Augusta, IL Weather & Growing Conditions
Tonight
50°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before midnight. Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 35% |
| Wednesday | 56°F | Mostly Cloudy | 15 mph SW | 9% |
| Wednesday Night | 43°F | Mostly Cloudy | 10 mph SW | 2% |
| Thursday | 56°F | Partly Sunny | 10 to 15 mph W | 10% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NW | 23% |
| Friday | 54°F | Mostly Cloudy | 10 mph N | 9% |
| Friday Night | 36°F | Mostly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 36°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 60°F | Sunny | 5 to 10 mph W | 9% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 4% |
| Monday | 64°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 5 mph NW | 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.