Alden, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Alden, a city in Hardin County, Iowa.

Today

77°F

Patchy Fog

Patchy fog and a chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 73 in the afternoon. West wind around 8 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
Today	77°F	Patchy Fog	8 mph W	47%
Tonight	59°F	Chance Showers And Thunderstorms	10 mph N	25%
Sunday	65°F	Slight Chance Rain Showers then Chance Drizzle	12 to 15 mph NE	27%
Sunday Night	52°F	Chance Rain Showers	13 mph ENE	30%
Monday	61°F	Chance Rain Showers	13 mph ENE	50%
Monday Night	47°F	Chance Rain Showers	6 to 10 mph ENE	50%
Tuesday	60°F	Mostly Sunny	8 mph ENE	12%
Tuesday Night	44°F	Partly Cloudy	2 to 6 mph E	1%
Wednesday	65°F	Sunny	5 mph E	1%
Wednesday Night	49°F	Partly Cloudy	2 mph ESE	6%
Thursday	66°F	Partly Sunny	3 mph ESE	14%
Thursday Night	52°F	Mostly Cloudy	2 mph ESE	8%
Friday	69°F	Partly Sunny	1 to 5 mph ESE	6%
Friday Night	54°F	Mostly Cloudy	3 mph SE	10%

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

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

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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 Sep 19, 2026.