7-Day Forecast 39.76°N 79.82°W (Text-Only)
NWS Forecast for: Lake Lynn PA
Issued by: National Weather Service Pittsburgh, PA
Last Update: 4:04 pm EDT Jul 17, 2025




This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms, mainly between 2am and 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: A chance of showers and thunderstorms, mainly between 11am and 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night: A chance of showers and thunderstorms, mainly after 8pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday: Showers and possibly a thunderstorm. High near 80. Southwest wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night: Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

Sunday Night: Showers likely before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Monday: A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.



Lake Lynn PA
 39.76°N 79.82°W (Elev. 1093 ft)

Visit your local NWS office at: https://www.weather.gov/pbz/