Alton, VA Weather Forecast
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Alton Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Patchy Fog | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Showers | Showers | Chance of Showers |
| Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 70% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 132 AM EDT Fri Sep 18 2026 

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Issued: 224 AM EDT Fri Sep 18 2026
Key Messages
1) Scattered afternoon/evening showers/storms. Summertime pattern continues into early next week, then a cool down.
Discussion
... KEY MESSAGE 1: Scattered afternoon/evening showers/storms. Summertime pattern continues into early next week then a cool down.
At the surface, a cold front will move southward into the Mid- Atlantic today. Ahead of the front, a moist airmass will be in place over much of the area . Surface dewpoints within this airmass will be in the 60s to near 70 F. As sur...
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