WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Saturday, 10-Jan-2026 08:53 pm
 
Tonight

Fog
Fog
Sunday

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

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Cloudy
Cloudy
Low: 36° High: 43° Low: 24° High: 39° Low: 24° High: 48° Low: 37° High: 47°
    WCh: 15° WCh: 14°        
W
3→8-15
mph
Moderate breeze
WNW
9-18→12-23
mph
Fresh breeze
WNW
14-23
mph
Fresh breeze
WNW
10-20
mph
Fresh breeze
SW
5
mph
Light breeze
SW
6-17
mph
Moderate breeze
S
7
mph
Light breeze
S→WSW
6
mph
Light breeze

 

Tonight
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. Low 36°. Wind west around 3 mph in the evening, becoming 8 mph, gusting to 15 mph, after midnight.
Sunday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 43°. Wind west-northwest around 9 mph, gusting to 18 mph, in the morning, becoming 12 mph, gusting to 23 mph, in the afternoon.
Sunday night
 
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Breezy. Low 24°. Wind chill ranging from 15 to 29. Wind west-northwest around 14 mph, gusting to 23 mph.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 39°. Wind chill ranging from 14 to 32. Wind west-northwest around 10 mph, gusting to 20 mph.
Monday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 24°. Wind southwest around 5 mph.
Tuesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Relatively mild. High 48°. Wind southwest around 6 mph, gusting to 17 mph.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 37°. Wind south around 7 mph.
Wednesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. High 47°. Wind south around 6 mph in the morning, becoming west-southwest in the afternoon.
Wednesday night
 
Dense overcast. Patchy light fog after midnight. A chance of a mix of rain and snow in the evening, then a chance of a mix of snow and rain after midnight. Low 30°. Wind west around 2 mph in the evening, becoming north-northwest after midnight. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly less than a quarter of an inch. Little or no snow accumulation expected.

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