Live Weather & Forecast
Weather in Port Sulphur
Louisiana, United States · Real-time conditions & 3-day outlook
17°C
Feels like 17°C
62°F / Feels 62°F
Clear
Port Sulphur, Louisiana
🌙 Nighttime
Updated: 2026-04-13 04:45
Humidity
100%
Wind
8.6 km/h SE
Wind Gust
15.5 km/h
Pressure
1023 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
15.3°C
Wind Degree
132°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
128.9 μg/m³
NO₂
2.2 μg/m³
O₃
108 μg/m³
SO₂
1.1 μg/m³
PM 2.5
7.6 μg/m³
PM 10
11.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Port Sulphur, Louisiana
12 AM
19°
Clear
1 AM
18°
Clear
2 AM
18°
Clear
3 AM
18°
Clear
4 AM
17°
Clear
5 AM
18°
Clear
6 AM
18°
Clear
7 AM
20°
Sunny
8 AM
22°
Sunny
9 AM
23°
Sunny
10 AM
25°
Sunny
11 AM
26°
Sunny
12 PM
27°
Sunny
1 PM
28°
Sunny
2 PM
28°
Sunny
3 PM
27°
Sunny
4 PM
27°
Sunny
5 PM
26°
Sunny
6 PM
25°
Sunny
7 PM
23°
Partly Cloudy
8 PM
22°
Clear
9 PM
22°
Clear
10 PM
21°
Clear
11 PM
21°
Clear
3-Day Forecast
Daily overview for Port Sulphur, Louisiana
Today
Sunny
28°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:25 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
23°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:25 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Partly Cloudy
24°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.6
🌅 Sunrise: 06:32 AM
🌇 Sunset: 07:26 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Port Sulphur
Plan your trip to Port Sulphur, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Port Sulphur?
Current conditions in Port Sulphur: Clear, temperature 17°C, humidity 100%.
What is the best time to visit Port Sulphur?
The best time to visit Port Sulphur is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Port Sulphur?
Port Sulphur is located at approximately 29.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Port Sulphur?
The wettest period in Port Sulphur is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Port Sulphur?
For visits to Port Sulphur during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Port Sulphur in?
Port Sulphur is located in United States, in the state of Louisiana.
What are the public holidays in Port Sulphur in 2026?
View the 2026 public holidays for Port Sulphur on our Holidays page.
What are the GPS coordinates used for the weather forecast in Port Sulphur?
The weather forecast for Port Sulphur uses coordinates 29.4802, -89.6942.