Ottawa Väder Prognos
Ottawa weather: 12°C, mest klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Snö forecast for Ottawa
No snow is in the current forecast window for Ottawa.
0 of the next 16 nights are forecast och reach freezing.
Historically, average lows drop below freezing in januari, februari, mars, november and december.
16-day forecast for Ottawa
Max / Min; Nederb.; UV
| Dag | Förhållanden | Max / Min | Nederb. | Vind | UV |
|---|---|---|---|---|---|
| tor, sep 17 | ☁️ Mulet | 19° / 10° | 5% | 8 km/h | 5 |
| fre, sep 18 | ☁️ Mulet | 16° / 9° | 1% | 19 km/h | 5 |
| lör, sep 19 | ☁️ Mulet | 16° / 5° | 4% | 11 km/h | 5 |
| sön, sep 20 | ☁️ Mulet | 19° / 6° | 30% | 18 km/h | 5 |
| mån, sep 21 | ☁️ Mulet | 16° / 5° | 2% | 17 km/h | 4 |
| tis, sep 22 | ☁️ Mulet | 16° / 5° | 4% | 17 km/h | 5 |
| ons, sep 23 | ☁️ Mulet | 18° / 6° | 17% | 12 km/h | 5 |
| tor, sep 24 | 🌦️ Duggregn | 12° / 9° | 19% · 4 mm | 10 km/h | 1 |
| fre, sep 25 | 🌦️ Light drizzle | 12° / 8° | 12% · 1 mm | 27 km/h | 1 |
| lör, sep 26 | ☁️ Mulet | 11° / 7° | 9% | 22 km/h | 3 |
| sön, sep 27 | ☁️ Mulet | 20° / 4° | 11% | 16 km/h | 5 |
| mån, sep 28 | ☁️ Mulet | 24° / 11° | 26% | 22 km/h | 3 |
| tis, sep 29 | 🌦️ Light drizzle | 26° / 15° | 32% · 1 mm | 15 km/h | 4 |
| ons, sep 30 | 🌦️ Light drizzle | 28° / 16° | 27% · 1 mm | 15 km/h | 4 |
| tor, okt 1 | 🌦️ Duggregn | 20° / 14° | 16% · 5 mm | 10 km/h | 2 |
| fre, okt 2 | ☀️ Klart | -- / -- | 28% | -- | — |
Klimat in Ottawa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | -5° | -13° | 61 mm | ★★☆☆☆ |
| februari | -3° | -13° | 49 mm | ★★☆☆☆ |
| mars | 5° | -6° | 79 mm | ★★☆☆☆ |
| april | 11° | 1° | 128 mm | ★★★☆☆ |
| maj | 19° | 9° | 87 mm | ★★★★☆ |
| juni | 24° | 15° | 136 mm | ★★★★☆ |
| juli | 27° | 18° | 113 mm | ★★★★☆ |
| augusti | 25° | 16° | 104 mm | ★★★★☆ |
| september | 22° | 13° | 39 mm | ★★★★☆ |
| oktober | 15° | 7° | 74 mm | ★★★★☆ |
| november | 5° | -1° | 60 mm | ★★★☆☆ |
| december | -2° | -9° | 90 mm | ★★☆☆☆ |
Klimat type: Subarctic. Källa: Open-Meteo archive (ERA5).
What och pack, what och skip
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid januari, februari and december - historically the least comfortable months here.
Se prognosen för Ottawa per tidsintervall
Ottawa weather - more answers
Explore Ottawa
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 Ottawa?
Ottawa is a city in Ontario. Its coordinates are 45.4215, -75.6972. It lies in Nordamerika.
What is the weather like in Ottawa just nu?
It is currently 12°C (53°F) med mest klart. Luftfuktighet is 88% and wind is 3 km/h.
When is the best time och visit Ottawa?
september offer the most comfortable conditions in Ottawa, which has a subarctic climate. januari, februari and december are usually the hardest months for outdoor plans.
What time zone is Ottawa in?
Ottawa observes America/Toronto (UTC-04:00). The local time is 2:02 AM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airport och Ottawa?
The closest airports are måntreal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top things och do in Ottawa?
Popular options include månt-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park, Watkins Glen State Park, CN Tower and Letchworth State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - 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 17, 2026 at 2:02 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
