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Sarnia, ON — 1 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Tuesday, September 16, 2025
Detailed hourly forecast

03:00

Clear
+13°
feels like: +13°
Clear
Relative humidity: 88%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 4 km/h, east
04:00

Clear
+12°
feels like: +12°
Clear
Relative humidity: 89%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 4 km/h, east
05:00

Sunny
+12°
feels like: +12°
Clear
Relative humidity: 89%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 0 km/h, east
06:00

Partly cloudy
+11°
feels like: +11°
Partly cloudy
Relative humidity: 89%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
07:00

Partly cloudy
+12°
feels like: +12°
Partly cloudy
Relative humidity: 89%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
08:00

Partly cloudy
+13°
feels like: +13°
Partly cloudy
Relative humidity: 88%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
09:00

Mainly sunny
+16°
feels like: +16°
Mainly sunny
Relative humidity: 79%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
10:00

Mainly sunny
+19°
feels like: +19°
Mainly sunny
Relative humidity: 69%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northeast
11:00

Mainly sunny
+22°
feels like: +22°
Mainly sunny
Relative humidity: 61%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northeast
12:00

Sunny
+23°
feels like: +23°
Clear
Relative humidity: 60%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northeast
13:00

Sunny
+24°
feels like: +24°
Clear
Relative humidity: 59%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, north
14:00

Sunny
+23°
feels like: +23°
Clear
Relative humidity: 59%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
15:00

Sunny
+23°
feels like: +23°
Clear
Relative humidity: 58%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
16:00

Sunny
+23°
feels like: +23°
Clear
Relative humidity: 58%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
17:00

Sunny
+23°
feels like: +23°
Clear
Relative humidity: 59%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
18:00

Sunny
+22°
feels like: +22°
Clear
Relative humidity: 65%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 11 km/h, north
19:00

Sunny
+20°
feels like: +20°
Clear
Relative humidity: 73%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 11 km/h, north
20:00

Sunny
+18°
feels like: +18°
Clear
Relative humidity: 80%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
21:00

Clear
+17°
feels like: +17°
Clear
Relative humidity: 84%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
22:00

Clear
+17°
feels like: +17°
Clear
Relative humidity: 88%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
23:00

Clear
+16°
feels like: +16°
Clear
Relative humidity: 92%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
00:00

Clear
+15°
feels like: +15°
Clear
Relative humidity: 93%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northeast
01:00

Clear
+14°
feels like: +14°
Clear
Relative humidity: 94%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northeast
02:00

Clear
+14°
feels like: +14°
Clear
Relative humidity: 95%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northeast
03:00

A mix of sun and cloud
+13°
feels like: +13°
A mix of sun and cloud
Relative humidity: 95%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northeast