Guelph 7-day weather forecast

Written by:
June 23, 2025
ESOlex // Shutterstock

Guelph 7-day weather forecast

Stacker created the forecast for Guelph, Ontario using data from OpenWeather. This week's high is 33 °C on Monday, while the low is 17 °C on Friday. There are expected to be 2 sunny days and rain on 5 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 (57% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 5:40 AM, sunset at 9:05 PM
1 / 6
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Tuesday, June 24

- High of 30 °C, low of 22 °C (64% humidity)
- Partly cloudy with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (28 km/h wind)
- Sunrise at 5:40 AM, sunset at 9:06 PM
2 / 6
thaweerat // Shutterstock

Wednesday, June 25

- High of 26 °C, low of 19 °C (76% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light air (9 km/h wind)
- Sunrise at 5:41 AM, sunset at 9:06 PM
- New moon
3 / 6
Onishchenko Natalya // Shutterstock

Thursday, June 26

- High of 26 °C, low of 18 °C (60% humidity)
- Mostly cloudy with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 5:41 AM, sunset at 9:06 PM
4 / 6
Nataliia K // Shutterstock

Friday, June 27

- High of 30 °C, low of 17 °C (63% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Light breeze (23 km/h wind)
- Sunrise at 5:41 AM, sunset at 9:06 PM
5 / 6
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Saturday, June 28

- High of 26 °C, low of 19 °C (59% humidity)
- Mostly sunny with a 20% chance of rain (0 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 5:42 AM, sunset at 9:06 PM
6 / 6
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Sunday, June 29

- High of 30 °C, low of 18 °C (66% humidity)
- Partly cloudy with a 89% chance of rain (1 mm of rain)
- Light breeze (25 km/h wind)
- Sunrise at 5:42 AM, sunset at 9:06 PM

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