Zionsville, IN Weather & Growing Conditions
Overnight
63°F
Scattered Rain Showers
Scattered rain showers after 5am. Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. East southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Scattered Rain Showers | 7 mph ESE | 11% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 8 mph SSE | 67% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 7 mph SSE | 49% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 48% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 12 mph NE | 65% |
| Monday | 70°F | Showers And Thunderstorms Likely | 14 mph ENE | 65% |
| Monday Night | 53°F | Chance Showers And Thunderstorms | 14 mph NE | 45% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 14 mph NE | 30% |
| Tuesday Night | 53°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 14 mph NNE | 17% |
| Wednesday | 69°F | Mostly Cloudy | 7 to 10 mph NNE | 6% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Thursday | 70°F | Partly Sunny | 5 to 9 mph N | 4% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 9 mph NNE | 4% |
| Friday | 71°F | Mostly Sunny | 5 to 9 mph NNE | 5% |
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 Sep 19, 2026.