WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Sunday, 15-Nov-2026 03:53 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Fog
Fog
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Partly Cloudy
Partly Cloudy
High: 51° Low: 34° High: 46° Low: 27° High: 48° Low: 29° High: 54° Low: 30°
               
NNW
10-42
mph
Gale
NNW
6-16
mph
Moderate breeze
NNW
8-17
mph
Moderate breeze
NW
3
mph
Light air
WNW
3
mph
Light air
NW→W
2
mph
Light air
W
3
mph
Light air
WSW
calm

Calm
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

This afternoon
 
Mostly cloudy. High 51°. Wind north-northwest around 10 mph, gusting to 42 mph.
Tonight
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 34°. Wind north-northwest around 6 mph, gusting to 16 mph.
Monday
 
Mostly cloudy to cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. High 46°. UV index up to 2. Wind north-northwest around 8 mph, gusting to 17 mph.
Monday night
 
Clear. Patchy light fog after midnight. Low 27°. Wind northwest around 3 mph.
Tuesday
 
Sunny. Patchy light fog in the morning. High 48°. UV index up to 2. Wind west-northwest around 3 mph.
Tuesday night
 
Clear. Patchy light fog. Low 29°. Wind northwest around 2 mph in the evening, becoming west after midnight.
Wednesday
 
Sunny. Patchy light fog in the morning. High 54°. UV index up to 2. Wind west around 3 mph.
Wednesday night
 
Clear in the evening, becoming partly cloudy after midnight. Low 30°. Wind west-southwest near calm.
Thursday
 
Sunny in the morning, becoming partly to mostly cloudy in the afternoon. High 55°. UV index up to 2. Wind west around 2 mph.
Thursday night
 
Mostly cloudy in the evening, becoming clear after midnight. Low 32°. Wind southwest around 2 mph in the evening, becoming west after midnight.

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