Farmer City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farmer City, a city in De Witt County, Illinois.
Today
84°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 84. South wind 3 to 7 mph.
7-day forecast for Farmer City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Mostly Sunny | 3 to 7 mph S | 0% |
| Tonight | 66°F | Mostly Clear | 6 mph SSE | 1% |
| Wednesday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SSW | 16% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 8 mph S | 81% |
| Thursday | 81°F | Showers And Thunderstorms | 7 mph SSW | 81% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 6 mph SSE | 25% |
| Friday | 82°F | Mostly Sunny | 5 mph SSW | 10% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 5 mph S | 26% |
| Saturday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 8 mph SSW | 16% |
| Saturday Night | 69°F | Mostly Clear | 6 to 10 mph SSW | 13% |
| Sunday | 87°F | Sunny | 10 to 15 mph SSW | 8% |
| Sunday Night | 71°F | Partly Cloudy | 14 mph SSW | 12% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 14 mph SSW | 17% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 13 mph SW | 29% |
Forecast source: National Weather Service (api.weather.gov) for Farmer City (40.248, -88.642). Updated through the day.
Growing snapshot for Farmer City
Last spring frost
Apr 23
First fall frost
Oct 13
Growing season
170 days
Hardiness zone
6a
More local growing data for Farmer City: nearby ZIP 61842 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Champaign 9 Sw, Il (20.1 mi from Farmer City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.