Greenfield, IL Weather & Growing Conditions
Tonight
55°F
Rain
Rain before 4am, then a slight chance of drizzle. Cloudy, with a low around 55. South wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain | 10 to 16 mph S | 78% |
| Wednesday | 61°F | Slight Chance Drizzle then Mostly Cloudy | 9 to 14 mph SW | 12% |
| Wednesday Night | 40°F | Partly Cloudy | 8 mph SW | 0% |
| Thursday | 63°F | Mostly Sunny | 6 to 12 mph W | 4% |
| Thursday Night | 40°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 22% |
| Friday | 57°F | Partly Sunny | 6 to 9 mph NW | 7% |
| Friday Night | 35°F | Mostly Cloudy | 2 to 7 mph N | 2% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 61°F | Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 4% |
| Monday | 65°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 68°F | Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenfield, IL
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6a
Explore more for Greenfield, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, White Hall 1 E, Il (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.