Gridley, IL Weather & Growing Conditions
Today
84°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm. Cloudy, with a high near 84. Southeast wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Chance Showers And Thunderstorms | 8 mph SE | 54% |
| Tonight | 68°F | Showers And Thunderstorms Likely | 6 mph SSW | 59% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 5 to 14 mph N | 70% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 15 mph NE | 54% |
| Monday | 67°F | Showers And Thunderstorms Likely | 14 to 17 mph ENE | 64% |
| Monday Night | 52°F | Chance Rain Showers | 12 to 17 mph NE | 47% |
| Tuesday | 65°F | Slight Chance Rain Showers | 15 mph NE | 22% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 14 mph NNE | 19% |
| Wednesday | 68°F | Mostly Sunny | 8 to 12 mph NNE | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 12 mph NNE | 2% |
| Thursday | 70°F | Partly Sunny | 6 to 9 mph NNE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 3 to 8 mph NNE | 2% |
| Friday | 73°F | Mostly Sunny | 5 to 9 mph NE | 3% |
| Friday Night | 53°F | Partly Cloudy | 3 to 7 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gridley, IL
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
Explore more for Gridley, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Chenoa, Il (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.