Harman US

Knightstown, IN Weather & Growing Conditions

Overnight
62°F
Mostly Cloudy
Mostly cloudy. Low around 62, with temperatures rising to around 66 overnight. East southeast wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Mostly Cloudy 6 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 SSE 29%
Sunday 84°F Partly Sunny then Chance Showers And Thunderstorms 3 to 7 mph W 37%
Sunday Night 58°F Showers And Thunderstorms Likely 10 mph NNE 60%
Monday 69°F Showers And Thunderstorms Likely 13 mph ENE 60%
Monday Night 53°F Chance Showers And Thunderstorms 8 to 13 mph NE 53%
Tuesday 69°F Slight Chance Showers And Thunderstorms 12 mph NE 24%
Tuesday Night 55°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 to 12 mph NE 33%
Wednesday 69°F Slight Chance Rain Showers 5 to 8 mph NNE 24%
Wednesday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 3 to 8 mph NNE 22%
Thursday 70°F Mostly Cloudy 5 to 8 mph NNE 6%
Thursday Night 53°F Mostly Cloudy 3 to 8 mph NNE 6%
Friday 72°F Mostly Sunny 5 to 8 mph NNE 5%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Knightstown, IN

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

Explore more for Knightstown, IN: full frost dates · planting calendar · Indiana frost dates

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