WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Sunday, 07-Jun-2026 10:53 am
 
This
afternoon
Clear
Clear
Tonight

Mostly Clear
Mostly Clear
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Thunder storm
Thunder storm
Wednesday
night
Thunder storm
Thunder storm
.1 in. <.1 in.
High: 83° Low: 59° High: 79° Low: 55° High: 81° Low: 63° High: 77° Low: 65°
               
WNW
10-18
mph
Moderate breeze
NNE
6-16
mph
Moderate breeze
E
6-16
mph
Moderate breeze
SE
5-16
mph
Moderate breeze
S
6-17→9-18
mph
Moderate breeze
S
5-15
mph
Moderate breeze
SSW
8-17
mph
Moderate breeze
WSW
4
mph
Light breeze
UV: 8
 Very High 
UV: 7
 High 
UV: 7
 High 
UV: 6
 High 

 

This afternoon
 
Clear. Warm. High 83°. UV index up to 8. Wind west-northwest around 10 mph, gusting to 18 mph.
Tonight
 
Clear in the evening, becoming mostly clear after midnight. Low 59°. Wind north-northeast around 6 mph, gusting to 16 mph.
Monday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. High 79°. UV index up to 7. Wind east around 6 mph, gusting to 16 mph.
Monday night
 
Partly cloudy. Low 55°. Wind southeast around 5 mph, gusting to 16 mph.
Tuesday
 
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. High 81°. UV index up to 7. Wind south around 6 mph, gusting to 17 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Tuesday night
 
Partly cloudy in the evening, becoming dense overcast after midnight. Low 63°. Wind south around 5 mph, gusting to 15 mph.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thundershowers possible. High 77°. UV index up to 6. Wind south-southwest around 8 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Wednesday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Scattered thunderstorms likely. Low 65°. Wind west-southwest around 4 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Thursday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Thunderstorms very likely, some possibly severe. Warm. High 83°. UV index up to 5. Wind west-northwest around 7 mph, gusting to 15 mph. Chance of precipitation 50 percent. Precipitation mostly less than a quarter of an inch.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. Light to moderate fog. Rain very likely. Thunderstorms very likely, some possibly severe. Low 69°. Wind east around 3 mph. Chance of precipitation 80 percent. Precipitation mostly around an inch.

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