WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Wednesday, 24-Dec-2025 08:53 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mix
Cold!
Mix
Cold!
Friday
night
Rain Sleet
Cold!
Rain Sleet
Cold!
Saturday

Cloudy
Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
<.1 in. .25 in.
Low: 37° High: 50° Low: 26° High: 37° Low: 29° High: 36° Low: 26° High: 44°
      WCh: 22° WCh: 22°      
E→SSE
2
mph
Light air
SW→WNW
6-17
mph
Moderate breeze
N
8-17→5
mph
Moderate breeze
ENE→SSE
3→9-22
mph
Fresh breeze
SSE→NE
8-20→2
mph
Fresh breeze
N
4
mph
Light breeze
NE→NNW
calm

Calm
S
calm→5
mph
Light breeze

 

Tonight
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 37°. Wind east around 2 mph in the evening, becoming south-southeast after midnight.
Thursday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Relatively mild. High 50°. Wind southwest around 6 mph, gusting to 17 mph, in the morning, becoming west-northwest in the afternoon.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 26°. Wind north around 8 mph, gusting to 17 mph, in the evening, becoming 5 mph after midnight.
Friday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of a mix of sleet and snow in the morning, then a chance of a mix of sleet, snow, and rain in the afternoon. High 37°. Wind chill ranging from 22 to 32. Wind east-northeast around 3 mph in the morning, becoming south-southeast around 9 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow or ice (on ground) accumulation expected.
Friday night
 
Dense overcast in the evening, becoming cloudy after midnight. A mix of sleet, freezing rain, and rain likely in the evening, then a slight chance of a mix of freezing rain and sleet after midnight. Low 29°. Wind chill ranging from 22 to 30. Wind south-southeast around 8 mph, gusting to 20 mph, in the evening, becoming northeast around 2 mph after midnight. Chance of precipitation 70 percent. Precipitation (liquid equivalent) mostly around a quarter of an inch. Little or no ice (on ground) accumulation expected. Above-ground freezing rain accumulation up to 0.1 inches.
Saturday
 
Cloudy. High 36°. Wind north around 4 mph.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 26°. Wind northeast near calm in the evening, becoming north-northwest after midnight.
Sunday
 
Mostly cloudy. High 44°. Wind south near calm in the morning, becoming 5 mph in the afternoon.
Sunday night
 
Dense overcast. A chance of rain in the evening, then a slight chance of rain after midnight. Low 36°. Wind south around 5 mph in the evening, becoming 10 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.

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Animated forecast icons courtesy of www.meteotreviglio.com.