A Chilly Wake-Up Call and a Windy Afternoon Ahead

Sudbury starts mild at 3°C before a sharp temperature drop to -7°C this afternoon. Expect wind chills near -15°C and a frigid night. A warm-up is on the way!

Greater Sudbury is starting the day at a mild 3.2°C under mostly cloudy skies, but don’t get too comfortable—the temperature is set to drop fast. The wind is currently blowing from the west-southwest at 15 km/h, and humidity sits at 77%, giving the air a damp feel.

With a pressure of 99.3 kPa and falling, some changes are definitely brewing. Visibility is excellent at 24 km, but a mix of rain and snow could briefly shake things up this morning.

Expect a 40% chance of rain showers early, followed by a 40% chance of flurries later this morning. As the day progresses, skies will clear, but northwest winds will ramp up to 30 km/h, gusting to 50 km/h. The real kicker?

Temperatures will nosedive to -7°C by this afternoon, and with the wind chill, it’ll feel more like -15°C. The UV index is at a moderate 3, so a little sun protection isn’t a bad idea if you’re outside.

Tonight, the skies remain clear at first before turning partly cloudy after midnight. Winds will ease to 20 km/h before becoming light, but with a low of -15°C and a wind chill of -17°C, it’s shaping up to be a frigid night.

Time to break out the warmest blankets!

Midweek: A Cold Start with Warmer Days Ahead

Wednesday will be mainly cloudy, with light winds up to 15 km/h. The high will struggle to reach -1°C, but the morning will be especially harsh, with a wind chill of -19°C. By the afternoon, things improve slightly, but it will still feel like -4°C. The UV index remains at 3.

Wednesday night brings cloudy periods and a 30% chance of flurries, with temperatures dipping to -9°C.

By Thursday, the sun makes a grand return, pushing temperatures up to 6°C—finally, a taste of spring again! The night will turn cloudy, with a low of -1°C.

Looking Ahead: A Spring Warm-Up with Some Showers

Friday continues the warming trend, with a mix of sun and cloud and a 30% chance of showers. The high will hit 11°C, making it the warmest day of the week. However, the night stays cloudy with a continued 30% chance of showers and a low of 3°C.

What to Wear?

Today is a day for layers—what starts as mild will turn into a deep freeze by the afternoon. A warm winter coat, gloves, and a hat are essential for later in the day, especially with the biting wind chill.

Tomorrow morning will feel even colder, so full winter gear is recommended.

By Thursday and Friday, you can start shedding some layers as temperatures climb back into the comfortable zone.

Sudbury Weather Trivia: A Tale of Extremes

March 11 has seen some wild weather in Sudbury. The warmest temperature on record for this date was a balmy 16.1°C in 1995, while the coldest was a bone-chilling -29.4°C in 1972. Today’s rollercoaster drop isn’t the most dramatic, but it’s still a reminder that March can be full of surprises!