Peterborough 7-day weather forecast

Written by:
August 4, 2025
ESOlex // Shutterstock

Peterborough 7-day weather forecast

Stacker created the forecast for Peterborough, Ontario using data from OpenWeather. This week's high is 34 °C on Saturday, while the low is 14 °C on Wednesday. There are expected to be 2 sunny days and rain on 3 days this week.

Environment Canada, the Province of Ontario has issued an air quality until Monday at 12:58 PM.

Monday, August 4

- High of 28 °C, low of 17 °C (29% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (7 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 6:04 AM, sunset at 8:34 PM
1 / 6
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Tuesday, August 5

- High of 31 °C, low of 15 °C (30% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 6:05 AM, sunset at 8:33 PM
2 / 6
Gary Whitton // Shutterstock

Wednesday, August 6

- High of 32 °C, low of 14 °C (28% humidity)
- Partly sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 6:06 AM, sunset at 8:31 PM
3 / 6
Ahmet Naim // Shutterstock

Thursday, August 7

- High of 31 °C, low of 17 °C (26% humidity)
- Partly cloudy with a 24% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (18 km/h wind)
- Sunrise at 6:07 AM, sunset at 8:30 PM
4 / 6
Onishchenko Natalya // Shutterstock

Friday, August 8

- High of 32 °C, low of 18 °C (34% humidity)
- Mostly sunny with a 0% chance of snow
- Light breeze (26 km/h wind)
- Sunrise at 6:08 AM, sunset at 8:29 PM
5 / 6
Leonid Ikan // Shutterstock

Saturday, August 9

- High of 34 °C, low of 20 °C (33% humidity)
- Partly sunny with a 100% chance of rain (4 mm of rain)
- Light breeze (23 km/h wind)
- Sunrise at 6:09 AM, sunset at 8:27 PM
- Full moon
6 / 6
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Sunday, August 10

- High of 32 °C, low of 19 °C (36% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Light breeze (19 km/h wind)
- Sunrise at 6:11 AM, sunset at 8:26 PM

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