WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Friday, 17-Apr-2026 05:53 am
 
Today

Mostly Sunny
Mostly Sunny
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Thunder storm
Thunder storm
Sunday

Chance rain
Chance rain
Sunday
night
Cloudy
Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Clear
Clear
1.0 in. <.1 in. <.1 in.
High: 84° Low: 56° High: 83° Low: 55° High: 57° Low: 42° High: 48° Low: 33°
               
WNW→NNW
7-18
mph
Moderate breeze
NE
3
mph
Light air
SSE
5-17→10-19
mph
Fresh breeze
SSE→WNW
7-24
mph
Fresh breeze
NW
14-24
mph
Fresh breeze
NW
4-20
mph
Fresh breeze
NW
10-22→14-23
mph
Fresh breeze
NW→NNE
6-20→3
mph
Fresh breeze
UV: 7
 High 
UV: 7
 High 
UV: 7
 High 
UV: 4
 Medium 

 

Today
 
Sunny in the morning, becoming mostly sunny in the afternoon. Unusually hot. High 84°. UV index up to 7. Wind west-northwest around 7 mph, gusting to 18 mph, in the morning, becoming north-northwest in the afternoon.
Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 56°. Wind northeast around 3 mph.
Saturday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Unusually hot. High 83°. UV index up to 7. Wind south-southeast around 5 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Saturday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. Rain likely. Scattered thundershowers possible. Low 55°. Wind south-southeast around 7 mph, gusting to 24 mph, in the evening, becoming west-northwest after midnight. Chance of precipitation 80 percent. Precipitation mostly around an inch.
Sunday
 
Cloudy in the morning, becoming partly to mostly sunny in the afternoon. A chance of rain. Breezy. High 57°, but temperatures falling in the afternoon. UV index up to 7. Wind northwest around 14 mph, gusting to 24 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Sunday night
 
Mostly clear in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 42°. Wind northwest around 4 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy and cool. High 48°. Wind chill around 40. UV index up to 4. Wind northwest around 10 mph, gusting to 22 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon.
Monday night
 
Clear in the evening, becoming fair after midnight. Cold. Low 33°. Wind northwest around 6 mph, gusting to 20 mph, in the evening, becoming north-northeast around 3 mph after midnight.
Tuesday
 
Partly cloudy. High 61°. UV index up to 6. Wind south around 4 mph, gusting to 18 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 46°. Wind south-southwest around 6 mph, gusting to 18 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.