Weather forecast for: Mount Summit IN
Last Update: 9:15 am EDT Sep 8, 2026
Today: Mostly sunny, with a high near 87. South southeast wind 5 to 7 mph becoming southwest in the afternoon.
Tonight: Partly cloudy, with a low around 69. South wind 3 to 6 mph.
Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 67. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 77. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 55. Calm wind.
Friday: Sunny, with a high near 79. Light and variable wind.
Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 61. Light east southeast wind.
Saturday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. South southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.
Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.