WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Friday, 19-Jun-2026 03:12 pm
 
This
afternoon
Clear
Clear
Tonight

Clear
Clear
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Rain likely
Rain likely
Monday
night
Chance rain
Chance rain
.25 in. .1 in.
High: 79° Low: 58° High: 77° Low: 57° High: 79° Low: 59° High: 73° Low: 64°
               
WNW
12-24
mph
Fresh breeze
WNW
9-20→6
mph
Fresh breeze
WNW
7-19→10-19
mph
Fresh breeze
WNW
5-16→2
mph
Moderate breeze
WNW
7-19
mph
Fresh breeze
NNW→ENE
4
mph
Light breeze
SE→WSW
4
mph
Light breeze
NNE
4
mph
Light breeze
UV: 7
 High 
UV: 8
 Very High 
UV: 8
 Very High 
UV: 4
 Medium 

 

This afternoon
 
Clear. Breezy. High 79°. UV index up to 7. Wind west-northwest around 12 mph, gusting to 24 mph.
Tonight
 
Clear in the evening, becoming fair after midnight. Low 58°. Wind west-northwest around 9 mph, gusting to 20 mph, in the evening, becoming 6 mph after midnight.
Saturday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 77°. UV index up to 8. Wind west-northwest around 7 mph, gusting to 19 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Saturday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. Relatively cool. Low 57°. Wind west-northwest around 5 mph, gusting to 16 mph, in the evening, becoming 2 mph after midnight.
Sunday
 
Partly to mostly cloudy. High 79°. UV index up to 8. Wind west-northwest around 7 mph, gusting to 19 mph.
Sunday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. Low 59°. Wind north-northwest around 4 mph in the evening, becoming east-northeast after midnight.
Monday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Rain likely. Precipitation showery or intermittent. High 73°. UV index up to 4. Wind southeast around 4 mph in the morning, becoming west-southwest in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around a quarter of an inch.
Monday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Precipitation showery or intermittent. Low 64°. Wind north-northeast around 4 mph. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Tuesday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 79°. UV index up to 7. Wind north-northeast around 6 mph, gusting to 16 mph.
Tuesday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Low 61°. Wind north-northwest around 3 mph.

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