Sulphur Springs, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sulphur Springs, a community in Jefferson County, Arkansas.
Today
93°F
Sunny
Sunny, with a high near 93. Heat index values as high as 97. East northeast wind 0 to 5 mph.
7-day forecast for Sulphur Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 0 to 5 mph ENE | 0% |
| Tonight | 70°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 95°F | Sunny | 0 mph | 2% |
| Wednesday Night | 73°F | Mostly Clear | 0 mph | 3% |
| Thursday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 20% |
| Friday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 46% |
| Friday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 46% |
| Saturday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 29% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
| Sunday | 93°F | Mostly Sunny | 0 mph | 14% |
| Sunday Night | 73°F | Partly Cloudy | 0 mph | 14% |
| Monday | 93°F | Mostly Sunny | 0 to 5 mph SSW | 14% |
| Monday Night | 73°F | Partly Cloudy | 0 mph | 14% |
Forecast source: National Weather Service (api.weather.gov) for Sulphur Springs (34.171, -92.132). Updated through the day.
Growing snapshot for Sulphur Springs
Last spring frost
Mar 14
First fall frost
Nov 16
Growing season
245 days
Hardiness zone
8a
More local growing data for Sulphur Springs: nearby ZIP 71603 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pine Bluff, Ar (8.2 mi from Sulphur Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.