Harman US

Wilton, IA Weather & Growing Conditions

Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny. High near 85, with temperatures falling to around 83 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
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 78%
Wednesday Night 61°F Showers And Thunderstorms Likely 0 to 5 mph N 62%
Thursday 80°F Chance Rain Showers then Mostly Sunny 0 to 5 mph NE 36%
Thursday Night 61°F Mostly Clear 0 mph 4%
Friday 83°F Mostly Sunny 0 to 5 mph SE 5%
Friday Night 65°F Mostly Clear 0 mph 11%
Saturday 86°F Sunny 0 to 5 mph S 10%
Saturday Night 70°F Mostly Clear then Slight Chance Showers And Thunderstorms 5 mph S 18%
Sunday 87°F Slight Chance Showers And Thunderstorms then Mostly Sunny 5 to 10 mph S 18%
Sunday Night 69°F Chance Showers And Thunderstorms 5 mph S 34%
Monday 86°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). Updated through the day.

Growing snapshot for Wilton, IA

Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
5b

Explore more for Wilton, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Muscatine 2N, Ia (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.