Greenup, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenup, a village in Cumberland County, Illinois.
Tonight
57°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 57. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Greenup
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms | 13 to 18 mph S | 94% |
| Wednesday | 64°F | Slight Chance Light Rain then Mostly Cloudy | 9 to 14 mph SW | 24% |
| Wednesday Night | 44°F | Mostly Cloudy | 7 mph WSW | 0% |
| Thursday | 65°F | Sunny | 7 to 13 mph WSW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 5 mph WNW | 3% |
| Friday | 58°F | Partly Sunny | 5 to 10 mph NNW | 10% |
| Friday Night | 37°F | Partly Cloudy | 3 to 8 mph NNW | 5% |
| Saturday | 56°F | Mostly Sunny | 6 mph NNW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph WNW | 1% |
| Sunday | 61°F | Sunny | 2 to 8 mph W | 8% |
| Sunday Night | 34°F | Mostly Clear | 6 mph NW | 6% |
| Monday | 64°F | Sunny | 3 to 9 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 6 mph WSW | 1% |
| Tuesday | 67°F | Sunny | 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Greenup (39.248, -88.160). Updated through the day.
Growing snapshot for Greenup
Last spring frost
Apr 14
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
6b
More local growing data for Greenup: nearby ZIP 62428 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Casey, Il (9 mi from Greenup). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.