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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.

Overnight
61°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 61. Southeast wind around 12 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Spillville

WhenTempForecastWindPrecip
Overnight 61°F Showers And Thunderstorms 12 mph SE 88%
Saturday 70°F Showers And Thunderstorms Likely 6 to 10 mph S 69%
Saturday Night 56°F Chance Showers And Thunderstorms 8 to 13 mph N 39%
Sunday 67°F Slight Chance Rain Showers then Mostly Cloudy 13 to 16 mph NE 16%
Sunday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 13 mph NE 21%
Monday 62°F Chance Rain Showers 13 mph NE 25%
Monday Night 45°F Slight Chance Rain Showers then Mostly Cloudy 6 to 9 mph NE 20%
Tuesday 61°F Mostly Sunny 8 mph NE 10%
Tuesday Night 42°F Mostly Clear 5 mph NE 2%
Wednesday 65°F Sunny 5 mph E 1%
Wednesday Night 47°F Mostly Clear 2 mph E 3%
Thursday 66°F Slight Chance Rain Showers 3 mph E 15%
Thursday Night 50°F Partly Cloudy 2 mph E 3%
Friday 69°F Mostly Sunny 1 to 5 mph E 5%

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 19, 2026.