Decatur, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Decatur, a city in Benton County, Arkansas.
Today
97°F
Sunny
Sunny, with a high near 97. Southwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Decatur
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 10 mph SW | 0% |
| Tonight | 73°F | Mostly Clear | 5 to 10 mph S | 5% |
| Sunday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Sunday Night | 68°F | Showers And Thunderstorms | 5 mph NE | 75% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 75% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 18% |
| Tuesday | 80°F | Partly Sunny | 10 mph NE | 9% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 82°F | Sunny | 5 mph NE | 4% |
| Wednesday Night | 58°F | Mostly Clear | 5 mph NE | 2% |
| Thursday | 84°F | Mostly Sunny | 5 mph E | 3% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph E | 5% |
| Friday | 84°F | Partly Sunny | 5 mph E | 13% |
| Friday Night | 62°F | Partly Cloudy | 5 mph E | 11% |
Forecast source: National Weather Service (api.weather.gov) for Decatur (36.349, -94.458). Updated through the day.
Growing snapshot for Decatur
Last spring frost
Apr 5
First fall frost
Oct 28
Growing season
204 days
Hardiness zone
7a
More local growing data for Decatur: nearby ZIP 72722 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
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Bentonville
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Gentry
Gravette
Highfill
Little Flock
Lost Bridge Village
Lowell
Maysville
Pea Ridge
Prairie Creek
Rogers
Siloam Springs
Springtown
Sulphur Springs
Climate data from the nearest NOAA station, Gravette, Ar (5.8 mi from Decatur). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.