Wilton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wilton, a city in Cedar County, Iowa.
Today
83°F
Patchy Fog
Patchy fog and occasional showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Wilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Fog | 5 to 10 mph S | 90% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NW | 81% |
| Sunday | 70°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 15 mph NE | 75% |
| Sunday Night | 57°F | Chance Rain Showers | 10 to 15 mph NE | 47% |
| Monday | 65°F | Rain Showers Likely | 10 to 15 mph NE | 56% |
| Monday Night | 52°F | Chance Rain Showers | 10 mph NE | 49% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 mph NE | 18% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph E | 4% |
| Friday Night | 54°F | Partly Cloudy | 0 to 5 mph E | 5% |
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.