Harman US

Zionsville, IN Weather & Growing Conditions

This Afternoon
67°F
Chance Light Rain
A chance of rain before 4pm. Cloudy. High near 67, with temperatures falling to around 61 in the afternoon. Southwest wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Chance Light Rain 12 to 15 mph SW 25%
Tonight 47°F Mostly Cloudy 7 to 10 mph WSW 6%
Thursday 60°F Mostly Cloudy 8 to 15 mph SW 2%
Thursday Night 41°F Mostly Cloudy 3 to 8 mph W 10%
Friday 54°F Isolated Rain Showers 3 to 12 mph NW 17%
Friday Night 34°F Partly Cloudy 6 to 10 mph NW 8%
Saturday 52°F Mostly Sunny 5 to 8 mph NW 0%
Saturday Night 31°F Partly Cloudy 5 mph NW 1%
Sunday 57°F Sunny 2 to 10 mph W 3%
Sunday Night 31°F Mostly Clear 3 to 7 mph W 3%
Monday 60°F Sunny 2 to 8 mph WSW 2%
Monday Night 36°F Mostly Clear 6 mph SW 1%
Tuesday 64°F Sunny 5 to 8 mph W 1%
Tuesday Night 36°F Mostly Clear 1 to 5 mph NW 1%

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 (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.