WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Saturday, 13-Jun-2026 03:12 pm
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Thunder storm
Thunder storm
Sunday
night
Thunder storm
Thunder storm
Monday

Fog a.m.
Fog a.m.
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
<.1 in. <.1 in.
High: 85° Low: 64° High: 88° Low: 59° High: 73° Low: 54° High: 78° Low: 57°
               
NW
5-17
mph
Moderate breeze
W→SSW
3
mph
Light air
S→SW
7-17
mph
Moderate breeze
WNW
8-16
mph
Moderate breeze
WNW
9-19
mph
Fresh breeze
NW→W
2
mph
Light air
WSW
3
mph
Light air
W→SSE
2
mph
Light air
UV: 7
 High 
UV: 8
 Very High 
UV: 9
 Very High 
UV: 6
 High 

 

This afternoon
 
Partly cloudy. Hot. High 85°. UV index up to 7. Wind northwest around 5 mph, gusting to 17 mph.
Tonight
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 64°. Wind west around 3 mph in the evening, becoming south-southwest after midnight.
Sunday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the afternoon. Scattered thunderstorms likely. Hot. High 88°. UV index up to 8. Wind south around 7 mph, gusting to 17 mph, in the morning, becoming southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Sunday night
 
Cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Scattered thundershowers possible. Low 59°. Wind west-northwest around 8 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Monday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. High 73°. UV index up to 9. Wind west-northwest around 9 mph, gusting to 19 mph.
Monday night
 
Partly cloudy. Relatively cool. Low 54°. Wind northwest around 2 mph in the evening, becoming west after midnight.
Tuesday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. High 78°. UV index up to 6. Wind west-southwest around 3 mph.
Tuesday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Low 57°. Wind west around 2 mph in the evening, becoming south-southeast after midnight.
Wednesday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. Precipitation showery or intermittent. High 75°. UV index up to 5. Wind south-southeast around 8 mph, gusting to 20 mph, in the morning, becoming south-southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Wednesday night
 
Mostly cloudy to cloudy. Low 63°. Wind south around 3 mph.

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