Harrison, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a city in Boone County, Arkansas.
Overnight
46°F
Mostly Cloudy
Mostly cloudy. Low around 46, with temperatures rising to around 51 overnight. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Mostly Cloudy | 10 mph W | 0% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 41°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Thursday | 70°F | Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 5 mph NW | 11% |
| Friday | 60°F | Mostly Sunny | 5 to 10 mph NNW | 0% |
| Friday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 57°F | Partly Sunny | 0 mph | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 62°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 36°F | Clear | 0 mph | 0% |
| Monday | 67°F | Sunny | 0 mph | 0% |
| Monday Night | 39°F | Clear | 0 mph | 2% |
| Tuesday | 70°F | Sunny | 0 mph | 1% |
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 Nov 4, 2026.