Griggsville, IL Weather & Growing Conditions
Today
89°F
Sunny
Sunny, with a high near 89. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 6 mph S | 0% |
| Tonight | 69°F | Partly Cloudy | 5 mph S | 12% |
| Wednesday | 88°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph S | 43% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms then Showers And Thunderstorms | 6 mph N | 89% |
| Thursday | 84°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 89% |
| Thursday Night | 66°F | Partly Cloudy | 0 to 3 mph SE | 13% |
| Friday | 86°F | Partly Sunny | 2 mph SW | 8% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 2 mph S | 25% |
| Saturday | 89°F | Chance Showers And Thunderstorms then Sunny | 5 mph SW | 25% |
| Saturday Night | 72°F | Mostly Clear | 5 to 8 mph S | 5% |
| Sunday | 91°F | Sunny | 8 to 12 mph SW | 3% |
| Sunday Night | 74°F | Mostly Clear | 7 to 10 mph S | 8% |
| Monday | 92°F | Mostly Sunny | 7 to 10 mph SW | 9% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 9 mph S | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Griggsville, IL
Last spring frost
Apr 18
First fall frost
Oct 15
Growing season
179 days
Hardiness zone
6a
Explore more for Griggsville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Perry 6 Nw, Il (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.