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 15 °C on Monday, while the low is -2 °C on Thursday. There is expected to be 1 sunny day and rain on 5 days this week.

There are currently no weather alerts.

Monday, May 4

- High of 15 °C, low of 4 °C (73% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 6:05 AM, sunset at 8:36 PM
1 / 6
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Tuesday, May 5

- High of 10 °C, low of 2 °C (39% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (28 km/h wind)
- Sunrise at 6:03 AM, sunset at 8:37 PM
2 / 6
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Wednesday, May 6

- High of 12 °C, low of -1 °C (35% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (20 km/h wind)
- Sunrise at 6:02 AM, sunset at 8:38 PM
3 / 6
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Thursday, May 7

- High of 10 °C, low of -2 °C (35% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 6:00 AM, sunset at 8:40 PM
4 / 6
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Friday, May 8

- High of 9 °C, low of -2 °C (44% humidity)
- Mostly cloudy with a 37% chance of rain (1 mm of rain)
- Light breeze (16 km/h wind)
- Sunrise at 5:59 AM, sunset at 8:41 PM
5 / 6
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Saturday, May 9

- High of 8 °C, low of -2 °C (55% humidity)
- Mostly cloudy with a 100% chance of rain (1 mm of rain)
- Light air (11 km/h wind)
- Sunrise at 5:57 AM, sunset at 8:42 PM
- Last quarter moon
6 / 6
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Sunday, May 10

- High of 13 °C, low of -1 °C (50% humidity)
- Mostly sunny with a 37% chance of rain (0 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 5:56 AM, sunset at 8:44 PM

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