Ottawa 7-day weather forecast

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July 14, 2025
ESOlex // Shutterstock

Ottawa 7-day weather forecast

Stacker created the forecast for Ottawa, Ontario using data from OpenWeather. This week's high is 34 °C on Wednesday, while the low is 16 °C on Saturday. There are expected to be 3 sunny days and rain on 3 days this week.

Environment Canada has issued a heat until Monday at 06:54 PM and a heat until Monday at 07:00 PM.

Monday, July 14

- High of 31 °C, low of 19 °C (50% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 5:27 AM, sunset at 8:48 PM
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Tuesday, July 15

- High of 30 °C, low of 17 °C (57% humidity)
- Sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light air (12 km/h wind)
- Sunrise at 5:28 AM, sunset at 8:48 PM
2 / 6
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Wednesday, July 16

- High of 34 °C, low of 19 °C (53% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 5:29 AM, sunset at 8:47 PM
3 / 6
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Thursday, July 17

- High of 28 °C, low of 18 °C (81% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light air (10 km/h wind)
- Sunrise at 5:30 AM, sunset at 8:46 PM
- Last quarter moon
4 / 6
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Friday, July 18

- High of 21 °C, low of 17 °C (71% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Light breeze (13 km/h wind)
- Sunrise at 5:31 AM, sunset at 8:45 PM
5 / 6
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Saturday, July 19

- High of 27 °C, low of 16 °C (42% humidity)
- Sunny with a 0% chance of snow
- Light air (9 km/h wind)
- Sunrise at 5:32 AM, sunset at 8:44 PM
6 / 6
Cari Rubin Photography // Shutterstock

Sunday, July 20

- High of 27 °C, low of 18 °C (53% humidity)
- Mostly cloudy with a 67% chance of rain (1 mm of rain)
- Light air (9 km/h wind)
- Sunrise at 5:33 AM, sunset at 8:44 PM

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