Marion, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Grant County, Indiana.
This Afternoon
82°F
Sunny
Sunny, with a high near 82. East wind around 0 mph.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 0 mph | 0% |
| Tonight | 58°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 84°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Thursday | 81°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 65% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 65% |
| Friday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 37% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 37% |
| Saturday | 83°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 32% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 30% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 36% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 43% |
| Monday | 86°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 43% |
| Monday Night | 70°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph SW | 56% |
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 Aug 4, 2026.