Weather Forecast for Sault Ste. Marie – Cloudy Comfort with Subtle Spring Breezes
Mild Start, Cloudy Skies, and Calm Winds
Sault Ste. Marie, ON – Thursday, May 22, 2025: The Soo is easing into Thursday with a calm and cloudy morning that feels more like early spring than late May. At 5:00 AM at the Sault Ste. Marie Airport, the temperature is a mild 7.7°C under mostly cloudy skies. Humidity sits at 72%, with a dew point of 2.9°C, keeping the air fresh but not overly damp. Winds are light from the west-northwest at just 5 km/h, and visibility is excellent at 24 km. The barometric pressure is 101.1 kPa and falling, suggesting unsettled conditions may be on the horizon — though nothing too dramatic.
Today’s forecast holds steady with cloudy skies throughout, and temperatures expected to climb to a comfortable high of 12°C. With winds remaining generally light, there’s no need to brace for gusts, and the UV index is a moderate 4, so you won’t be burning in a rush, but sun protection is still smart for longer periods outdoors.
Cloudy Periods Tonight, Slight Chance of Showers Ahead
Tonight, skies will remain cloudy with some breaks possible, and conditions will stay dry for the most part. The temperature will dip to a low of +2°C, just cool enough to warrant a blanket and maybe a reminder that we’re not quite into summer nights yet.
Friday is shaping up to bring a mix of sun and cloud with a 60% chance of showers, especially later in the day. Expect a high around 12°C, and Friday night will feature cloudy periods and a 30% chance of showers, with a low of +1°C.
Weekend Outlook: Mostly Dry with Brighter Skies on the Way
Saturday continues the mostly cloudy theme, though things begin to dry out. Skies will be mostly cloudy, and temperatures will climb slightly higher, reaching a high of around 14°C. By Sunday, conditions begin to improve more noticeably with a mix of sun and cloud and highs rising to 16°C — finally edging closer to typical late-May expectations.
What to Wear?
Today’s wardrobe is all about comfort: think a hoodie or light jacket and something to layer underneath in case the clouds decide to open. With mild winds and average temps, you can probably leave the umbrella at home — just don’t forget to bring it tomorrow.
Historic Temperatures for May 22
On this date, Sault Ste. Marie has seen it all — from a record high of 30.6°C to a record low of -2.2°C. Today’s 8°C is firmly in the middle of the pack, offering neither extremes nor excitement — which, in weather terms, might be the biggest win.
Sault Weather Trivia
Did you know Sault Ste. Marie sits at a climatic crossroads? Thanks to its position between Lake Superior and Lake Huron, the city often gets a mix of maritime and continental air masses — giving it a weather personality that’s always a little hard to pin down. One minute: clouds. The next? Sunshine, or snow if it’s moody enough!
