Sullivan, PA Weather Forecast
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Sullivan Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Partly Cloudy | Mostly Cloudy | Chance of Showers | Showers | Showers Likely | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C |
| POP: 40% | POP: 70% | POP: 50% | POP: 80% | POP: 80% | POP: 70% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 730 PM EDT Wed Sep 16 2026 

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Issued: 741 PM EDT Wed Sep 16 2026
Key Messages
1) Warmer and more humid conditions promote increasing odds for rain Thursday
Discussion
... KEY MESSAGE 1: Warmer and more humid conditions promote increasing odds for rain Thursday
Showers of varying intensity did develop during the mid to late afternoon in the unstable airmass along a Laurel mountains to I-99 corridor. These showers are dissipating as they move out of the best CAPE region and the sun sets. Patchy fog is possible toward morning where these showers fell, but would diss...
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