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Knightstown, IN Weather & Growing Conditions

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

Overnight
62°F
Mostly Cloudy
Mostly cloudy. Low around 62, with temperatures rising to around 67 overnight. East southeast wind around 7 mph.

7-day forecast for Knightstown

WhenTempForecastWindPrecip
Overnight 62°F Mostly Cloudy 7 mph ESE 3%
Saturday 86°F Partly Sunny then Chance Showers And Thunderstorms 7 mph S 65%
Saturday Night 67°F Chance Showers And Thunderstorms then Mostly Cloudy 5 mph S 29%
Sunday 84°F Chance Showers And Thunderstorms 5 mph WSW 47%
Sunday Night 60°F Showers And Thunderstorms Likely 6 to 9 mph NE 57%
Monday 73°F Showers And Thunderstorms Likely 8 to 12 mph ENE 59%
Monday Night 55°F Chance Showers And Thunderstorms 8 to 13 mph NE 51%
Tuesday 71°F Chance Showers And Thunderstorms 12 mph NE 40%
Tuesday Night 55°F Slight Chance Showers And Thunderstorms 5 to 12 mph NE 21%
Wednesday 70°F Mostly Cloudy 6 to 9 mph NNE 11%
Wednesday Night 55°F Mostly Cloudy 3 to 9 mph NNE 11%
Thursday 72°F Partly Sunny 7 mph N 8%
Thursday Night 54°F Mostly Cloudy 2 to 7 mph NNE 8%
Friday 72°F Partly Sunny 3 to 7 mph NNE 5%

Forecast source: National Weather Service (api.weather.gov) for Knightstown (39.796, -85.531). Updated through the day.

Growing snapshot for Knightstown

Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
6a

More local growing data for Knightstown: nearby ZIP 46148 weather · frost dates · planting calendar · Indiana frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, New Castle 3 Sw, In (9 mi from Knightstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.