Spillville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spillville, a city in Winneshiek County, Iowa.
Overnight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. South wind around 9 mph.
7-day forecast for Spillville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 9 mph S | 1% |
| Tuesday | 75°F | Chance Showers And Thunderstorms | 9 mph W | 48% |
| Tuesday Night | 59°F | Showers And Thunderstorms Likely | 6 mph NW | 65% |
| Wednesday | 74°F | Partly Sunny | 5 mph N | 14% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph NW | 1% |
| Thursday | 78°F | Sunny | 0 to 3 mph S | 0% |
| Thursday Night | 59°F | Mostly Clear | 3 mph S | 1% |
| Friday | 81°F | Sunny | 3 to 10 mph S | 6% |
| Friday Night | 63°F | Mostly Clear | 8 mph S | 10% |
| Saturday | 82°F | Mostly Sunny | 5 to 8 mph S | 10% |
| Saturday Night | 67°F | Chance Rain Showers | 9 mph S | 33% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 10 mph S | 33% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 7 mph S | 39% |
| Monday | 82°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 39% |
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 Aug 4, 2026.