Harrison, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a city in Boone County, Arkansas.
Overnight
67°F
Clear
Clear, with a low around 67. South southeast wind around 5 mph.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Clear | 5 mph SSE | 0% |
| Tuesday | 93°F | Sunny | 5 mph SE | 1% |
| Tuesday Night | 71°F | Mostly Clear | 5 mph SE | 1% |
| Wednesday | 95°F | Sunny | 5 mph S | 8% |
| Wednesday Night | 74°F | Partly Cloudy | 5 mph S | 9% |
| Thursday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SSW | 29% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 41% |
| Friday | 91°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SW | 66% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 44% |
| Saturday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 31% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph S | 20% |
| Sunday | 93°F | Sunny | 5 mph SSW | 4% |
| Sunday Night | 72°F | Mostly Clear | 5 mph S | 4% |
| Monday | 93°F | Sunny | 5 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Harrison (36.243, -93.118). Updated through the day.
Growing snapshot for Harrison
Last spring frost
Mar 22
First fall frost
Nov 9
Growing season
231 days
Hardiness zone
7b
More local growing data for Harrison: nearby ZIP 72601 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Harrison, Ar (3.1 mi from Harrison). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.