| NWS Forecast for: 3 Miles S Mercer PA Issued by: National Weather Service Pittsburgh, PA Last Update: 6:12 pm EDT Sep 4, 2026 |  |
| Tonight: A chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday: A slight chance of showers between 10am and 1pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 20%. Saturday Night: Mostly clear, with a low around 55. Northeast wind 5 to 7 mph. Sunday: Sunny, with a high near 79. Northeast wind 6 to 8 mph. Sunday Night: Mostly clear, with a low around 54. East wind around 6 mph. Labor Day: Sunny, with a high near 79. Monday Night: Partly cloudy, with a low around 55. Tuesday: Mostly sunny, with a high near 82. Tuesday Night: Mostly cloudy, with a low around 62. Wednesday: Partly sunny, with a high near 86. Wednesday Night: A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%. Thursday: A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%. Thursday Night: Mostly cloudy, with a low around 55. Friday: Mostly sunny, with a high near 74. | |
| 3 Miles S Mercer PA 41.18°N 80.23°W (Elev. 1083 ft) | |
Visit your local NWS office at: https://www.weather.gov/pbz/ |
