Whitten, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitten, a city in Hardin County, Iowa.
Tonight
46°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 46, with temperatures rising to around 49 overnight. West northwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Whitten
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Rain Showers Likely | 6 to 10 mph WNW | 63% |
| Wednesday | 52°F | Chance Rain Showers | 12 to 17 mph W | 42% |
| Wednesday Night | 42°F | Cloudy then Chance Rain Showers | 13 mph W | 48% |
| Thursday | 51°F | Rain Showers Likely | 12 mph NW | 64% |
| Thursday Night | 38°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph N | 17% |
| Friday | 50°F | Partly Sunny | 3 to 8 mph N | 3% |
| Friday Night | 31°F | Partly Cloudy | 2 mph NNE | 0% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 35°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 60°F | Sunny | 3 to 7 mph WNW | 6% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 62°F | Mostly Sunny | 6 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Whitten (42.264, -93.011). Updated through the day.
Growing snapshot for Whitten
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
More local growing data for Whitten: nearby ZIP 50269 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Alden
Buckeye
Eldora
Garden City
Hubbard
Iowa Falls
New Providence
Owasa
Radcliffe
Steamboat Rock
Union
Climate data from the nearest NOAA station, Eldora, Ia (8.3 mi from Whitten). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.