Your local weather forecast for today
Grimsby, ON — 1 hour detailed weather forecast
ON, Canada » Grimsby
Forecast for today, Thursday, December 18, 2025
19:00 |
+9° feels like: +6° |
A mix of sun and cloud
Relative humidity: 60%, pressure: 747 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
20:00 |
+9° feels like: +6° |
Light showers
Relative humidity: 64%, pressure: 745 mm Precipitations: 0.1 mm Wind: 22 km/h, south |
21:00 |
+9° feels like: +6° |
Light showers
Relative humidity: 67%, pressure: 744 mm Precipitations: 0.2 mm Wind: 22 km/h, south |
22:00 |
+9° feels like: +6° |
Light showers
Relative humidity: 71%, pressure: 743 mm Precipitations: 0.3 mm Wind: 22 km/h, south |
23:00 |
+9° feels like: +6° |
Light showers
Relative humidity: 71%, pressure: 741 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
00:00 |
+9° feels like: +6° |
Light showers
Relative humidity: 72%, pressure: 740 mm Precipitations: 0.1 mm Wind: 25 km/h, south |
01:00 |
+10° feels like: +6° |
Light showers
Relative humidity: 72%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
02:00 |
+9° feels like: +6° |
Rain
Relative humidity: 73%, pressure: 738 mm Precipitations: 0.3 mm Wind: 25 km/h, south |
03:00 |
+9° feels like: +6° |
Rain
Relative humidity: 77%, pressure: 737 mm Precipitations: 1.1 mm Wind: 22 km/h, south |
04:00 |
+9° feels like: +5° |
Rain
Relative humidity: 80%, pressure: 736 mm Precipitations: 2.0 mm Wind: 22 km/h, south |
05:00 |
+8° feels like: +5° |
Rain
Relative humidity: 84%, pressure: 736 mm Precipitations: 2.4 mm Wind: 22 km/h, southwest |
06:00 |
+5° feels like: +0° |
Rain
Relative humidity: 82%, pressure: 737 mm Precipitations: 1.0 mm Wind: 22 km/h, southwest |
07:00 |
+4° feels like: +-1° |
Rain
Relative humidity: 84%, pressure: 738 mm Precipitations: 0.8 mm Wind: 22 km/h, southwest |
08:00 |
+3° feels like: +-1° |
Light showers
Relative humidity: 83%, pressure: 738 mm Precipitations: 0.4 mm Wind: 22 km/h, southwest |
09:00 |
+3° feels like: +-1° |
Light showers
Relative humidity: 79%, pressure: 738 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
10:00 |
+3° feels like: +-2° |
Light showers
Relative humidity: 73%, pressure: 738 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
11:00 |
+2° feels like: +-3° |
Light snow
Relative humidity: 67%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
12:00 |
+1° feels like: +-5° |
Light snow
Relative humidity: 54%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
13:00 |
+1° feels like: +-6° |
Light snow
Relative humidity: 53%, pressure: 740 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
14:00 |
+1° feels like: +-6° |
Light snow
Relative humidity: 54%, pressure: 741 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
15:00 |
+1° feels like: +-6° |
Light snow
Relative humidity: 54%, pressure: 742 mm Precipitations: 0.1 mm Wind: 29 km/h, west |
16:00 |
0° feels like: -6° |
Light snow
Relative humidity: 54%, pressure: 743 mm Precipitations: 0.2 mm Wind: 29 km/h, west |
17:00 |
-1° feels like: -8° |
Snow
Relative humidity: 55%, pressure: 744 mm Precipitations: 0.1 mm Wind: 29 km/h, west |
18:00 |
-1° feels like: -9° |
Snow
Relative humidity: 59%, pressure: 746 mm Precipitations: 0.3 mm Wind: 29 km/h, west |
19:00 |
-2° feels like: -9° |
Snow
Relative humidity: 60%, pressure: 747 mm Precipitations: 0.2 mm Wind: 29 km/h, west |