WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Wednesday, 30-Sep-2026 09:12 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Chance rain
Chance rain
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Chance rain
Chance rain
<.25 in. .1 in.
Low: 60° High: 81° Low: 61° High: 80° Low: 58° High: 72° Low: 57° High: 62°
               
S
3
mph
Light air
SSW
5
mph
Light breeze
S→SW
6
mph
Light breeze
WSW
8-19
mph
Fresh breeze
N
6
mph
Light breeze
N
7-17
mph
Moderate breeze
ENE
2
mph
Light air
E
3
mph
Light air
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 

 

Tonight
 
Mostly cloudy. Low 60°. Wind south around 3 mph.
Thursday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 81°. UV index up to 5. Wind south-southwest around 5 mph.
Thursday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 61°. Wind south around 6 mph in the evening, becoming southwest after midnight.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Warm. High 80°. UV index up to 5. Wind west-southwest around 8 mph, gusting to 19 mph.
Friday night
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 58°. Wind north around 6 mph. Chance of precipitation 50 percent. Precipitation mostly less than a quarter of an inch.
Saturday
 
Partly cloudy. High 72°. UV index up to 5. Wind north around 7 mph, gusting to 17 mph.
Saturday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 57°. Wind east-northeast around 2 mph.
Sunday
 
Dense overcast. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 62°. Wind east around 3 mph. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Sunday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 54°. Wind east-northeast around 2 mph in the evening, becoming northwest after midnight. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.

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