Sulphur Springs, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sulphur Springs, a community in Jefferson County, Arkansas.
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 100. Southeast wind around 0 mph.
7-day forecast for Sulphur Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 0 mph | 0% |
| Tonight | 70°F | Clear | 0 mph | 0% |
| Saturday | 98°F | Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 71°F | Clear | 0 mph | 0% |
| Sunday | 97°F | Sunny | 0 to 5 mph WSW | 0% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 1% |
| Monday | 95°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Monday Night | 69°F | Partly Cloudy | 0 mph | 10% |
| Tuesday | 91°F | Mostly Sunny | 5 mph NNE | 9% |
| Tuesday Night | 65°F | Partly Cloudy | 5 mph NNE | 9% |
| Wednesday | 87°F | Sunny | 5 mph NNE | 3% |
| Wednesday Night | 63°F | Mostly Clear | 5 mph NE | 2% |
| Thursday | 86°F | Sunny | 5 mph NNE | 2% |
| Thursday Night | 63°F | Mostly Clear | 0 to 5 mph NE | 2% |
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 Sep 18, 2026.