Greenup, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenup, a village in Cumberland County, Illinois.
This Afternoon
92°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 92. West wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Greenup
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 30% |
| Tonight | 70°F | Mostly Cloudy | 6 mph SSE | 14% |
| Sunday | 90°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph WNW | 19% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 8 to 13 mph NNE | 44% |
| Monday | 77°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 56% |
| Monday Night | 57°F | Chance Rain Showers | 12 mph NE | 42% |
| Tuesday | 71°F | Chance Rain Showers | 13 mph NE | 36% |
| Tuesday Night | 54°F | Mostly Cloudy | 6 to 13 mph NNE | 11% |
| Wednesday | 72°F | Partly Sunny | 10 mph N | 11% |
| Wednesday Night | 55°F | Mostly Cloudy | 3 to 10 mph N | 1% |
| Thursday | 75°F | Partly Sunny | 8 mph N | 1% |
| Thursday Night | 56°F | Mostly Cloudy | 3 to 7 mph NNE | 1% |
| Friday | 77°F | Partly Sunny | 5 to 8 mph NNE | 3% |
| Friday Night | 56°F | Partly Cloudy | 7 mph NNE | 3% |
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 Sep 19, 2026.