Ottawa weather
At 2:45 PM local time it was clear and 8°C (47°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Ottawa, Ontario, Canada.
Current conditions
- Clouds
- 1%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Ottawa weather
Is it raining in Ottawa right now?
No. It’s clear and 8° right now. Little to no rain in the next 24 hours.
What’s the weather like in Ottawa this week?
Over the next 7 days, expect highs of 8–19° and lows of -1–11°. Rain is likely on 1 of 7 days (Thursday). The driest day looks like Saturday.
Has it been raining in Ottawa lately?
In the past 7 days, Ottawa had 1 rainy day and 1.2 mm of rain in total.
What should I pack for Ottawa?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Ottawa weather by month
When is the best time to visit Ottawa?
Based on weather alone, the best time to visit Ottawa is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from -6°C (20°F) in January to 26°C (78°F) in July.
What is the rainiest month in Ottawa?
June is the wettest month, with about 104 mm (4.1 in) of rain on average. February is the driest, with about 55 mm (2.2 in).
What is the hottest month in Ottawa?
July is the warmest, with average highs of 26°C (78°F) and lows of 15°C (60°F). January is the coolest, with highs of -6°C (20°F) and lows of -16°C (3°F).
Does Ottawa have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is June at about 104 mm (4.1 in).
Ottawa weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months