Ottawa 7-day weather forecast

Written by:
September 29, 2025
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Ottawa 7-day weather forecast

Stacker created the forecast for Ottawa, Ontario using data from OpenWeather. This week's high is 20 °C on Tuesday, while the low is 2 °C on Thursday. There is expected to be 1 sunny day and rain on 2 days this week.

There are currently no weather alerts.

Monday, October 13

- High of 19 °C, low of 8 °C (44% humidity)
- Mostly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 7:16 AM, sunset at 6:21 PM
- Last quarter moon
1 / 6
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Tuesday, October 14

- High of 20 °C, low of 11 °C (52% humidity)
- Mostly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (18 km/h wind)
- Sunrise at 7:17 AM, sunset at 6:19 PM
2 / 6
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Wednesday, October 15

- High of 12 °C, low of 5 °C (43% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 7:19 AM, sunset at 6:17 PM
3 / 6
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Thursday, October 16

- High of 12 °C, low of 2 °C (34% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (18 km/h wind)
- Sunrise at 7:20 AM, sunset at 6:15 PM
4 / 6
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Friday, October 17

- High of 13 °C, low of 3 °C (44% humidity)
- Mostly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Light air (7 km/h wind)
- Sunrise at 7:21 AM, sunset at 6:14 PM
5 / 6
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Saturday, October 18

- High of 16 °C, low of 7 °C (89% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (13 km/h wind)
- Sunrise at 7:23 AM, sunset at 6:12 PM
6 / 6
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Sunday, October 19

- High of 15 °C, low of 8 °C (98% humidity)
- Overcast with a 100% chance of rain (23 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (22 km/h wind)
- Sunrise at 7:24 AM, sunset at 6:10 PM

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