WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Saturday, 27-Dec-2025 10:53 am
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Chance rain
Chance rain
Sunday
night
Cloudy
Cloudy
Monday

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

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Tuesday
night
Partly Cloudy
Partly Cloudy
<.1 in.
High: 45° Low: 27° High: 40° Low: 38° High: 51° Low: 21° High: 26° Low: 19°
          WCh: 7° WCh: 5°  
N
6
mph
Light breeze
NE→SE
calm

Calm
SSE
4
mph
Light breeze
S
9
mph
Gentle breeze
WSW
17-29→21-30
mph
Strong breeze
W
20-30
mph
Strong breeze
W
21-31
mph
Strong breeze
W
18-26→14-23
mph
Strong breeze
UV: 2
 Low 

 

This afternoon
 
Fair to partly cloudy. High 45°. Wind north around 6 mph.
Tonight
 
Partly cloudy. Low 27°. Wind northeast near calm in the evening, becoming southeast after midnight.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain in the afternoon. High 40°. Wind south-southeast around 4 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Sunday night
 
Dense overcast in the evening, becoming cloudy after midnight. Low 38°, but temperatures rising after midnight. Wind south around 9 mph.
Monday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Windy and relatively mild. High 51°, but temperatures falling in the afternoon. UV index up to 2. Wind west-southwest around 17 mph, gusting to 29 mph, in the morning, becoming 21 mph, gusting to 30 mph, in the afternoon.
Monday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Windy. Low 21°. Wind chill ranging from 7 to 25. Wind west around 20 mph, gusting to 30 mph.
Tuesday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Windy and cold. High 26°. Wind chill ranging from 5 to 11. Wind west around 21 mph, gusting to 31 mph.
Tuesday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Windy. Low 19°. Wind chill as low as 7. Wind west around 18 mph, gusting to 26 mph, in the evening, becoming 14 mph, gusting to 23 mph, after midnight.
Wednesday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Breezy. High 32°. Wind chill ranging from 7 to 23. Wind west around 13 mph, gusting to 23 mph.
Wednesday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 22°. Wind chill ranging from 15 to 22. Wind west around 7 mph in the evening, becoming southwest after midnight.

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