Sandoval, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sandoval, a village in Marion County, Illinois.
This Afternoon
96°F
Mostly Sunny
Mostly sunny, with a high near 96. Heat index values as high as 100. West wind around 5 mph.
7-day forecast for Sandoval
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Mostly Sunny | 5 mph W | 2% |
| Tonight | 72°F | Partly Cloudy | 0 to 3 mph S | 3% |
| Sunday | 93°F | Mostly Sunny | 2 to 7 mph W | 11% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph N | 64% |
| Monday | 82°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 64% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 3 to 8 mph NE | 47% |
| Tuesday | 73°F | Chance Rain Showers then Partly Sunny | 6 to 12 mph NE | 34% |
| Tuesday Night | 55°F | Mostly Cloudy | 3 to 10 mph N | 4% |
| Wednesday | 74°F | Mostly Sunny | 5 to 9 mph N | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 1 to 8 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Thursday Night | 57°F | Mostly Cloudy | 1 to 5 mph NE | 10% |
| Friday | 79°F | Slight Chance Rain Showers | 1 to 6 mph NE | 15% |
| Friday Night | 56°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Sandoval (38.612, -89.119). Updated through the day.
Growing snapshot for Sandoval
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
6b
More local growing data for Sandoval: nearby ZIP 62882 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Salem, Il (9.3 mi from Sandoval). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.