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Sergeant Bluff, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sergeant Bluff, a city in Woodbury County, Iowa.

Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 71 overnight. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Sergeant Bluff

WhenTempForecastWindPrecip
Overnight 66°F Chance Showers And Thunderstorms 5 mph NW 36%
Saturday 71°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph NNW 39%
Saturday Night 58°F Cloudy then Slight Chance Rain Showers 10 mph N 15%
Sunday 64°F Chance Rain Showers 10 mph NE 32%
Sunday Night 54°F Rain Showers Likely 5 to 10 mph NE 66%
Monday 60°F Rain Showers Likely 5 to 10 mph ENE 66%
Monday Night 49°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph ENE 36%
Tuesday 62°F Partly Sunny 5 mph E 7%
Tuesday Night 46°F Partly Cloudy 5 mph ESE 1%
Wednesday 66°F Mostly Sunny 5 to 10 mph SE 6%
Wednesday Night 51°F Partly Cloudy then Chance Rain Showers 5 mph SE 32%
Thursday 67°F Chance Rain Showers 5 to 10 mph SE 33%
Thursday Night 54°F Slight Chance Rain Showers 5 mph SE 17%
Friday 69°F Slight Chance Rain Showers 5 to 10 mph SE 17%

Forecast source: National Weather Service (api.weather.gov) for Sergeant Bluff (42.398, -96.351). Updated through the day.

Growing snapshot for Sergeant Bluff

Last spring frost
Apr 29
First fall frost
Oct 5
Growing season
159 days
Hardiness zone
5a

More local growing data for Sergeant Bluff: nearby ZIP 51054 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Sioux City Gateway Ap, Ia (2.4 mi from Sergeant Bluff). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.