Sudbury Snow Show: Light Flurries and Chilly Winds with Sunshine Ahead

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Light Snow and Cold Breezes Kick Off the Week

SUDBURY – Weather Report – March 25, 2025: Good morning from the snowy streets of Sudbury, where winter just won’t quit. At 6:00 AM, temperatures are sitting at a crisp -5.3°C at Greater Sudbury Airport, and light snow is softly blanketing the region.

The wind from the north-northwest is cruising in at 10 km/h, dragging the wind chill down to -10°C, enough to make you second-guess that spring jacket. Barometric pressure is currently 100.6 kPa and rising, while humidity hangs at 85%—perfect conditions to keep the flurries floating.

Today’s forecast calls for continued periods of light snow, with the wind shifting north at 20 km/h before calming later this morning. The high will barely scrape up to -2°C, but it’ll still feel colder, with a wind chill of -13 this morning and -6 this afternoon.

The UV index is just 1, so sunglasses can probably stay in the drawer today—but keep that toque handy!

Tonight and Wednesday: Cold Nights and Clearer Skies

This evening, expect lingering periods of light snow to taper off overnight, leaving behind mainly cloudy skies. Winds will pick back up from the north at 20 km/h later tonight. The mercury will drop to a low of -9°C, and with the wind, it will feel closer to -16°C. Yes, that’s still “where are my thermal socks?” territory.

Wednesday brings a welcome shift, as sunshine makes a bold comeback. The day will be mainly sunny with a high of +2°C. Morning wind chills will bite, feeling like -17°C, so don’t get fooled by the clear skies. North winds will remain steady at 20 km/h, and the UV index bumps up to 3—moderate enough to make sunglasses worth the grab. Wednesday night will be clear and cold, with a low of -11°C.

Thursday and Friday: Flurries, Rain Showers, and Mixed Messages

Thursday’s forecast is the meteorological version of a coin toss—expect a mix of sun and cloud with a 60 percent chance of either rain showers or flurries. A high of +5°C might tempt a lighter jacket, but the skies could still surprise you. Cloudy conditions return Thursday night with a low of -9°C.

By Friday, clouds hold their ground with a 30 percent chance of flurries during the day and a cooler high of -3°C. Friday night sees the chance of snow increase to 60 percent, and the low hovers again at -9°C. Basically, winter isn’t quite ready to leave the party.

Dress for Success: Sudbury Style

Layer up like a Sudburian pro today. You’ll need a warm winter coat, gloves, and something to shield your face from that wind chill. Waterproof boots are a wise pick too, especially with fresh snow underfoot. Sunglasses may come in handy Wednesday, but thermal wear stays on the roster all week.

Historic Weather Snapshot:

March 25th in Sudbury has seen extremes—balmy highs of 15.6°C in 1945 and a bone-chilling low of -28.3°C way back in 1974. So, compared to that, today’s -5°C feels downright reasonable… sort of.

Weather Trivia – Sudbury Edition:

Did you know Greater Sudbury is among Ontario’s snowiest cities? It averages over 260 cm of snowfall annually! So if you feel like you’re constantly shovelling, you’re not imagining things—it’s basically an Olympic sport here.

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