Indianapolis/ Weather & Environment

Indianapolis Heats Up to 85 Before Late-Week Storms Crash Weekend

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Published on September 28, 2026
Indianapolis Heats Up to 85 Before Late-Week Storms Crash WeekendSource: Google Street View

Indianapolis is starting Monday with clear skies and temperatures near 51 degrees, but the afternoon will feel much warmer. Sunshine should push the city to a high near 78, with light north-northeast winds and no rain in the forecast.

Sunny Start Gives Way To A Midweek Warm-Up

The latest outlook brings a slightly warmer week than the previous forecast, raising Monday's projected high from about 75 degrees to 78. Hoodline's earlier forecast had Tuesday near 77, while the newest update calls for 79 degrees Tuesday and 85 degrees Wednesday.

Patchy fog could develop late Monday night after 3 a.m., with temperatures falling to around 51 degrees before rising slightly overnight. Tuesday may begin foggy, with fog lingering in spots before 8 a.m., but sunshine should take over quickly, followed by another mild afternoon.

Rain Holds Off Until Thursday

Wednesday looks mostly sunny and warm, with a high near 85 and southwesterly winds. According to the National Weather Service, Thursday will stay partly sunny and reach about 85 degrees, with a chance of showers.

Showers are likely Thursday night. Friday should be cooler, with a high near 70 and a chance of showers.

Cooler, Showery Weekend Ahead

Rain chances linger into Saturday and Sunday, though both days may still see periods of partial sunshine. Saturday's high should reach about 68 degrees, with a shower chance around 40%.