Sudbury Weather: A Frosty Start, But A Thaw is Coming

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Frostbite can be prevented

Sudbury Wakes Up to a Deep Freeze, But Warmer Days are on the Horizon

Sudbury starts the day at -26°C with a wind chill of -34°C, but warmer days are ahead. Expect sun today, flurries Monday, and a mix of rain and snow midweek

Greater Sudbury is waking up to an ice-cold morning as temperatures sit at -26.3°C at 7:00 AM. The wind from the west-northwest at 8 km/h is making it feel even more brutal, with a wind chill of -34°C. The humidity is at 79%, and the barometric pressure is 102.3 kPa and rising, suggesting that today’s clear conditions will hold—for now. At least visibility is excellent at 32 km, if you dare to step outside.

Sunday: Bitter Cold, But Plenty of Sunshine

Today’s forecast brings plenty of sunshine, but don’t let that fool you—it’s still freezing. Winds will remain light, up to 15 km/h, but that’s enough to keep the wind chill at -33°C this morning and -12°C this afternoon. The risk of frostbite is high, so cover up any exposed skin. Despite the cold, the UV index sits at 2 (low), meaning you won’t need the sunscreen just yet.

Tonight, expect partly cloudy skies, but clouds will roll in after midnight. Winds stay light, but temperatures will drop to -14°C, with a wind chill of -20°C overnight.

Monday: Cloudy Skies and A Chance of Flurries

Monday starts off mainly cloudy, with a 60% chance of flurries in the afternoon. The temperature will climb to -1°C, but don’t be fooled—the morning will still be frigid with a wind chill of -20°C before improving to -7°C in the afternoon. Winds will pick up from the southwest at 20 km/h near noon, helping to bring in some warmth.

Monday night remains cloudy with a 30% chance of flurries, and the low will be a milder -6°C—a sign of the warmer air on the way.

Tuesday & Beyond: Snow or Rain?

Tuesday brings a 60% chance of rain or snow, with temperatures inching above freezing to a high of 1°C. Overnight, periods of rain or snow continue as the temperature holds steady at -1°C.

Wednesday continues the mixed bag of rain and snow, but temperatures will rise to a high of 3°C before dropping to -11°C overnight with more rain or snow expected.

Wardrobe Advice: Layer Up and Cover Up!

Today is not the day for shortcuts in winter dressing. A thick winter coat, thermal layers, insulated gloves, a hat, and a scarf are all non-negotiable, with frostbite risks in just minutes of exposure. By Monday, you might be able to ditch a layer or two in the afternoon. Waterproof gear will come in handy by Tuesday and Wednesday as rain and snow move in.

Sudbury Weather Trivia: March Madness?

Sudbury’s coldest March 2nd on record hit a bone-chilling -37.8°C in 1972, while the warmest soared to 9.4°C in 2002. While this year’s start is certainly on the cold end, the midweek thaw might just remind you that spring isn’t too far away.

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