Augusta, IL Weather & Growing Conditions
Today
54°F
Cloudy
Cloudy, with a high near 54. West wind 15 to 20 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Cloudy | 15 to 20 mph W | 8% |
| Tonight | 44°F | Mostly Cloudy | 10 mph SW | 3% |
| Thursday | 57°F | Slight Chance Rain Showers | 10 to 15 mph W | 15% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 22% |
| Friday | 52°F | Partly Sunny | 5 to 10 mph N | 8% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 36°F | Clear | 0 to 5 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph SW | 0% |
| Tuesday | 65°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Augusta, IL
Last spring frost
Apr 18
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6a
Explore more for Augusta, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Golden, Il (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.