Weather WorldUpper Perkiomen High School, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Upper Perkiomen High School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  |  | | | | |  |  | |  |
| Sunny | Partly Cloudy | Showers Likely | Chance of Showers | Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear |
| Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C |
| POP: 70% | POP: 70% | POP: 40% | POP: 50% | POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 216 AM EDT Wed Aug 19 2026 
Upper Perkiomen High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Upper Perkiomen High School Weather Map
Upper Perkiomen High School Quick Facts
Upper Perkiomen High School Forecast Discussion
Issued: 614 AM EDT Wed Aug 19 2026
Key Messages
1. High pressure nudges in for today with mainly dry and comfortable conditions. Some patchy fog possible this morning.
2. A stronger cold front is expected to cross through the region on Thursday, resulting in greater chances for showers and thunderstorms. Conditions look to remain unsettled through the weekend, with daily chances of showers and storms each day.
Discussion
... KEY MESSAGE 1...High pressure nudges in for today with mainly dry and comfortabl...