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Castleton, IN Weather Forecast
Castleton, IN Weather Forecast Date: 659 AM EDT Mon Oct 26 2026
The area/counties/county of: Marion, including the city of Indianapolis.or toggle through each period.
Today... Partly cloudy. Highs in the mid 70s. Southwest winds around 5 mph.
Tonight... Mostly clear. Lows in the upper 40s. Light and variable winds.
Tuesday... Partly cloudy through early afternoon, then becoming mostly cloudy. Highs in the lower 70s. Southeast winds around 5 mph.
Tuesday Night... Mostly cloudy through the late overnight, then becoming partly cloudy. Lows in the lower 50s. Southeast winds around 5 mph.
Wednesday... Partly cloudy through early afternoon, then clearing. Highs in the mid 70s. South winds around 5 mph.
Wednesday Night... Clear. Lows in the lower 50s. Highs in the upper 70s.
Thursday... Clear. Lows in the lower 50s. Highs in the upper 70s.
Thursday Night... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Friday... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Saturday... Mostly cloudy with a 20% chance of showers. Highs in the lower 70s.
Saturday Night... Mostly cloudy. A slight chance of showers through the late overnight, then a chance of showers toward daybreak. Lows in the mid 50s. Chance of rain 50%.
POP = Probability of Precipitation
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