NetNewsLedger Weather Desk – Tuesday, May 20, 2025 – Sault Ste. Marie is greeting early risers with a brisk morning at 3°C under mostly cloudy skies, with a sharp east wind blowing at 19 km/h and gusting up to 33 km/h. That breeze is definitely making it feel cooler than it reads on the thermometer. Humidity is sitting at 59%, and pressure is at 102.4 kPa but falling, suggesting a few changes in the air, quite literally.
Today – Sunshine Returns, But Wind Sticks Around
Despite the early morning cloud, sunny skies will dominate today. However, hang onto your hats: east winds will ramp up to 30 km/h, gusting to 50. You’ll want to grab a windbreaker if you’re heading out. By the afternoon, Sault Ste. Marie will climb to a high of 18°C, making it a reasonably pleasant late-May day. The UV index hits 7, so sunscreen is a must if you’re spending time outdoors.
Tonight – A Calm, Clear Evening
Skies stay clear through most of the night, becoming partly cloudy near midnight. The wind picks back up from the east at 30 km/h, keeping things from cooling off too much, with an overnight low of 7°C.
Wednesday – A Cloudier Turn
Expect a mix of sun and cloud in the morning, gradually turning cloudy by midday. Winds shift throughout the day—starting east at 20 km/h gusting to 40, going light by late morning, and then turning northeast at 20 km/h in the afternoon. The high will be a comfortable 16°C, with another strong UV index of 6.
Thursday Forecast
A slightly unsettled day with a mix of sun and cloud and a 40 percent chance of showers. Cooler air returns, with a high of 10°C. Thursday night continues with cloudy skies and a 30 percent chance of showers, dipping to a low of 6°C.
Wardrobe Suggestions
Layer up for the chilly, windy start, but be ready to shed a layer by mid-afternoon. A windproof jacket will go a long way today, and don’t skip the sunscreen—that UV index will be sneaky high under the clear skies.
Sault Ste. Marie Weather Trivia
Did you know? Sault Ste. Marie holds a record May high of 32.2°C, set in 1977. We’re nowhere near that today—but hey, at least we’re not shovelling snow!
