Benton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton, a city in Ringgold County, Iowa.
Today
87°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. South wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Benton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph S | 25% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 6 to 10 mph NNE | 63% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 9 mph NE | 81% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 3 to 10 mph NE | 45% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 3 mph ENE | 16% |
| Thursday Night | 63°F | Mostly Clear | 3 mph ESE | 8% |
| Friday | 86°F | Mostly Sunny | 2 to 7 mph S | 8% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 8% |
| Saturday | 90°F | Sunny | 3 to 10 mph S | 3% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 8% |
| Sunday | 92°F | Mostly Sunny | 10 to 15 mph SSW | 7% |
| Sunday Night | 72°F | Partly Cloudy | 10 to 14 mph S | 11% |
| Monday | 93°F | Mostly Sunny | 12 to 16 mph SSW | 11% |
| Monday Night | 73°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 15 mph S | 19% |
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
Nearby towns & communities
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 Aug 4, 2026.