Weather forecast for: Brownstown IN
Last Update: 12:31 am EDT Sep 19, 2026
Overnight: Partly cloudy, with a low around 68. Light east wind.
Saturday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night: A slight chance of showers and thunderstorms before 11pm, then isolated showers between 11pm and 2am. Mostly cloudy, with a low around 72. Light southeast wind. Chance of precipitation is 20%.
Sunday: Mostly sunny and hot, with a high near 92. Light south southwest wind.
Sunday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 66. Northeast wind 3 to 5 mph.
Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 5 to 8 mph.
Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 74. North northeast wind around 6 mph. Chance of precipitation is 40%.
Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. North northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%.
Wednesday: Mostly cloudy, with a high near 72. North wind 3 to 5 mph.
Wednesday Night: Mostly cloudy, with a low around 57.
Thursday: Partly sunny, with a high near 73.
Thursday Night: Partly cloudy, with a low around 58.
Friday: Mostly sunny, with a high near 74.