Zionsville, IN Weather & Growing Conditions
This Afternoon
84°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Chance Showers And Thunderstorms | 8 mph SW | 56% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph S | 19% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 3 to 9 mph WNW | 63% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 13 mph NE | 61% |
| Monday | 68°F | Showers And Thunderstorms Likely | 15 mph ENE | 61% |
| Monday Night | 52°F | Chance Rain Showers | 12 to 15 mph NE | 52% |
| Tuesday | 67°F | Chance Rain Showers | 14 mph NE | 34% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms | 7 to 14 mph NNE | 34% |
| Wednesday | 68°F | Mostly Cloudy | 7 to 10 mph NNE | 14% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 to 10 mph NNE | 9% |
| Thursday | 69°F | Partly Sunny | 6 to 9 mph NNE | 3% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 9 mph NNE | 3% |
| Friday | 72°F | Mostly Sunny | 6 to 10 mph NNE | 3% |
| Friday Night | 52°F | Partly Cloudy | 5 to 9 mph NE | 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 (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.