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Derf Haus, PA Weather Forecast
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Derf Haus Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  | | |  |  |  | | |
| Chance of T-Storm | Chance of T-Storm | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 50% | POP: 70% | POP: 40% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 635 AM EDT Thu Aug 27 2026 
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Issued: 648 AM EDT Thu Aug 27 2026
Key Messages
1) Showers and thunderstorms will track across the area today into tonight. There remains potential for some storms to be severe, with damaging wind gusts, large hail and possibly an isolated weak tornado. Also, heavy downpours are expected and localized flash flooding will be possible.
2) Mainly dry weather expected Friday through the weekend as high pressure crosses the region.
Discussion
... KEY MESSAGE 1...
Still quite a bit of uncertainty with the forecast today. Lingering morning s...