Weather World
Penn, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Penn Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  |  | | |  | | | |
| Mostly Sunny | Clear | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Clear | Sunny | Clear |
| Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C |
| POP: 50% | POP: 50% | POP: 40% | POP: 90% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 703 AM EDT Tue Oct 13 2026 
Penn Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Penn Weather Map
Penn Quick Facts
Penn Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 738 AM EDT Tue Oct 13 2026
Key Messages
1) Scattered morning showers, then mainly dry and warm today. Showers return with a Wednesday cold front
2) Strong late week cold front resulting in showers and gusty wind. Colder temperatures arrive for the weekend, along with low chances for rain/snow showers Friday night and Saturday.
Discussion
... KEY MESSAGE 1... Stratus was developing, mainly across NW PA, with low level moisture in place. Model soundings and HREF probabilities of low clouds indicate this area should expand throu...