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South Amana, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for South Amana, a community in Iowa County, Iowa.

Overnight
49°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy, with a low around 49. West wind around 15 mph. Chance of precipitation is 20%.

7-day forecast for South Amana

WhenTempForecastWindPrecip
Overnight 49°F Slight Chance Rain Showers 15 mph W 16%
Wednesday 52°F Slight Chance Rain Showers then Mostly Cloudy 15 mph W 22%
Wednesday Night 44°F Cloudy 10 to 15 mph W 14%
Thursday 54°F Rain Showers Likely 10 to 15 mph NW 56%
Thursday Night 39°F Mostly Cloudy 10 mph N 12%
Friday 49°F Mostly Sunny 5 to 10 mph N 2%
Friday Night 29°F Partly Cloudy 0 to 5 mph N 0%
Saturday 51°F Mostly Sunny 0 to 5 mph NW 0%
Saturday Night 34°F Mostly Clear 5 mph W 1%
Sunday 57°F Sunny 5 mph W 2%
Sunday Night 35°F Clear 5 mph SW 0%
Monday 63°F Sunny 5 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 5 mph W 0%
Tuesday 62°F Sunny 5 mph NW 0%

Forecast source: National Weather Service (api.weather.gov) for South Amana (41.770, -91.960). Updated through the day.

Growing snapshot for South Amana

Last spring frost
Apr 28
First fall frost
Oct 9
Growing season
164 days
Hardiness zone
5a

More local growing data for South Amana: nearby ZIP 52334 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Williamsburg 1E, Ia (5.3 mi from South Amana). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.