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Hairy John Trail Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C |
| POP: 100% | POP: 90% | POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 600 AM EDT Sat Aug 15 2026 
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Hairy John Trail Forecast Discussion
Issued: 418 AM EDT Sat Aug 15 2026
Key Messages
1) Areas of dense fog early today in the valleys of South- Central PA and the Laurel Highlands.
2) Widespread rain will develop across the CWA Sunday morning and bring light to moderate amounts of one-quarter to three quarters of an inch. After a warm front moves into Central and Northern PA early Sunday afternoon, thunderstorms will develop near and to the south of this boundary bringi...