Greater Sudbury 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Greater Sudbury 7-day weather forecast

Stacker created the forecast for Greater Sudbury, Ontario using data from OpenWeather. This week's high is 27 °C on Wednesday, while the low is 1 °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 24 °C, low of 8 °C (42% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light air (8 km/h wind)
- Sunrise at 7:02 AM, sunset at 7:36 PM
1 / 6
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Tuesday, September 16

- High of 26 °C, low of 10 °C (42% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light air (12 km/h wind)
- Sunrise at 7:03 AM, sunset at 7:34 PM
2 / 6
Nazarova Mariia // Shutterstock

Wednesday, September 17

- High of 27 °C, low of 11 °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 7:04 AM, sunset at 7:32 PM
3 / 6
Marian Weyo // Shutterstock

Thursday, September 18

- High of 19 °C, low of 11 °C (61% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 7:06 AM, sunset at 7:30 PM
4 / 6
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Friday, September 19

- High of 17 °C, low of 5 °C (38% humidity)
- Sunny with a 0% chance of snow
- Light breeze (20 km/h wind)
- Sunrise at 7:07 AM, sunset at 7:28 PM
5 / 6
Matusciac Alexandru // Shutterstock

Saturday, September 20

- High of 17 °C, low of 1 °C (29% humidity)
- Sunny with a 0% chance of snow
- Light air (9 km/h wind)
- Sunrise at 7:08 AM, sunset at 7:26 PM
6 / 6
Andrew Lever // Shutterstock

Sunday, September 21

- High of 21 °C, low of 6 °C (35% humidity)
- Overcast with a 0% chance of snow
- Light air (8 km/h wind)
- Sunrise at 7:09 AM, sunset at 7:24 PM
- New moon

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