Greenup, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenup, a village in Cumberland County, Illinois.
Today
85°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 85. South wind around 3 mph.
7-day forecast for Greenup
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Sunny | 3 mph S | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 86°F | Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 31% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 3 to 7 mph SSW | 60% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 3 mph SSW | 42% |
| Friday | 84°F | Chance Showers And Thunderstorms | 5 mph SSW | 26% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 3 mph SSW | 21% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 20% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 17% |
| Sunday | 87°F | Sunny | 5 to 10 mph SSW | 8% |
| Sunday Night | 71°F | Mostly Clear | 8 mph SSW | 8% |
| Monday | 88°F | Mostly Sunny | 7 to 10 mph SW | 11% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 8 mph SSW | 24% |
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 Aug 4, 2026.