Ontario Sää Ennuste
Ontario weather: -5°C, selkeä. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
Risk assessment for Ontario
Derived from the current forecast window - not an official warning.
12 dry days, 0 days above 32°C and humidity at 60%. Hot, dry and windy together is what drives fire spread.
Selkeä air overhead nyt. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
Ilmanlaatu and pollen in Ontario
Ilmanlaatu: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| Pets | Short-haired dogs need a coat below freezing, and paw salt should be rinsed off after walks. |
| Older adults | Cold raises blood pressure. Layer up before going out and keep living areas above 18°C. |
| Children | Cover extremities - hands, ears and faces lose heat fastest. Watch for wind chill on the way ja school. |
Active alerts for Ontario
Derived from the forecast. No official alert feed is wired for this country yet.
Katso kohteen Ontario ennuste aikavälin mukaan
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
Sää 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 Pohjois-Amerikka.
What is the weather like in Ontario nyt?
It is currently -5°C (23°F) ja selkeä. Kosteus is 60% and wind is 8 km/h.
When is the best time ja visit Ontario?
kesäkuu, heinäkuu, elokuu and syyskuu offer the most comfortable conditions in Ontario, which has a subarctic climate. helmikuu, marraskuu and joulukuu 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 2:32 AM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport ja Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things ja 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. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto 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 lokakuu 27, 2026 at 2:32 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
