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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Check the live forecast above for today’s conditions in Niagara-on-the-Lake. Highs and lows will fall within the range shown on the table; expect lake-breeze shifts and the typical humidity of this wine-country microclimate.
What is the weather in Niagara-on-the-Lake right now?
The live forecast above gives the current temperature, wind speed and direction, humidity, and barometric pressure for Niagara-on-the-Lake. Because the town sits on the shore of Lake Ontario, readings can change quickly when a lake breeze develops in the afternoon—so the hourly data in the forecast is your most reliable guide for the next few hours.
How does Niagara-on-the-Lake weather change by season?
Winters are cold but milder than inland Ontario, with average highs near 0 °C and occasional lake-effect snow. Summers are warm and humid; July and August highs typically reach the mid-to-high 20s °C. Spring and autumn bring crisp air and frequent shifts between sun and clouds. For a detailed look at monthly norms, see the weather in Niagara-on-the-Lake by month data in the live forecast above.
What is the best time to visit Niagara-on-the-Lake?
Late May to early October offers the most pleasant outdoor weather, with daytime highs between 20 °C and 28 °C and lower rainfall than in spring. For wine tours and festivals, September and October bring mild days and colourful vines.
Does it snow in Niagara-on-the-Lake?
Yes, the town receives lake-effect snow from Lake Ontario. Average snowfall is about 100–120 cm per season, with the heaviest accumulations from December to February. Check the weather warning page for advisories during storms.
How accurate are the weather in Niagara-on-the-Lake 10‑day forecasts?
Seven‑day predictions are generally reliable for temperature trends; the 10‑day outlook can shift due to lake influences. For the most trustworthy plan, use the Environment Canada short‑term forecast and the live hourly data above.