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Decker, IN Weather Forecast
Decker, IN Weather Forecast Date: 738 PM EDT Tue Sep 08 2026
The area/counties/county of: Knox, including the city of Vincennes.or toggle through each period.
Tonight... Mostly clear. Warmer with lows in the lower 70s. South winds 5 to 10 mph.
Wednesday... Mostly sunny with a slight chance of showers through early afternoon, then partly cloudy with a chance of showers and thunderstorms late in the afternoon. Hot with highs in the mid 90s. Southwest winds 10 to 15 mph. Chance of rain 50%.
Wednesday Night... Partly cloudy through the late overnight. A chance of thunderstorms. A chance of showers through the late overnight, then showers toward daybreak. Humid with lows around 70. Southwest winds around 5 mph. Chance of rain near 100%.
Thursday... Showers with a slight chance of thunderstorms through early afternoon, then showers likely with a chance of thunderstorms late in the afternoon. Not as warm. Humid with highs in the lower 80s. West winds around 5 mph, becoming northwest around 5 mph late in the afternoon. Chance of rain near 100%.
Thursday Night... Partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph.
Friday... Partly cloudy through early afternoon, then clearing. Highs in the mid 80s.
Friday Night... Mostly clear. Lows in the mid 60s.
Saturday... Mostly sunny with a 20% chance of showers. Hot with highs in the lower 90s.
Saturday Night... Partly cloudy through the late overnight, then clearing. A 20% chance of showers. Lows in the upper 60s.
Sunday... Partly cloudy through early afternoon, then clearing. A slight chance of showers. A slight chance of thunderstorms late in the afternoon. Hot with highs around 90. Chance of rain 20%.
Sunday Night... Mostly clear. A 20% chance of showers. Hot. Lows in the mid 60s. Highs around 90.
Monday... Mostly clear. A 20% chance of showers. Hot. Lows in the mid 60s. Highs around 90.
Monday Night... Mostly clear with a slight chance of showers. A slight chance of thunderstorms toward daybreak. Lows in the upper 60s. Chance of rain 20%.
POP = Probability of Precipitation
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