Harman US

Mount Vernon, AR Weather & Growing Conditions

Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. West wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 50°F Partly Cloudy 5 mph W 0%
Wednesday 70°F Sunny 5 mph WNW 0%
Wednesday Night 44°F Mostly Clear 0 to 5 mph NW 0%
Thursday 73°F Sunny 0 to 5 mph W 0%
Thursday Night 48°F Partly Cloudy 0 to 5 mph N 1%
Friday 68°F Mostly Sunny 5 mph N 0%
Friday Night 42°F Mostly Clear 5 mph N 0%
Saturday 63°F Mostly Sunny 0 to 5 mph N 0%
Saturday Night 40°F Partly Cloudy 0 mph 3%
Sunday 66°F Sunny 0 to 5 mph NW 7%
Sunday Night 38°F Clear 0 mph 1%
Monday 69°F Sunny 0 to 5 mph W 1%
Monday Night 41°F Clear 0 mph 0%
Tuesday 73°F Sunny 0 to 5 mph WSW 1%

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

Growing snapshot for Mount Vernon, AR

Last spring frost
Apr 9
First fall frost
Oct 25
Growing season
198 days
Hardiness zone
8a

Explore more for Mount Vernon, AR: full frost dates · planting calendar · Arkansas frost dates

Climate data from the nearest NOAA station, Greenbrier, Ar (13.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.