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Plainsboro Park, NJ Weather Forecast
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Plainsboro Park Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  | | |  | | |  |  | |
| Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 80% | POP: 80% | POP: 30% | POP: 40% | POP: 70% | POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 921 PM EDT Wed Aug 19 2026 
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Plainsboro Park Forecast Discussion
Issued: 745 PM EDT Wed Aug 19 2026
Key Messages
1. A strong cold front is expected to cross through the region on Thursday, resulting in widespread showers and thunderstorms. Flash flooding and severe weather, including all hazards are possible.
2. Conditions look to remain unsettled through the weekend, with daily chances of showers and storms each day.
3. Fair weather is expected to return for early next week.
Discussion
... KEY MESSAGE 1...A strong cold front is expected to cross through the region on ...