Dumas, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dumas, a city in Lincoln County, Arkansas.
Tonight
54°F
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 54. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Dumas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph WSW | 35% |
| Wednesday | 72°F | Sunny | 0 to 10 mph WNW | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 75°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 43°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 66°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 40°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Sunday | 66°F | Mostly Sunny | 0 to 10 mph NNW | 7% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Monday | 70°F | Sunny | 0 to 5 mph W | 0% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph SSW | 1% |
| Tuesday | 73°F | Sunny | 0 to 5 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Dumas (33.883, -91.486). Updated through the day.
Growing snapshot for Dumas
Last spring frost
Mar 12
First fall frost
Nov 14
Growing season
245 days
Hardiness zone
8b
More local growing data for Dumas: nearby ZIP 71639 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dumas, Ar (0.3 mi from Dumas). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.