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Exton Lake, PA Weather Forecast
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Exton Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 | |  |  |  |  | |  | | | | |
| Patchy Fog | Patchy Fog | Clear | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Partly Cloudy |
| 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: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 PM EDT Tue Aug 25 2026 
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Instant definitions for any meteorological term.
Issued: 133 PM EDT Tue Aug 25 2026
Key Messages
1) Surrounded by dry days, Thursday features isolated to scattered thunderstorms offering low probability severe threat.
Discussion
... KEY MESSAGE 1... Surface high pressure and height rises favor dry weather with seasonable temperature through Wednesday night.
The next upper trough is currently over southern Manitoba. After moving across the western Great Lakes Wednesday, it will slowly cross the Ohio River Valley Thursday through Friday morning and increase shower/thunderstorm chance...