Raincoats Over Ray-Bans as Clouds Stick Around in the Nickel City
SUDBURY – WEATHER REPORT – May 23, 2025 – If you’re in Sudbury and hoping for a sunny start to your weekend, you might want to lower your expectations and raise your umbrella. The city greets Friday morning with a classic northern Ontario drizzle, and the theme seems to be “mostly moist” through the weekend. Rain showers and overcast skies dominate the forecast, so it’s time to make peace with puddles.
As of 6:00 AM at Greater Sudbury Airport, the temperature is sitting at 6.4°C, matching the dew point—a clear sign that the humidity is at a full 100%. With a light rain falling and visibility at a decent 16 km, it’s one of those days where everything feels just a bit damp. Winds are out of the north-northeast at 16 km/h, and the barometric pressure is 101.0 kPa and falling, hinting at continued unsettled weather.
Weekend Weather Forecast – Cloudy with a Chance of… More Clouds
Today:
Expect periods of rain through the day with a high of 10°C. The UV index is 1, which is low—no sunburn risk here, unless you’ve recently relocated from Mars.
Tonight:
Clouds linger with a 60% chance of showers, and the wind will strengthen a bit, shifting to the north at 20 km/h by morning. Overnight low stays at a damp and chilly 6°C.
Saturday, May 24:
Another cloudy day awaits with a 40% chance of showers. Winds stick around from the north at 20 km/h before easing off later in the morning. Temperatures edge up slightly to a high of 13°C, and the UV index creeps up to 3, a moderate level that might call for sunscreen if the clouds part long enough for a sunbeam to sneak through.
Saturday Night:
More cloudy skies with a 40% chance of showers, and temperatures dipping to 7°C.
Sunday, May 25:
A glimmer of hope! We’re looking at a mix of sun and cloud, though there’s still a 30% chance of showers. The high reaches a relatively mild 15°C, giving you a reason to venture outdoors—preferably with a waterproof jacket still in tow.
Sunday Night:
Cloudy periods and an overnight low of 8°C cap off this dampened weekend.
What to Wear – Style it Stormproof
Sudbury locals, keep it cozy and dry! Waterproof jackets, rubber boots, and layers are the go-to this weekend. It’s the kind of weather that laughs at canvas shoes and cotton hoodies. With gusty winds and persistent dampness, a fleece-lined raincoat might just be your new best friend. And don’t forget a hat—both for warmth and for shielding your face from those surprise sprinkles.
Historic Temperatures – Flashbacks from the Sudbury Sky
On this date in Sudbury weather history, the record high was a warm 29.5°C, set in 1978. That’s a stark contrast to today’s forecasted high of 10°C. Meanwhile, the record low sits at -2.8°C, recorded back in 1972. So yes—it could be worse, and historically speaking, it has been.
Weather Trivia – The Science of Sudbury Showers
Here’s a bit of northern Ontario trivia to brighten your rainy day: Sudbury, situated on the Canadian Shield, often sees prolonged rain patterns thanks to slow-moving low-pressure systems that get “stuck” over the rugged terrain. That’s meteorological speak for “better keep your boots handy!”