Dumas, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dumas, a city in Lincoln County, Arkansas.
Overnight
74°F
Clear
Clear, with a low around 74. West wind around 0 mph.
7-day forecast for Dumas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Clear | 0 mph | 0% |
| Saturday | 100°F | Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 75°F | Mostly Clear | 5 mph SSW | 1% |
| Sunday | 100°F | Sunny | 5 to 10 mph WSW | 1% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 99°F | Mostly Sunny | 5 mph W | 8% |
| Monday Night | 73°F | Partly Cloudy | 0 to 5 mph N | 8% |
| Tuesday | 94°F | Sunny | 5 to 10 mph NNE | 8% |
| Tuesday Night | 67°F | Mostly Clear | 10 to 15 mph NNE | 8% |
| Wednesday | 90°F | Sunny | 10 mph NNE | 1% |
| Wednesday Night | 65°F | Mostly Clear | 5 to 10 mph NNE | 1% |
| Thursday | 89°F | Sunny | 5 to 10 mph NNE | 0% |
| Thursday Night | 65°F | Partly Cloudy | 5 to 10 mph NE | 0% |
| Friday | 89°F | Mostly Sunny | 5 to 10 mph NNE | 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 Sep 19, 2026.