Harman US

Frankfort, IN Weather & Growing Conditions

Tonight
63°F
Partly Cloudy then Chance Rain Showers
A chance of rain showers after 5am. Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. East wind around 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 63°F Partly Cloudy then Chance Rain Showers 9 mph E 14%
Saturday 83°F Chance Showers And Thunderstorms 9 mph SSE 68%
Saturday Night 67°F Chance Showers And Thunderstorms 6 mph S 49%
Sunday 81°F Showers And Thunderstorms Likely 3 to 9 mph WNW 58%
Sunday Night 58°F Showers And Thunderstorms Likely 13 mph NE 66%
Monday 69°F Showers And Thunderstorms Likely 12 to 15 mph ENE 66%
Monday Night 53°F Chance Showers And Thunderstorms 13 to 16 mph NE 46%
Tuesday 67°F Chance Showers And Thunderstorms 15 mph NE 29%
Tuesday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 7 to 14 mph NE 16%
Wednesday 68°F Mostly Cloudy 7 to 10 mph NNE 7%
Wednesday Night 53°F Mostly Cloudy 5 to 10 mph NNE 4%
Thursday 70°F Partly Sunny 5 to 9 mph N 4%
Thursday Night 53°F Mostly Cloudy 3 to 9 mph NNE 4%
Friday 71°F Mostly Sunny 3 to 9 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Frankfort, IN

Last spring frost
Apr 21
First fall frost
Oct 21
Growing season
181 days
Hardiness zone
6a

Explore more for Frankfort, IN: full frost dates · planting calendar · Indiana frost dates

Climate data from the nearest NOAA station, Frankfort Disposal, In (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.