Leland Grove, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Leland Grove, a city in Sangamon County, Illinois.

Overnight

64°F

Clear

Clear, with a low around 64. South southeast wind around 3 mph.

7-day forecast for Leland Grove

When	Temp	Forecast	Wind	Precip
Overnight	64°F	Clear	3 mph SSE	0%
Tuesday	88°F	Sunny	6 mph S	0%
Tuesday Night	69°F	Mostly Clear	6 mph SSE	0%
Wednesday	89°F	Mostly Sunny then Slight Chance Showers And Thunderstorms	7 mph S	19%
Wednesday Night	69°F	Chance Showers And Thunderstorms	6 mph S	79%
Thursday	84°F	Showers And Thunderstorms	5 mph SSW	79%
Thursday Night	67°F	Slight Chance Showers And Thunderstorms	3 mph SSE	19%
Friday	86°F	Partly Sunny	3 mph SW	9%
Friday Night	68°F	Slight Chance Showers And Thunderstorms	2 mph SSW	23%
Saturday	88°F	Slight Chance Showers And Thunderstorms then Mostly Sunny	2 to 6 mph SSW	23%
Saturday Night	72°F	Mostly Clear	3 to 7 mph S	10%
Sunday	91°F	Sunny	7 to 10 mph SSW	4%
Sunday Night	73°F	Mostly Clear	9 mph S	11%
Monday	91°F	Mostly Sunny	10 mph SSW	12%

Forecast source: National Weather Service (api.weather.gov) for Leland Grove (39.779, -89.684). Updated through the day.

Growing snapshot for Leland Grove

Last spring frost

Apr 15

First fall frost

Oct 22

Growing season

188 days

Hardiness zone

More local growing data for Leland Grove: nearby ZIP 62704 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

Auburn Berlin Buffalo Cantrall Chatham Curran Dawson Divernon Grandview Illiopolis Jerome Loami Mechanicsburg New Berlin Pawnee Pleasant Plains Riverton Rochester Sherman Southern View Spaulding Springfield Thayer Williamsville

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Climate data from the nearest NOAA station, Springfield #2, Il (1.6 mi from Leland Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.