Ottawa weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 13°C and sunny in Ottawa. Tomorrow's forecast: highs of 14°C, lows of 3°C.
Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours
OttawaCanada
Updated 10:43 AM
Sunny
Feels like 12°
Forecast Comparison
See how independent weather sources forecast the same location right now.
Forecast agreement
Sources show some variationTemperature range
10° – 13°
Rain probability
0% – 8%
Wind speed
10 km/h – 17 km/h
Temperature by provider
Hourly forecast
16-day forecast
Rain forecast
Precipitation probability: 0%Hourly precipitation timeline
Wind
Direction: SW
Current wind
17 km/h
Gusts
22 km/h
Hourly wind
Daily wind
Weather alerts
No active weather alerts.
Weather map
Ottawa this time of year
- Ottawa is usually about 2°C warmer than Mont-Tremblant, 120 km away, in October.
- In Ottawa, October is mid-autumn.
- Temperatures are falling — expect highs around 9°C lower by November.
Planning a trip to Ottawa? Save or share this forecast.
Ottawa weather overview: climate, seasons and what to expect
Ottawa, in Ontario, Canada, sits at approximately 45.41°N, 75.70°W and is home to about 812,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.
Climate-wise, Ottawa has a continental climate: warm summers and cold, often frosty winters. Expect the most heat in July (about 26°C by day) and the chilliest nights in January (around -17°C). Most rain falls in June, roughly 102 mm. The nearest places with their own forecast page are Mont-Tremblant (124 km), Montreal (165 km) and Toronto (351 km).
Frequently asked questions
- What is the weather in Ottawa today?
- Right now Ottawa shows sunny conditions at around 13°C (feels like 12°C), based on OpenWeatherMap. The chance of rain today is about 0%. Compare this with the other sources above for a fuller picture.
- What is the weather in Ottawa tomorrow?
- Tomorrow in Ottawa: expect a high of 14°C and a low of 3°C, with a 0% chance of rain. See the hourly breakdown above for more detail.
- Will it rain in Ottawa today?
- The precipitation probability for Ottawa is around 0% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
- What is the 14-day forecast for Ottawa?
- The 14-day forecast above shows daily highs, lows and rain probability for Ottawa from multiple sources; compare them to see how confident the outlook is.
Nearby cities
Highs -8° – 24°C (warmest in Jul, coolest in Jan)
Highs -6° – 27°C (warmest in Jul, coolest in Jan)
Highs 0° – 26°C (warmest in Jul, coolest in Jan)
Highs 0° – 27°C (warmest in Jul, coolest in Jan)
Highs -9° – 23°C (warmest in Jul, coolest in Jan)
Highs -2° – 29°C (warmest in Jul, coolest in Jan)
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