Nashville, IL Weather & Growing Conditions
This Afternoon
75°F
Slight Chance T-storms
A slight chance of thunderstorms and a slight chance of rain before 4pm, then rain likely and a slight chance of thunderstorms. Cloudy. High near 75, with temperatures falling to around 71 in the afternoon. South wind around 22 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance T-storms | 22 mph S | 59% |
| Tonight | 55°F | Rain | 9 to 20 mph S | 94% |
| Wednesday | 66°F | Chance Rain Showers then Mostly Cloudy | 7 to 13 mph SW | 12% |
| Wednesday Night | 43°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 68°F | Sunny | 5 to 12 mph SW | 0% |
| Thursday Night | 44°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 9 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 3 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Nashville, IL
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
201 days
Hardiness zone
6b
Explore more for Nashville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Nashville 1 E, Il (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.