
ESOlex // Shutterstock
London 7-day weather forecast
Stacker created the forecast for London, Ontario using data from OpenWeather. This week's high is 33 °C on Monday, while the low is 18 °C on Friday. There are expected to be 2 sunny days and rain on 6 days this week.
Environment Canada has issued a heat until Monday at 09:11 AM.
Monday, June 23
- High of 33 °C, low of 24 °C (58% humidity)- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (24 km/h wind)
- Sunrise at 5:46 AM, sunset at 9:07 PM

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Deborah Kolb // Shutterstock
Tuesday, June 24
- High of 31 °C, low of 20 °C (63% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (24 km/h wind)
- Sunrise at 5:46 AM, sunset at 9:08 PM
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (24 km/h wind)
- Sunrise at 5:46 AM, sunset at 9:08 PM

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John Cartwright // Shutterstock
Wednesday, June 25
- High of 27 °C, low of 20 °C (78% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:08 PM
- New moon
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:08 PM
- New moon

3 / 6
STILLFX // Shutterstock
Thursday, June 26
- High of 27 °C, low of 20 °C (76% humidity)
- Overcast with a 55% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light air (11 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:08 PM
- Overcast with a 55% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light air (11 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:08 PM

4 / 6
LeManna // Shutterstock
Friday, June 27
- High of 31 °C, low of 18 °C (59% humidity)
- Mostly sunny with a 100% chance of rain (9 mm of rain)
- Light breeze (23 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:08 PM
- Mostly sunny with a 100% chance of rain (9 mm of rain)
- Light breeze (23 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:08 PM

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Leonid Ikan // Shutterstock
Saturday, June 28
- High of 28 °C, low of 20 °C (65% humidity)
- Mostly cloudy with a 100% chance of rain (0 mm of rain)
- Light breeze (17 km/h wind)
- Sunrise at 5:48 AM, sunset at 9:08 PM
- Mostly cloudy with a 100% chance of rain (0 mm of rain)
- Light breeze (17 km/h wind)
- Sunrise at 5:48 AM, sunset at 9:08 PM

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Leonid Ikan // Shutterstock
Sunday, June 29
- High of 30 °C, low of 20 °C (62% humidity)
- Partly cloudy with a 78% chance of rain (1 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 5:48 AM, sunset at 9:08 PM
- Partly cloudy with a 78% chance of rain (1 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 5:48 AM, sunset at 9:08 PM