West Union, IL Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 mph E | 0% |
| Tonight | 62°F | Mostly Clear | 2 mph ESE | 0% |
| Wednesday | 86°F | Sunny | 0 to 3 mph S | 0% |
| Wednesday Night | 67°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph S | 21% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 2 to 7 mph SSW | 43% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 46% |
| Friday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 29% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SSW | 29% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SSW | 20% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 18% |
| Sunday | 87°F | Mostly Sunny | 5 to 10 mph SSW | 10% |
| Sunday Night | 72°F | Mostly Clear | 9 mph SSW | 10% |
| Monday | 89°F | Mostly Sunny | 7 to 10 mph SW | 14% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 8 mph SSW | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Union, IL
Last spring frost
Apr 8
First fall frost
Oct 27
Growing season
201 days
Hardiness zone
6b
Explore more for West Union, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Farmersburg Tv-2, In (13.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.