Weather forecast for: Lemont Furnace PA
Last Update: 4:27 pm EDT Sep 8, 2026
Tonight: Partly cloudy, with a low around 66. Calm wind becoming south around 5 mph after midnight.
Wednesday: Mostly sunny, with a high near 85. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night: Showers likely and possibly a thunderstorm, mainly after 2am. Increasing clouds, with a low around 69. Southwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Showers and possibly a thunderstorm. High near 76. Southwest wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 61. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday: Mostly sunny, with a high near 77.
Friday Night: Partly cloudy, with a low around 61.
Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Sunday: A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night: A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday: Partly sunny, with a high near 80.
Monday Night: Partly cloudy, with a low around 64.
Tuesday: A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 40%.