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

Sarnia 14 day forecast

Date	Temperatures		Wind
Saturday, September 19	21 ° / 14 °	Light rain	14 Km/h
Sunday, September 20	18 ° / 14 °	Light rain	29 Km/h
Monday, September 21	17 ° / 10 °	Overcast	24 Km/h
Tuesday, September 22	20 ° / 11 °	Partly cloudy	30 Km/h
Wednesday, September 23	13 ° / 11 °	Light rain shower	28 Km/h
Thursday, September 24	15 ° / 12 °	Light rain shower	21 Km/h
Friday, September 25	17 ° / 13 °	Clear	19 Km/h
Saturday, September 26	21 ° / 12 °	Clear	17 Km/h
Sunday, September 27	21 ° / 14 °	Clear	17 Km/h
Monday, September 28	21 ° / 13 °	Overcast	19 Km/h
Tuesday, September 29	18 ° / 15 °	Light rain shower	17 Km/h
Wednesday, September 30	18 ° / 15 °	Light rain shower	12 Km/h
Thursday, October 1	17 ° / 11 °	Patchy rain possible	27 Km/h
Friday, October 2	12 ° / 10 °	Overcast	18 Km/h
Further Ahead

Sarnia 14 days – weather graph

The weather in Sarnia for the next 14 days - FAQ

What will the temperature be in Sarnia during the next 14 days?

The temperature will range between 21° C and 12° C. The hottest day in the next 2 weeks will be on September 19 and the coldest on October 2.

Will it rain at Sarnia in the next 14 days?

Yes, there will be around 6 days with rain and an overall rainfall of 15.4 mm.

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

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

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

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

More about the weather in Sarnia