Marion, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a community in Shelby County, Indiana.
Today
83°F
Sunny
Sunny. High near 83, with temperatures falling to around 81 in the afternoon. East northeast wind around 2 mph.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph ENE | 0% |
| Tonight | 62°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 85°F | Sunny | 2 mph WNW | 0% |
| Wednesday Night | 66°F | Mostly Clear | 2 mph S | 3% |
| Thursday | 85°F | Mostly Sunny then Scattered Showers And Thunderstorms | 2 to 6 mph SSW | 41% |
| Thursday Night | 67°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 6 mph SSW | 60% |
| Friday | 83°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 60% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 57% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 1 to 6 mph SSW | 25% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 25% |
| Sunday | 87°F | Mostly Sunny | 2 to 8 mph SW | 14% |
| Sunday Night | 70°F | Partly Cloudy | 7 mph SW | 14% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 20% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph SW | 29% |
Forecast source: National Weather Service (api.weather.gov) for Marion (39.590, -85.756). Updated through the day.
Growing snapshot for Marion
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Marion: nearby ZIP 46176 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Boggstown
Carrollton
Edinburgh
Fairland
Flat Rock
Fountaintown
Geneva
Gwynneville
London
Marietta
Morristown
Pleasant View Village
Shelbyville
Waldron
Climate data from the nearest NOAA station, Shelbyville Sewage Plt, In (1 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.