Argenta, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Argenta, a village in Macon County, Illinois.
Overnight
57°F
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 57. South southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Argenta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Light Rain Likely | 14 to 17 mph SSW | 61% |
| Wednesday | 61°F | Patchy Drizzle | 13 to 16 mph SW | 14% |
| Wednesday Night | 46°F | Patchy Drizzle then Mostly Cloudy | 13 mph WSW | 10% |
| Thursday | 61°F | Partly Sunny then Slight Chance Light Rain | 13 to 16 mph WSW | 15% |
| Thursday Night | 41°F | Mostly Cloudy | 6 to 10 mph NW | 7% |
| Friday | 53°F | Partly Sunny | 14 mph NNW | 7% |
| Friday Night | 32°F | Partly Cloudy | 5 to 12 mph NNW | 0% |
| Saturday | 53°F | Sunny | 5 to 8 mph NNW | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 mph WNW | 1% |
| Sunday | 58°F | Sunny | 3 to 12 mph WNW | 1% |
| Sunday Night | 32°F | Clear | 2 to 7 mph W | 1% |
| Monday | 63°F | Sunny | 2 to 10 mph SW | 0% |
| Monday Night | 37°F | Clear | 5 to 8 mph SW | 0% |
| Tuesday | 66°F | Sunny | 7 mph WNW | 1% |
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 Nov 4, 2026.