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Borough of Downingtown, PADowningtown, PA Weather Forecast
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Downingtown Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  | | |  | | |  | | |
| Mostly Cloudy | Partly Cloudy | Mostly Sunny | Chance of Showers | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C |
| POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Thu Oct 01 2026 
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Issued: 313 PM EDT Thu Oct 1 2026
Key Messages
1. Above normal temperatures and increasing chances of showers for the end of the week.
2. Unsettled conditions are expected for the later part of the weekend. Chances for rain on Sunday have increased.
3. Tidal flooding continues to recede in the back bays of New Jersey and Delaware.
Discussion
... KEY MESSAGE 1... Above normal temperatures and increasing chances of showers for the end of the week.
High pressure offshore will continue to pump milder and increasingly more humid air across...