Gridley, IL Weather & Growing Conditions
This Afternoon
72°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 72. South wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Light Rain Likely | 21 mph S | 61% |
| Tonight | 54°F | Light Rain | 14 to 18 mph S | 85% |
| Wednesday | 62°F | Chance Light Rain then Mostly Cloudy | 14 to 17 mph SW | 32% |
| Wednesday Night | 45°F | Mostly Cloudy | 13 mph SW | 5% |
| Thursday | 60°F | Partly Sunny | 10 to 15 mph WSW | 7% |
| Thursday Night | 41°F | Mostly Cloudy then Chance Light Rain | 5 to 8 mph NW | 31% |
| Friday | 55°F | Slight Chance Light Rain | 7 to 12 mph NNW | 20% |
| Friday Night | 34°F | Mostly Cloudy | 2 to 9 mph NNW | 5% |
| Saturday | 54°F | Mostly Sunny | 2 to 6 mph WNW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 3 mph WSW | 2% |
| Sunday | 60°F | Sunny | 3 to 10 mph W | 13% |
| Sunday Night | 34°F | Mostly Clear | 7 mph W | 7% |
| Monday | 64°F | Sunny | 5 to 12 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 9 mph WSW | 2% |
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 Nov 4, 2026.