WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Tuesday, 09-Dec-2025 02:53 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Wednesday

Freezing Rain
Cold!
Freezing Rain
Cold!
Wednesday
night
Rain and Snow
Cold!
Rain and Snow
Cold!
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Mostly Cloudy
Cold!
Mostly Cloudy
Cold!
Friday

Cloudy
Cold!
Cloudy
Cold!
Friday
night
Mostly Cloudy
Mostly Cloudy
<.1 in. <.1 in.
High: 29° Low: 23° High: 37° Low: 26° High: 30° Low: 18° High: 30° Low: 26°
    WCh: 15° WCh: 18°   WCh: 7° WCh: 9°  
SSE
9-17
mph
Moderate breeze
S
8
mph
Gentle breeze
SSW
10-16
mph
Moderate breeze
WSW→WNW
11-19
mph
Fresh breeze
WNW
16-26
mph
Strong breeze
WNW
13-21→10-17
mph
Fresh breeze
W→SW
6
mph
Light breeze
SSW
4
mph
Light breeze

 

This afternoon
 
Partly to mostly cloudy. High 29°. Wind chill around 18. Wind south-southeast around 9 mph, gusting to 17 mph.
Tonight
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 23°. Wind chill as low as 15. Wind south around 8 mph.
Wednesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of a mix of sleet, freezing rain, and snow in the morning, then a chance of a mix of rain, sleet, and snow in the afternoon. High 37°. Wind chill ranging from 15 to 28. Wind south-southwest around 10 mph, gusting to 16 mph. Chance of precipitation 50 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.
Wednesday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. A slight chance of a mix of snow, rain, and sleet in the evening, then a slight chance of a mix of snow and rain after midnight. Breezy. Low 26°. Wind chill ranging from 18 to 26. Wind west-southwest around 11 mph, gusting to 19 mph, in the evening, becoming west-northwest after midnight. Chance of precipitation 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow or ice (on ground) accumulation expected.
Thursday
 
Mostly sunny in the morning, becoming partly cloudy in the afternoon. Breezy. High 30°. Wind chill around 16. Wind west-northwest around 16 mph, gusting to 26 mph.
Thursday night
 
Clear in the evening, becoming mostly cloudy after midnight. Breezy and cold. Low 18°. Wind chill ranging from 7 to 14. Wind west-northwest around 13 mph, gusting to 21 mph, in the evening, becoming 10 mph, gusting to 17 mph, after midnight.
Friday
 
Cloudy in the morning, becoming dense overcast in the afternoon. High 30°. Wind chill ranging from 9 to 24. Wind west around 6 mph in the morning, becoming southwest in the afternoon.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 26°. Wind south-southwest around 4 mph.
Saturday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. High 34°. Wind chill ranging from 20 to 25. Wind west around 11 mph, gusting to 22 mph.
Saturday night
 
Dense overcast. A slight chance of snow in the evening, then a chance of snow after midnight. Low 23°. Wind west-northwest around 5 mph in the evening, becoming near calm after midnight. Chance of precipitation 50 percent. Precipitation (liquid equivalent) mostly around a tenth of an inch. Snow accumulation about an inch.

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Animated forecast icons courtesy of www.meteotreviglio.com.