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Williamstown High School, NJ Weather Forecast
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Williamstown High School Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | | |  | |  |  | | | |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 50% | POP: 50% | POP: 50% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Tue Sep 01 2026 
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Issued: 720 AM EDT Tue Sep 1 2026
Key Messages
1. Scattered severe thunderstorms are forecast to develop late this afternoon and evening across portions of New Jersey and eastern Pennsylvania. Damaging wind gusts, large hail, and a tornado or two will be possible.
2. Hot and humid conditions are forecast across the region today and again on Thursday. A Heat Advisory is in effect for the Philadelphia urban corridor for today. The temperature forecast for Wednesday continues to trend cooler, however it will remain humid.
3. Unsettled...