Harman US

Zionsville, IN Weather & Growing Conditions

This Afternoon
68°F
Chance Light Rain
A chance of rain before 3pm. Cloudy. High near 68, with temperatures falling to around 61 in the afternoon. Southwest wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Chance Light Rain 13 to 16 mph SW 25%
Tonight 46°F Mostly Cloudy 7 to 12 mph WSW 6%
Thursday 60°F Mostly Cloudy 9 to 16 mph SW 3%
Thursday Night 40°F Chance Light Rain 5 to 8 mph W 31%
Friday 52°F Slight Chance Light Rain 7 to 13 mph NNW 19%
Friday Night 32°F Partly Cloudy 6 to 10 mph NW 13%
Saturday 52°F Mostly Sunny 5 to 8 mph NW 0%
Saturday Night 28°F Mostly Clear 5 mph WNW 0%
Sunday 57°F Sunny 2 to 10 mph W 0%
Sunday Night 31°F Mostly Clear 2 to 6 mph W 0%
Monday 61°F Sunny 2 to 8 mph WSW 0%
Monday Night 35°F Clear 7 mph SW 0%
Tuesday 63°F Sunny 7 mph W 2%
Tuesday Night 35°F Mostly Clear 1 to 5 mph NW 2%

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

Growing snapshot for Zionsville, IN

Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Whitestown, In (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.