Golconda, IL Weather & Growing Conditions
Today
97°F
Sunny
Sunny. High near 97, with temperatures falling to around 95 in the afternoon. West southwest wind 0 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 0 to 6 mph WSW | 2% |
| Tonight | 71°F | Mostly Clear | 2 mph SSW | 1% |
| Sunday | 96°F | Mostly Sunny | 2 to 6 mph WSW | 0% |
| Sunday Night | 69°F | Partly Cloudy | 2 mph NNW | 7% |
| Monday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph NNE | 42% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 6 mph NNE | 42% |
| Tuesday | 78°F | Chance Showers And Thunderstorms | 5 to 8 mph N | 42% |
| Tuesday Night | 57°F | Partly Cloudy | 2 to 9 mph N | 12% |
| Wednesday | 77°F | Mostly Sunny | 6 mph N | 2% |
| Wednesday Night | 56°F | Partly Cloudy | 1 to 5 mph N | 2% |
| Thursday | 77°F | Mostly Sunny | 2 to 6 mph NNE | 3% |
| Thursday Night | 57°F | Partly Cloudy | 1 to 5 mph NNE | 5% |
| Friday | 78°F | Mostly Sunny | 2 to 6 mph NNE | 5% |
| Friday Night | 56°F | Mostly Clear | 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Golconda, IL
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
7a
Explore more for Golconda, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Dixon Springs Agric Ctr, Il (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.