Harman US

Knightstown, IN Weather & Growing Conditions

This Afternoon
68°F
Rain Showers Likely
Rain showers likely before 5pm. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South southwest wind 12 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Rain Showers Likely 12 to 15 mph SSW 60%
Tonight 48°F Mostly Cloudy 7 to 10 mph SW 6%
Thursday 62°F Partly Sunny 8 to 14 mph SW 3%
Thursday Night 43°F Mostly Cloudy 2 to 8 mph WSW 2%
Friday 55°F Isolated Rain Showers 2 to 10 mph WNW 16%
Friday Night 36°F Mostly Cloudy 5 to 9 mph NW 14%
Saturday 53°F Mostly Sunny 7 mph NW 3%
Saturday Night 32°F Partly Cloudy 3 mph NW 1%
Sunday 56°F Sunny 2 to 8 mph W 3%
Sunday Night 32°F Mostly Clear 2 to 6 mph W 3%
Monday 59°F Sunny 2 to 7 mph WSW 3%
Monday Night 36°F Mostly Clear 5 mph SW 1%
Tuesday 63°F Sunny 7 mph W 1%
Tuesday Night 37°F Mostly Clear 3 mph NNW 1%

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 Nov 4, 2026.