Castleton, IN 7-Day Night Weather Forecast
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Castleton, IN Weather Forecast


Castleton, IN Weather Forecast Date: 358 AM EDT Sat Sep 05 2026
The area/counties/county of: Marion, including the city of Indianapolis.or toggle through each period.
Today... Partly cloudy toward daybreak, then clearing. Isolated showers and thunderstorms. Hot with highs in the lower 90s. West winds around 5 mph, becoming north late this afternoon. Chance of rain 20%.
Tonight... Mostly clear. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Sunday... Mostly sunny. Not as warm with highs in the lower 80s. Northeast winds 5 to 10 mph. Gusts up to 20 mph late in the afternoon.
Sunday Night... Mostly clear. Lows in the lower 60s. Northeast winds 5 to 10 mph.
Labor Day... Mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Monday Night... Mostly clear. Lows in the mid 60s.
Tuesday... Mostly sunny through early afternoon, then becoming partly cloudy. Highs in the upper 80s.
Tuesday Night... Mostly clear. Hot. Lows in the lower 70s. Highs in the lower 90s.
Wednesday... Mostly clear. Hot. Lows in the lower 70s. Highs in the lower 90s.
Wednesday Night... Partly cloudy. A slight chance of showers and thunderstorms through the late overnight, then a chance of showers toward daybreak. Lows around 70. Chance of rain 40%.
Thursday... Partly cloudy. A chance of showers through early afternoon, then a slight chance of showers late in the afternoon. Highs in the mid 80s. Chance of rain 40%.
Thursday Night... Partly cloudy. Lows in the lower 60s.
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