Greater Sudbury 7-day weather forecast

Written by:
September 29, 2025
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Greater Sudbury 7-day weather forecast

Stacker created the forecast for Greater Sudbury, Ontario using data from OpenWeather. This week's high is 19 °C on Monday, while the low is 1 °C on Wednesday. There are expected to be 2 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, October 13

- High of 19 °C, low of 5 °C (52% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 7:38 AM, sunset at 6:41 PM
- Last quarter moon
1 / 6
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Tuesday, October 14

- High of 16 °C, low of 6 °C (37% humidity)
- Mostly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 7:40 AM, sunset at 6:39 PM
2 / 6
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Wednesday, October 15

- High of 12 °C, low of 1 °C (38% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 7:41 AM, sunset at 6:37 PM
3 / 6
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Thursday, October 16

- High of 14 °C, low of 1 °C (29% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light air (7 km/h wind)
- Sunrise at 7:42 AM, sunset at 6:35 PM
4 / 6
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Friday, October 17

- High of 10 °C, low of 7 °C (88% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 7:44 AM, sunset at 6:33 PM
5 / 6
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Saturday, October 18

- High of 13 °C, low of 10 °C (89% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 7:45 AM, sunset at 6:32 PM
6 / 6
Leszek Glasner // Shutterstock

Sunday, October 19

- High of 13 °C, low of 7 °C (71% humidity)
- Overcast with a 100% chance of rain (17 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 7:47 AM, sunset at 6:30 PM

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