Lock Haven, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lock Haven Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 55°FHi: 13°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 90% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 730 AM EDT Tue Sep 22 2026 

Lock Haven Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lock Haven Weather Map
Lock Haven Quick Facts
Lock Haven Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 504 AM EDT Tue Sep 22 2026
Key Messages
1) Periods of light to moderate beneficial rain will slowly drift south through Wednesday with cloudy/damp/cool conditions.
2) Trending drier later in the week as a coastal storm develops offshore.
Discussion
... KEY MESSAGE 1: Periods of light to moderate beneficial rain will slowly drift south through Wednesday with cloudy/damp/cool conditions.
A quasi-stationary area of mid-level frontogenesis that has been the focus for showers overnight along the I-80 corridor will move gradually so...
Weather World