Zionsville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Zionsville, a town in Boone County, Indiana.
This Afternoon
82°F
Sunny
Sunny, with a high near 82. East northeast wind around 2 mph.
7-day forecast for Zionsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 2 mph ENE | 0% |
| Tonight | 61°F | Mostly Clear | 1 mph E | 0% |
| Wednesday | 83°F | Sunny | 0 to 5 mph WSW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 3 mph SSW | 9% |
| Thursday | 82°F | Isolated Showers And Thunderstorms | 3 to 8 mph SSW | 61% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 2 to 7 mph SSW | 61% |
| Friday | 82°F | Scattered Showers And Thunderstorms | 2 to 6 mph SSW | 38% |
| Friday Night | 65°F | Scattered Showers And Thunderstorms | 1 to 6 mph SW | 38% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SSW | 20% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SW | 20% |
| Sunday | 85°F | Mostly Sunny | 6 to 12 mph SW | 11% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 to 10 mph SW | 15% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 12 mph SW | 18% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 10 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov) for Zionsville (39.992, -86.322). Updated through the day.
Growing snapshot for Zionsville
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
More local growing data for Zionsville: nearby ZIP 46075 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Whitestown, In (2.1 mi from Zionsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.