Auburn, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Auburn, a city in Sac County, Iowa.
Today
76°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. North northwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Auburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Slight Chance Rain Showers | 7 mph NNW | 23% |
| Tonight | 60°F | Slight Chance Rain Showers | 8 mph N | 21% |
| Sunday | 66°F | Chance Drizzle | 12 mph NE | 43% |
| Sunday Night | 55°F | Rain Showers Likely | 8 mph ENE | 57% |
| Monday | 61°F | Rain Showers Likely | 8 mph ENE | 59% |
| Monday Night | 50°F | Chance Rain Showers | 6 mph ENE | 49% |
| Tuesday | 62°F | Partly Sunny | 6 mph ENE | 10% |
| Tuesday Night | 45°F | Partly Cloudy | 3 mph E | 1% |
| Wednesday | 66°F | Mostly Sunny | 3 mph ESE | 1% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph SE | 16% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SE | 19% |
| Thursday Night | 55°F | Mostly Cloudy | 2 mph SE | 12% |
| Friday | 70°F | Mostly Cloudy | 1 to 5 mph ESE | 12% |
| Friday Night | 56°F | Mostly Cloudy | 3 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Auburn (42.250, -94.878). Updated through the day.
Growing snapshot for Auburn
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
More local growing data for Auburn: nearby ZIP 51433 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sac City, Ia (11.7 mi from Auburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.