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Hull, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hull, a city in Sioux County, Iowa.

Today
71°F
Patchy Smoke
Patchy smoke and scattered showers and thunderstorms before noon, then patchy smoke and showers and thunderstorms between noon and 5pm, then patchy smoke and scattered rain showers. Mostly cloudy. High near 71, with temperatures falling to around 67 in the afternoon. North northwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Hull

WhenTempForecastWindPrecip
Today 71°F Patchy Smoke 5 to 10 mph NNW 80%
Tonight 53°F Chance Rain Showers then Mostly Cloudy 0 to 5 mph WNW 58%
Wednesday 75°F Mostly Sunny 0 to 5 mph SE 1%
Wednesday Night 54°F Mostly Clear 5 mph S 0%
Thursday 81°F Sunny 5 to 10 mph S 0%
Thursday Night 61°F Mostly Clear 5 to 10 mph S 2%
Friday 86°F Sunny 5 to 10 mph SSW 6%
Friday Night 65°F Mostly Clear 5 to 10 mph S 13%
Saturday 88°F Sunny 5 to 15 mph S 5%
Saturday Night 67°F Slight Chance Showers And Thunderstorms 10 to 20 mph SE 23%
Sunday 87°F Mostly Sunny 10 mph SE 14%
Sunday Night 67°F Partly Cloudy then Slight Chance Showers And Thunderstorms 10 to 15 mph E 24%
Monday 86°F Slight Chance Showers And Thunderstorms then Partly Sunny 10 to 15 mph E 24%
Monday Night 66°F Slight Chance Showers And Thunderstorms 10 to 15 mph ENE 22%

Forecast source: National Weather Service (api.weather.gov) for Hull (43.189, -96.134). Updated through the day.

Growing snapshot for Hull

Last spring frost
Apr 30
First fall frost
Oct 3
Growing season
154 days
Hardiness zone
5a

More local growing data for Hull: nearby ZIP 51239 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Sioux Ctr 2 Se, Ia (10.2 mi from Hull). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.