WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Thursday, 27-Nov-2025 08:53 pm
 
Tonight

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Friday

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

Mostly Sunny
Mostly Sunny
Saturday
night
Snow
Cold!
Snow
Cold!
Sunday

Freezing Rain
Freezing Rain
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Partly Cloudy
Partly Cloudy
<.1 in.
.5 in.
<.1 in.
Low: 25° High: 35° Low: 21° High: 39° Low: 30° High: 42° Low: 27° High: 38°
WCh: 15° WCh: 13° WCh: 14°   WCh: 20°      
W
11-24
mph
Fresh breeze
W
14-24
mph
Fresh breeze
W
11-20→8
mph
Fresh breeze
WNW
4
mph
Light breeze
SE
4→10-17
mph
Moderate breeze
S
11-18
mph
Moderate breeze
W
12-22→7-16
mph
Fresh breeze
NW→N
5-16
mph
Moderate breeze
UV: 2
 Low 

 

Tonight
 
Partly cloudy in the evening, becoming mostly clear after midnight. Breezy. Low 25°. Wind chill ranging from 15 to 24. Wind west around 11 mph, gusting to 24 mph.
Friday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Breezy. High 35°. Wind chill ranging from 13 to 24. Wind west around 14 mph, gusting to 24 mph.
Friday night
 
Mostly clear. Cold. Low 21°. Wind chill ranging from 14 to 21. Wind west around 11 mph, gusting to 20 mph, in the evening, becoming 8 mph after midnight.
Saturday
 
Mostly sunny. High 39°. UV index up to 2. Wind west-northwest around 4 mph.
Saturday night
 
Cloudy. A chance of snow after midnight. Low 30°. Wind chill ranging from 20 to 34. Wind southeast around 4 mph in the evening, becoming 10 mph, gusting to 17 mph, after midnight. Chance of precipitation 40 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Snow accumulation about half an inch.
Sunday
 
Cloudy. A slight chance of a mix of snow, sleet, freezing rain, and rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 42°. Wind south around 11 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow or ice (on ground) accumulation expected. Little if any freezing rain accumulation.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 27°. Wind west around 12 mph, gusting to 22 mph, in the evening, becoming 7 mph, gusting to 16 mph, after midnight.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 38°. Wind northwest around 5 mph, gusting to 16 mph, in the morning, becoming north in the afternoon.
Monday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. A mix of sleet and snow likely after midnight. Low 30°. Wind chill ranging from 24 to 34. Wind east around 5 mph in the evening, becoming southeast after midnight. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly around a quarter of an inch. Snow or ice (on ground) accumulation about a quarter inch.

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