Wilton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wilton, a city in Cedar County, Iowa.
Tonight
68°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Wilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 73% |
| Saturday | 83°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 70% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph N | 80% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 79% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 60% |
| Monday | 65°F | Rain Showers Likely | 10 mph NE | 56% |
| Monday Night | 52°F | Rain Showers Likely | 10 mph NE | 56% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 37% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph NE | 7% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 6% |
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 Sep 19, 2026.