Golconda, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Golconda, a city in Pope County, Illinois.
Today
87°F
Sunny
Sunny. High near 87, with temperatures falling to around 85 in the afternoon. Northeast wind around 3 mph.
7-day forecast for Golconda
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 3 mph NE | 0% |
| Tonight | 65°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 89°F | Sunny | 1 mph SW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 0 mph | 0% |
| Thursday | 89°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 2 mph S | 36% |
| Friday | 88°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 38% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph WSW | 36% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 31% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 24% |
| Sunday | 90°F | Mostly Sunny | 1 to 5 mph SSW | 12% |
| Sunday Night | 71°F | Mostly Clear | 2 mph SW | 8% |
| Monday | 91°F | Sunny | 1 to 6 mph SSW | 4% |
| Monday Night | 73°F | Mostly Clear | 3 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Golconda (37.362, -88.487). Updated through the day.
Growing snapshot for Golconda
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
7a
More local growing data for Golconda: nearby ZIP 62938 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dixon Springs Agric Ctr, Il (7.7 mi from Golconda). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.