Knightsville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knightsville, a town in Clay County, Indiana.
Today
90°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 87 in the afternoon. South southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Knightsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Slight Chance Showers And Thunderstorms | 7 mph SSW | 50% |
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph SSE | 19% |
| Sunday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph WNW | 28% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 12 mph NE | 55% |
| Monday | 72°F | Showers And Thunderstorms Likely | 13 mph NE | 66% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 9 to 15 mph NE | 66% |
| Tuesday | 70°F | Chance Showers And Thunderstorms | 12 mph NE | 36% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms | 6 to 12 mph NNE | 31% |
| Wednesday | 71°F | Partly Sunny | 6 to 9 mph NNE | 8% |
| Wednesday Night | 55°F | Mostly Cloudy | 3 to 9 mph N | 7% |
| Thursday | 72°F | Mostly Sunny | 5 to 9 mph N | 3% |
| Thursday Night | 56°F | Partly Cloudy | 3 to 9 mph NNE | 3% |
| Friday | 74°F | Mostly Sunny | 3 to 9 mph NNE | 1% |
| Friday Night | 54°F | Partly Cloudy | 3 to 9 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Knightsville (39.525, -87.089). Updated through the day.
Growing snapshot for Knightsville
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6a
More local growing data for Knightsville: nearby ZIP 47857 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Billtown
Bowling Green
Brazil
Center Point
Clay City
Cloverland
Coalmont
Cory
Harmony
Lewis
Middlebury
Saline City
Staunton
Climate data from the nearest NOAA station, Terre Haute Caa Ap, In (12.3 mi from Knightsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.