Our 14 day weather forecast for Thunder Bay becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.

Thunder Bay 14 day forecast

Date	Temperatures		Wind
Saturday, September 19	15 ° / 10 °	Overcast	5 Km/h
Sunday, September 20	13 ° / 9 °	Overcast	13 Km/h
Monday, September 21	11 ° / 9 °	Overcast	11 Km/h
Tuesday, September 22	12 ° / 7 °	Clear	14 Km/h
Wednesday, September 23	13 ° / 9 °	Clear	5 Km/h
Thursday, September 24	14 ° / 8 °	Cloudy	9 Km/h
Friday, September 25	16 ° / 11 °	Clear	9 Km/h
Saturday, September 26	16 ° / 12 °	Overcast	12 Km/h
Sunday, September 27	16 ° / 11 °	Light rain	15 Km/h
Monday, September 28	14 ° / 9 °	Partly cloudy	8 Km/h
Tuesday, September 29	10 ° / 7 °	Clear	6 Km/h
Wednesday, September 30	10 ° / 8 °	Clear	8 Km/h
Thursday, October 1	13 ° / 9 °	Clear	5 Km/h
Friday, October 2	14 ° / 10 °	Clear	5 Km/h
Further Ahead

Thunder Bay 14 days – weather graph

The weather in Thunder Bay for the next 14 days - FAQ

What will the temperature be in Thunder Bay during the next 14 days?

The temperature will range between 16° C and 10° C. The hottest day in the next 2 weeks will be on September 25 and the coldest on September 29.

Will it rain at Thunder Bay in the next 14 days?

Yes, there will be around 3 days with rain and an overall rainfall of 6.8 mm.

Can I see more details about the weather in Thunder Bay on a specific day?

Yes, you can click on any of the days in the gallery above, or check today and tomorrow weather in Thunder Bay's pages.

Do you have a weather forecast for Thunder Bay for more than 14 days?

You can check the Thunder Bay long range weather page, it is not a forecast, but it can give you an idea of how the weather in Thunder Bay will be like (based on past weather information).

More about the weather in Thunder Bay