Alden, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alden, a city in Hardin County, Iowa.
Overnight
45°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 45, with temperatures rising to around 47 overnight. West northwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Alden
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Chance Rain Showers | 10 to 14 mph WNW | 53% |
| Wednesday | 50°F | Chance Rain Showers | 12 to 17 mph W | 41% |
| Wednesday Night | 41°F | Chance Rain Showers | 13 mph W | 40% |
| Thursday | 52°F | Rain Showers Likely then Cloudy | 13 mph NW | 62% |
| Thursday Night | 36°F | Mostly Cloudy | 5 to 9 mph N | 11% |
| Friday | 48°F | Mostly Sunny | 2 to 6 mph NNE | 4% |
| Friday Night | 28°F | Partly Cloudy | 1 mph NNW | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 3 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 56°F | Sunny | 6 mph W | 2% |
| Sunday Night | 36°F | Clear | 2 mph SW | 0% |
| Monday | 63°F | Sunny | 3 to 9 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 61°F | Mostly Sunny | 3 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Alden (42.512, -93.380). Updated through the day.
Growing snapshot for Alden
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
More local growing data for Alden: nearby ZIP 50006 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Buckeye
Eldora
Garden City
Hubbard
Iowa Falls
New Providence
Owasa
Radcliffe
Steamboat Rock
Union
Whitten
Climate data from the nearest NOAA station, Iowa Falls, Ia (7.6 mi from Alden). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.