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

Thunder storm
Thunder storm
Sunday

Thunder storm
Thunder storm
Sunday
night
Fair
Fair
Monday

Thunder storm
Thunder storm
Monday
night
Thunder storm
Thunder storm
Tuesday

Thunder storm
Thunder storm
Tuesday
night
Thunder storm
Thunder storm
<.1 in. <.1 in. <.1 in. <.1 in. .5 in. .25 in.
Low: 74° High: 88° Low: 67° High: 84° Low: 70° High: 87° Low: 69°
          Heat: 94°  
W
5
mph
Light breeze
NW
3
mph
Light air
NNE
2
mph
Light air
ENE→SE
2→5-16
mph
Moderate breeze
SSE
3
mph
Light air
S→WSW
6-17
mph
Moderate breeze
WSW
7
mph
Light breeze
UV: 9
 Very High 
UV: 8
 Very High 
UV: 6
 High 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Scattered thundershowers possible. Low 74°. Wind west around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Sunday
 
Partly cloudy. A slight chance of rain. Scattered thundershowers possible. High 88°. UV index up to 9. Wind northwest around 3 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than a tenth of an inch.
Sunday night
 
Fair. Low 67°. Wind north-northeast around 2 mph.
Monday
 
Mostly sunny in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the afternoon. Scattered thunderstorms likely. High 84°. UV index up to 8. Wind east-northeast around 2 mph in the morning, becoming southeast around 5 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Monday night
 
Mostly cloudy to cloudy. A chance of rain. Scattered thunderstorms likely. Low 70°. Wind south-southeast around 3 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Tuesday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then rain likely in the afternoon. Thunderstorms very likely, some possibly severe. High 87°. Heat index up to 94°. UV index up to 6. Wind south around 6 mph, gusting to 17 mph, in the morning, becoming west-southwest in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around half an inch.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. Rain likely. Scattered thunderstorms likely. Low 69°. Wind west-southwest around 7 mph. Chance of precipitation 60 percent. Precipitation mostly around a quarter of an inch.

WXSIM forecast formatting script by Saratoga-Weather.org.