Gibson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gibson, a city in Keokuk County, Iowa.
Today
52°F
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 9am. Mostly cloudy, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Gibson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph W | 17% |
| Tonight | 43°F | Mostly Cloudy | 10 to 15 mph W | 11% |
| Thursday | 54°F | Rain Showers Likely | 10 mph NW | 57% |
| Thursday Night | 39°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday | 50°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 58°F | Sunny | 5 mph W | 1% |
| Sunday Night | 35°F | Clear | 5 mph SW | 0% |
| Monday | 64°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 to 5 mph NE | 1% |
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
5b
More local growing data for Gibson: nearby ZIP 50104 weather · frost dates · planting calendar · Iowa frost dates
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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 Nov 4, 2026.