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
Tuesday, August 4	24 ° / 16 °	Sunny	9 Km/h
Wednesday, August 5	22 ° / 11 °	Partly cloudy	7 Km/h
Thursday, August 6	26 ° / 11 °	Sunny	16 Km/h
Friday, August 7	24 ° / 14 °	Light rain shower	5 Km/h
Saturday, August 8	24 ° / 10 °	Overcast	3 Km/h
Sunday, August 9	22 ° / 10 °	Sunny	7 Km/h
Monday, August 10	19 ° / 12 °	Cloudy	8 Km/h
Tuesday, August 11	19 ° / 9 °	Light rain	12 Km/h
Wednesday, August 12	19 ° / 8 °	Patchy rain possible	10 Km/h
Thursday, August 13	22 ° / 10 °	Partly cloudy	8 Km/h
Friday, August 14	25 ° / 12 °	Patchy rain possible	7 Km/h
Saturday, August 15	22 ° / 13 °	Patchy rain possible	5 Km/h
Sunday, August 16	21 ° / 12 °	Sunny	5 Km/h
Monday, August 17	21 ° / 11 °	Sunny	7 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 26° C and 19° C. The hottest day in the next 2 weeks will be on August 6 and the coldest on August 10.

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

Yes, there will be around 4 days with rain and an overall rainfall of 3.5 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