WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Wednesday, 17-Dec-2025 08:53 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Rain likely
Rain likely
Friday

Chance rain
Chance rain
Friday
night
Partly Cloudy
Cold!
Partly Cloudy
Cold!
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Cold!
Mostly Cloudy
Cold!
Sunday

Sunny
Sunny
.5 in. <.25 in.
Low: 32° High: 54° Low: 45° High: 50° Low: 23° High: 39° Low: 32° High: 43°
        WCh: 16°   WCh: 25°  
WNW→SE
4-15→calm
mph
Moderate breeze
SE
3→7-15
mph
Moderate breeze
SSE
7-16→14-21
mph
Fresh breeze
W
13-22→19-32
mph
Near gale
W
18-27→11-23
mph
Strong breeze
W→SSW
4→8-17
mph
Moderate breeze
S
9-16
mph
Moderate breeze
W
9-21→16-24
mph
Fresh breeze
UV: 2
 Low 

 

Tonight
 
Fair to partly cloudy. Low 32°. Wind west-northwest around 4 mph, gusting to 15 mph, in the evening, becoming southeast near calm after midnight.
Thursday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Relatively mild. High 54°. Wind southeast around 3 mph in the morning, becoming 7 mph, gusting to 15 mph, in the afternoon.
Thursday night
 
Dense overcast. A chance of rain in the evening, then rain likely after midnight. Relatively mild. Low 45°. Wind south-southeast around 7 mph, gusting to 16 mph, in the evening, becoming 14 mph, gusting to 21 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly around half an inch.
Friday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and relatively mild. High 50°, but temperatures falling in the afternoon. Wind west around 13 mph, gusting to 22 mph, in the morning, becoming 19 mph, gusting to 32 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch.
Friday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 23°. Wind chill ranging from 16 to 27. Wind west around 18 mph, gusting to 27 mph, in the evening, becoming 11 mph, gusting to 23 mph, after midnight.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. High 39°. Wind west around 4 mph in the morning, becoming south-southwest around 8 mph, gusting to 17 mph, in the afternoon.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 32°. Wind chill ranging from 25 to 30. Wind south around 9 mph, gusting to 16 mph.
Sunday
 
Sunny. Breezy. High 43°. UV index up to 2. Wind west around 9 mph, gusting to 21 mph, in the morning, becoming 16 mph, gusting to 24 mph, in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming clear after midnight. Breezy. Low 22°. Wind chill ranging from 12 to 30. Wind northwest around 13 mph, gusting to 24 mph.

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Animated forecast icons courtesy of www.meteotreviglio.com.