WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Saturday, 17-Jan-2026 09:53 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Sunday

Snow
Snow
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

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

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Tuesday
night
Clear
Clear
Wednesday

Partly Cloudy
Cold!
Partly Cloudy
Cold!
<.1 in.
Low: 29° High: 35° Low: 20° High: 32° Low: 14° High: 22° Low: 11° High: 34°
      WCh: 13° WCh: 4° WCh: 2°   WCh: 3°
SSW→WNW
2
mph
Light air
NW
4-16→8-16
mph
Moderate breeze
WNW
5-15
mph
Moderate breeze
WSW
7-19→16-27
mph
Strong breeze
WSW
15-25→11-21
mph
Strong breeze
WSW
11-24→14-24
mph
Fresh breeze
WNW→SW
4-17
mph
Moderate breeze
SSW
8-23→16-26
mph
Strong breeze

 

Tonight
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Low 29°. Wind south-southwest around 2 mph in the evening, becoming west-northwest after midnight.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of snow in the morning, then a slight chance of snow in the afternoon. High 35°. Wind northwest around 4 mph, gusting to 16 mph, in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow accumulation expected.
Sunday night
 
Partly cloudy. Low 20°. Wind west-northwest around 5 mph, gusting to 15 mph.
Monday
 
Partly cloudy. Breezy. High 32°. Wind chill ranging from 13 to 22. Wind west-southwest around 7 mph, gusting to 19 mph, in the morning, becoming 16 mph, gusting to 27 mph, in the afternoon.
Monday night
 
Clear. Breezy and cold. Low 14°. Wind chill ranging from 4 to 14. Wind west-southwest around 15 mph, gusting to 25 mph, in the evening, becoming 11 mph, gusting to 21 mph, after midnight.
Tuesday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Breezy and cold. High 22°. Wind chill ranging from 2 to 9. Wind west-southwest around 11 mph, gusting to 24 mph, in the morning, becoming 14 mph, gusting to 24 mph, in the afternoon.
Tuesday night
 
Clear. Cold. Low 11°. Wind west-northwest around 4 mph, gusting to 17 mph, in the evening, becoming southwest after midnight.
Wednesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Breezy. High 34°. Wind chill ranging from 3 to 23. Wind south-southwest around 8 mph, gusting to 23 mph, in the morning, becoming 16 mph, gusting to 26 mph, in the afternoon.
Wednesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Low 28°. Wind chill as low as 21. Wind south-southwest around 10 mph, gusting to 21 mph, in the evening, becoming 5 mph after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.