Guelph 7-day weather forecast

Written by:
September 29, 2025
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Guelph 7-day weather forecast

Stacker created the forecast for Guelph, Ontario using data from OpenWeather. This week's high is 21 °C on Tuesday, while the low is 2 °C on Thursday. There are expected to be 3 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, October 13

- High of 16 °C, low of 8 °C (66% humidity)
- Mostly sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (24 km/h wind)
- Sunrise at 7:32 AM, sunset at 6:41 PM
- Last quarter moon
1 / 6
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Tuesday, October 14

- High of 21 °C, low of 8 °C (50% humidity)
- Fair with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (22 km/h wind)
- Sunrise at 7:33 AM, sunset at 6:39 PM
2 / 6
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Wednesday, October 15

- High of 14 °C, low of 4 °C (33% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 7:35 AM, sunset at 6:37 PM
3 / 6
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Thursday, October 16

- High of 15 °C, low of 2 °C (25% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light air (12 km/h wind)
- Sunrise at 7:36 AM, sunset at 6:36 PM
4 / 6
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Friday, October 17

- High of 17 °C, low of 5 °C (29% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Light air (12 km/h wind)
- Sunrise at 7:37 AM, sunset at 6:34 PM
5 / 6
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Saturday, October 18

- High of 20 °C, low of 10 °C (55% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (22 km/h wind)
- Sunrise at 7:38 AM, sunset at 6:33 PM
6 / 6
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Sunday, October 19

- High of 15 °C, low of 8 °C (36% humidity)
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (31 km/h wind)
- Sunrise at 7:40 AM, sunset at 6:31 PM

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