Nashville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nashville, a city in Washington County, Illinois.
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Southeast wind around 7 mph.
7-day forecast for Nashville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 7 mph SE | 13% |
| Saturday | 97°F | Sunny | 3 to 7 mph SW | 6% |
| Saturday Night | 72°F | Partly Cloudy | 5 mph S | 0% |
| Sunday | 95°F | Mostly Sunny | 3 to 7 mph W | 13% |
| Sunday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph N | 41% |
| Monday | 84°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 56% |
| Monday Night | 60°F | Showers And Thunderstorms Likely | 6 to 12 mph N | 56% |
| Tuesday | 74°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 8 to 13 mph N | 22% |
| Tuesday Night | 55°F | Partly Cloudy | 5 to 13 mph N | 6% |
| Wednesday | 75°F | Mostly Sunny | 6 to 9 mph N | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 8 mph N | 2% |
| Thursday | 76°F | Mostly Sunny | 2 to 8 mph N | 1% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 7 mph NE | 2% |
| Friday | 77°F | Mostly Sunny | 3 to 8 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Nashville (38.354, -89.378). Updated through the day.
Growing snapshot for Nashville
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
201 days
Hardiness zone
6b
More local growing data for Nashville: nearby ZIP 62263 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nashville 1 E, Il (2.8 mi from Nashville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.