Caldwell, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caldwell, a town in St. Francis County, Arkansas.
Overnight
67°F
Clear
Clear, with a low around 67. East northeast wind around 0 mph.
7-day forecast for Caldwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Clear | 0 mph | 0% |
| Tuesday | 88°F | Sunny | 0 mph | 0% |
| Tuesday Night | 69°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 91°F | Mostly Sunny | 0 mph | 0% |
| Wednesday Night | 73°F | Mostly Clear | 0 mph | 2% |
| Thursday | 92°F | Mostly Sunny | 0 mph | 9% |
| Thursday Night | 75°F | Partly Cloudy | 0 mph | 11% |
| Friday | 91°F | Chance Showers And Thunderstorms | 0 mph | 33% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 0 mph | 33% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 0 mph | 30% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 30% |
| Sunday | 91°F | Mostly Sunny | 0 mph | 13% |
| Sunday Night | 75°F | Partly Cloudy | 0 mph | 13% |
| Monday | 92°F | Mostly Sunny | 0 to 5 mph SSW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Caldwell (35.075, -90.809). Updated through the day.
Growing snapshot for Caldwell
Last spring frost
Mar 23
First fall frost
Nov 7
Growing season
231 days
Hardiness zone
8a
More local growing data for Caldwell: nearby ZIP 72322 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wynne, Ar (12.9 mi from Caldwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.