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St. Helenas School, DE Weather Forecast
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St. Helenas School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT |
 |  |  | | | |  |  | | | |  |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 81°FHi: 27°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 530 AM EDT Wed Sep 02 2026 
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Issued: 428 AM EDT Wed Sep 2 2026
Key Messages
1. Today into tonight, a shortwave trough could spark another round of showers and storms, but it will be working against a relatively stable boundary layer.
2. Hot and humid conditions are forecast across the region on Thursday.
3. Unsettled conditions will continue on Thursday with the potential for severe thunderstorms. Scattered thunderstorms are again possible on Friday, mainly south of Philadelphia.
4. The Labor Day Weekend will feature mostly dry weather with at or below normal t...