Louisiana · NWS LCH office

Sulphur, LA weather

It is 64°F and clear at Lake Charles Regional Airport as of Oct 28, 4:05 AM CDT. Overnight: Partly Cloudy, low near 62°F, 2% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 2:45 AM CDT.

Updated Oct 28, 4:30 AM CDT (snapshot)

Current conditions

Temperature

64°F

Clear

Wind

Calm

Humidity 100% · dew point 64°F

Pressure · visibility

30.15 inHg

Visibility 10 mi

Observed at Lake Charles Regional Airport (KLCH), Oct 28, 4:05 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Sulphur forecast zone right now.

Around the NWS LCH forecast area

No active alerts in zones served by the LCH office near Sulphur.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Louisiana.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Sulphur (local time)
TimeTempForecastPrecip. chanceWind
Wed 6 AM64°FMostly Sunny2% 0 mph
Wed 7 AM64°FMostly Sunny1%NE 5 mph
Wed 8 AM63°FMostly Sunny1%E 5 mph
Wed 9 AM67°FMostly Sunny1%E 5 mph
Wed 10 AM73°FSunny1%E 5 mph
Wed 11 AM77°FSunny2%E 5 mph
Wed 12 PM79°FSunny2%E 5 mph
Wed 1 PM81°FSunny2%E 5 mph
Wed 2 PM83°FSunny2%E 5 mph
Wed 3 PM83°FSunny2%E 5 mph
Wed 4 PM84°FSunny2%E 5 mph
Wed 5 PM82°FSunny2%E 5 mph
Wed 6 PM81°FClear2% 0 mph
Wed 7 PM77°FMostly Clear2% 0 mph
Wed 8 PM72°FMostly Clear2% 0 mph
Wed 9 PM70°FMostly Clear1% 0 mph
Wed 10 PM67°FMostly Clear1% 0 mph
Wed 11 PM66°FMostly Clear1% 0 mph
Thu 12 AM64°FMostly Clear1% 0 mph
Thu 1 AM64°FMostly Clear1% 0 mph
Thu 2 AM63°FPartly Cloudy1% 0 mph
Thu 3 AM62°FMostly Clear1% 0 mph
Thu 4 AM61°FMostly Clear1% 0 mph
Thu 5 AM61°FMostly Clear1% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Sulphur can differ.

7-day forecast

Overnight

Low 62°F

Partly cloudy, with a low around 62. East wind around 0 mph.

Wednesday

High 84°F·Low 59°F

Sunny, with a high near 84. East wind 0 to 5 mph.

Wednesday Night: Mostly clear, with a low around 59. South wind around 0 mph.

Thursday

High 84°F·Low 60°F

Sunny, with a high near 84. Northeast wind 0 to 5 mph.

Thursday Night: Partly cloudy, with a low around 60. East wind around 0 mph.

Friday

High 83°F·Low 66°F

Mostly cloudy, with a high near 83. East wind 0 to 5 mph.

Friday Night: A slight chance of rain showers between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East wind 0 to 5 mph. Chance of precipitation is 40%.

Saturday

High 82°F·Low 66°F

A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 82. Southeast wind around 5 mph. Chance of precipitation is 70%.

Saturday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 66. East wind around 0 mph. Chance of precipitation is 70%.

Sunday

High 84°F·Low 65°F

Partly sunny, with a high near 84.

Sunday Night: Partly cloudy, with a low around 65.

Monday

High 84°F·Low 66°F

Partly sunny, with a high near 84.

Monday Night: A chance of rain showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Tuesday

High 81°F

A chance of showers and thunderstorms. Partly sunny, with a high near 81.

Nearby cities

Larger cities in the area

Other cities in Calcasieu Parish

See every city we cover in Louisiana, or check all active alerts.

About this forecast

Forecast office
Sulphur is served by the National Weather Service LCH forecast office, forecast zone LAZ141, county zone LAC019.
Location used
The Census Bureau's internal point for Sulphur (30.2298, -93.3563), in Calcasieu Parish. Population: 20,572 (2024 estimate), number 16 of the 17 Louisiana cities on this site.
Radar
Nearest NWS radar: KLCH. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/30.2298,-93.3563 (forecast issued Oct 28, 2:45 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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