Harrison, AR Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. South southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 5 mph SSW | 0% |
| Saturday | 97°F | Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 70°F | Mostly Clear | 5 mph SSW | 0% |
| Sunday | 96°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Sunday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph NW | 25% |
| Monday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 65% |
| Monday Night | 63°F | Showers And Thunderstorms Likely | 5 mph N | 65% |
| Tuesday | 81°F | Slight Chance Rain Showers then Partly Sunny | 5 mph N | 19% |
| Tuesday Night | 57°F | Partly Cloudy | 0 to 10 mph NNE | 7% |
| Wednesday | 80°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 5 mph NE | 3% |
| Thursday | 81°F | Mostly Sunny | 0 to 5 mph NE | 4% |
| Thursday Night | 58°F | Partly Cloudy | 0 mph | 4% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph ENE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, AR
Last spring frost
Mar 22
First fall frost
Nov 9
Growing season
231 days
Hardiness zone
7b
Explore more for Harrison, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Harrison, Ar (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.