Alden, IA Weather & Growing Conditions
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 northwest wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Patchy Fog | 8 mph WNW | 42% |
| 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 | 26% |
| Sunday Night | 53°F | Chance Rain Showers | 13 mph ENE | 31% |
| 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 | 45°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 | 5 mph ESE | 14% |
| Thursday Night | 52°F | Mostly Cloudy | 2 mph ESE | 8% |
| Friday | 68°F | Partly Sunny | 2 to 6 mph ESE | 6% |
| Friday Night | 54°F | Mostly Cloudy | 3 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alden, IA
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
Explore more for Alden, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Iowa Falls, Ia (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.