| NWS Forecast for: 3 Miles S Mercer PA Issued by: National Weather Service Pittsburgh, PA Last Update: 2:21 pm EDT Sep 16, 2026 | |
This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 5am. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. Thursday Night: Mostly cloudy, with a low around 62. North wind 3 to 5 mph. Friday: Mostly sunny, with a high near 78. North wind 5 to 8 mph. Friday Night: Partly cloudy, with a low around 54. Saturday: A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%. Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 62. Chance of precipitation is 90%. Sunday: Showers, mainly before 2pm. High near 77. Chance of precipitation is 80%. Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%. Monday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%. Monday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%. Tuesday: A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%. Tuesday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%. Wednesday: A chance of showers. Mostly cloudy, with a high near 73. | |
| 3 Miles S Mercer PA 41.18°N 80.23°W (Elev. 1083 ft) | |
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