Indianapolis/ Weather & Environment

Cool, Gloomy Stretch Grips Indianapolis Before Sunshine Roars Back

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Published on September 22, 2026
Cool, Gloomy Stretch Grips Indianapolis Before Sunshine Roars BackSource: Google Street View

Indianapolis wakes Tuesday under a low gray ceiling, with cloud cover holding afternoon temperatures near 69. Northeast winds around 12 mph, gusting up to 21 mph, will add a noticeable chill even as the city edges toward 70.

The latest forecast from the National Weather Service Indianapolis keeps Tuesday mostly dry, but the cloudy pattern is expected to linger through Thursday. The updated outlook shifts the unsettled weather later, building on Hoodline’s earlier forecast for a cooler, grayer stretch.

Showers Arrive After Dark

Patchy drizzle or light rain showers may develop after 00z, approximately 8 p.m. EDT, Tuesday. Overnight temperatures should settle near 59 degrees.

Wednesday brings another mostly cloudy day, with showers possible into the morning. The high should reach about 68 degrees, while a few damp stretches and lower visibility may complicate the Wednesday morning commute.

A Gray Thursday Gives Way To A Brighter Weekend

Thursday remains mostly cloudy but a little milder, with a high near 73 and no rain currently expected. Friday turns sunny with a high around 70, followed by a cool night near 50 degrees.

Saturday should be mostly sunny and reach about 71 degrees, while Sunday brings partly sunny skies and a high near 74. The warming trend continues Monday, when mostly sunny conditions could push Indianapolis close to 78 degrees.

For now, the practical forecast is simple: keep a jacket handy Tuesday and Wednesday, especially with the northeast breeze, and watch for a few late-evening showers. The payoff arrives later in the week, when the clouds thin out and the Circle City gets a more comfortable taste of early fall.