Your local weather forecast for today
Sarnia, ON — 1 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Tuesday, May 19, 2026
09:00 |
+21° feels like: +21° |
Clear
Relative humidity: 81%, pressure: 745 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
10:00 |
+23° feels like: +24° |
Clear
Relative humidity: 73%, pressure: 744 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
11:00 |
+25° feels like: +25° |
Clear
Relative humidity: 67%, pressure: 744 mm Precipitations: 0.1 mm Wind: 25 km/h, south |
12:00 |
+27° feels like: +28° |
Clear
Relative humidity: 62%, pressure: 744 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
13:00 |
+28° feels like: +29° |
Clear
Relative humidity: 59%, pressure: 744 mm Precipitations: 0.4 mm Wind: 22 km/h, southwest |
14:00 |
+28° feels like: +29° |
Light showers
Relative humidity: 61%, pressure: 744 mm Precipitations: 0.9 mm Wind: 25 km/h, southwest |
15:00 |
+25° feels like: +25° |
Chance of thunderstorms
Relative humidity: 73%, pressure: 744 mm Precipitations: 2.8 mm Wind: 14 km/h, southwest |
16:00 |
+25° feels like: +26° |
Chance of thunderstorms
Relative humidity: 73%, pressure: 743 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
17:00 |
+25° feels like: +25° |
Chance of thunderstorms
Relative humidity: 73%, pressure: 743 mm Precipitations: 0.1 mm Wind: 22 km/h, southwest |
18:00 |
+25° feels like: +25° |
Chance of thunderstorms
Relative humidity: 73%, pressure: 743 mm Precipitations: 0.1 mm Wind: 14 km/h, southwest |
19:00 |
+24° feels like: +25° |
Chance of thunderstorms
Relative humidity: 73%, pressure: 743 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
20:00 |
+23° feels like: +23° |
Chance of thunderstorms
Relative humidity: 75%, pressure: 743 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
21:00 |
+21° feels like: +21° |
Light showers
Relative humidity: 85%, pressure: 743 mm Precipitations: 1.6 mm Wind: 14 km/h, west |
22:00 |
+20° feels like: +20° |
Light showers
Relative humidity: 87%, pressure: 744 mm Precipitations: 0.5 mm Wind: 11 km/h, west |
23:00 |
+20° feels like: +20° |
Light showers
Relative humidity: 87%, pressure: 744 mm Precipitations: 0.1 mm Wind: 11 km/h, southwest |
00:00 |
+19° feels like: +19° |
Showers
Relative humidity: 91%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
01:00 |
+13° feels like: +13° |
Showers
Relative humidity: 95%, pressure: 745 mm Precipitations: 0.3 mm Wind: 18 km/h, north |
02:00 |
+9° feels like: +6° |
Showers
Relative humidity: 92%, pressure: 747 mm Precipitations: 1.4 mm Wind: 22 km/h, north |
03:00 |
+8° feels like: +4° |
Light showers
Relative humidity: 91%, pressure: 747 mm Precipitations: 0.3 mm Wind: 22 km/h, north |
04:00 |
+8° feels like: +4° |
Light showers
Relative humidity: 86%, pressure: 748 mm Precipitations: 0.1 mm Wind: 22 km/h, north |
05:00 |
+8° feels like: +4° |
Light showers
Relative humidity: 83%, pressure: 748 mm Precipitations: 0.1 mm Wind: 22 km/h, northeast |
06:00 |
+8° feels like: +4° |
A mix of sun and cloud
Relative humidity: 81%, pressure: 749 mm Precipitations: 0.0 mm Wind: 22 km/h, northeast |
07:00 |
+8° feels like: +5° |
A mix of sun and cloud
Relative humidity: 78%, pressure: 750 mm Precipitations: 0.0 mm Wind: 22 km/h, north |
08:00 |
+8° feels like: +5° |
A mix of sun and cloud
Relative humidity: 76%, pressure: 750 mm Precipitations: 0.0 mm Wind: 25 km/h, north |
09:00 |
+9° feels like: +6° |
Overcast
Relative humidity: 73%, pressure: 750 mm Precipitations: 0.0 mm Wind: 22 km/h, north |