WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Wednesday, 22-Jul-2026 08:53 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Thursday

Sunny
Sunny
Thursday
night
Mostly Clear
Mostly Clear
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Low: 59° High: 79° Low: 58° High: 82° Low: 60° High: 84° Low: 61° High: 81°
               
N
6-17
mph
Moderate breeze
N
5
mph
Light breeze
ENE→NNE
calm

Calm
ESE
3→7-16
mph
Moderate breeze
ESE
4
mph
Light breeze
SE
4→7-15
mph
Moderate breeze
S
4
mph
Light breeze
S
5
mph
Light breeze
UV: 8
 Very High 
UV: 7
 High 
UV: 8
 Very High 
UV: 6
 High 

 

Tonight
 
Partly cloudy in the evening, becoming fair after midnight. Relatively cool. Low 59°. Wind north around 6 mph, gusting to 17 mph.
Thursday
 
Sunny. High 79°. UV index up to 8. Wind north around 5 mph.
Thursday night
 
Clear in the evening, becoming mostly clear after midnight. Relatively cool. Low 58°. Wind east-northeast near calm in the evening, becoming north-northeast after midnight.
Friday
 
Partly to mostly cloudy. High 82°. UV index up to 7. Wind east-southeast around 3 mph in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming fair after midnight. Relatively cool. Low 60°. Wind east-southeast around 4 mph.
Saturday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 84°. UV index up to 8. Wind southeast around 4 mph in the morning, becoming 7 mph, gusting to 15 mph, in the afternoon.
Saturday night
 
Partly cloudy in the evening, becoming mostly clear after midnight. Relatively cool. Low 61°. Wind south around 4 mph.
Sunday
 
Mostly cloudy to cloudy. High 81°. UV index up to 6. Wind south around 5 mph.
Sunday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy 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 south around 4 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.

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