Greater Sudbury 7-day weather forecast

Written by:
March 23, 2026
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 21 °C on Monday, while the low is -1 °C on Thursday. There are expected to be 2 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, May 18

- High of 21 °C, low of 10 °C (86% humidity)
- Overcast with a 100% chance of rain (35 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (22 km/h wind)
- Sunrise at 5:46 AM, sunset at 8:54 PM
1 / 6
Cari Rubin Photography // Shutterstock

Tuesday, May 19

- High of 20 °C, low of 10 °C (97% humidity)
- Overcast with a 20% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (21 km/h wind)
- Sunrise at 5:45 AM, sunset at 8:55 PM
2 / 6
Matusciac Alexandru // Shutterstock

Wednesday, May 20

- High of 13 °C, low of 3 °C (39% humidity)
- Sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (20 km/h wind)
- Sunrise at 5:44 AM, sunset at 8:56 PM
3 / 6
Leonid Ikan // Shutterstock

Thursday, May 21

- High of 16 °C, low of -1 °C (36% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (7 UV index)
- Light breeze (13 km/h wind)
- Sunrise at 5:43 AM, sunset at 8:57 PM
4 / 6
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Friday, May 22

- High of 20 °C, low of 4 °C (34% humidity)
- Fair with a 0% chance of snow
- Light air (12 km/h wind)
- Sunrise at 5:42 AM, sunset at 8:58 PM
5 / 6
Onishchenko Natalya // Shutterstock

Saturday, May 23

- High of 19 °C, low of 6 °C (36% humidity)
- Overcast with a 0% chance of snow
- Light breeze (15 km/h wind)
- Sunrise at 5:41 AM, sunset at 8:59 PM
- First quarter moon
6 / 6
Andrew Lever // Shutterstock

Sunday, May 24

- High of 16 °C, low of 6 °C (75% humidity)
- Overcast with a 21% chance of rain (0 mm of rain)
- Light breeze (19 km/h wind)
- Sunrise at 5:40 AM, sunset at 9:00 PM

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