Dumas, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dumas, a city in Lincoln County, Arkansas.
Today
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 98. Northeast wind 0 to 5 mph.
7-day forecast for Dumas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 0 to 5 mph NE | 0% |
| Tonight | 71°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Wednesday | 97°F | Sunny | 0 to 5 mph SSE | 3% |
| Wednesday Night | 74°F | Mostly Clear | 5 mph SSE | 3% |
| Thursday | 97°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Thursday Night | 76°F | Partly Cloudy | 0 to 5 mph S | 11% |
| Friday | 96°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 25% |
| Friday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 25% |
| Saturday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 24% |
| Saturday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 24% |
| Sunday | 96°F | Mostly Sunny | 0 to 5 mph S | 14% |
| Sunday Night | 75°F | Partly Cloudy | 5 mph S | 14% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 16% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 16% |
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 Aug 4, 2026.