Vienna, IL Weather & Growing Conditions
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. South southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 1 mph SSE | 0% |
| Sunday | 96°F | Mostly Sunny | 1 to 7 mph SW | 1% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph NNE | 15% |
| Monday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph N | 26% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 6 mph N | 26% |
| Tuesday | 79°F | Chance Rain Showers then Mostly Sunny | 5 to 9 mph NNE | 25% |
| Tuesday Night | 57°F | Partly Cloudy | 3 to 10 mph N | 6% |
| Wednesday | 77°F | Mostly Sunny | 8 mph N | 1% |
| Wednesday Night | 54°F | Mostly Clear | 2 to 7 mph NNE | 0% |
| Thursday | 77°F | Mostly Sunny | 6 mph NNE | 1% |
| Thursday Night | 56°F | Partly Cloudy | 1 to 5 mph NNE | 2% |
| Friday | 78°F | Mostly Sunny | 2 to 6 mph NNE | 3% |
| Friday Night | 55°F | Partly Cloudy | 3 mph NNE | 3% |
| Saturday | 79°F | Mostly Sunny | 5 mph NE | 5% |
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 (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.