London 7-day weather forecast

Written by:
December 15, 2025
ESOlex // Shutterstock

London 7-day weather forecast

Stacker created the forecast for London, Ontario using data from OpenWeather. This week's high is 6 °C on Thursday, while the low is -16 °C on Tuesday. There are expected to be 0 sunny days, snow on 4 days, and 1 day of rain this week.

There are currently no weather alerts.

Monday, December 15

- High of -8 °C, low of -14 °C (92% humidity)
- Overcast with a 100% chance of snow (2 mm of snow)
- Gentle breeze (27 km/h wind)
- Sunrise at 7:49 AM, sunset at 4:51 PM
1 / 6
Andrew Lever // Shutterstock

Tuesday, December 16

- High of 0 °C, low of -16 °C (87% humidity)
- Overcast with a 0% chance of snow
- Gentle breeze (29 km/h wind)
- Sunrise at 7:50 AM, sunset at 4:51 PM
2 / 6
Valeriy Boyarskiy // Shutterstock

Wednesday, December 17

- High of 2 °C, low of -9 °C (96% humidity)
- Overcast with a 0% chance of snow
- Gentle breeze (29 km/h wind)
- Sunrise at 7:50 AM, sunset at 4:51 PM
3 / 6
otsphoto // Shutterstock

Thursday, December 18

- High of 6 °C, low of -5 °C (100% humidity)
- Overcast with a 100% chance of rain (9 mm of rain)
- Gentle breeze (38 km/h wind)
- Sunrise at 7:51 AM, sunset at 4:51 PM
4 / 6
STILLFX // Shutterstock

Friday, December 19

- High of 1 °C, low of -6 °C (84% humidity)
- Overcast with a 100% chance of snow (2 mm of snow)
- Gentle breeze (35 km/h wind)
- Sunrise at 7:52 AM, sunset at 4:52 PM
- New moon
5 / 6
Leonid Ikan // Shutterstock

Saturday, December 20

- High of 4 °C, low of -6 °C (81% humidity)
- Overcast with a 20% chance of snow (0 mm of snow)
- Gentle breeze (27 km/h wind)
- Sunrise at 7:52 AM, sunset at 4:52 PM
6 / 6
Mitja Mithans // Shutterstock

Sunday, December 21

- High of 3 °C, low of -4 °C (82% humidity)
- Overcast with a 100% chance of snow (1 mm of snow)
- Gentle breeze (31 km/h wind)
- Sunrise at 7:53 AM, sunset at 4:53 PM

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