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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.

This Afternoon
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms. Mostly cloudy. High near 65, with temperatures falling to around 57 in the afternoon. Southwest wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Benton

WhenTempForecastWindPrecip
This Afternoon 65°F Chance Showers And Thunderstorms 12 mph SW 90%
Tonight 44°F Rain Showers then Cloudy 14 mph NW 80%
Wednesday 52°F Mostly Cloudy 13 to 16 mph W 12%
Wednesday Night 40°F Mostly Cloudy 7 to 10 mph W 5%
Thursday 53°F Chance Rain Showers 8 to 12 mph NW 33%
Thursday Night 39°F Mostly Cloudy 7 mph NNW 10%
Friday 53°F Partly Sunny 3 to 7 mph N 5%
Friday Night 34°F Mostly Cloudy 2 mph NNW 0%
Saturday 57°F Mostly Sunny 1 to 5 mph WSW 3%
Saturday Night 37°F Mostly Clear 3 mph W 5%
Sunday 62°F Sunny 6 mph W 3%
Sunday Night 39°F Mostly Clear 5 mph SW 0%
Monday 66°F Sunny 5 to 12 mph SW 0%
Monday Night 41°F Mostly Clear 6 mph WNW 0%

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 Nov 3, 2026.