Harman US

Mountain Home, AR Weather & Growing Conditions

Tonight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. West wind around 5 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Mostly Cloudy 5 mph W 0%
Wednesday 65°F Mostly Sunny 5 to 10 mph WNW 0%
Wednesday Night 40°F Mostly Clear 0 mph 0%
Thursday 69°F Sunny 0 to 5 mph WSW 3%
Thursday Night 43°F Mostly Cloudy 0 to 5 mph NW 10%
Friday 61°F Mostly Sunny 5 to 10 mph NNW 1%
Friday Night 39°F Partly Cloudy 0 to 5 mph N 0%
Saturday 59°F Partly Sunny 0 mph 0%
Saturday Night 36°F Partly Cloudy 0 mph 3%
Sunday 62°F Sunny 0 to 5 mph NW 6%
Sunday Night 36°F Mostly Clear 0 mph 1%
Monday 67°F Sunny 0 to 5 mph WNW 1%
Monday Night 38°F Mostly Clear 0 mph 0%
Tuesday 70°F Sunny 0 to 5 mph WSW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mountain Home, AR

Last spring frost
Mar 31
First fall frost
Nov 1
Growing season
214 days
Hardiness zone
7a

Explore more for Mountain Home, AR: full frost dates · planting calendar · Arkansas frost dates

Climate data from the nearest NOAA station, Mtn Home 1 Nnw, Ar (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.