WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Wednesday, 10-Dec-2025 10:53 am
 
This
afternoon
Rain and Snow
Rain and Snow
Tonight

Snow
Cold!
Snow
Cold!
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Partly Cloudy
Cold!
Partly Cloudy
Cold!
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Cloudy
Cloudy
Saturday
night
Cloudy
Cold!
Cloudy
Cold!
<.1 in. <.1 in.
High: 40° Low: 27° High: 31° Low: 17° High: 31° Low: 24° High: 33° Low: 23°
  WCh: 18°   WCh: 9°       WCh: 17°
S
10-16
mph
Moderate breeze
SW→WNW
8→12-19
mph
Fresh breeze
WNW
13-22
mph
Fresh breeze
WNW
11-19→7
mph
Fresh breeze
WNW
6
mph
Light breeze
SW
3
mph
Light air
WSW
5-15→12-22
mph
Fresh breeze
WNW
7-16
mph
Moderate breeze

 

This afternoon
 
Dense overcast. A chance of a mix of rain and snow. High 40°. Wind chill around 30. Wind south around 10 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow accumulation expected.
Tonight
 
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog. A chance of rain in the evening. Low 27°. Wind chill ranging from 18 to 31. Wind southwest around 8 mph in the evening, becoming west-northwest around 12 mph, gusting to 19 mph, after midnight. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow accumulation expected.
Thursday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Breezy. High 31°. Wind chill around 18. Wind west-northwest around 13 mph, gusting to 22 mph.
Thursday night
 
Clear in the evening, becoming partly cloudy after midnight. Cold. Low 17°. Wind chill ranging from 9 to 17. Wind west-northwest around 11 mph, gusting to 19 mph, in the evening, becoming 7 mph after midnight.
Friday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 31°. Wind west-northwest around 6 mph.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 24°. Wind southwest around 3 mph.
Saturday
 
Dense overcast in the morning, becoming cloudy in the afternoon. High 33°. Wind chill around 22. Wind west-southwest around 5 mph, gusting to 15 mph, in the morning, becoming 12 mph, gusting to 22 mph, in the afternoon.
Saturday night
 
Cloudy in the evening, becoming dense overcast after midnight. Low 23°. Wind chill ranging from 17 to 23. Wind west-northwest around 7 mph, gusting to 16 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of snow. Breezy and cold. High 25°. Wind chill ranging from 11 to 17. Wind northwest around 9 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow accumulation expected.
Sunday night
 
Clear. Breezy and cold. Low 17°. Wind chill ranging from 3 to 11. Wind northwest around 16 mph, gusting to 24 mph.

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