WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Tuesday, 13-Oct-2026 06:12 am
 
Today

Mostly Sunny
Mostly Sunny
Tonight

Fair
Fair
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Chance rain
Chance rain
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
<.1 in. <.1 in. <.1 in. <.1 in.
High: 80° Low: 57° High: 80° Low: 58° High: 70° Low: 58° High: 71° Low: 42°
              WCh: 36°
               
WSW
2→8-17
mph
Moderate breeze
SSW
6
mph
Light breeze
WSW
5
mph
Light breeze
N
4
mph
Light breeze
N→SE
5-15
mph
Moderate breeze
S
5→8
mph
Gentle breeze
S→WNW
12-23→20-29
mph
Strong breeze
WNW
18-27
mph
Strong breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 

 

Today
 
Mostly sunny. Warm. High 80°. UV index up to 5. Wind west-southwest around 2 mph in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Tonight
 
Fair. Low 57°. Wind south-southwest around 6 mph.
Wednesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. A chance of rain. Warm. High 80°. UV index up to 5. Wind west-southwest around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A chance of rain. Low 58°. Wind north around 4 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Thursday
 
Partly cloudy in the morning, becoming dense overcast in the afternoon. High 70°. UV index up to 4. Wind north around 5 mph, gusting to 15 mph, in the morning, becoming southeast in the afternoon.
Thursday night
 
Dense overcast. A chance of rain in the evening, then a slight chance of rain after midnight. Low 58°. Wind south around 5 mph in the evening, becoming 8 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Friday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Breezy and mild. High 71°. UV index up to 4. Wind south around 12 mph, gusting to 23 mph, in the morning, becoming west-northwest around 20 mph, gusting to 29 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Friday night
 
Fair in the evening, becoming partly cloudy after midnight. Windy. Low 42°. Wind chill ranging from 36 to 53. Wind west-northwest around 18 mph, gusting to 27 mph.
Saturday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Breezy and cool. High 49°. Wind chill ranging from 35 to 42. UV index up to 4. Wind west-northwest around 16 mph, gusting to 26 mph.
Saturday night
 
Clear, with moderate to heavy frost. Cold. Low 33°. Wind west-northwest around 4 mph, gusting to 18 mph.

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Animated forecast icons courtesy of www.meteotreviglio.com.