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Spillville, IA Weather & Growing Conditions

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

Tonight
56°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a low around 56. Northeast wind 6 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Spillville

WhenTempForecastWindPrecip
Tonight 56°F Chance Showers And Thunderstorms 6 to 12 mph NE 42%
Sunday 68°F Slight Chance Rain Showers then Mostly Cloudy 14 mph NE 16%
Sunday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 12 mph NE 21%
Monday 60°F Rain Showers Likely 9 to 13 mph NE 55%
Monday Night 46°F Rain Showers Likely 6 to 9 mph NE 55%
Tuesday 60°F Chance Rain Showers then Partly Sunny 6 to 9 mph NE 31%
Tuesday Night 44°F Partly Cloudy 5 mph NE 3%
Wednesday 64°F Mostly Sunny 6 mph E 0%
Wednesday Night 48°F Partly Cloudy 2 mph E 3%
Thursday 66°F Partly Sunny 3 mph SE 13%
Thursday Night 52°F Mostly Cloudy 1 mph E 14%
Friday 70°F Partly Sunny 3 mph E 9%
Friday Night 54°F Mostly Cloudy 2 mph E 5%
Saturday 70°F Slight Chance Rain Showers 2 to 6 mph SE 18%

Forecast source: National Weather Service (api.weather.gov) for Spillville (43.203, -91.952). Updated through the day.

Growing snapshot for Spillville

Last spring frost
May 3
First fall frost
Oct 7
Growing season
157 days
Hardiness zone
4b

More local growing data for Spillville: nearby ZIP 52168 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Decorah, Ia (10.6 mi from Spillville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.