Golconda, IL Weather & Growing Conditions
This Afternoon
65°F
Mostly Cloudy
Mostly cloudy. High near 65, with temperatures falling to around 59 in the afternoon. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Mostly Cloudy | 5 to 10 mph W | 0% |
| Tonight | 46°F | Partly Cloudy then Patchy Fog | 3 mph WSW | 0% |
| Thursday | 66°F | Patchy Fog then Sunny | 1 to 7 mph WSW | 1% |
| Thursday Night | 43°F | Partly Cloudy | 2 mph NW | 0% |
| Friday | 59°F | Partly Sunny | 2 to 7 mph NNW | 0% |
| Friday Night | 34°F | Mostly Clear | 1 to 5 mph N | 0% |
| Saturday | 56°F | Sunny | 5 mph N | 0% |
| Saturday Night | 31°F | Mostly Clear | 1 mph N | 0% |
| Sunday | 59°F | Sunny | 0 to 3 mph NW | 0% |
| Sunday Night | 33°F | Mostly Clear | 1 mph NW | 0% |
| Monday | 63°F | Sunny | 0 to 3 mph W | 0% |
| Monday Night | 36°F | Clear | 0 mph | 1% |
| Tuesday | 65°F | Sunny | 0 to 3 mph WNW | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 mph | 1% |
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 Nov 4, 2026.