Ottawa 7-day weather forecast

Written by:
December 15, 2025
ESOlex // Shutterstock

Ottawa 7-day weather forecast

Stacker created the forecast for Ottawa, Ontario using data from OpenWeather. This week's high is 5 °C on Friday, while the low is -17 °C on Tuesday. There are expected to be 0 sunny days, snow on 4 days, and 3 days of rain this week.

There are currently no weather alerts.

Monday, December 15

- High of -7 °C, low of -16 °C (86% humidity)
- Overcast with a 31% chance of snow (0 mm of snow)
- Light breeze (15 km/h wind)
- Sunrise at 7:36 AM, sunset at 4:20 PM
1 / 6
Gaschwald // Shutterstock

Tuesday, December 16

- High of 0 °C, low of -17 °C (90% humidity)
- Overcast with a 20% chance of snow (0 mm of snow)
- Light breeze (23 km/h wind)
- Sunrise at 7:36 AM, sunset at 4:20 PM
2 / 6
Krasula // Shutterstock

Wednesday, December 17

- High of 2 °C, low of -9 °C (96% humidity)
- Overcast with a 100% chance of snow (1 mm of snow)
- Gentle breeze (36 km/h wind)
- Sunrise at 7:37 AM, sunset at 4:20 PM
3 / 6
Marian Weyo // Shutterstock

Thursday, December 18

- High of 4 °C, low of -11 °C (95% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Light breeze (26 km/h wind)
- Sunrise at 7:38 AM, sunset at 4:21 PM
4 / 6
Valeriy Boyarskiy // Shutterstock

Friday, December 19

- High of 5 °C, low of -11 °C (75% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Gentle breeze (31 km/h wind)
- Sunrise at 7:38 AM, sunset at 4:21 PM
- New moon
5 / 6
Leonid Ikan // Shutterstock

Saturday, December 20

- High of -6 °C, low of -12 °C (55% humidity)
- Mostly cloudy with a 100% chance of snow (3 mm of snow)
- Light breeze (18 km/h wind)
- Sunrise at 7:39 AM, sunset at 4:21 PM
6 / 6
Leonid Ikan // Shutterstock

Sunday, December 21

- High of 2 °C, low of -9 °C (99% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Light breeze (25 km/h wind)
- Sunrise at 7:39 AM, sunset at 4:22 PM

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