Waltonville, IL Weather & Growing Conditions
Tonight
71°F
Partly Cloudy
Partly cloudy. Low around 71, with temperatures rising to around 73 overnight. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 2 mph SE | 14% |
| Saturday | 99°F | Sunny | 2 to 7 mph SW | 5% |
| Saturday Night | 73°F | Partly Cloudy | 3 mph SSW | 4% |
| Sunday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 15% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph NNE | 33% |
| Monday | 87°F | Chance Showers And Thunderstorms | 5 to 12 mph NNE | 51% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 6 to 13 mph NNE | 51% |
| Tuesday | 76°F | Chance Showers And Thunderstorms then Partly Sunny | 8 to 13 mph NNE | 25% |
| Tuesday Night | 56°F | Partly Cloudy | 5 to 13 mph N | 6% |
| Wednesday | 76°F | Mostly Sunny | 6 to 10 mph N | 3% |
| Wednesday Night | 56°F | Partly Cloudy | 2 to 9 mph NNE | 2% |
| Thursday | 77°F | Mostly Sunny | 2 to 9 mph NNE | 2% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Friday | 78°F | Mostly Sunny | 3 to 9 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Waltonville, IL
Last spring frost
Apr 4
First fall frost
Oct 27
Growing season
204 days
Hardiness zone
6b
Explore more for Waltonville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Rend Lake Dam, Il (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.