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Greencastle, IN Weather Forecast
Greencastle, IN Weather Forecast Date: 228 AM EDT Tue Sep 29 2026
The area/counties/county of: Putnam, including the city of Greencastle.or toggle through each period.
Today... Sunny. Patchy fog toward daybreak. Highs in the upper 70s. Light and variable winds, becoming south around 5 mph.
Tonight... Partly cloudy. Lows in the mid 50s. Southeast winds around 5 mph.
Wednesday... Partly cloudy. Highs in the lower 80s. South winds 5 to 10 mph.
Wednesday Night... Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. Gusts up to 20 mph toward daybreak.
Thursday... Partly cloudy through early afternoon, then becoming mostly cloudy. Highs in the mid 80s. Southwest winds 10 to 15 mph.
Thursday Night... A chance of showers through the late overnight, then showers likely with a slight chance of thunderstorms toward daybreak. Lows in the mid 60s. Chance of rain 70%.
Friday... Showers. Not as warm with highs in the lower 70s. Chance of rain 80%.
Friday Night... Mostly cloudy through the late overnight, then becoming partly cloudy. A 40% chance of showers. Lows in the mid 50s.
Saturday... Partly cloudy with a 40% chance of showers. Highs in the upper 60s.
Saturday Night... Mostly cloudy. A slight chance of showers through the late overnight, then a chance of showers toward daybreak. Lows in the mid 50s. Chance of rain 30%.
Sunday... Partly cloudy. A slight chance of showers through early afternoon. Highs in the upper 60s. Chance of rain 20%.
Sunday Night... Mostly clear. Lows in the upper 40s.
POP = Probability of Precipitation
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