Sarnia weather — 10-day forecast
Temperature, rain, wind and feels-like in Sarnia, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 11:00 · NOAA HRRR model
7 °C
Mainly clear
Feels like 2 °C
Next 12 h
- 117°
- 128°
- 139°
- 149°
- 1510°
- 1611°
- 1711°
- 1811°
- 18:44Sunset
- 199°
- 207°
- 216°
- 225°
- 235°
↑ 11°17:00↓ 5°23:00
- Humidity
- 67 %
- Dew point
- 2 °C
- Gusts
- 27.8 km/h
- Clouds
- 41 %
- Pressure
- 1,030 hPa
Grid point 1.5 km away · 3.0 km grid · elevation 183 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 62.8µg/m³
- PM2.5
- 2.3µg/m³
- PM10
- 3.0µg/m³
- Nitrogen dioxide
- 1.7µg/m³
- Sulphur dioxide
- 1.7µg/m³
- Carbon monoxide
- 128.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Mainly clear
11°
5°
Sun
Clear sky
15°
2°
Mon
Clear sky
17°
3°
Tue
Clear sky
15°
8°
Wed
Mainly clear
15°
6°
Thu
Partly cloudy
15°
10°
Fri
Clear sky
15°
11°
Sat
Clear sky
15°
9°
Sun
Partly cloudy
18°
6°
Mon
Mainly clear
18°
9°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:46
- Daylight
- 10 h 58
- Sunset
- 18:44
Radiation · 13.9 MJ/m²
Today in Sarnia the mean temperature will be 7.7 °C — -3.0 °C against the normal for 17 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Sarnia