Argenta, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Argenta, a village in Macon County, Illinois.
This Afternoon
85°F
Slight Chance Showers And Thunderstorms
A chance of rain showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 85. East northeast wind around 10 mph. Chance of precipitation is 40%.
7-day forecast for Argenta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Slight Chance Showers And Thunderstorms | 10 mph ENE | 39% |
| Tonight | 69°F | Partly Cloudy | 10 mph ESE | 4% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 20% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph S | 24% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 15 mph N | 51% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 13 to 16 mph NE | 65% |
| Monday | 70°F | Showers And Thunderstorms Likely | 18 mph NE | 68% |
| Monday Night | 54°F | Showers And Thunderstorms Likely | 15 to 18 mph NE | 61% |
| Tuesday | 67°F | Chance Rain Showers | 17 mph NE | 35% |
| Tuesday Night | 51°F | Mostly Cloudy | 9 to 17 mph NNE | 8% |
| Wednesday | 70°F | Partly Sunny | 10 to 14 mph NNE | 3% |
| Wednesday Night | 52°F | Mostly Cloudy | 6 to 13 mph NNE | 3% |
| Thursday | 71°F | Mostly Sunny | 7 to 12 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 5 to 12 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Argenta (39.986, -88.820). Updated through the day.
Growing snapshot for Argenta
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Argenta: nearby ZIP 62501 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Boody
Dalton City
Decatur
Elwin
Forsyth
Harristown
Long Creek
Macon
Maroa
Mount Zion
Niantic
Oreana
Warrensburg
Climate data from the nearest NOAA station, Decatur Ap, Il (6.9 mi from Argenta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.