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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 ·
For Hamilton this hour, the live forecast above shows the current temperature and sky condition, with the next few hours trending toward the pattern typical for this lakeshore city. Lake Ontario’s influence keeps Hamilton’s hourly changes more moderate than inland communities, though lake-effect clouds can linger near the harbour and the Niagara Escarpment.
What is the hourly forecast for Hamilton today?
The live forecast above provides the most precise hour-by-hour outlook for Hamilton. Near the waterfront, expect a slightly cooler breeze off Lake Ontario during the afternoon, while neighbourhoods south of the escarpment—like Ancaster and Dundas—often run a degree or two warmer. For a broader look ahead, the Hamilton weather 14 day and Hamilton weather 7 days pages give the longer view, including any shift from lake breeze to overnight cooling.
When will rain or snow arrive hour by hour?
Check the live forecast above for precipitation timing. Hamilton’s position between the lake and the escarpment can cause bands of rain or snow to form quickly, especially in a westerly flow. For real-time tracking, the weather radar Hamilton 24 hour loop is the best tool to see incoming systems before they reach the city. The weather network Hamilton 7 days also highlights the risk of lake-effect flurries in late autumn and winter.
Does the hourly forecast change much from the 7-day outlook?
Yes. The hourly forecast is updated more frequently—often every 60 minutes—and captures short-lived lake breezes or passing showers that a 7-day summary cannot. Always use the live forecast above for the next few hours.
Why does Hamilton feel cooler than Burlington some hours?
Hamilton’s industrial harbour and the escarpment’s shadow can trap cooler air near the lake, while Burlington, farther east along the shoreline, may catch a warmer westerly flow. The hourly data above reflects this local variation.
Where can I see the hourly wind speed for Hamilton?
The live forecast above includes wind direction and speed. For a deeper look at gust potential—especially near the Skyway Bridge or the escarpment brow—check the weather warning page if a wind advisory is active.