Marion, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Grant County, Indiana.
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Southwest wind 5 to 10 mph.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 5 to 10 mph SW | 8% |
| Thursday | 60°F | Mostly Cloudy | 5 to 15 mph SW | 7% |
| Thursday Night | 43°F | Chance Rain Showers | 5 mph W | 38% |
| Friday | 53°F | Chance Rain Showers | 5 to 10 mph NW | 37% |
| Friday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 37% |
| Saturday | 53°F | Mostly Sunny | 5 to 10 mph NW | 2% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 57°F | Sunny | 0 to 10 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 5 mph W | 0% |
| Monday Night | 37°F | Clear | 5 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 2% |
| Veterans Day | 61°F | Mostly Sunny | 0 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Marion (40.550, -85.660). Updated through the day.
Growing snapshot for Marion
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a
More local growing data for Marion: nearby ZIP 46953 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Converse
Fairmount
Fowlerton
Gas City
Herbst
Jalapa
Jonesboro
Landess
Matthews
Mier
Point Isabel
Shamrock Lakes
Sims
Swayzee
Sweetser
Upland
Van Buren
Climate data from the nearest NOAA station, Marion 2 N, In (4.2 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.