Mountainburg, AR Weather & Growing Conditions
Tonight
49°F
Patchy Drizzle then Mostly Cloudy
Patchy drizzle before 9pm. Mostly cloudy, with a low around 49. West wind 5 to 10 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Patchy Drizzle then Mostly Cloudy | 5 to 10 mph W | 9% |
| Wednesday | 66°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 47°F | Mostly Clear | 0 mph | 0% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Thursday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph N | 15% |
| Friday | 62°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 44°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 43°F | Partly Cloudy | 0 mph | 5% |
| Sunday | 63°F | Sunny | 0 to 5 mph NW | 4% |
| Sunday Night | 43°F | Clear | 0 to 5 mph NW | 1% |
| Monday | 66°F | Sunny | 0 to 5 mph W | 0% |
| Monday Night | 46°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 70°F | Sunny | 0 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mountainburg, AR
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
201 days
Hardiness zone
7b
Explore more for Mountainburg, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Mountainburg 2 Ne, Ar (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.