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Mount Summit, IN 7-Day Night Weather Forecast
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Mount Summit, IN Weather Forecast
Mount Summit, IN Weather Forecast Date: 853 AM EDT Wed Sep 09 2026
The area/counties/county of: Henry, including the city of New Castle.or toggle through each period.
Rest of Today... Mostly sunny, then becoming partly cloudy through early afternoon, then becoming mostly cloudy. Scattered showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming west late this afternoon. Chance of rain 50%.
Tonight... Mostly cloudy with scattered showers and thunderstorms. Humid with lows in the upper 60s. West winds around 5 mph. Chance of rain 50%.
Thursday... Mostly cloudy with scattered thunderstorms. Scattered showers. Not as warm with highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 50%.
Thursday Night... Partly cloudy. Cooler with lows in the upper 50s. Northeast winds around 5 mph.
Friday... Mostly sunny through early afternoon, then becoming partly cloudy. Highs in the upper 70s. East winds around 5 mph.
Friday Night... Partly cloudy. Lows in the lower 60s.
Saturday... Partly cloudy. A slight chance of showers through early afternoon, then a chance of showers and thunderstorms late in the afternoon. Highs in the mid 80s. Chance of rain 40%.
Saturday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms through the late overnight, then a slight chance of showers toward daybreak. Lows in the mid 60s. Chance of rain 40%.
Sunday... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms late in the afternoon. Highs in the mid 80s. Chance of rain 20%.
Sunday Night... Partly cloudy. Lows in the mid 60s.
Monday... Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 80s. Lows in the upper 60s. Chance of rain 20%.
Monday Night... Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 80s. Lows in the upper 60s. Chance of rain 20%.
POP = Probability of Precipitation
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