Weather forecast for 10 daysThunder Bay, Canada
10-day overview
Daily temperatures
Maximum temperature: 17°C.
Coldest day: Monday 8°C.
Coldest day: Monday 8°C.
Chance of precipitation
Highest chance: Saturday 24%.
Long-term weather forecast
- Tuesday
- 20. Oct 2026
- 14°C
- 5°C
Sunny
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 15km/hESE 105°
- Humidity: 77%
- UV index: 2
- Sunrise: 8:24 am EDT
- Sunset: 6:58 pm EDT
- details ▼
- Wednesday
- 21. Oct 2026
- 17°C
- 2°C
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 11km/hNNW 332°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:26 am EDT
- Sunset: 6:56 pm EDT
- details ▼
- Thursday
- 22. Oct 2026
- 15°C
- 5°C
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0mm
- Wind: 11km/hE 92°
- Humidity: 79%
- UV index: 2
- Sunrise: 8:27 am EDT
- Sunset: 6:55 pm EDT
- details ▼
- Friday
- 23. Oct 2026
- 17°C
- 10°C
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0mm
- Wind: 12km/hSE 140°
- Humidity: 84%
- UV index: 2
- Sunrise: 8:29 am EDT
- Sunset: 6:53 pm EDT
- details ▼
- Saturday
- 24. Oct 2026
- 17°C
- 6°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 20km/hS 185°
- Humidity: 72%
- UV index: 1
- Sunrise: 8:30 am EDT
- Sunset: 6:51 pm EDT
- details ▼
- Sunday
- 25. Oct 2026
- 13°C
- 1°C
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0mm
- Wind: 20km/hW 275°
- Humidity: 55%
- UV index: 2
- Sunrise: 8:32 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Monday
- 26. Oct 2026
- 8°C
- 0°C
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 14km/hNNW 327°
- Humidity: 65%
- UV index: 2
- Sunrise: 8:33 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Tuesday
- 27. Oct 2026
- 9°C
- 1°C
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0mm
- Wind: 14km/hNW 312°
- Humidity: 66%
- UV index: 2
- Sunrise: 8:35 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Wednesday
- 28. Oct 2026
- 11°C
- 3°C
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 1mm
- Wind: 18km/hSW 230°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:37 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Thursday
- 29. Oct 2026
- 10°C
- 3°C
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0mm
- Wind: 18km/hW 271°
- Humidity: 65%
- UV index: 2
- Sunrise: 8:38 am EDT
- Sunset: 6:42 pm EDT
- details ▼
Over the next ten days, conditions will reflect that primarily cloud-filled and occasionally clear weather is anticipated.
With a 21% probability, rainfall is forecasted only for next Wednesday. Predicted precipitation will be minimal at 1mm.
Temperature variation will be noticeable over the next several days. The temperature is expected to swing from 8°C up to 17°C, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 0°C to 10°C.
With a maximum temperature of 17°C, Wednesday, Friday and Saturday will be the warmest days in Thunder Bay; Monday will be the coldest day, with the highest temperature of 8°C.
With a 21% probability, rainfall is forecasted only for next Wednesday. Predicted precipitation will be minimal at 1mm.
Temperature variation will be noticeable over the next several days. The temperature is expected to swing from 8°C up to 17°C, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 0°C to 10°C.
With a maximum temperature of 17°C, Wednesday, Friday and Saturday will be the warmest days in Thunder Bay; Monday will be the coldest day, with the highest temperature of 8°C.
Updated: Oct 20, 2026 @ 07:57:00 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
In Thunder Bay, predominantly cloudy and occasionally clear weather is anticipated for the next ten days.
Rainfall is expected only on next Wednesday. With a probability of 21%, minimal precipitation of 1mm is expected.
The maximum temperature will range between 8°C and 17°C, as the minimum temperature will be between 0°C and 10°C.
The warmest days will be Wednesday, Friday and Saturday, with a maximum of 17°C. The coldest day will be Monday, with a maximum of 8°C.
On Saturday, in Thunder Bay, the weather will be mostly cloudy.
On Saturday, the highest temperature will be 17°C, while the lowest temperature will be 6°C.
On Sunday, dry and sunny weather is expected throughout the day.
On Sunday, the highest temperature will be 13°C, while the lowest temperature will be 1°C.
