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Ottawa weather live forecast
Today's maximum temperature in Ottawa is expected to be 32°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.
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Saturday
26th Jul -
Sunday
27th Jul -
Monday
28th Jul -
Tuesday
29th Jul -
Wednesday
30th Jul
5-day weather forecast updated at 04:00 on Saturday 26th July 2025 GMT
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The 5-day weather forecast for Ontario (Ottawa) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
Ottawa weather forecast by day
Below are the detailed weather forecasts for Ottawa for the next 5 days.
Ottawa weather for Saturday 26th July 2025
Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from S
Ottawa weather for Sunday 27th July 2025
Expect broken clouds in Ottawa, Ontario with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- high heat & humidity
- kph wind from W
Ottawa weather for Monday 28th July 2025
Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 13 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- high heat & humidity
- kph wind from SW
Ottawa weather for Tuesday 29th July 2025
Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 17 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from NW
Ottawa weather for Wednesday 30th July 2025
Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and a gentle breeze of 15 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from NW
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Metric (°C / mm) | Imperial (°F / inches)
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