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Sandoval, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sandoval, a village in Marion County, Illinois.

Today
96°F
Mostly Sunny
Mostly sunny, with a high near 96. Heat index values as high as 100. Southwest wind 2 to 6 mph.

7-day forecast for Sandoval

WhenTempForecastWindPrecip
Today 96°F Mostly Sunny 2 to 6 mph SW 6%
Tonight 72°F Partly Cloudy 3 mph S 3%
Sunday 93°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 1 to 6 mph W 19%
Sunday Night 66°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 7 mph NE 52%
Monday 79°F Showers And Thunderstorms Likely 5 to 10 mph NE 70%
Monday Night 58°F Showers And Thunderstorms Likely 5 to 12 mph NE 70%
Tuesday 72°F Chance Showers And Thunderstorms 7 to 12 mph N 31%
Tuesday Night 54°F Mostly Cloudy 3 to 12 mph N 9%
Wednesday 74°F Mostly Sunny 5 to 10 mph N 4%
Wednesday Night 54°F Partly Cloudy 1 to 8 mph N 1%
Thursday 76°F Mostly Sunny 2 to 8 mph N 2%
Thursday Night 56°F Partly Cloudy 1 to 7 mph NE 3%
Friday 77°F Mostly Sunny 2 to 7 mph NE 3%
Friday Night 55°F Partly Cloudy 2 to 6 mph NE 2%

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

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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.