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Golconda, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Golconda, a city in Pope County, Illinois.

Today
65°F
Mostly Cloudy
Mostly cloudy. High near 65, with temperatures falling to around 63 in the afternoon. West southwest wind 5 to 10 mph.

7-day forecast for Golconda

WhenTempForecastWindPrecip
Today 65°F Mostly Cloudy 5 to 10 mph WSW 0%
Tonight 43°F Partly Cloudy 3 mph WSW 0%
Thursday 68°F Sunny 1 to 7 mph WSW 1%
Thursday Night 44°F Partly Cloudy 1 mph WNW 0%
Friday 62°F Partly Sunny 1 to 7 mph NNW 0%
Friday Night 37°F Partly Cloudy 1 to 5 mph N 0%
Saturday 57°F Mostly Sunny 5 mph N 0%
Saturday Night 33°F Partly Cloudy 1 mph N 0%
Sunday 61°F Sunny 0 to 5 mph NNW 0%
Sunday Night 33°F Mostly Clear 1 mph NNW 0%
Monday 64°F Sunny 0 to 3 mph WSW 0%
Monday Night 36°F Clear 1 mph WNW 1%
Tuesday 68°F Sunny 0 to 5 mph W 1%
Tuesday Night 39°F Mostly Clear 1 mph NW 0%

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

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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 Nov 4, 2026.