Weather forecast for 10 daysSarnia, Canada
10-day overview
Daily temperatures
Warmest day: Sunday 21°C.
Coldest day: Tuesday 27.10. 14°C.
Coldest day: Tuesday 27.10. 14°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 21%.
Long-term weather forecast
- Tuesday
- 20. Oct 2026
- 19°C
- 3°C
Sunny
- Precip. probability: 2%
- Precipitation: 0mm
- Wind: 9km/hNE 56°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:49 am EDT
- Sunset: 6:39 pm EDT
- details ▼
- Wednesday
- 21. Oct 2026
- 19°C
- 5°C
Sunny
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 6km/hESE 123°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:50 am EDT
- Sunset: 6:37 pm EDT
- details ▼
- Thursday
- 22. Oct 2026
- 19°C
- 4°C
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 17km/hN 352°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:51 am EDT
- Sunset: 6:36 pm EDT
- details ▼
- Friday
- 23. Oct 2026
- 18°C
- 4°C
Sunny
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 10km/hESE 123°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:53 am EDT
- Sunset: 6:34 pm EDT
- details ▼
- Saturday
- 24. Oct 2026
- 19°C
- 6°C
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 11km/hSSE 150°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:54 am EDT
- Sunset: 6:33 pm EDT
- details ▼
- Sunday
- 25. Oct 2026
- 21°C
- 9°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 16km/hSSW 194°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:55 am EDT
- Sunset: 6:31 pm EDT
- details ▼
- Monday
- 26. Oct 2026
- 18°C
- 6°C
Mostly Cloudy
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 14km/hNNW 344°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:56 am EDT
- Sunset: 6:30 pm EDT
- details ▼
- Tuesday
- 27. Oct 2026
- 14°C
- 4°C
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0mm
- Wind: 14km/hN 7°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:58 am EDT
- Sunset: 6:28 pm EDT
- details ▼
- Wednesday
- 28. Oct 2026
- 16°C
- 6°C
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 13km/hSSW 196°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:59 am EDT
- Sunset: 6:27 pm EDT
- details ▼
- Thursday
- 29. Oct 2026
- 16°C
- 8°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 18km/hSW 227°
- Humidity: 66%
- UV index: 3
- Sunrise: 8:00 am EDT
- Sunset: 6:26 pm EDT
- details ▼
Over the next ten days, conditions will reflect that a combination of cloud-filled and bright weather is expected.
Rainfall is not anticipated in Sarnia in the upcoming period.
Temperature variation will be noticeable across the forecast period. Forecast highs will fluctuate between 14°C and 21°C, while the low temperature range extends from 3°C to 9°C.
Sunday is expected to be the warmest, reaching up to 21°C; expect the coldest day on next Tuesday with a high of 14°C.
Rainfall is not anticipated in Sarnia in the upcoming period.
Temperature variation will be noticeable across the forecast period. Forecast highs will fluctuate between 14°C and 21°C, while the low temperature range extends from 3°C to 9°C.
Sunday is expected to be the warmest, reaching up to 21°C; expect the coldest day on next Tuesday with a high of 14°C.
Updated: Oct 20, 2026 @ 16:50:51 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 Sarnia, a combination of cloud-filled and mostly clear weather is forecasted for the next ten days.
The maximum temperature will range between 14°C and 21°C, while the minimum temperature will range between 3°C and 9°C.
The warmest day will be Sunday, with a maximum of 21°C. The coldest day will be next Tuesday, with a maximum of 14°C.
On Saturday, in Sarnia, sunny intervals will be long-lasting, with few disruptions.
On Saturday, the highest temperature will be 19°C, while the lowest temperature will be 6°C.
On Sunday, moments of sunshine will break through the patchy clouds.
On Sunday, the highest temperature will be 21°C, while the lowest temperature will be 9°C.
