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Spillville, IA Weather & Growing Conditions

Today
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 70, with temperatures falling to around 68 in the afternoon. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 70°F Showers And Thunderstorms Likely 3 to 7 mph SW 72%
Tonight 56°F Chance Showers And Thunderstorms 7 to 12 mph N 53%
Sunday 65°F Slight Chance Rain Showers then Mostly Cloudy 15 mph NE 17%
Sunday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 12 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%
Friday Night 51°F Partly Cloudy 2 mph SE 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Spillville, IA

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

Explore more for Spillville, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Decorah, Ia (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.