Thunder Bay 7-day weather forecast

Written by:
June 2, 2025
ESOlex // Shutterstock

Thunder Bay 7-day weather forecast

Stacker created the forecast for Thunder Bay, Ontario using data from OpenWeather. This week's high is 30 °C on Monday, while the low is 6 °C on Monday. There are expected to be 3 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, June 2

- High of 30 °C, low of 6 °C (65% humidity)
- Mostly sunny with a 73% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (26 km/h wind)
- Sunrise at 5:59 AM, sunset at 9:50 PM
- First quarter moon
1 / 6
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Tuesday, June 3

- High of 14 °C, low of 10 °C (97% humidity)
- Overcast with a 100% chance of rain (21 mm of rain)
- Light breeze (17 km/h wind)
- Sunrise at 5:58 AM, sunset at 9:51 PM
2 / 6
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Wednesday, June 4

- High of 19 °C, low of 9 °C (43% humidity)
- Sunny with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (20 km/h wind)
- Sunrise at 5:58 AM, sunset at 9:52 PM
3 / 6
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Thursday, June 5

- High of 17 °C, low of 10 °C (43% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 5:57 AM, sunset at 9:53 PM
4 / 6
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Friday, June 6

- High of 15 °C, low of 10 °C (51% humidity)
- Mostly cloudy with a 0% chance of snow
- Light air (10 km/h wind)
- Sunrise at 5:57 AM, sunset at 9:54 PM
5 / 6
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Saturday, June 7

- High of 19 °C, low of 10 °C (58% humidity)
- Sunny with a 0% chance of snow
- Light breeze (17 km/h wind)
- Sunrise at 5:56 AM, sunset at 9:55 PM
6 / 6
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Sunday, June 8

- High of 19 °C, low of 11 °C (63% humidity)
- Partly cloudy with a 100% chance of rain (9 mm of rain)
- Light breeze (24 km/h wind)
- Sunrise at 5:56 AM, sunset at 9:55 PM

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