WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Sunday, 28-Dec-2025 10:53 am
 
This
afternoon
Overcast
Overcast
Tonight

Overcast
Overcast
Monday

Cloudy
Cloudy
Monday
night
Partly Cloudy
Cold!
Partly Cloudy
Cold!
Tuesday

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Wednesday
night
Partly Cloudy
Cold!
Partly Cloudy
Cold!
High: 42° Low: 39° High: 52° Low: 22° High: 27° Low: 20° High: 34° Low: 20°
      WCh: 10° WCh: 7°   WCh: 9° WCh: 11°
S
6
mph
Light breeze
S
9
mph
Gentle breeze
WSW
13-24→19-29
mph
Strong breeze
W
18-27
mph
Strong breeze
W
20-30
mph
Strong breeze
W
13-23
mph
Fresh breeze
WSW
11-21→14-23
mph
Fresh breeze
WSW→NW
12-21
mph
Fresh breeze

 

This afternoon
 
Dense overcast. High 42°. Wind south around 6 mph.
Tonight
 
Dense overcast. Low 39°, but temperatures rising after midnight. Wind south around 9 mph.
Monday
 
Cloudy in the morning, becoming partly to mostly sunny in the afternoon. Windy and relatively mild. High 52°. Wind west-southwest around 13 mph, gusting to 24 mph, in the morning, becoming 19 mph, gusting to 29 mph, in the afternoon.
Monday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Windy. Low 22°. Wind chill ranging from 10 to 30. Wind west around 18 mph, gusting to 27 mph.
Tuesday
 
Mostly sunny in the morning, becoming partly cloudy in the afternoon. Windy. High 27°. Wind chill ranging from 7 to 13. Wind west around 20 mph, gusting to 30 mph.
Tuesday night
 
Cloudy in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 20°. Wind chill as low as 9. Wind west around 13 mph, gusting to 23 mph.
Wednesday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Breezy. High 34°. Wind chill ranging from 9 to 24. Wind west-southwest around 11 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon.
Wednesday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 20°. Wind chill ranging from 11 to 23. Wind west-southwest around 12 mph, gusting to 21 mph, in the evening, becoming northwest after midnight.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 27°. Wind chill ranging from 10 to 17. Wind northwest around 10 mph, gusting to 20 mph.
Thursday night
 
Dense overcast in the evening, becoming partly to mostly cloudy after midnight. A chance of snow. Low 20°. Wind chill ranging from 12 to 23. Wind west around 4 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Snow accumulation about a quarter inch.

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