Fairmount, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairmount, a town in Grant County, Indiana.
This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. Northeast wind around 10 mph.
7-day forecast for Fairmount
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 10 mph NE | 4% |
| Tonight | 59°F | Partly Cloudy | 5 to 10 mph E | 11% |
| Saturday | 81°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SE | 84% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 mph S | 60% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 69% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 69% |
| Monday | 68°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 63% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 44% |
| Tuesday | 67°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 29% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 16% |
| Wednesday | 68°F | Mostly Cloudy | 10 mph NE | 13% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Thursday | 70°F | Partly Sunny | 5 to 10 mph N | 8% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 8% |
Forecast source: National Weather Service (api.weather.gov) for Fairmount (40.417, -85.648). Updated through the day.
Growing snapshot for Fairmount
Last spring frost
Apr 24
First fall frost
Oct 18
Growing season
175 days
Hardiness zone
6a
More local growing data for Fairmount: nearby ZIP 46928 weather · frost dates · planting calendar · Indiana frost dates
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Shamrock Lakes
Sims
Swayzee
Sweetser
Upland
Van Buren
Climate data from the nearest NOAA station, Elwood, In (11.9 mi from Fairmount). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.