Gridley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gridley, a village in Mclean County, Illinois.
Overnight
67°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 67. Southeast wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Gridley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Slight Chance Showers And Thunderstorms | 8 mph SE | 16% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 10 mph SSE | 36% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph WSW | 62% |
| Sunday | 77°F | Showers And Thunderstorms Likely | 5 to 14 mph NE | 67% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 to 15 mph NE | 68% |
| Monday | 67°F | Showers And Thunderstorms Likely | 13 to 16 mph ENE | 68% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 47% |
| Tuesday | 66°F | Chance Rain Showers | 12 to 15 mph NE | 26% |
| Tuesday Night | 51°F | Mostly Cloudy | 6 to 14 mph NNE | 7% |
| Wednesday | 69°F | Partly Sunny | 7 to 10 mph NNE | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 3 to 9 mph NNE | 5% |
| Thursday | 70°F | Mostly Sunny | 5 to 8 mph NNE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 3 to 7 mph NNE | 3% |
| Friday | 73°F | Mostly Sunny | 3 to 8 mph NNE | 4% |
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
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Arrowsmith
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Bloomington
Chenoa
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Danvers
Downs
Ellsworth
Heyworth
Hudson
Kappa
Le Roy
Lexington
McLean
Normal
Saybrook
Shirley
Stanford
Towanda
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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 Sep 19, 2026.