Argenta, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Argenta, a village in Macon County, Illinois.
Overnight
62°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 62. Southeast wind around 3 mph.
7-day forecast for Argenta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Patchy Fog | 3 mph SE | 0% |
| Tuesday | 85°F | Patchy Fog then Sunny | 6 mph S | 0% |
| Tuesday Night | 66°F | Mostly Clear | 6 mph SSE | 1% |
| Wednesday | 86°F | Mostly Sunny | 5 to 9 mph S | 9% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 7 mph S | 80% |
| Thursday | 81°F | Showers And Thunderstorms | 8 mph SSW | 80% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 3 to 7 mph SSE | 27% |
| Friday | 83°F | Mostly Sunny | 6 mph SSW | 11% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SSW | 25% |
| Saturday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 8 mph SSW | 17% |
| Saturday Night | 70°F | Mostly Clear | 9 mph SSW | 13% |
| Sunday | 87°F | Sunny | 9 to 15 mph SSW | 8% |
| Sunday Night | 72°F | Mostly Clear | 10 to 14 mph SSW | 11% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph SSW | 15% |
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 Aug 4, 2026.