Weather.Knopka.ca
Your local weather forecast for today

Brockville, ON — 3 hour detailed weather forecast


ON, Canada » Brockville


Forecast for today, Saturday, April 18, 2026
Detailed forecast - 3 hours intervals

11:00

A mix of sun and cloud
+20°
feels like: +20°
A mix of sun and cloud
Relative humidity: 57%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 25 km/h, south
14:00

A mix of sun and cloud
+23°
feels like: +23°
A mix of sun and cloud
Relative humidity: 49%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 29 km/h, south
17:00

Overcast
+23°
feels like: +23°
Overcast
Relative humidity: 49%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 25 km/h, south
20:00

Showers
+17°
feels like: +17°
Showers
Relative humidity: 74%, pressure: 746 mm
Precipitations: 3.7 mm
Wind: 22 km/h, southwest
23:00

Rain
+13°
feels like: +13°
Rain
Relative humidity: 99%, pressure: 747 mm
Precipitations: 10.5 mm
Wind: 18 km/h, southwest
02:00

Rain
+8°
feels like: +5°
Rain
Relative humidity: 93%, pressure: 749 mm
Precipitations: 1.3 mm
Wind: 18 km/h, west
05:00

Rain
+5°
feels like: +2°
Rain
Relative humidity: 93%, pressure: 751 mm
Precipitations: 2.3 mm
Wind: 11 km/h, west
08:00

Showers
+4°
feels like: +2°
Showers
Relative humidity: 90%, pressure: 752 mm
Precipitations: 3.4 mm
Wind: 4 km/h, west
11:00

Overcast
+5°
feels like: +3°
Overcast
Relative humidity: 58%, pressure: 753 mm
Precipitations: 0.3 mm
Wind: 7 km/h, west