Black Rock, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Rock, a city in Lawrence County, Arkansas.
This Afternoon
67°F
Sunny
Sunny, with a high near 67. West wind around 5 mph.
7-day forecast for Black Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Sunny | 5 mph W | 0% |
| Tonight | 43°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Thursday | 69°F | Sunny | 0 to 5 mph WSW | 1% |
| Thursday Night | 47°F | Mostly Clear | 0 to 5 mph NW | 2% |
| Friday | 61°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 38°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 56°F | Mostly Sunny | 5 mph NNE | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 60°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 35°F | Mostly Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph ENE | 1% |
| Monday Night | 38°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 66°F | Sunny | 0 to 5 mph WNW | 1% |
| Tuesday Night | 41°F | Mostly Clear | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Black Rock (36.106, -91.107). Updated through the day.
Growing snapshot for Black Rock
Last spring frost
Mar 27
First fall frost
Nov 5
Growing season
224 days
Hardiness zone
7b
More local growing data for Black Rock: nearby ZIP 72457 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alicia 2Nne, Ar (10.7 mi from Black Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.