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 50%.
Long-term weather forecast
- Tuesday
- 20. Oct 2026
- 14°C
- 4°C
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 14km/hESE 110°
- 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: 11%
- Precipitation: 0mm
- Wind: 11km/hNNW 337°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:26 am EDT
- Sunset: 6:56 pm EDT
- details ▼
- Thursday
- 22. Oct 2026
- 15°C
- 6°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 11km/hE 90°
- Humidity: 80%
- 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: 24%
- Precipitation: 0mm
- Wind: 12km/hSE 133°
- Humidity: 84%
- UV index: 2
- Sunrise: 8:29 am EDT
- Sunset: 6:53 pm EDT
- details ▼
- Saturday
- 24. Oct 2026
- 17°C
- 6°C
PM Showers
- Precip. probability: 50%
- Precipitation: 2mm
- Wind: 21km/hS 186°
- Humidity: 73%
- 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: 8%
- Precipitation: 0mm
- Wind: 19km/hW 281°
- Humidity: 57%
- UV index: 2
- Sunrise: 8:32 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Monday
- 26. Oct 2026
- 8°C
- 0°C
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 14km/hNNW 334°
- Humidity: 66%
- 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: 5%
- Precipitation: 0mm
- Wind: 14km/hWNW 297°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:35 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Wednesday
- 28. Oct 2026
- 11°C
- 2°C
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0mm
- Wind: 18km/hSW 231°
- Humidity: 66%
- 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: 9%
- Precipitation: 0mm
- Wind: 18km/hW 277°
- Humidity: 66%
- UV index: 2
- Sunrise: 8:38 am EDT
- Sunset: 6:42 pm EDT
- details ▼
For the next ten days, a combination of primarily cloudy and occasionally bright and wet weather is predicted.
With a 50% probability, rainfall is predicted only for Saturday. Forecasted precipitation will be minimal at 2mm.
Temperature differences will be noticeable in the coming days. The maximum temperature will vary between 8°C and 17°C, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 0°C to 10°C.
The warmest days in Thunder Bay will be Wednesday, Friday and Saturday, with a maximum of 17°C; expect the coldest day on Monday with a high of 8°C.
With a 50% probability, rainfall is predicted only for Saturday. Forecasted precipitation will be minimal at 2mm.
Temperature differences will be noticeable in the coming days. The maximum temperature will vary between 8°C and 17°C, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 0°C to 10°C.
The warmest days in Thunder Bay will be Wednesday, Friday and Saturday, with a maximum of 17°C; expect the coldest day on Monday with a high of 8°C.
Updated: Oct 20, 2026 @ 11:13:54 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, a combination of predominantly cloudy and occasionally sun-filled and rain-soaked weather is predicted for the next ten days.
Rain is predicted only for Saturday. With a probability of 50%, minimal precipitation of 2mm is expected.
The maximum temperature will vary between 8°C and 17°C, as the minimum temperature will vary between 0°C and 10°C.
With a maximum temperature of 17°C, Wednesday, Friday and Saturday will be the warmest days. With a maximum temperature of 8°C, Monday will be the coldest day.
On Saturday, passing showers could bring some wet conditions later in the day.
On Saturday, there is a low chance of minimal precipitation in Thunder Bay.
On Saturday, the highest temperature will be 17°C, while the lowest temperature will be 6°C.
On Sunday, in Thunder Bay, sunshine will take center stage, with just faint traces of clouds.
No, it will not rain on Sunday.
On Sunday, the maximum temperature will be 13°C, while the minimum temperature will be 1°C.
