Frankfort, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Frankfort, a city in Clinton County, Indiana.
This Afternoon
83°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 5pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. West southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Frankfort
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Showers And Thunderstorms Likely | 7 mph WSW | 66% |
| Tonight | 67°F | Slight Chance Showers And Thunderstorms | 6 mph S | 24% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 3 to 9 mph NNW | 73% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 72% |
| Monday | 67°F | Showers And Thunderstorms Likely | 16 mph ENE | 58% |
| Monday Night | 52°F | Chance Rain Showers | 12 to 16 mph NE | 42% |
| Tuesday | 66°F | Chance Showers And Thunderstorms | 15 mph NE | 26% |
| Tuesday Night | 52°F | Chance Showers And Thunderstorms | 8 to 15 mph NE | 26% |
| Wednesday | 67°F | Mostly Cloudy | 10 mph NNE | 14% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 9% |
| Thursday | 69°F | Partly Sunny | 6 to 10 mph NNE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Friday | 71°F | Mostly Sunny | 5 to 9 mph NE | 2% |
| Friday Night | 51°F | Partly Cloudy | 3 to 8 mph NE | 2% |
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
Nearby towns & communities
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 Sep 19, 2026.