WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Friday, 13-Nov-2026 03:53 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Fog late
Fog late
Saturday

Fog a.m.
Cold!
Fog a.m.
Cold!
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Sunny
Mostly Sunny
Monday
night
Clear
Clear
High: 48° Low: 27° High: 38° Low: 30° High: 32° Low: 18° High: 41° Low: 20°
    WCh: 20°          
NW
10-41
mph
Gale
NW
6-16
mph
Moderate breeze
NW
9-22→15-22
mph
Fresh breeze
NW
12-20
mph
Fresh breeze
WNW
10-16
mph
Moderate breeze
WNW
6
mph
Light breeze
NNW
8-15
mph
Moderate breeze
NNW
3
mph
Light air
UV: 2
 Low 

 

This afternoon
 
Partly to mostly cloudy. High 48°. Wind northwest around 10 mph, gusting to 41 mph.
Tonight
 
Fair to partly cloudy in the evening, becoming clear after midnight. Light to moderate fog after midnight. Low 27°. Wind northwest around 6 mph, gusting to 16 mph.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning. Breezy and cold. High 38°. Wind chill ranging from 20 to 28. Wind northwest around 9 mph, gusting to 22 mph, in the morning, becoming 15 mph, gusting to 22 mph, in the afternoon.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Breezy. Low 30°. Wind chill as low as 24. Wind northwest around 12 mph, gusting to 20 mph.
Sunday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Cold. High 32°. Wind chill around 22. Wind west-northwest around 10 mph, gusting to 16 mph.
Sunday night
 
Partly cloudy in the evening, becoming clear after midnight. Cold. Low 18°. Wind west-northwest around 6 mph.
Monday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. High 41°. UV index up to 2. Wind north-northwest around 8 mph, gusting to 15 mph.
Monday night
 
Clear. Cold. Low 20°. Wind north-northwest around 3 mph.
Tuesday
 
Sunny. High 47°. UV index up to 2. Wind west-northwest around 4 mph.
Tuesday night
 
Clear. Cold. Low 23°. Wind west-northwest around 2 mph.

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