Spillville, IA Weather & Growing Conditions
This Afternoon
66°F
Showers And Thunderstorms Likely
A chance of rain showers before 3pm, then showers and thunderstorms likely. Mostly cloudy. High near 66, with temperatures falling to around 64 in the afternoon. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms Likely | 8 to 13 mph S | 70% |
| Tonight | 51°F | Showers And Thunderstorms | 7 to 12 mph SE | 90% |
| Wednesday | 54°F | Rain Showers | 10 to 16 mph SW | 76% |
| Wednesday Night | 45°F | Rain Showers | 15 mph W | 77% |
| Thursday | 50°F | Rain Showers | 13 mph NW | 76% |
| Thursday Night | 38°F | Mostly Cloudy | 9 to 13 mph N | 11% |
| Friday | 47°F | Partly Sunny | 3 to 12 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 1 mph NW | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 36°F | Partly Cloudy | 2 to 6 mph W | 6% |
| Sunday | 57°F | Sunny | 8 mph W | 11% |
| Sunday Night | 37°F | Mostly Clear | 6 mph SW | 3% |
| Monday | 59°F | Mostly Sunny | 6 to 13 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 6 mph W | 1% |
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
5a
Explore more for Spillville, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Decorah, Ia (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.