | 5° | -7° | 58 mm | ★★☆☆☆ |
| maj | 15° | 3° | 50 mm | ★★★★☆ |
| juni | 22° | 10° | 71 mm | ★★★★☆ |
| juli | 25° | 14° | 81 mm | ★★★★☆ |
| august | 23° | 12° | 80 mm | ★★★★☆ |
| september | 20° | 9° | 65 mm | ★★★★☆ |
| oktober | 11° | 3° | 69 mm | ★★★☆☆ |
| november | -0° | -5° | 52 mm | ★★☆☆☆ |
| december | -7° | -15° | 52 mm | ★★☆☆☆ |
Klima type: Subarctic. Kilde: Open-Meteo archive (ERA5).
What og pack, what og skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 59 km/h.
- If your dates are flexible, avoid februar, november and december - historically the least comfortable months here.
Se prognosen for Ontario efter tidsinterval
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Ontario?
Ontario is a province in Canada. Its coordinates are 51.2538, -85.3232. It lies in Nordamerika.
What is the weather like in Ontario lige nu?
It is currently 6°C (43°F) med overskyet. Luftfugtighed is 74% and wind is 25 km/h.
When is the best time og visit Ontario?
juni, juli, august and september offer the most comfortable conditions in Ontario, which has a subarctic climate. februar, november and december 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 10:03 PM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport og Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things og 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. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima 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 oktober 4, 2026 at 10:03 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





