Belleville 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Belleville 7-day weather forecast

Stacker created the forecast for Belleville, Ontario using data from OpenWeather. This week's high is 28 °C on Tuesday, while the low is 3 °C on Saturday. There are expected to be 4 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 25 °C, low of 12 °C (38% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (12 km/h wind)
- Sunrise at 6:48 AM, sunset at 7:20 PM
1 / 6
Marian Weyo // Shutterstock

Tuesday, September 16

- High of 28 °C, low of 11 °C (28% humidity)
- Mostly sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (12 km/h wind)
- Sunrise at 6:50 AM, sunset at 7:18 PM
2 / 6
Andrew Lever // Shutterstock

Wednesday, September 17

- High of 27 °C, low of 13 °C (45% humidity)
- Mostly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 6:51 AM, sunset at 7:16 PM
3 / 6
afoto6267 // Shutterstock

Thursday, September 18

- High of 28 °C, low of 14 °C (40% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 6:52 AM, sunset at 7:14 PM
4 / 6
Rachasie // Shutterstock

Friday, September 19

- High of 22 °C, low of 10 °C (31% humidity)
- Sunny with a 0% chance of snow
- Light breeze (25 km/h wind)
- Sunrise at 6:53 AM, sunset at 7:13 PM
5 / 6
Nazarova Mariia // Shutterstock

Saturday, September 20

- High of 19 °C, low of 3 °C (20% humidity)
- Sunny with a 0% chance of snow
- Light breeze (13 km/h wind)
- Sunrise at 6:54 AM, sunset at 7:11 PM
6 / 6
Leonid Ikan // Shutterstock

Sunday, September 21

- High of 24 °C, low of 8 °C (37% humidity)
- Mostly cloudy with a 0% chance of snow
- Light breeze (16 km/h wind)
- Sunrise at 6:55 AM, sunset at 7:09 PM
- New moon

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