Guelph 7-day weather forecast

Written by:
August 25, 2025
ESOlex // Shutterstock

Guelph 7-day weather forecast

Stacker created the forecast for Guelph, Ontario using data from OpenWeather. This week's high is 23 °C on Sunday, while the low is 6 °C on Friday. There are expected to be 2 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, August 25

- High of 19 °C, low of 11 °C (71% humidity)
- Mostly cloudy with a 100% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (30 km/h wind)
- Sunrise at 6:37 AM, sunset at 8:09 PM
1 / 6
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Tuesday, August 26

- High of 19 °C, low of 8 °C (64% humidity)
- Mostly sunny with a 60% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 6:38 AM, sunset at 8:07 PM
2 / 6
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Wednesday, August 27

- High of 22 °C, low of 8 °C (30% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 6:39 AM, sunset at 8:05 PM
3 / 6
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Thursday, August 28

- High of 20 °C, low of 8 °C (91% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 6:40 AM, sunset at 8:03 PM
4 / 6
VOJTa Herout // Shutterstock

Friday, August 29

- High of 20 °C, low of 6 °C (35% humidity)
- Sunny with a 0% chance of snow
- Light breeze (16 km/h wind)
- Sunrise at 6:41 AM, sunset at 8:02 PM
5 / 6
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Saturday, August 30

- High of 21 °C, low of 8 °C (39% humidity)
- Overcast with a 0% chance of snow
- Light air (12 km/h wind)
- Sunrise at 6:43 AM, sunset at 8:00 PM
6 / 6
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Sunday, August 31

- High of 23 °C, low of 12 °C (39% humidity)
- Partly sunny with a 0% chance of snow
- Light breeze (20 km/h wind)
- Sunrise at 6:44 AM, sunset at 7:58 PM
- First quarter moon

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