Harman US

Black Rock, AR Weather & Growing Conditions

Today
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 63 in the afternoon. West wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 68°F Mostly Sunny 5 to 10 mph W 0%
Tonight 44°F Mostly Clear 0 to 5 mph W 0%
Thursday 71°F Sunny 0 to 5 mph SW 0%
Thursday Night 48°F Partly Cloudy 0 to 5 mph W 1%
Friday 65°F Mostly Sunny 5 to 10 mph N 0%
Friday Night 41°F Partly Cloudy 5 mph N 0%
Saturday 58°F Mostly Sunny 5 mph NNE 0%
Saturday Night 37°F Partly Cloudy 0 to 5 mph N 0%
Sunday 63°F Sunny 5 mph NNW 0%
Sunday Night 36°F Mostly Clear 0 mph 0%
Monday 66°F Sunny 0 to 5 mph W 0%
Monday Night 40°F Clear 0 to 5 mph SW 1%
Tuesday 69°F Sunny 0 to 5 mph WSW 0%
Tuesday Night 43°F Mostly Clear 0 to 5 mph W 0%

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

Growing snapshot for Black Rock, AR

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

Explore more for Black Rock, AR: full frost dates · planting calendar · Arkansas frost dates

Climate data from the nearest NOAA station, Pocahontas 1, Ar (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.