Fairmount, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairmount, a village in Vermilion County, Illinois.
Overnight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. Southeast wind around 6 mph.
7-day forecast for Fairmount
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Mostly Cloudy | 6 mph SE | 12% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 6 mph SSE | 48% |
| Saturday Night | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 18% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 2 to 10 mph N | 65% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 14 mph NE | 62% |
| Monday | 69°F | Showers And Thunderstorms Likely | 13 to 16 mph NE | 69% |
| Monday Night | 54°F | Chance Rain Showers | 12 to 16 mph NE | 48% |
| Tuesday | 67°F | Chance Showers And Thunderstorms | 14 mph NE | 31% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 14 mph NNE | 31% |
| Wednesday | 69°F | Partly Sunny | 10 mph NNE | 7% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 10 mph NNE | 7% |
| Thursday | 71°F | Partly Sunny | 8 mph NNE | 2% |
| Thursday Night | 55°F | Partly Cloudy | 3 to 7 mph NNE | 2% |
| Friday | 74°F | Mostly Sunny | 5 to 9 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Fairmount (40.046, -87.829). Updated through the day.
Growing snapshot for Fairmount
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6a
More local growing data for Fairmount: nearby ZIP 61841 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Allerton
Alvan (Alvin)
Belgium
Bismarck
Catlin
Danville
East Lynn
Fithian
Georgetown
Henning
Hoopeston
Indianola
Muncie
Oakwood
Olivet
Potomac
Rankin
Ridge Farm
Rossville
Sidell
Tilton
Westville
Climate data from the nearest NOAA station, Sidell 4N, Il (4.6 mi from Fairmount). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.