Prairie Grove, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prairie Grove, a city in Washington County, Arkansas.
This Afternoon
96°F
Mostly Sunny
Mostly sunny, with a high near 96. South wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Prairie Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Mostly Sunny | 10 mph S | 0% |
| Tonight | 71°F | Partly Cloudy | 5 to 10 mph S | 2% |
| Sunday | 93°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 64% |
| Monday | 87°F | Chance Showers And Thunderstorms | 0 to 10 mph NW | 64% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 22% |
| Tuesday | 81°F | Partly Sunny | 5 to 10 mph NE | 10% |
| Tuesday Night | 58°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 82°F | Sunny | 0 to 5 mph NE | 3% |
| Wednesday Night | 58°F | Mostly Clear | 0 to 5 mph E | 3% |
| Thursday | 84°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph E | 2% |
| Friday | 84°F | Partly Sunny | 0 to 5 mph E | 10% |
| Friday Night | 61°F | Partly Cloudy | 0 to 5 mph E | 8% |
Forecast source: National Weather Service (api.weather.gov) for Prairie Grove (35.986, -94.303). Updated through the day.
Growing snapshot for Prairie Grove
Last spring frost
Apr 15
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
7a
More local growing data for Prairie Grove: nearby ZIP 72730 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Canehill
Cincinnati
Elkins
Elm Springs
Evansville
Farmington
Fayetteville
Goshen
Greenland
Johnson
Lincoln
Morrow
Springdale
Summers
Tontitown
West Fork
Winslow
Climate data from the nearest NOAA station, Fayetteville Drake Fld, Ar (5.7 mi from Prairie Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.