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Lancaster, IN 7-Day Night Weather Forecast
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Lancaster, IN Weather Forecast
Lancaster, IN Weather Forecast Date: 408 PM EDT Tue Sep 15 2026
The area/counties/county of: Jefferson County In, including the city of Madison.or toggle through each period.
Tonight... Warmer. Mostly clear. Lows in the lower 70s. South winds up to 5 mph.
Wednesday... Mostly sunny. Highs in the lower 90s. Southwest winds up to 5 mph.
Wednesday Night... Partly cloudy. Lows in the lower 70s. Southwest winds up to 5 mph in the evening becoming light.
Thursday... Mostly sunny. Highs in the lower 90s. West winds up to 5 mph.
Thursday Night... Partly cloudy. A 20% chance of thunderstorms after midnight. Lows in the lower 70s. North winds up to 5 mph.
Friday... Mostly sunny. Slight chance of showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 20%.
Friday Night... Mostly clear. A 20% chance of thunderstorms in the evening. Lows in the upper 60s.
Saturday... Sunny. Highs around 90.
Saturday Night... Partly cloudy. A 20% chance of showers after midnight. Lows in the lower 70s.
Sunday... Mostly sunny. Slight chance of showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 20%.
Sunday Night... Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 60s. Chance of precipitation 30%.
Monday... Partly sunny with chance of showers and slight chance of thunderstorms. Highs in the mid 80s. Chance of precipitation 40%.
Monday Night... Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 40%.
POP = Probability of Precipitation
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