Greenfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenfield, a city in Greene County, Illinois.
Today
87°F
Sunny
Sunny, with a high near 87. South wind around 6 mph.
7-day forecast for Greenfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 6 mph S | 0% |
| Tonight | 65°F | Mostly Clear | 6 mph SE | 0% |
| Wednesday | 87°F | Mostly Sunny then Isolated Showers And Thunderstorms | 6 mph S | 17% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 6 mph S | 84% |
| Thursday | 84°F | Showers And Thunderstorms | 5 mph SW | 84% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 mph SE | 20% |
| Friday | 85°F | Partly Sunny | 3 mph SW | 11% |
| Friday Night | 66°F | Partly Cloudy then Chance Showers And Thunderstorms | 2 mph S | 26% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph S | 26% |
| Saturday Night | 70°F | Mostly Clear | 6 mph S | 6% |
| Sunday | 90°F | Sunny | 6 to 9 mph S | 5% |
| Sunday Night | 72°F | Mostly Clear | 8 mph S | 4% |
| Monday | 91°F | Mostly Sunny | 6 to 9 mph SW | 7% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 7 mph S | 21% |
Forecast source: National Weather Service (api.weather.gov) for Greenfield (39.344, -90.208). Updated through the day.
Growing snapshot for Greenfield
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6a
More local growing data for Greenfield: nearby ZIP 62044 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, White Hall 1 E, Il (10.8 mi from Greenfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.