Weather WorldWilliam Penn High School, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
William Penn High School Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  | |  | | | |  |  | |
| Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C |
| POP: 100% | POP: 90% | POP: 40% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1200 PM EDT Sat Aug 15 2026 
William Penn High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
William Penn High School Weather Map
William Penn High School Quick Facts
William Penn High School Forecast Discussion
Issued: 919 AM EDT Sat Aug 15 2026
Key Messages
1) Widespread rain will develop across the CWA Sunday morning and bring light to moderate amounts of one-quarter to three quarters of an inch. After a warm front moves into Central and Northern PA early Sunday afternoon, thunderstorms will develop near and to the south of this boundary bringing locally heavy rain in excess of one inch in just 20-30 minutes with the potential for localized flash flooding.
Discussion
...
KEY MESSAGE 1: Widespread rain will de...