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Decatur, AR Weather & Growing Conditions

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

This Afternoon
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

WhenTempForecastWindPrecip
This Afternoon 97°F Sunny 10 mph SW 0%
Tonight 73°F Mostly Clear 5 to 10 mph S 2%
Sunday 96°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 19%
Sunday Night 68°F Chance Showers And Thunderstorms 5 mph SW 54%
Monday 84°F Chance Showers And Thunderstorms 5 to 10 mph NW 54%
Monday Night 62°F Partly Cloudy 5 to 10 mph N 9%
Tuesday 81°F Mostly Sunny 10 mph N 4%
Tuesday Night 57°F Mostly Clear 5 to 10 mph NE 4%
Wednesday 83°F Sunny 5 mph NE 1%
Wednesday Night 59°F Mostly Clear 5 mph NE 1%
Thursday 85°F Mostly Sunny 5 mph NE 4%
Thursday Night 62°F Partly Cloudy 5 mph NE 6%
Friday 86°F Slight Chance Rain Showers 5 mph NE 15%
Friday Night 65°F Mostly Cloudy 5 mph E 13%

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

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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.