Gridley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gridley, a village in Mclean County, Illinois.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind around 5 mph.
7-day forecast for Gridley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 84°F | Sunny | 7 mph SSW | 0% |
| Tuesday Night | 66°F | Partly Cloudy | 7 mph S | 7% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 5 to 8 mph SSW | 38% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 mph SW | 89% |
| Thursday | 81°F | Showers And Thunderstorms | 6 mph SSW | 80% |
| Thursday Night | 64°F | Slight Chance Showers And Thunderstorms | 3 mph SSE | 23% |
| Friday | 83°F | Mostly Sunny | 3 mph S | 11% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 mph S | 22% |
| Saturday | 86°F | Mostly Sunny | 7 mph SSW | 12% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph SSW | 12% |
| Sunday | 88°F | Sunny | 9 to 14 mph SSW | 11% |
| Sunday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 13 mph SSW | 19% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 12 mph SSW | 19% |
Forecast source: National Weather Service (api.weather.gov) for Gridley (40.744, -88.881). Updated through the day.
Growing snapshot for Gridley
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
More local growing data for Gridley: nearby ZIP 61744 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Anchor
Arrowsmith
Bellflower
Bloomington
Chenoa
Colfax
Cooksville
Danvers
Downs
Ellsworth
Heyworth
Hudson
Kappa
Le Roy
Lexington
McLean
Normal
Saybrook
Shirley
Stanford
Towanda
Twin Grove
Climate data from the nearest NOAA station, Chenoa, Il (8.5 mi from Gridley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.