Weather forecast for: Chesterton IN
Last Update: 8:11 am CDT Sep 12, 2026
Today: Mostly sunny, with a high near 86. West southwest wind 5 to 10 mph.
Tonight: Partly cloudy, with a low around 65. North wind around 5 mph.
Sunday: A 40 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 74. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. North wind 5 to 10 mph becoming east northeast after midnight.
Monday: Mostly sunny, with a high near 74. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.
Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Wednesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80.
Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65.
Thursday: A chance of showers. Mostly cloudy, with a high near 78.
Thursday Night: A chance of showers. Partly cloudy, with a low around 59.
Friday: Mostly sunny, with a high near 76.