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Castleton Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | | |  |  |  | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 30% | POP: 50% | POP: 50% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 227 PM EDT Thu Sep 03 2026 
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Issued: 312 PM EDT Thu Sep 3 2026
Key Messages
- 1) Slight Risk of severe thunderstorms today and Friday.
- 2) Hot and humid conditions will persist through Friday.
- 3) Drier conditions expected for the Labor Day weekend through early next week.
Discussion
... KEY MESSAGE 1...Slight Risk of severe thunderstorms today and Friday.
Clouds have readily thinned in the wake of morning shower and thunderstorm activity. This is allowing for temperatures to rise quickly through the 80s to near 90. This heating will play an important role in the p...