Marion, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a community in Shelby County, Indiana.
Overnight
65°F
Mostly Cloudy
Mostly cloudy. Low around 65, with temperatures rising to around 69 overnight. East southeast wind around 7 mph.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 7 mph ESE | 2% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph S | 64% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph SSE | 28% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 30% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 12 mph NNE | 53% |
| Monday | 71°F | Rain Showers Likely | 13 mph NE | 61% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 58% |
| Tuesday | 71°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 42% |
| Tuesday Night | 56°F | Chance Showers And Thunderstorms | 6 to 13 mph NNE | 30% |
| Wednesday | 70°F | Slight Chance Rain Showers | 6 to 9 mph NNE | 19% |
| Wednesday Night | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 9 mph NNE | 15% |
| Thursday | 71°F | Partly Sunny | 5 to 9 mph N | 6% |
| Thursday Night | 55°F | Mostly Cloudy | 5 to 9 mph NNE | 6% |
| Friday | 73°F | Mostly Sunny | 5 to 9 mph NNE | 3% |
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 Sep 19, 2026.