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Sarnia, ON — 1 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Friday, March 20, 2026
Detailed hourly forecast

08:00

Overcast
+4°
feels like: +0°
Overcast
Relative humidity: 86%, pressure: 740 mm
Precipitations: 0.0 mm
Wind: 14 km/h, southwest
09:00

Rain
+5°
feels like: +1°
Rain
Relative humidity: 86%, pressure: 739 mm
Precipitations: 0.4 mm
Wind: 14 km/h, southwest
10:00

Rain
+6°
feels like: +3°
Rain
Relative humidity: 87%, pressure: 739 mm
Precipitations: 1.5 mm
Wind: 14 km/h, southwest
11:00

Rain
+7°
feels like: +5°
Rain
Relative humidity: 85%, pressure: 739 mm
Precipitations: 3.5 mm
Wind: 14 km/h, southwest
12:00

Showers
+8°
feels like: +5°
Showers
Relative humidity: 85%, pressure: 738 mm
Precipitations: 0.5 mm
Wind: 14 km/h, southwest
13:00

Showers
+10°
feels like: +10°
Showers
Relative humidity: 79%, pressure: 738 mm
Precipitations: 0.2 mm
Wind: 14 km/h, west
14:00

Showers
+11°
feels like: +11°
Showers
Relative humidity: 78%, pressure: 738 mm
Precipitations: 2.6 mm
Wind: 14 km/h, west
15:00

Sunny
+11°
feels like: +11°
Clear
Relative humidity: 76%, pressure: 738 mm
Precipitations: 0.0 mm
Wind: 18 km/h, northwest
16:00

Sunny
+10°
feels like: +7°
Clear
Relative humidity: 80%, pressure: 739 mm
Precipitations: 0.0 mm
Wind: 22 km/h, north
17:00

Sunny
+6°
feels like: +2°
Clear
Relative humidity: 81%, pressure: 739 mm
Precipitations: 0.0 mm
Wind: 25 km/h, north
18:00

Sunny
+5°
feels like: +1°
Clear
Relative humidity: 83%, pressure: 739 mm
Precipitations: 0.0 mm
Wind: 22 km/h, north
19:00

Sunny
+3°
feels like: +-1°
Clear
Relative humidity: 89%, pressure: 740 mm
Precipitations: 0.0 mm
Wind: 22 km/h, north
20:00

Sunny
+2°
feels like: +-2°
Clear
Relative humidity: 92%, pressure: 741 mm
Precipitations: 0.0 mm
Wind: 18 km/h, north
21:00

Clear
+2°
feels like: +-3°
Clear
Relative humidity: 91%, pressure: 742 mm
Precipitations: 0.0 mm
Wind: 18 km/h, north
22:00

Clear
+1°
feels like: +-3°
Clear
Relative humidity: 90%, pressure: 742 mm
Precipitations: 0.0 mm
Wind: 18 km/h, north
23:00

Clear
+1°
feels like: +-4°
Clear
Relative humidity: 88%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 18 km/h, north
00:00

Clear
+1°
feels like: +-4°
Clear
Relative humidity: 89%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
01:00

Clear

feels like: -4°
Clear
Relative humidity: 90%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
02:00

Clear

feels like: -4°
Clear
Relative humidity: 92%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
03:00

Overcast

feels like: -4°
Overcast
Relative humidity: 92%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 11 km/h, north
04:00

Overcast

feels like: -4°
Overcast
Relative humidity: 92%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 11 km/h, north
05:00

Overcast

feels like: -4°
Overcast
Relative humidity: 92%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northwest
06:00

A mix of sun and cloud
-1°
feels like: -4°
A mix of sun and cloud
Relative humidity: 92%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
07:00

A mix of sun and cloud

feels like: -4°
A mix of sun and cloud
Relative humidity: 92%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
08:00

A mix of sun and cloud

feels like: -4°
A mix of sun and cloud
Relative humidity: 92%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north