Caldwell, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caldwell, a town in St. Francis County, Arkansas.
Tonight
74°F
Clear
Clear, with a low around 74. Southwest wind around 0 mph.
7-day forecast for Caldwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Clear | 0 mph | 0% |
| Saturday | 100°F | Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 75°F | Mostly Clear | 0 mph | 0% |
| Sunday | 99°F | Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 76°F | Partly Cloudy | 0 mph | 0% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph NNW | 12% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 15% |
| Tuesday | 90°F | Mostly Sunny | 5 mph N | 12% |
| Tuesday Night | 65°F | Partly Cloudy | 5 mph NNE | 12% |
| Wednesday | 86°F | Sunny | 5 mph NNE | 5% |
| Wednesday Night | 64°F | Mostly Clear | 5 mph NNE | 3% |
| Thursday | 86°F | Sunny | 5 mph NNE | 3% |
| Thursday Night | 64°F | Mostly Clear | 5 mph NNE | 3% |
| Friday | 86°F | Mostly Sunny | 5 mph NNE | 3% |
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 Sep 19, 2026.