Underwood, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Underwood, a city in Pottawattamie County, Iowa.
This Afternoon
58°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 58, with temperatures falling to around 53 in the afternoon. North northwest wind around 22 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Underwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Rain Showers Likely | 22 mph NNW | 70% |
| Tonight | 42°F | Rain Showers Likely then Cloudy | 16 to 22 mph NW | 70% |
| Wednesday | 52°F | Slight Chance Rain Showers | 14 to 17 mph WNW | 24% |
| Wednesday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 13 mph WNW | 28% |
| Thursday | 51°F | Chance Rain Showers | 14 mph NW | 36% |
| Thursday Night | 37°F | Mostly Cloudy | 6 to 10 mph NNW | 5% |
| Friday | 52°F | Partly Sunny | 2 to 6 mph N | 2% |
| Friday Night | 35°F | Mostly Cloudy | 2 mph ESE | 0% |
| Saturday | 58°F | Mostly Sunny | 2 to 6 mph SW | 3% |
| Saturday Night | 38°F | Mostly Clear | 3 mph W | 5% |
| Sunday | 62°F | Sunny | 3 to 7 mph WSW | 4% |
| Sunday Night | 41°F | Mostly Clear | 8 mph SSW | 0% |
| Monday | 65°F | Sunny | 8 to 12 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 7 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Underwood (41.380, -95.683). Updated through the day.
Growing snapshot for Underwood
Last spring frost
Apr 18
First fall frost
Oct 21
Growing season
185 days
Hardiness zone
5b
More local growing data for Underwood: nearby ZIP 51576 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Avoca
Bentley
Carson
Carter Lake
Council Bluffs
Crescent
Hancock
Macedonia
McClelland
Minden
Neola
Oakland
Treynor
Walnut
Weston
Climate data from the nearest NOAA station, Omaha Eppley Airfield, Ne (10.8 mi from Underwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.