Weather Tweed, On | Canada Scene

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By Hannah Walsh, Municipal Affairs EditorReviewed by Andrew LeblancForecast data: Open-Meteo & Environment and Climate Change Canada

Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scene Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.

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Tweed, Ontario, experiences four distinct seasons, with cold, snowy winters and warm, humid summers. The best times to visit are late spring (May–June) and early autumn (September–October) for mild weather and fewer bugs.

As shown in the live forecast above, conditions in Tweed can shift quickly. The village lies in eastern Ontario’s Hastings County, about halfway between Toronto and Ottawa, so it gets a mix of lake-effect snow from Lake Ontario and continental air masses.

What is the weather like in Tweed by season?

Winter (December–February) brings average highs around -3°C to -5°C, with frequent snowfall and icy roads. Spring is cool and muddy until May. Summer (June–August) sees highs near 27°C, with occasional heat waves and thunderstorms. Autumn offers crisp days and vibrant foliage, especially in October.

When should I visit Tweed for the best weather?

For outdoor activities like hiking or fishing, plan for late May through June or September through early October. Snowbirds and March-break travellers should note that March can still be wintry, with lingering snow and below-freezing nights. Pack layers, a waterproof jacket, and sturdy boots if visiting between November and April.

Elevation~150 m

Average January low-14°C

Average July high27°C

Annual snowfall~180 cm

Does Tweed get a lot of snow?

Yes, Tweed receives about 180 centimetres of snow per year, mostly from December through March. Lake-effect snow from Lake Ontario can dump 10–20 cm in a single storm, so winter driving conditions can be challenging.

Is Tweed prone to severe thunderstorms?

Summer thunderstorms are common, especially in July and August. Some can become severe with heavy rain, strong winds, and hail. Check the weather warning page before heading out during storm season.

What is the best month for fall colours in Tweed?

Typically the first three weeks of October offer peak foliage, with maples and oaks turning brilliant red and orange. Mornings can be frosty, so pack a warm jacket and gloves for early starts.