Gibson, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Gibson, a city in Keokuk County, Iowa.

Today

81°F

Chance Showers And Thunderstorms

A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

7-day forecast for Gibson

When	Temp	Forecast	Wind	Precip
Today	81°F	Chance Showers And Thunderstorms	5 to 10 mph SW	39%
Tonight	63°F	Chance Showers And Thunderstorms then Showers And Thunderstorms	5 to 10 mph NW	77%
Sunday	67°F	Showers And Thunderstorms	10 to 15 mph NE	76%
Sunday Night	56°F	Showers And Thunderstorms Likely	10 to 15 mph NE	57%
Monday	62°F	Rain Showers Likely	15 mph NE	57%
Monday Night	51°F	Chance Rain Showers	10 to 15 mph NE	51%
Tuesday	60°F	Chance Rain Showers then Partly Sunny	10 mph NE	30%
Tuesday Night	46°F	Mostly Clear	5 to 10 mph NE	4%
Wednesday	64°F	Sunny	5 mph NE	1%
Wednesday Night	50°F	Partly Cloudy	0 to 5 mph NE	2%
Thursday	66°F	Partly Sunny	5 mph E	9%
Thursday Night	53°F	Partly Cloudy	0 to 5 mph E	6%
Friday	68°F	Partly Sunny	5 mph E	6%
Friday Night	54°F	Partly Cloudy	5 mph E	9%

Forecast source: National Weather Service (api.weather.gov) for Gibson (41.480, -92.392). Updated through the day.

Growing snapshot for Gibson

Last spring frost

Apr 24

First fall frost

Oct 15

Growing season

172 days

Hardiness zone

More local growing data for Gibson: nearby ZIP 50104 weather · frost dates · planting calendar · Iowa frost dates

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Delta Harper Hayesville Hedrick Keswick Kinross Martinsburg Ollie Richland Sigourney South English Thornburg Webster What Cheer

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Climate data from the nearest NOAA station, Sigourney, Ia (13.7 mi from Gibson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.