Prairie Grove, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prairie Grove, a city in Washington County, Arkansas.
Today
95°F
Sunny
Sunny, with a high near 95. South wind 5 to 10 mph.
7-day forecast for Prairie Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 73°F | Mostly Clear | 5 to 10 mph SE | 0% |
| Wednesday | 96°F | Sunny | 5 to 10 mph S | 3% |
| Wednesday Night | 74°F | Partly Cloudy | 5 mph S | 8% |
| Thursday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 45% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 43% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 38% |
| Saturday | 93°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 16% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph S | 16% |
| Sunday | 93°F | Sunny | 5 to 10 mph S | 3% |
| Sunday Night | 73°F | Mostly Clear | 5 to 10 mph S | 3% |
| Monday | 94°F | Sunny | 5 to 10 mph S | 4% |
| Monday Night | 74°F | Mostly Clear | 5 to 10 mph S | 4% |
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 Aug 4, 2026.