Arkoma, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arkoma, a town in Sebastian County, Oklahoma.
Tonight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. West wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Arkoma
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Cloudy | 5 to 15 mph W | 7% |
| Wednesday | 68°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Thursday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph NW | 17% |
| Friday | 65°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 64°F | Partly Sunny | 0 mph | 0% |
| Saturday Night | 44°F | Partly Cloudy | 0 mph | 5% |
| Sunday | 65°F | Sunny | 0 to 5 mph NW | 3% |
| Sunday Night | 43°F | Clear | 0 to 5 mph NW | 1% |
| Monday | 69°F | Sunny | 0 to 5 mph W | 0% |
| Monday Night | 46°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 72°F | Sunny | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Arkoma (35.330, -94.448). Updated through the day.
Growing snapshot for Arkoma
Last spring frost
Mar 25
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8a
More local growing data for Arkoma: nearby ZIP 72908 weather · frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Ft Smith Rgnl Ap, Ar (3 mi from Arkoma). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.