Ottawa Tempo Previsão
Ottawa weather: 6°C, céu limpo. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.
Will it rain in Ottawa?
No – rain is unlikely in Ottawa today.
Chuva is very unlikely today – plans do not need a backup.
Over the next 7 days, about 0 mm of precipitation is forecast.
The next 7 days look unusually dry – roughly 0% of a normal setembro week (0 mm against 9 mm).
16-day previsão para Ottawa
Máximas e mínimas diárias, precipitação e UV.
| Dia | Condições | Máx. / Mín. | Precip. | Vento | UV |
|---|---|---|---|---|---|
| dom., set 20 | ☁️ Encoberto | 19° / 4° | 0% | 18 km/h | 5 |
| seg., set 21 | ☁️ Encoberto | 14° / 5° | 0% | 19 km/h | 5 |
| ter., set 22 | ☁️ Encoberto | 16° / 6° | 1% | 17 km/h | 5 |
| qua., set 23 | ☁️ Encoberto | 17° / 6° | 3% | 21 km/h | 5 |
| qui., set 24 | ☁️ Encoberto | 19° / 6° | 5% | 16 km/h | 5 |
| sex., set 25 | ☁️ Encoberto | 22° / 8° | 5% | 11 km/h | 5 |
| sáb., set 26 | ☁️ Encoberto | 21° / 10° | 3% | 22 km/h | 4 |
| dom., set 27 | ☁️ Encoberto | 18° / 7° | 7% | 20 km/h | 5 |
| seg., set 28 | ☁️ Encoberto | 19° / 6° | 5% | 10 km/h | 4 |
| ter., set 29 | 🌦️ Chuva fraca | 18° / 7° | 12% · 8 mm | 10 km/h | 3 |
| qua., set 30 | 🌧️ Chuvisco forte | 19° / 12° | 22% · 11 mm | 10 km/h | 3 |
| qui., out 1 | 🌤️ Predominantemente limpo | 18° / 8° | 27% | 9 km/h | 4 |
| sex., out 2 | ☁️ Encoberto | 19° / 7° | 22% | 8 km/h | 4 |
| sáb., out 3 | ☁️ Encoberto | 20° / 13° | 29% | 15 km/h | 3 |
| dom., out 4 | ☁️ Encoberto | 22° / 14° | 21% | 10 km/h | 3 |
| seg., out 5 | ☀️ Céu limpo | -- / -- | 29% | -- | — |
What this means for Ottawa
Today is slightly cooler than average for setembro. The forecast high of 19°C is 3.8°C below the 22°C typical for this month.
Chuva is very unlikely today – plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in junho a agosto.
The gap between the warmest and coldest month averages 31°C.
What a pack, what a skip
- Layers – the daily swing is 17°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid janeiro, fevereiro and dezembro – historically the least comfortable months here.
Ver a previsão de Ottawa por período
Ottawa weather – more answers
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
Tempo for related places
Frequently asked questions
Where is Ottawa?
Ottawa is a city in Ontario. Its coordinates are 45.4215, -75.6972. It lies in América do Norte.
What is the weather like in Ottawa agora?
It is currently 6°C (42°F) com céu limpo. Humidade is 91% and wind is 6 km/h.
When is the best time a visit Ottawa?
setembro offer the most comfortable conditions in Ottawa, which has a subarctic climate. janeiro, fevereiro and dezembro are usually the hardest months for outdoor plans.
What time zone is Ottawa in?
Ottawa observes America/Toronto (UTC-04:00). The hora local is 6:50 PM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airport a Ottawa?
The closest airports are seg.treal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top things a do in Ottawa?
Popular options include seg.t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park, Watkins Glen State Park, CN Tower and Letchworth State Park.
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| Place data | USPOTUS Atlas dataset (cities-supported) – coordinates, hierarchy and facts. |
|---|---|
| Previsão and observations | Open-Meteo (ECMWF and national models). |
| Qualidade do ar and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima 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 setembro 20, 2026 at 6:50 PM hora local. Live blocks refresh every 15 minutes; climate averages monthly.
