Harman US

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
73°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 73, with temperatures falling to around 69 in the afternoon. South southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

7-day forecast for Sulphur Springs

WhenTempForecastWindPrecip
This Afternoon 73°F Showers And Thunderstorms 10 mph SSW 99%
Tonight 48°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph WSW 24%
Wednesday 70°F Sunny 0 to 5 mph W 0%
Wednesday Night 42°F Partly Cloudy 0 mph 0%
Thursday 73°F Mostly Sunny 0 mph 0%
Thursday Night 46°F Partly Cloudy 0 to 5 mph NNW 0%
Friday 69°F Mostly Sunny 5 mph N 0%
Friday Night 39°F Mostly Clear 0 to 5 mph NNE 0%
Saturday 63°F Mostly Sunny 0 to 5 mph N 0%
Saturday Night 36°F Partly Cloudy 0 mph 3%
Sunday 65°F Mostly Sunny 0 to 5 mph NNW 6%
Sunday Night 35°F Mostly Clear 0 mph 1%
Monday 68°F Sunny 0 to 5 mph W 0%
Monday Night 36°F Clear 0 mph 0%

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

All Arkansas locations ›

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 Nov 3, 2026.