Guelph 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Guelph 7-day weather forecast

Stacker created the forecast for Guelph, Ontario using data from OpenWeather. This week's high is 29 °C on Sunday, while the low is 10 °C on Thursday. There are expected to be 4 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, July 20

- High of 28 °C, low of 11 °C (37% humidity)
- Sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 5:58 AM, sunset at 8:56 PM
1 / 6
Deborah Kolb // Shutterstock

Tuesday, July 21

- High of 26 °C, low of 14 °C (91% humidity)
- Overcast with a 100% chance of rain (22 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (29 km/h wind)
- Sunrise at 5:58 AM, sunset at 8:55 PM
- First quarter moon
2 / 6
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Wednesday, July 22

- High of 17 °C, low of 11 °C (64% humidity)
- Mostly cloudy with a 77% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (29 km/h wind)
- Sunrise at 5:59 AM, sunset at 8:54 PM
3 / 6
Matusciac Alexandru // Shutterstock

Thursday, July 23

- High of 23 °C, low of 10 °C (46% humidity)
- Sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (24 km/h wind)
- Sunrise at 6:00 AM, sunset at 8:53 PM
4 / 6
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Friday, July 24

- High of 26 °C, low of 13 °C (43% humidity)
- Sunny with a 0% chance of snow
- Light breeze (18 km/h wind)
- Sunrise at 6:01 AM, sunset at 8:52 PM
5 / 6
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Saturday, July 25

- High of 28 °C, low of 14 °C (36% humidity)
- Mostly sunny with a 0% chance of snow
- Light air (11 km/h wind)
- Sunrise at 6:02 AM, sunset at 8:51 PM
6 / 6
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Sunday, July 26

- High of 29 °C, low of 17 °C (50% humidity)
- Overcast with a 69% chance of rain (0 mm of rain)
- Light breeze (23 km/h wind)
- Sunrise at 6:03 AM, sunset at 8:50 PM

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