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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Cadiz
Dunreith
Greensboro
Kennard
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Millville
Mooreland
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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 Sep 19, 2026.