Weather forecast for: Lemont Furnace PA
Last Update: 2:21 am EDT Sep 9, 2026
Overnight: Partly cloudy, with a low around 66. Calm wind.
Wednesday: Mostly sunny, with a high near 85. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 69. Southwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Southwest wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday: Mostly sunny, with a high near 78.
Friday Night: Mostly cloudy, with a low around 63.
Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday: A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night: Partly cloudy, with a low around 65.
Monday: Partly sunny, with a high near 83.
Monday Night: Partly cloudy, with a low around 67.
Tuesday: A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 40%.