Ontario Počasí Předpověď
Ontario weather: 18°C, jasno. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
Sníh forecast for Ontario
No snow is in the current forecast window for Ontario.
0 of the next 16 nights are forecast do reach freezing.
Historically, average lows drop below freezing in leden, únor, březen, duben, listopad and prosinec.
16-day forecast for Ontario
Max. / Min.; Srážky; UV
| Den | Podmínky | Max. / Min. | Srážky | Vítr | UV |
|---|---|---|---|---|---|
| po, srp 24 | ☁️ Zataženo | 25° / 7° | 0% | 15 km/h | 6 |
| út, srp 25 | ☁️ Zataženo | 29° / 11° | 3% | 16 km/h | 5 |
| st, srp 26 | 🌦️ Light drizzle | 26° / 15° | 67% · 1 mm | 13 km/h | 3 |
| čt, srp 27 | 🌦️ Light drizzle | 15° / 8° | 52% · 1 mm | 18 km/h | 3 |
| pá, srp 28 | ☁️ Zataženo | 19° / 5° | 6% | 17 km/h | 6 |
| so, srp 29 | ☁️ Zataženo | 24° / 9° | 9% | 14 km/h | 6 |
| ne, srp 30 | ☁️ Zataženo | 20° / 11° | 15% | 12 km/h | 4 |
| po, srp 31 | ☁️ Zataženo | 24° / 9° | 28% | 11 km/h | 4 |
| út, zář 1 | ☁️ Zataženo | 22° / 11° | 28% | 13 km/h | 4 |
| st, zář 2 | ☁️ Zataženo | 23° / 10° | 11% | 14 km/h | 5 |
| čt, zář 3 | 🌧️ Déšť | 18° / 11° | 12% · 21 mm | 17 km/h | 1 |
| pá, zář 4 | 🌥️ Mlha | 22° / 14° | 14% | 11 km/h | 3 |
| so, zář 5 | ☁️ Zataženo | 28° / 16° | 23% | 15 km/h | 4 |
| ne, zář 6 | 🌦️ Light showers | 21° / 12° | 25% · 5 mm | 26 km/h | 3 |
| po, zář 7 | 🌦️ Light drizzle | 19° / 10° | 26% · 1 mm | 22 km/h | 4 |
| út, zář 8 | ⛅ Polojasno | 23° / 9° | 23% | 15 km/h | 5 |
Klima in Ontario month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Měsíc | Avg high | Avg low | Déšťfall | Rating |
|---|---|---|---|---|
| leden | -13° | -22° | 25 mm | ★★☆☆☆ |
| únor | -9° | -20° | 37 mm | ★★☆☆☆ |
| březen | -4° | -17° | 41 mm | ★★☆☆☆ |
| duben | 5° | -7° | 58 mm | ★★☆☆☆ |
| kvě | 15° | 3° | 50 mm | ★★★★☆ |
| červen | 22° | 10° | 71 mm | ★★★★☆ |
| červenec | 25° | 14° | 81 mm | ★★★★☆ |
| srpen | 23° | 12° | 64 mm | ★★★★☆ |
| září | 20° | 10° | 68 mm | ★★★★☆ |
| říjen | 11° | 3° | 69 mm | ★★★☆☆ |
| listopad | -0° | -5° | 52 mm | ★★☆☆☆ |
| prosinec | -7° | -15° | 52 mm | ★★☆☆☆ |
Klima type: Subarctic. Zdroj: Open-Meteo archive (ERA5).
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 23°C, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid únor, listopad and prosinec - historically the least comfortable months here.
Zobrazit předpověď pro Ontario podle časového období
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
Počasí 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 Severní Amerika.
What is the weather like in Ontario právě teď?
It is currently 18°C (64°F) s jasno. Vlhkost is 50% and wind is 7 km/h.
When is the best time do visit Ontario?
červen, červenec, srpen and září offer the most comfortable conditions in Ontario, which has a subarctic climate. únor, listopad and prosinec 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 12:21 AM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport do Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things do 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. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší 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 srpen 25, 2026 at 12:21 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





