Ontario Väder Prognos
Ontario weather: 21°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
14-day forecast for Ontario
Max / Min; Nederb.; UV
| Dag | Förhållanden | Max / Min | Nederb. | Vind | UV |
|---|---|---|---|---|---|
| ons, sep 30 | ☁️ Mulet | 22° / 15° | 45% | 26 km/h | 4 |
| tor, okt 1 | 🌧️ Regn | 17° / 10° | 11% · 3 mm | 27 km/h | 4 |
| fre, okt 2 | ☁️ Mulet | 8° / 3° | 31% | 21 km/h | 2 |
| lör, okt 3 | 🌦️ Duggregn | 12° / 2° | 55% · 2 mm | 16 km/h | 3 |
| sön, okt 4 | 🌨️ Snö | 7° / 1° | 72% · 14 mm | 29 km/h | 1 |
| mån, okt 5 | 🌨️ Snö | 5° / -1° | 20% · 1 mm | 25 km/h | 2 |
| tis, okt 6 | 🌦️ Light drizzle | 10° / -2° | 27% · 0 mm | 23 km/h | 3 |
| ons, okt 7 | 🌦️ Duggregn | 9° / 4° | 27% · 6 mm | 18 km/h | 1 |
| tor, okt 8 | ☁️ Mulet | 6° / 2° | 15% | 16 km/h | 2 |
| fre, okt 9 | ☁️ Mulet | 8° / 2° | 17% | 15 km/h | 2 |
| lör, okt 10 | ☁️ Mulet | 20° / 5° | 24% | 25 km/h | 3 |
| sön, okt 11 | ☁️ Mulet | 15° / 1° | 30% | 22 km/h | 2 |
| mån, okt 12 | 🌦️ Light drizzle | 8° / -0° | 21% · 1 mm | 16 km/h | 2 |
| tis, okt 13 | 🌨️ Light snow showers | 4° / 2° | 19% · 3 mm | 14 km/h | 1 |
The two-week trend
Cooling. The second half of the window averages 3°C cooler than the days immediately ahead.
The window averages 10°C against a september normal of 20°C - 10°C below.
Regnfall over the next 7 days is close och normal for september (20 mm against a typical 15 mm).
What this means for Ontario
Today is slightly warmer than average for september. The forecast high of 22°C is 2.5°C above the 20°C typical for this month.
A 45% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
Vindbyar och 51 km/h will push high-sided vehicles on exposed roads and bridges.
Northern Hemisphere, so peak summer falls in juni och augusti.
The gap between the warmest and coldest month averages 36°C.
What och pack, what och skip
- Layers - the daily swing is 24°C, so mornings feel nothing like afternoons
- 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 51 km/h.
- If your dates are flexible, avoid februari, november and december - historically the least comfortable months here.
Se prognosen för Ontario per tidsintervall
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
Väder for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in Kanada. Its coordinates are 51.2538, -85.3232. It lies in Nordamerika.
What is the weather like in Ontario just nu?
It is currently 21°C (70°F) med klart. Luftfuktighet is 35% and wind is 23 km/h.
When is the best time och visit Ontario?
juni, juli, augusti and september offer the most comfortable conditions in Ontario, which has a subarctic climate. februari, 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 9:27 PM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport och Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things och 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. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat 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 september 30, 2026 at 9:27 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





