Coffeen, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coffeen, a city in Montgomery County, Illinois.
This Afternoon
98°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny. High near 98, with temperatures falling to around 94 in the afternoon. South wind around 2 mph. Chance of precipitation is 30%.
7-day forecast for Coffeen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Chance Showers And Thunderstorms | 2 mph S | 25% |
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SE | 23% |
| Saturday | 96°F | Mostly Sunny | 6 mph SW | 7% |
| Saturday Night | 70°F | Mostly Cloudy | 3 mph S | 6% |
| Sunday | 91°F | Chance Rain Showers | 1 to 6 mph NW | 25% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 7 mph N | 54% |
| Monday | 77°F | Rain Showers Likely | 5 to 10 mph NE | 60% |
| Monday Night | 57°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 60% |
| Tuesday | 71°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 26% |
| Tuesday Night | 52°F | Mostly Cloudy | 3 to 10 mph N | 4% |
| Wednesday | 74°F | Mostly Sunny | 8 mph N | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 1 to 8 mph N | 3% |
| Thursday | 76°F | Mostly Sunny | 2 to 7 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 6 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov) for Coffeen (39.088, -89.390). Updated through the day.
Growing snapshot for Coffeen
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6b
More local growing data for Coffeen: nearby ZIP 62017 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Butler
Coalton
Donnellson
Farmersville
Fillmore
Harvel
Hillsboro
Irving
Litchfield
Nokomis
Ohlman
Panama
Raymond
Schram City
Taylor Springs
Waggoner
Walshville
Wenonah
Witt
Climate data from the nearest NOAA station, Hillsboro, Il (9.4 mi from Coffeen). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.