Mountainburg, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mountainburg, a city in Crawford County, Arkansas.
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Northwest wind around 5 mph.
7-day forecast for Mountainburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 5 mph NW | 0% |
| Wednesday | 67°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 49°F | Mostly Clear | 0 mph | 0% |
| Thursday | 71°F | Sunny | 0 to 5 mph SW | 2% |
| Thursday Night | 50°F | Partly Cloudy | 5 mph N | 13% |
| Friday | 63°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 42°F | Clear | 0 mph | 0% |
| Monday | 67°F | Sunny | 0 to 5 mph W | 1% |
| Monday Night | 45°F | Clear | 0 mph | 2% |
| Tuesday | 69°F | Sunny | 0 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Mountainburg (35.650, -94.162). Updated through the day.
Growing snapshot for Mountainburg
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
201 days
Hardiness zone
7b
More local growing data for Mountainburg: nearby ZIP 72946 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mountainburg 2 Ne, Ar (1.1 mi from Mountainburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.