Arenzville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arenzville, a village in Cass County, Illinois.
Today
88°F
Sunny
Sunny, with a high near 88. South wind around 6 mph.
7-day forecast for Arenzville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 6 mph S | 0% |
| Tonight | 68°F | Partly Cloudy | 6 mph SSE | 6% |
| Wednesday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph SSW | 35% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 mph SSE | 79% |
| Thursday | 83°F | Showers And Thunderstorms | 5 mph SSW | 79% |
| Thursday Night | 65°F | Partly Cloudy | 2 mph SE | 13% |
| Friday | 85°F | Mostly Sunny | 1 mph SSW | 7% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 2 mph S | 25% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph SSW | 24% |
| Saturday Night | 71°F | Mostly Clear | 3 to 8 mph SSW | 8% |
| Sunday | 91°F | Sunny | 12 mph SSW | 3% |
| Sunday Night | 72°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 mph SSW | 15% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSW | 15% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 25% |
Forecast source: National Weather Service (api.weather.gov) for Arenzville (39.880, -90.371). Updated through the day.
Growing snapshot for Arenzville
Last spring frost
Apr 19
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6a
More local growing data for Arenzville: nearby ZIP 62611 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jacksonville 2E, Il (14.8 mi from Arenzville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.