Knapp, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Knapp Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Chance of Showers | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 730 AM EDT Sun Sep 13 2026 

Knapp Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Knapp Weather Map
Knapp Quick Facts
Knapp Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 431 AM EDT Sun Sep 13 2026
Key Messages
1) Showers and storms tapering off this morning but more expected later this afternoon into this evening. Showers ending Monday morning.
Discussion
... KEY MESSAGE 1: Showers and storms tapering off this morning but more expected later this afternoon into this evening. Showers ending Monday morning.
Heaviest rain since yesterday morning has been largely west of our area. The main issue earlier was Elk Co. Back edge of the heavier rain is pulling to the east, thus expect most of the acti...
Weather World