Gridley, IL Weather & Growing Conditions
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind around 5 mph.
7-day forecast
| 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). 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 Aug 4, 2026.