Leland Grove, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leland Grove, a city in Sangamon County, Illinois.
Today
57°F
Patchy Drizzle
Patchy drizzle. Cloudy, with a high near 57. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
7-day forecast for Leland Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Patchy Drizzle | 9 to 14 mph WSW | 10% |
| Tonight | 46°F | Patchy Drizzle then Mostly Cloudy | 9 mph SW | 10% |
| Thursday | 58°F | Partly Sunny | 8 to 13 mph W | 13% |
| Thursday Night | 43°F | Slight Chance Light Rain then Mostly Cloudy | 8 mph NW | 17% |
| Friday | 52°F | Mostly Sunny | 7 to 10 mph N | 2% |
| Friday Night | 34°F | Partly Cloudy | 1 to 7 mph NNW | 0% |
| Saturday | 54°F | Sunny | 1 to 5 mph NNW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph WNW | 1% |
| Sunday | 59°F | Sunny | 2 to 7 mph WNW | 1% |
| Sunday Night | 36°F | Clear | 3 mph W | 1% |
| Monday | 64°F | Sunny | 1 to 7 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph SW | 0% |
| Tuesday | 66°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 41°F | Mostly Clear | 2 mph NNE | 1% |
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
6a
More local growing data for Leland Grove: nearby ZIP 62704 weather · frost dates · planting calendar · Illinois frost dates
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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 Nov 4, 2026.