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Clayton, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Clayton, a town in Hendricks County, Indiana.

Overnight
65°F
Mostly Cloudy
Mostly cloudy. Low around 65, with temperatures rising to around 69 overnight. East southeast wind around 7 mph.

7-day forecast for Clayton

WhenTempForecastWindPrecip
Overnight 65°F Mostly Cloudy 7 mph ESE 11%
Saturday 87°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 8 mph S 65%
Saturday Night 69°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 7 mph S 22%
Sunday 84°F Mostly Sunny then Chance Showers And Thunderstorms 7 mph WSW 32%
Sunday Night 62°F Showers And Thunderstorms Likely 8 to 12 mph NNE 59%
Monday 73°F Showers And Thunderstorms Likely 13 mph NE 59%
Monday Night 56°F Chance Showers And Thunderstorms 12 to 16 mph NE 49%
Tuesday 70°F Chance Showers And Thunderstorms 13 mph NE 38%
Tuesday Night 56°F Chance Showers And Thunderstorms then Mostly Cloudy 7 to 14 mph NNE 28%
Wednesday 69°F Mostly Cloudy 7 to 10 mph NNE 5%
Wednesday Night 55°F Mostly Cloudy 5 to 10 mph N 5%
Thursday 71°F Partly Sunny 6 to 9 mph N 5%
Thursday Night 56°F Mostly Cloudy 5 to 9 mph NNE 5%
Friday 72°F Partly Sunny 6 to 9 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Clayton (39.688, -86.522). Updated through the day.

Growing snapshot for Clayton

Last spring frost
Apr 12
First fall frost
Oct 27
Growing season
196 days
Hardiness zone
6a

More local growing data for Clayton: nearby ZIP 46118 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Indianapolis Nwfo, In (13.7 mi from Clayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.