Oark, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oark, a community in Johnson County, Arkansas.
This Afternoon
70°F
Partly Sunny
Partly sunny. High near 70, with temperatures falling to around 65 in the afternoon. West southwest wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Oark
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 10 mph WSW | 14% |
| Tonight | 49°F | Mostly Cloudy | 5 mph W | 14% |
| Wednesday | 66°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 46°F | Mostly Clear | 0 mph | 0% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph S | 3% |
| Thursday Night | 48°F | Mostly Cloudy | 0 to 5 mph NNW | 12% |
| Friday | 64°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 43°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 62°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 mph | 5% |
| Sunday | 64°F | Sunny | 0 to 5 mph NW | 6% |
| Sunday Night | 42°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Monday | 67°F | Sunny | 0 to 5 mph W | 0% |
| Monday Night | 45°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Oark (35.695, -93.575). Updated through the day.
Growing snapshot for Oark
Last spring frost
Mar 24
First fall frost
Nov 10
Growing season
233 days
Hardiness zone
7b
More local growing data for Oark: nearby ZIP 72852 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clarksville 2N, Ar (12.5 mi from Oark). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.