Fairmount, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairmount, a town in Grant County, Indiana.
This Afternoon
69°F
Isolated Rain Showers
Isolated rain showers before 5pm. Mostly cloudy. High near 69, with temperatures falling to around 64 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Fairmount
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Isolated Rain Showers | 15 mph SW | 24% |
| Tonight | 46°F | Mostly Cloudy | 5 to 10 mph SW | 8% |
| Thursday | 60°F | Mostly Cloudy | 10 to 15 mph SW | 7% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph W | 42% |
| Friday | 53°F | Chance Rain Showers | 5 to 15 mph NW | 38% |
| Friday Night | 33°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 38% |
| Saturday | 53°F | Mostly Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 29°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 57°F | Sunny | 0 to 10 mph W | 0% |
| Sunday Night | 31°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 10 mph W | 0% |
| Monday Night | 36°F | Clear | 5 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 34°F | Mostly Clear | 0 to 5 mph NW | 2% |
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 Nov 4, 2026.