Grandview, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grandview, a village in Sangamon County, Illinois.
Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. Southeast wind around 7 mph.
7-day forecast for Grandview
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Partly Cloudy | 7 mph SE | 4% |
| Saturday | 93°F | Partly Sunny | 9 mph SSW | 12% |
| Saturday Night | 71°F | Mostly Cloudy then Chance Showers And Thunderstorms | 7 mph SSW | 28% |
| Sunday | 87°F | Chance Rain Showers | 3 to 9 mph NNW | 54% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 69% |
| Monday | 73°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 69% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 50% |
| Tuesday | 69°F | Chance Rain Showers then Mostly Cloudy | 12 mph NE | 32% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 12 mph NNE | 4% |
| Wednesday | 73°F | Partly Sunny | 6 to 9 mph NNE | 2% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 8 mph NNE | 1% |
| Thursday | 73°F | Mostly Sunny | 3 to 7 mph NNE | 3% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 6 mph NNE | 5% |
| Friday | 76°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Grandview (39.818, -89.618). Updated through the day.
Growing snapshot for Grandview
Last spring frost
Apr 14
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
6a
More local growing data for Grandview: nearby ZIP 62702 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Auburn
Berlin
Buffalo
Cantrall
Chatham
Curran
Dawson
Divernon
Illiopolis
Jerome
Leland Grove
Loami
Mechanicsburg
New Berlin
Pawnee
Pleasant Plains
Riverton
Rochester
Sherman
Southern View
Spaulding
Springfield
Thayer
Williamsville
Climate data from the nearest NOAA station, Springfield Capital Ap, Il (2.6 mi from Grandview). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.