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Frankfort, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Frankfort, a city in Clinton County, Indiana.

This Afternoon
67°F
Slight Chance Light Rain
A slight chance of rain before 3pm. Mostly cloudy. High near 67, with temperatures falling to around 61 in the afternoon. Southwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Frankfort

WhenTempForecastWindPrecip
This Afternoon 67°F Slight Chance Light Rain 16 mph SW 24%
Tonight 46°F Mostly Cloudy 7 to 13 mph WSW 6%
Thursday 60°F Mostly Cloudy 9 to 16 mph WSW 3%
Thursday Night 40°F Chance Light Rain then Scattered Rain Showers 3 to 9 mph W 41%
Friday 54°F Scattered Rain Showers 6 to 14 mph NW 25%
Friday Night 34°F Partly Cloudy 6 to 13 mph NW 9%
Saturday 53°F Mostly Sunny 5 to 8 mph NW 0%
Saturday Night 30°F Partly Cloudy 1 to 5 mph WNW 1%
Sunday 57°F Sunny 3 to 12 mph W 3%
Sunday Night 31°F Mostly Clear 3 to 7 mph W 3%
Monday 61°F Sunny 2 to 9 mph WSW 2%
Monday Night 36°F Mostly Clear 6 mph SW 1%
Tuesday 65°F Sunny 5 to 8 mph W 1%
Tuesday Night 35°F Mostly Clear 1 to 5 mph NW 1%

Forecast source: National Weather Service (api.weather.gov) for Frankfort (40.281, -86.521). Updated through the day.

Growing snapshot for Frankfort

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

More local growing data for Frankfort: nearby ZIP 46041 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Frankfort Disposal, In (0.7 mi from Frankfort). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.