Nashville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nashville, a city in Washington County, Illinois.
This Afternoon
75°F
Slight Chance T-storms
A slight chance of thunderstorms and a slight chance of rain between 2pm and 3pm, then rain likely and a slight chance of thunderstorms. Cloudy, with a high near 75. South wind around 24 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
7-day forecast for Nashville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance T-storms | 24 mph S | 66% |
| Tonight | 55°F | Rain | 9 to 18 mph S | 92% |
| Wednesday | 66°F | Chance Rain Showers then Mostly Cloudy | 6 to 14 mph SW | 13% |
| Wednesday Night | 44°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 68°F | Sunny | 5 to 12 mph SW | 0% |
| Thursday Night | 45°F | Mostly Cloudy | 3 mph W | 5% |
| Friday | 59°F | Mostly Cloudy | 5 to 12 mph NW | 4% |
| Friday Night | 39°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 56°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 62°F | Sunny | 1 to 8 mph W | 5% |
| Sunday Night | 35°F | Mostly Clear | 3 mph W | 5% |
| Monday | 66°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 3 mph SW | 0% |
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 Nov 3, 2026.