Gibson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gibson, a city in Keokuk County, Iowa.
Tonight
47°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before midnight. Mostly cloudy. Low around 47, with temperatures rising to around 49 overnight. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Gibson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 33% |
| Wednesday | 54°F | Chance Rain Showers | 15 mph W | 29% |
| Wednesday Night | 43°F | Mostly Cloudy | 10 to 15 mph W | 10% |
| Thursday | 53°F | Chance Rain Showers | 10 mph W | 45% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph N | 19% |
| Friday | 52°F | Partly Sunny | 5 to 10 mph N | 5% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph NW | 1% |
| Saturday | 55°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 60°F | Sunny | 5 mph W | 6% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SW | 2% |
| Monday | 64°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
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
Nearby towns & communities
Delta
Harper
Hayesville
Hedrick
Keswick
Kinross
Martinsburg
Ollie
Richland
Sigourney
South English
Thornburg
Webster
What Cheer
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.