Herndon, WV Weather Forecast
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Herndon Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear |
| Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 532 PM EDT Sat Oct 24 2026 

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Issued: 630 PM EDT Sat Oct 24 2026
Key Messages
1) Pleasant weather will continue into late next week, with riverine fog during the predawn hours each day.
Discussion
... KEY MESSAGE 1...
Slightly positive geopotential heights will result in gradually warmer high temperatures heading into next week as the subtropical ridge shifts eastward over the CWA. Strong subsidence will persist aloft and maintain the dry airmass across the region. Riverine fog will develop once again tonight, but with lesser coverage as dry air intrusion nixes m...
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