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Township of Upper Darby, PAUpper Darby, PA Weather Forecast
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Upper Darby Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Mostly Sunny | Mostly Cloudy | Partly Sunny | Chance of Showers | Showers | Showers | Showers Likely | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear |
| Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 40% | POP: 100% | POP: 100% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Fri Oct 09 2026 
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Issued: 607 AM EDT Fri Oct 9 2026
Key Messages
1. Tranquil, dry weather will prevail through Saturday with no significant weather hazards anticipated.
2. The remnants of what is now Hurricane Isaias will approach the area late this weekend bringing rain and a few thunderstorms back to the region Sunday and Sunday night.
Discussion
... KEY MESSAGE 1...Tranquil, dry weather will prevail through Saturday with no significant weather hazards anticipated.
High pressure will build in today in the wake of a weak cold front, bringing more dry...