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Keystone, IN Weather Forecast
Keystone, IN Weather Forecast Date: 1043 PM EDT Wed Oct 28 2026
The area/counties/county of: Wells, including the cities of: Bluffton and Ossian.or toggle through each period.
Rest of Tonight... Clear. Lows in the lower 50s. South winds around 5 mph.
Thursday... Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30%.
Thursday Night... Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 40s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 30%.
Friday... Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph.
Friday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. East winds around 5 mph.
Saturday... Mostly cloudy with a 20% chance of showers. Highs in the mid 60s.
Saturday Night... Mostly cloudy. Lows in the upper 40s.
Sunday... Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30%.
Sunday Night... Mostly cloudy in the evening, then becoming partly cloudy. A 30% chance of showers. Lows in the lower 50s.
Monday... Partly cloudy with a 20% chance of showers. Highs around 70.
Monday Night... Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 50s. Chance of rain 30%.
Tuesday... Mostly cloudy in the morning, then becoming partly cloudy. A 40% chance of showers. Highs in the lower 70s.
Tuesday Night... Partly cloudy with a 50% chance of showers. Lows in the mid 50s.
POP = Probability of Precipitation
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