Vienna, IL Weather & Growing Conditions
Overnight
56°F
Mostly Cloudy
Mostly cloudy. Low around 56, with temperatures rising to around 59 overnight. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Cloudy | 6 mph SW | 9% |
| Wednesday | 64°F | Partly Sunny | 3 to 9 mph W | 7% |
| Wednesday Night | 43°F | Mostly Clear | 2 mph WSW | 0% |
| Thursday | 69°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 1 mph WNW | 0% |
| Friday | 62°F | Partly Sunny | 2 to 9 mph NNW | 0% |
| Friday Night | 37°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 1 mph N | 0% |
| Sunday | 62°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 33°F | Clear | 1 mph NNW | 0% |
| Monday | 65°F | Sunny | 0 to 3 mph WSW | 0% |
| Monday Night | 37°F | Clear | 1 mph WNW | 1% |
| Tuesday | 69°F | Sunny | 0 to 3 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vienna, IL
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
7a
Explore more for Vienna, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Dixon Springs Agric Ctr, Il (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.