Greater Sudbury Weather: A Chilly Forecast for the Week

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Winter Weather Update

Winter Stays in Charge

The Greater Sudbury region is waking up to a frosty morning under light snow, with biting wind chills making it feel much colder than the thermometer suggests. Bundle up—it’s a day where winter gear isn’t optional.


Current Conditions

As of 6:00 AM EST, the temperature is -14°C, but the wind chill makes it feel like -23°C. Light snow is falling, and visibility is good at 24 km. Winds are from the north-northwest at 20 km/h, gusting to 33 km/h, with a humidity level of 77%. The barometric pressure is at 102.2 kPa and rising, signaling clearing skies ahead.


Today’s Forecast: Cold with a Side of Sun and Cloud

The day will bring a mix of sun and clouds, with a 30% chance of early-morning flurries. Winds from the north will blow at 20 km/h, gusting to 40 km/h, keeping the temperature steady near -14°C. However, the wind chill will make it feel closer to -26°C, so frostbite remains a concern. The UV index is 1 (low)—no need for sunglasses today.


Tonight: Clear Skies, Colder Air

Skies will clear tonight, with the wind continuing at 20 km/h from the north. Temperatures will plummet to -22°C, with a wind chill near -30°C. Frostbite can develop in minutes, so make sure to limit exposure to the cold.


The Week Ahead

Wednesday, January 8
Sunny skies dominate, but it will be bitterly cold with a high of -18°C. Morning wind chills of -33°C will improve slightly to -25°C in the afternoon. Frostbite risk remains high.
Overnight: Cloudy periods and a low of -19°C.

Thursday, January 9
Another sunny day with a slightly warmer high of -10°C.
Overnight: Clear skies persist, with a low of -19°C.

Friday, January 10
A mix of sun and clouds with a 60% chance of snow. The high will be -8°C.
Overnight: Continued snow chances with a low of -12°C.


Historical Temperatures for January 7

Sudbury has seen its fair share of weather extremes on this date:

  • Record High: 4.4°C
  • Record Low: -37.2°C

What to Wear?

This is no time to skimp on winter gear. A heavy-duty winter coat, thermal layers, insulated gloves, and a warm hat are a must. Cover any exposed skin to protect against frostbite. Boots with good traction are essential for navigating icy patches.


Did You Know?

Sudbury’s cold weather can make cars stubborn to start, especially in sub-30°C wind chills. A block heater can keep your engine warm overnight and save you from morning frustrations!

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