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Harrison Lake, IN 7-Day Night Weather Forecast
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Harrison Lake, IN Weather Forecast
Harrison Lake, IN Weather Forecast Date: 602 PM EDT Sun Aug 16 2026
The area/counties/county of: Bartholomew, including the city of Columbus.or toggle through each period.
Tonight... Partly cloudy with a chance of showers and thunderstorms through the late overnight, then mostly cloudy with showers toward daybreak. Lows in the lower 70s. West winds around 5 mph. Chance of rain 80%.
Monday... Mostly cloudy with a slight chance of showers and thunderstorms through early afternoon, then partly cloudy late in the afternoon. Humid with highs in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 20%.
Monday Night... Partly cloudy through the late overnight, then clearing. Lows in the lower 60s. North winds around 5 mph through the late overnight, becoming light and variable.
Tuesday... Mostly sunny. Highs in the lower 80s. Light and variable winds.
Tuesday Night... Mostly clear through the late overnight, then becoming partly cloudy. Lows in the mid 60s. Light and variable winds.
Wednesday... Partly cloudy. A chance of showers and thunderstorms late in the afternoon. Highs in the lower 80s. Chance of rain 50%.
Wednesday Night... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 60%.
Thursday... Mostly cloudy through early afternoon, then becoming partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20%.
Thursday Night... Partly cloudy. A slight chance of showers toward daybreak. Lows around 60. Chance of rain 20%.
Friday... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms late in the afternoon. Highs in the upper 70s. Chance of rain 20%.
Friday Night... Mostly clear. Lows around 60. Highs around 80.
Saturday... Mostly clear. Lows around 60. Highs around 80.
Saturday Night... Partly cloudy. A slight chance of showers through the late overnight. Lows in the lower 60s. Chance of rain 20%.
POP = Probability of Precipitation
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