Wilton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wilton, a city in Cedar County, Iowa.
Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Wilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 5 mph N | 86% |
| Wednesday | 78°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NE | 79% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph N | 63% |
| Thursday | 81°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 37% |
| Thursday Night | 61°F | Mostly Clear | 0 mph | 4% |
| Friday | 83°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 65°F | Mostly Clear | 0 mph | 11% |
| Saturday | 86°F | Sunny | 0 to 5 mph S | 10% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph S | 17% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph S | 17% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 34% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 34% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 33% |
Forecast source: National Weather Service (api.weather.gov) for Wilton (41.589, -91.025). Updated through the day.
Growing snapshot for Wilton
Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
5b
More local growing data for Wilton: nearby ZIP 52778 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Muscatine 2N, Ia (9.4 mi from Wilton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.