WXSIM Forecast for: Harrisonburg
Issued by: HBurg-wx.net
Updated: Saturday, 18-Apr-2026 06:00 pm
 
Tonight

Thunder storm
Thunder storm
Sunday

Chance rain
Chance rain
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Clear
Clear
Tuesday

Sunny
Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
.35 in. .1 in. <.1 in. <.1 in.
Low: 52° High: 59° Low: 44° High: 56° Low: 33° High: 68° Low: 50°
             
SW→W
4
mph
Light breeze
NNW
7-19→11-21
mph
Fresh breeze
WNW
2
mph
Light air
WNW
5-17→10-20
mph
Fresh breeze
NNW
3
mph
Light air
S
2→7-17
mph
Moderate breeze
S
5
mph
Light breeze
UV: 8
 Very High 
UV: 8
 Very High 
UV: 9
 Very High 

 

Tonight
 
Mostly cloudy in the evening, becoming cloudy after midnight. Rain likely. Scattered thunderstorms likely. Low 52°. Wind southwest around 4 mph in the evening, becoming west after midnight. Chance of precipitation 60 percent. Precipitation mostly between a quarter and half an inch.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming sunny in the afternoon. A chance of rain. High 59°. UV index up to 8. Wind north-northwest around 7 mph, gusting to 19 mph, in the morning, becoming 11 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Sunday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain after midnight. Low 44°. Wind west-northwest around 2 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than a tenth of an inch.
Monday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 56°. UV index up to 8. Wind west-northwest around 5 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Monday night
 
Clear. Low 33°. Wind north-northwest around 3 mph.
Tuesday
 
Sunny. High 68°. UV index up to 9. Wind south around 2 mph in the morning, becoming 7 mph, gusting to 17 mph, in the afternoon.
Tuesday night
 
Fair in the evening, becoming partly cloudy after midnight. Low 50°. Wind south around 5 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.