Caldwell, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caldwell, a town in St. Francis County, Arkansas.
Overnight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. West wind around 5 mph.
7-day forecast for Caldwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Partly Cloudy | 5 mph W | 1% |
| Wednesday | 68°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Thursday | 71°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 51°F | Mostly Clear | 0 to 5 mph N | 0% |
| Friday | 66°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 45°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 58°F | Mostly Sunny | 5 mph NNE | 0% |
| Saturday Night | 40°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 39°F | Mostly Clear | 0 mph | 0% |
| Monday | 65°F | Sunny | 0 mph | 2% |
| Monday Night | 42°F | Clear | 0 mph | 1% |
| Tuesday | 69°F | Sunny | 0 mph | 2% |
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 Nov 4, 2026.