Greater Sudbury 7-day weather forecast

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July 14, 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 29 °C on Tuesday, while the low is 9 °C on Friday. There are expected to be 4 sunny days and rain on 4 days this week.

Environment Canada, the Province of Ontario has issued an air quality until Monday at 07:23 PM.

Monday, July 14

- High of 28 °C, low of 15 °C (46% humidity)
- Sunny with a 35% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 5:45 AM, sunset at 9:14 PM
1 / 6
Piyawat Nandeenopparit // Shutterstock

Tuesday, July 15

- High of 29 °C, low of 15 °C (38% humidity)
- Mostly sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 5:46 AM, sunset at 9:13 PM
2 / 6
STILLFX // Shutterstock

Wednesday, July 16

- High of 27 °C, low of 13 °C (83% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (18 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:12 PM
3 / 6
Onishchenko Natalya // Shutterstock

Thursday, July 17

- High of 14 °C, low of 13 °C (94% humidity)
- Overcast with a 100% chance of rain (14 mm of rain)
- Light breeze (18 km/h wind)
- Sunrise at 5:48 AM, sunset at 9:11 PM
- Last quarter moon
4 / 6
Leonid Ikan // Shutterstock

Friday, July 18

- High of 25 °C, low of 9 °C (34% humidity)
- Sunny with a 0% chance of snow
- Light breeze (13 km/h wind)
- Sunrise at 5:49 AM, sunset at 9:10 PM
5 / 6
VOJTa Herout // Shutterstock

Saturday, July 19

- High of 27 °C, low of 12 °C (34% humidity)
- Fair with a 0% chance of snow
- Light air (11 km/h wind)
- Sunrise at 5:50 AM, sunset at 9:09 PM
6 / 6
Gaschwald // Shutterstock

Sunday, July 20

- High of 21 °C, low of 15 °C (94% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Light air (6 km/h wind)
- Sunrise at 5:51 AM, sunset at 9:09 PM

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