DeWitt, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for DeWitt, a city in Arkansas County, Arkansas.
This Afternoon
101°F
Sunny
Sunny. High near 101, with temperatures falling to around 97 in the afternoon. Heat index values as high as 104. South wind around 5 mph.
7-day forecast for DeWitt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 101°F | Sunny | 5 mph S | 0% |
| Tonight | 74°F | Clear | 0 to 5 mph SSW | 0% |
| Saturday | 102°F | Sunny | 5 mph WSW | 1% |
| Saturday Night | 75°F | Clear | 5 mph SSW | 0% |
| Sunday | 101°F | Sunny | 5 mph WSW | 0% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 100°F | Mostly Sunny | 5 mph WNW | 8% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 mph NNW | 20% |
| Tuesday | 95°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Tuesday Night | 67°F | Partly Cloudy | 10 mph NNE | 8% |
| Wednesday | 91°F | Sunny | 10 mph NNE | 3% |
| Wednesday Night | 66°F | Mostly Clear | 5 to 10 mph NNE | 3% |
| Thursday | 90°F | Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 65°F | Mostly Clear | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for DeWitt (34.287, -91.338). Updated through the day.
Growing snapshot for DeWitt
Last spring frost
Mar 17
First fall frost
Nov 10
Growing season
238 days
Hardiness zone
8b
More local growing data for DeWitt: nearby ZIP 72042 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Saint Charles, Ar (13.1 mi from DeWitt). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.