WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Thursday, 25-Dec-2025 02:50 pm
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Friday

Rain Sleet
Cold!
Rain Sleet
Cold!
Friday
night
Freezing Rain
Freezing Rain
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Cloudy
Cloudy
Sunday
night
Chance rain
Chance rain
<.1 in. <.25 in. <.1 in. .1 in.
High: 56° Low: 24° High: 37° Low: 30° High: 39° Low: 28° High: 41° Low: 37°
    WCh: 21°          
WNW
13-30
mph
Strong breeze
N
9-18→5
mph
Moderate breeze
ENE→SSE
3→7-17
mph
Moderate breeze
SSE→NNE
6-17→2
mph
Moderate breeze
NNE
4
mph
Light breeze
ENE→SE
2
mph
Light air
SE
4
mph
Light breeze
SE→SSW
6→10
mph
Gentle breeze

 

This afternoon
 
Fair to partly cloudy. Breezy and relatively mild. High 56°. Wind west-northwest around 13 mph, gusting to 30 mph.
Tonight
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 24°. Wind north around 9 mph, gusting to 18 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 slight chance of a mix of rain and sleet in the afternoon. High 37°. Wind chill ranging from 21 to 30. Wind east-northeast around 3 mph in the morning, becoming south-southeast around 7 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 20 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 chance of a mix of rain, sleet, and snow in the evening, then a slight chance of a mix of rain, sleet, snow, and freezing rain after midnight. Low 30°. Wind south-southeast around 6 mph, gusting to 17 mph, in the evening, becoming north-northeast around 2 mph after midnight. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly less than a quarter of an inch. No snow or ice (on ground) accumulation expected. Little if any freezing rain accumulation.
Saturday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 39°. Wind north-northeast around 4 mph.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 28°. Wind east-northeast around 2 mph in the evening, becoming southeast after midnight.
Sunday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the afternoon. High 41°. Wind southeast around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Sunday night
 
Dense overcast. A chance of rain in the evening, then a slight chance of rain after midnight. Low 37°, but temperatures rising after midnight. Wind southeast around 6 mph in the evening, becoming south-southwest around 10 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Monday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and relatively mild. High 52°, but temperatures falling in the afternoon. Wind southwest around 11 mph, gusting to 19 mph, in the morning, becoming west-northwest around 19 mph, gusting to 30 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. Windy. Low 24°. Wind chill ranging from 13 to 32. Wind west-northwest around 20 mph, gusting to 29 mph.

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