Marion, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a community in Shelby County, Indiana.
This Afternoon
69°F
Slight Chance Light Rain
A slight chance of rain before 5pm. Cloudy. High near 69, with temperatures falling to around 66 in the afternoon. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Slight Chance Light Rain | 14 mph SW | 20% |
| Tonight | 47°F | Mostly Cloudy | 3 to 10 mph SW | 5% |
| Thursday | 63°F | Partly Sunny | 6 to 13 mph SW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 2 to 7 mph W | 10% |
| Friday | 55°F | Mostly Cloudy | 3 to 10 mph NW | 13% |
| Friday Night | 35°F | Partly Cloudy | 5 to 9 mph NNW | 12% |
| Saturday | 53°F | Mostly Sunny | 3 to 8 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Sunday | 57°F | Sunny | 1 to 8 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 1 to 6 mph WNW | 0% |
| Monday | 61°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 36°F | Clear | 5 mph SW | 0% |
| Tuesday | 63°F | Sunny | 6 mph WSW | 1% |
| Tuesday Night | 37°F | Mostly Clear | 1 to 5 mph NW | 2% |
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 Nov 4, 2026.