Home › Weather › Caledonia Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Edition Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Caledonia under a mix of sun and cloud this afternoon, with temperatures climbing a few degrees above seasonal norms for early spring. A weak cold front arrives overnight, so expect showers to develop by dawn and a noticeably cooler feel for your Friday commute along the Grand River valley.
What will the weather be like in Caledonia today?
Humidity remains moderate through the afternoon as southwesterly winds pick up slightly, gusting near 30 km/h. No storm risk is expected, but you may want a light jacket if you’re heading down to the riverfront or the trails near Caledonia Lions Park. The UV index is moderate—sunblock still advised if you’re spending the afternoon outdoors.
Will it rain tomorrow and into the weekend?
Yes—the best chance for steady rain arrives Friday morning, tapering to scattered showers by early afternoon. The weather network Caledonia 7 day forecast suggests a drying trend Saturday with clearing skies, though a few lake-effect clouds may linger near the Hamilton escarpment. Sunday looks milder and mainly sunny.
What’s the best time to travel through Caledonia this week?
Friday morning’s rain will slow Highway 6 near the Grand River bridge, so aim for a midday departure. Weather in Caledonia tomorrow improves by late afternoon, making the drive easier for anyone heading toward Brantford or Hamilton.
Is there any severe weather expected?
No. The passage of a low‑pressure system will bring only light rain and a modest wind shift. No watches or warnings are in effect for Haldimand County. You can check our Weather Warning page if conditions change.
Where can I find the caledonia weather radar?
Environment and Climate Change Canada’s King City radar covers this region with good resolution. The caledonia weather network also offers live radar loops. For weather caledonia ontario hourly details, the live forecast above updates every few minutes.