Prairie Grove, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prairie Grove, a city in Washington County, Arkansas.
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Prairie Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 5 to 10 mph NW | 1% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 43°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 69°F | Sunny | 0 to 5 mph W | 8% |
| Thursday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 15% |
| Friday | 61°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Saturday | 58°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 62°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 37°F | Clear | 0 mph | 0% |
| Monday | 66°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 40°F | Clear | 0 to 5 mph SW | 2% |
| Tuesday | 69°F | Sunny | 0 to 5 mph SW | 1% |
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 Nov 4, 2026.