WXSIM Forecast for: Thurmont
Issued by: Ammenheuser Weather
Updated: Friday, 13-Mar-2026 02:53 pm
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Chance rain
Chance rain
Monday

Thunder storm
Thunder storm
Monday
night
Rain likely
Cold!
Rain likely
Cold!
.1 in. .5 in. 1.0 in.
High: 53° Low: 36° High: 48° Low: 33° High: 56° Low: 49° High: 62° Low: 29°
              WCh: 23°
S
23-46
mph
Gale
SW
14-25
mph
Strong breeze
W
14-24
mph
Fresh breeze
N→ENE
4-16
mph
Moderate breeze
SE
10-23→15-24
mph
Fresh breeze
SSE
14-23→8-17
mph
Fresh breeze
SSE
14-23
mph
Fresh breeze
WNW
14-24
mph
Fresh breeze
UV: 3
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 2
 Low 

 

This afternoon
 
Partly cloudy. Windy. High 53°. UV index up to 3. Wind south around 23 mph, gusting to 46 mph.
Tonight
 
Fair to partly cloudy in the evening, becoming clear after midnight. Breezy. Low 36°. Wind southwest around 14 mph, gusting to 25 mph.
Saturday
 
Mostly sunny. Breezy. High 48°. UV index up to 4. Wind west around 14 mph, gusting to 24 mph.
Saturday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 33°. Wind north around 4 mph, gusting to 16 mph, in the evening, becoming east-northeast after midnight.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Breezy. High 56°. UV index up to 3. Wind southeast around 10 mph, gusting to 23 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon.
Sunday night
 
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Low 49°. Wind south-southeast around 14 mph, gusting to 23 mph, in the evening, becoming 8 mph, gusting to 17 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Monday
 
Dense overcast. Patchy light fog in the afternoon. A slight chance of rain in the morning, then rain likely in the afternoon. Scattered thundershowers possible. Breezy and mild. High 62°. UV index up to 2. Wind south-southeast around 14 mph, gusting to 23 mph. Chance of precipitation 80 percent. Precipitation mostly around half an inch.
Monday night
 
Dense overcast in the evening, becoming fair after midnight. Patchy light fog. Rain likely. Breezy. Low 29°. Wind chill ranging from 23 to 49. Wind west-northwest around 14 mph, gusting to 24 mph. Chance of precipitation 70 percent. Precipitation mostly around an inch.
Tuesday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. Breezy and cold. High 31°, but temperatures falling in the afternoon. Wind chill ranging from 16 to 23. UV index up to 2. Wind west-northwest around 11 mph, gusting to 22 mph, in the morning, becoming 16 mph, gusting to 25 mph, in the afternoon.
Tuesday night
 
Fair in the evening, becoming clear after midnight. Cold. Low 22°. Wind chill as low as 14. Wind west around 11 mph, gusting to 23 mph, in the evening, becoming 8 mph, gusting to 17 mph, after midnight.

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