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Benton, IA Weather & Growing Conditions

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

Overnight
70°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3am. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. South southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Benton

WhenTempForecastWindPrecip
Overnight 70°F Slight Chance Showers And Thunderstorms 7 mph SSW 19%
Saturday 83°F Chance Showers And Thunderstorms 6 to 9 mph SW 40%
Saturday Night 63°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 7 mph N 58%
Sunday 68°F Chance Rain Showers then Chance Showers And Thunderstorms 8 to 12 mph NNE 49%
Sunday Night 58°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 12 mph NE 55%
Monday 61°F Showers And Thunderstorms Likely 12 mph NE 55%
Monday Night 52°F Chance Rain Showers then Mostly Cloudy 6 to 10 mph NE 44%
Tuesday 59°F Partly Sunny 9 mph NE 7%
Tuesday Night 46°F Partly Cloudy 2 to 7 mph ENE 4%
Wednesday 63°F Mostly Sunny 5 mph ENE 2%
Wednesday Night 51°F Partly Cloudy 3 mph E 7%
Thursday 66°F Slight Chance Rain Showers 5 mph ESE 23%
Thursday Night 56°F Mostly Cloudy then Slight Chance Rain Showers 3 mph ESE 22%
Friday 67°F Slight Chance Rain Showers 6 mph ESE 22%

Forecast source: National Weather Service (api.weather.gov) for Benton (40.704, -94.360). Updated through the day.

Growing snapshot for Benton

Last spring frost
Apr 25
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
5b

More local growing data for Benton: nearby ZIP 50835 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Mt Ayr, Ia (7 mi from Benton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.