Pack away the t-shirts.
A strong cold front from Canada is bringing freezing overnight lows and widespread frost to the tri-state area starting this Friday.
A dramatic weekend cool down
Summer made a brief comeback this week. That warm stretch is officially over.
A massive cold front is pushing Canadian air into the tri-state area today. You will feel a sharp temperature drop starting this Friday.
The brisk winds will persist throughout the entire weekend.
Frost warnings across the region
Saturday afternoon will feel decidedly like autumn. Highs will barely reach the 50s on Saturday.
Once the sun sets, you need to bundle up. Overnight lows will plummet into the 30s and 40s.
Forecasters expect widespread frost across the region. Areas just north and west of New York City will see the heaviest frost.
This sudden freeze will officially end the growing season for many local communities.

Looking ahead to the workweek
Sunday offers little relief from the cold. Temperatures will stay trapped in the 50s all afternoon.
You will definitely need a proper coat if you head out for brunch.
Fortunately, this bitter chill will not overstay its welcome. Milder air returns to the region on Monday.
Expect much warmer, comfortable temperatures as you start the new workweek.
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