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Knightsville, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Knightsville, a town in Clay County, Indiana.

This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. West southwest wind around 14 mph, with gusts as high as 21 mph.

7-day forecast for Knightsville

WhenTempForecastWindPrecip
This Afternoon 68°F Mostly Cloudy 14 mph WSW 9%
Tonight 47°F Mostly Cloudy 5 to 10 mph WSW 5%
Thursday 61°F Partly Sunny 6 to 13 mph SW 0%
Thursday Night 43°F Mostly Cloudy 1 to 7 mph WNW 14%
Friday 54°F Mostly Cloudy 5 to 10 mph NNW 5%
Friday Night 33°F Partly Cloudy 2 to 7 mph NNW 2%
Saturday 53°F Sunny 2 to 7 mph NW 0%
Saturday Night 29°F Mostly Clear 0 to 3 mph NNW 0%
Sunday 58°F Sunny 0 to 8 mph WNW 0%
Sunday Night 32°F Mostly Clear 0 to 3 mph NW 0%
Monday 62°F Sunny 0 to 7 mph WNW 0%
Monday Night 36°F Clear 5 mph SW 0%
Tuesday 63°F Sunny 1 to 6 mph W 2%
Tuesday Night 36°F Mostly Clear 0 to 3 mph NW 2%

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

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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 Nov 4, 2026.