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
Wednesday, May 6	5 ° / -4 °	Overcast	6 Km/h
Thursday, May 7	7 ° / -2 °	Patchy rain possible	9 Km/h
Friday, May 8	11 ° / -2 °	Overcast	6 Km/h
Saturday, May 9	10 ° / 2 °	Patchy rain possible	11 Km/h
Sunday, May 10	9 ° / 0 °	Patchy rain possible	8 Km/h
Monday, May 11	9 ° / -2 °	Partly cloudy	10 Km/h
Tuesday, May 12	8 ° / 0 °	Moderate rain	13 Km/h
Wednesday, May 13	10 ° / 3 °	Patchy rain possible	10 Km/h
Thursday, May 14	15 ° / 4 °	Patchy rain possible	12 Km/h
Friday, May 15	12 ° / 1 °	Sunny	8 Km/h
Saturday, May 16	13 ° / 1 °	Partly cloudy	9 Km/h
Sunday, May 17	15 ° / 4 °	Overcast	12 Km/h
Monday, May 18	21 ° / 11 °	Patchy rain possible	4 Km/h
Tuesday, May 19	10 ° / 8 °	Light rain	13 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 21° C and 5° C. The hottest day in the next 2 weeks will be on May 18 and the coldest on May 6.

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

Yes, there will be around 6 days with rain and an overall rainfall of 11 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