Arenzville, IL Weather & Growing Conditions
Overnight
55°F
Mostly Cloudy
Mostly cloudy, with a low around 55. Southwest wind around 12 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Cloudy | 12 mph SW | 14% |
| Wednesday | 59°F | Patchy Drizzle | 12 to 15 mph WSW | 10% |
| Wednesday Night | 46°F | Patchy Drizzle then Mostly Cloudy | 10 mph WSW | 10% |
| Thursday | 60°F | Mostly Cloudy | 13 mph W | 9% |
| Thursday Night | 43°F | Mostly Cloudy | 5 to 8 mph NW | 11% |
| Friday | 54°F | Partly Sunny | 7 to 10 mph NNW | 3% |
| Friday Night | 32°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Saturday | 54°F | Mostly Sunny | 0 to 3 mph NNW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 59°F | Sunny | 1 to 6 mph W | 2% |
| Sunday Night | 34°F | Clear | 2 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 6 mph SW | 0% |
| Monday Night | 39°F | Clear | 3 mph SW | 0% |
| Tuesday | 66°F | Sunny | 3 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arenzville, IL
Last spring frost
Apr 19
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6a
Explore more for Arenzville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Jacksonville 2E, Il (14.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.