Mount Auburn, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Auburn, a city in Benton County, Iowa.
Overnight
66°F
Patchy Fog
Patchy fog and occasional showers and thunderstorms. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Mount Auburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Patchy Fog | 5 mph E | 86% |
| Saturday | 80°F | Patchy Fog then Showers And Thunderstorms Likely | 5 to 10 mph S | 81% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 66% |
| Sunday | 67°F | Chance Rain Showers | 10 to 15 mph NE | 48% |
| Sunday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Monday | 63°F | Chance Rain Showers | 15 mph NE | 41% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Tuesday | 62°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 25% |
| Tuesday Night | 46°F | Mostly Clear | 5 to 10 mph NE | 4% |
| Wednesday | 66°F | Sunny | 5 mph NE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph E | 3% |
| Thursday | 67°F | Mostly Sunny | 5 mph E | 8% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph E | 6% |
| Friday | 70°F | Mostly Sunny | 5 mph E | 6% |
Forecast source: National Weather Service (api.weather.gov) for Mount Auburn (42.257, -92.094). Updated through the day.
Growing snapshot for Mount Auburn
Last spring frost
May 3
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
5a
More local growing data for Mount Auburn: nearby ZIP 52313 weather · frost dates · planting calendar · Iowa frost dates
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Climate data from the nearest NOAA station, Vinton, Ia (7.5 mi from Mount Auburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.