Lake Marion, IN 7-Day Night Weather Forecast
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Lake Marion, IN Weather Forecast


Lake Marion, IN Weather Forecast Date: 414 AM EDT Sat Sep 12 2026
The area/counties/county of: Grant, including the cities of: Marion, Gas City, and Upland.or toggle through each period.
Today... Mostly cloudy with a slight chance of showers early, then partly cloudy with a chance of showers and thunderstorms. Humid with highs in the lower 80s. South winds around 5 mph. Chance of rain 50%.
Tonight... Mostly clear. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable.
Sunday... Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 40%.
Sunday Night... Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Less humid with lows in the lower 50s. North winds 5 to 10 mph. Chance of rain 30%.
Monday... Mostly sunny. Highs in the mid 70s. East winds 5 to 10 mph.
Monday Night... Mostly clear. Lows in the upper 50s.
Tuesday... Mostly sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50%.
Wednesday... Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50%. Heat index values in the mid 90s in the afternoon.
Wednesday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50%.
Thursday... Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50%.
Thursday Night... Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 60. Chance of rain 50%.
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