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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.