WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Monday, 08-Dec-2025 08:53 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Cold!
Mostly Cloudy
Cold!
Tuesday
night
Mostly Cloudy
Cold!
Mostly Cloudy
Cold!
Wednesday

Freezing Rain
Cold!
Freezing Rain
Cold!
Wednesday
night
Partly Cloudy
Cold!
Partly Cloudy
Cold!
Thursday

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

Mostly Cloudy
Cold!
Mostly Cloudy
Cold!
<.1 in.
Low: 13° High: 31° Low: 23° High: 34° Low: 25° High: 32° Low: 22° High: 32°
  WCh: 14° WCh: 15° WCh: 15° WCh: 16° WCh: 15°   WCh: 16°
NNE
5-15→calm
mph
Moderate breeze
S
calm→7-17
mph
Moderate breeze
S
8-16
mph
Moderate breeze
S
11-20
mph
Fresh breeze
W
14-22
mph
Fresh breeze
NW
12-21
mph
Fresh breeze
NW→W
5-16
mph
Moderate breeze
W
7-18
mph
Moderate breeze

 

Tonight
 
Partly cloudy in the evening, becoming fair after midnight. Cold. Low 13°. Wind north-northeast around 5 mph, gusting to 15 mph, in the evening, becoming near calm after midnight.
Tuesday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. High 31°. Wind chill ranging from 14 to 23. Wind south near calm in the morning, becoming 7 mph, gusting to 17 mph, in the afternoon.
Tuesday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 23°. Wind chill ranging from 15 to 20. Wind south around 8 mph, gusting to 16 mph.
Wednesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of snow in the morning, then a chance of a mix of snow, sleet, rain, and freezing rain in the afternoon. High 34°. Wind chill ranging from 15 to 24. Wind south around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Little or no snow or ice (on ground) accumulation expected.
Wednesday night
 
Cloudy in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 25°. Wind chill ranging from 16 to 24. Wind west around 14 mph, gusting to 22 mph.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming mostly sunny in the afternoon. Breezy. High 32°. Wind chill ranging from 15 to 22. Wind northwest around 12 mph, gusting to 21 mph.
Thursday night
 
Mostly cloudy to cloudy. Low 22°. Wind northwest around 5 mph, gusting to 16 mph, in the evening, becoming west after midnight.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. High 32°. Wind chill ranging from 16 to 26. Wind west around 7 mph, gusting to 18 mph.
Friday night
 
Mostly cloudy to cloudy. Low 25°. Wind southwest around 3 mph.

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