Knightstown, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knightstown, a town in Henry County, Indiana.
Today
83°F
Sunny
Sunny, with a high near 83. East northeast wind around 1 mph.
7-day forecast for Knightstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 1 mph ENE | 0% |
| Tonight | 61°F | Mostly Clear | 1 mph NE | 0% |
| Wednesday | 85°F | Sunny | 2 mph WNW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 1 mph SSW | 4% |
| Thursday | 84°F | Partly Sunny then Scattered Showers And Thunderstorms | 1 to 6 mph SSW | 45% |
| Thursday Night | 66°F | Scattered Showers And Thunderstorms | 3 mph SW | 59% |
| Friday | 83°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 59% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 3 mph SW | 55% |
| Saturday | 84°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 23% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSW | 23% |
| Sunday | 86°F | Mostly Sunny | 2 to 8 mph SW | 14% |
| Sunday Night | 69°F | Partly Cloudy | 6 mph SW | 14% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 24% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SW | 31% |
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
Cadiz
Dunreith
Greensboro
Kennard
Lewisville
Middletown
Millville
Mooreland
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New Castle
New Lisbon
Shirley
Spiceland
Springport
Straughn
Sulphur Springs
Westwood
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 Aug 4, 2026.