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 49%.
Long-term weather forecast
- Tuesday
- 20. Oct 2026
- 14°C
- 4°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 14km/hESE 119°
- Humidity: 75%
- 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: 16%
- Precipitation: 0mm
- Wind: 10km/hNNW 337°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:26 am EDT
- Sunset: 6:56 pm EDT
- details ▼
- Thursday
- 22. Oct 2026
- 14°C
- 6°C
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0mm
- Wind: 12km/hE 87°
- 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 135°
- 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: 49%
- Precipitation: 2mm
- Wind: 21km/hS 188°
- 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: 20km/hW 281°
- Humidity: 56%
- 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: 10%
- Precipitation: 0mm
- Wind: 14km/hNNW 336°
- Humidity: 66%
- UV index: 2
- Sunrise: 8:33 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Tuesday
- 27. Oct 2026
- 9°C
- 2°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 14km/hWNW 293°
- Humidity: 69%
- 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 230°
- Humidity: 64%
- UV index: 2
- Sunrise: 8:37 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Thursday
- 29. Oct 2026
- 9°C
- 2°C
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 19km/hW 279°
- Humidity: 65%
- UV index: 2
- Sunrise: 8:38 am EDT
- Sunset: 6:42 pm EDT
- details ▼
Looking ahead, conditions suggest a period of primarily gloomy and occasionally rain-soaked and sunny weather is forecasted.
With a 49% probability, rainfall is expected only on Saturday. The precipitation will be minimal at 2mm.
Temperature fluctuation will be noticeable over the next several days. Highs will range from 8°C to 17°C, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 0°C and 10°C.
With a maximum temperature of 17°C, Wednesday, Friday and Saturday will be the warmest days in Thunder Bay; the coldest day will be Monday, with a maximum of 8°C.
With a 49% probability, rainfall is expected only on Saturday. The precipitation will be minimal at 2mm.
Temperature fluctuation will be noticeable over the next several days. Highs will range from 8°C to 17°C, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 0°C and 10°C.
With a maximum temperature of 17°C, Wednesday, Friday and Saturday will be the warmest days in Thunder Bay; the coldest day will be Monday, with a maximum of 8°C.
Updated: Oct 20, 2026 @ 13:06:46 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 overcast and occasionally rainy and mostly clear weather is anticipated for the next ten days.
Rain is predicted only for Saturday. With a probability of 49%, minimal precipitation of 2mm is expected.
The maximum temperature will range between 8°C and 17°C, as the minimum temperature will range between 0°C and 10°C.
With a maximum temperature of 17°C, Wednesday, Friday and Saturday will be the warmest days. Monday will be the coldest day, with a maximum temperature of 8°C.
On Saturday, prepare for occasional showers in the afternoon.
On Saturday, there is a low probability of minimal rainfall in Thunder Bay.
On Saturday, the maximum temperature will be 17°C, while the minimum temperature will be 6°C.
On Sunday, mostly clear skies and sunshine will create ideal daytime conditions.
No, it will not rain on Sunday.
On Sunday, the highest temperature will be 13°C, while the lowest temperature will be 1°C.
