Harman US

Whiting, IA Weather & Growing Conditions

Overnight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3am, then showers and thunderstorms likely between 3am and 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers and thunderstorms likely. Cloudy. Low around 67, with temperatures rising to around 70 overnight. West northwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 67°F Chance Showers And Thunderstorms 6 mph WNW 62%
Saturday 74°F Chance Showers And Thunderstorms then Mostly Cloudy 7 to 10 mph NNW 49%
Saturday Night 59°F Cloudy then Slight Chance Rain Showers 10 mph N 16%
Sunday 64°F Chance Rain Showers 12 mph NNE 37%
Sunday Night 54°F Rain Showers Likely 7 to 10 mph NE 58%
Monday 60°F Rain Showers Likely 9 mph ENE 62%
Monday Night 49°F Chance Rain Showers then Mostly Cloudy 3 to 9 mph ENE 39%
Tuesday 62°F Partly Sunny 3 to 7 mph E 8%
Tuesday Night 46°F Partly Cloudy 2 to 6 mph ESE 1%
Wednesday 66°F Mostly Sunny 2 to 8 mph SE 4%
Wednesday Night 51°F Partly Cloudy then Chance Rain Showers 6 mph SE 31%
Thursday 67°F Chance Rain Showers 5 to 8 mph SE 32%
Thursday Night 55°F Slight Chance Rain Showers 6 mph SE 17%
Friday 69°F Slight Chance Rain Showers then Mostly Cloudy 5 to 9 mph SE 17%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Whiting, IA

Last spring frost
May 1
First fall frost
Oct 3
Growing season
154 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Onawa 3Nw, Ia (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.