WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Thursday, 01-Jan-2026 06:12 am
 
Today

Mostly Sunny
Cold!
Mostly Sunny
Cold!
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Mostly Sunny
Cold!
Mostly Sunny
Cold!
Friday
night
Partly Cloudy
Cold!
Partly Cloudy
Cold!
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Cloudy
Cloudy
Sunday

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Sunday
night
Partly Cloudy
Partly Cloudy
High: 27° Low: 18° High: 36° Low: 19° High: 34° Low: 17° High: 31° Low: 18°
WCh: 10°   WCh: 16° WCh: 12°     WCh: 10°  
NW
12-21
mph
Fresh breeze
NW→WSW
4
mph
Light breeze
W
3→9-18
mph
Moderate breeze
WNW
7
mph
Light breeze
NW
5
mph
Light breeze
NE→NNW
2
mph
Light air
WNW
7-21→14-23
mph
Fresh breeze
WNW
8-18→3
mph
Moderate breeze

 

Today
 
Mostly sunny. Breezy. High 27°. Wind chill ranging from 10 to 17. Wind northwest around 12 mph, gusting to 21 mph.
Tonight
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 18°. Wind northwest around 4 mph in the evening, becoming west-southwest after midnight.
Friday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. High 36°. Wind chill ranging from 16 to 28. Wind west around 3 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Friday night
 
Partly cloudy. Low 19°. Wind chill ranging from 12 to 25. Wind west-northwest around 7 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 34°. Wind northwest around 5 mph.
Saturday night
 
Cloudy in the evening, becoming fair after midnight. Low 17°. Wind northeast around 2 mph in the evening, becoming north-northwest after midnight.
Sunday
 
Sunny in the morning, becoming partly cloudy in the afternoon. High 31°. Wind chill ranging from 10 to 19. Wind west-northwest around 7 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon.
Sunday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 18°. Wind west-northwest around 8 mph, gusting to 18 mph, in the evening, becoming 3 mph after midnight.
Monday
 
Mostly cloudy in the morning, becoming dense overcast in the afternoon. High 32°. Wind chill ranging from 15 to 26. Wind south-southwest around 4 mph.
Monday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 27°. Wind south around 2 mph.

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