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Now · 5:15 AM

Port Sulphur Weather & Hourly Forecast

United States · Louisiana · 70083

81°F

Mostly clear night

Feels like: 88°F

💧 Humidity 81% 🌡 Pressure 29.97 inHg 💨 Wind 6 mph 👁 Visibility 10.2 mi ☁ Clouds 17% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:46 AM 🌇 Sunset 6:55 PM

Hourly Forecast for Port Sulphur

Today

6:00 AM

Mostly clear night

81° 💧 0.023 in 💨 7 mph H 82%29.97 inHg

9:00 AM

Sunny

84° 💧 0.001 in 💨 12 mph H 73%30.03 inHg

12:00 PM

Sunny

87° 💧 0.000 in 💨 14 mph H 67%30.03 inHg

3:00 PM

Sunny

87° 💧 None 💨 13 mph H 65%30.00 inHg

6:00 PM

Sunny

85° 💧 None 💨 10 mph H 67%29.97 inHg

9:00 PM

Clear night

84° 💧 None 💨 6 mph H 76%30.00 inHg

Tomorrow

12:00 AM

Clear night

83° 💧 0.001 in 💨 4 mph H 77%30.00 inHg

3:00 AM

Mostly cloudy night

81° 💧 0.023 in 💨 5 mph H 82%30.00 inHg

6:00 AM

Mostly clear night

80° 💧 0.001 in 💨 8 mph H 87%30.00 inHg

9:00 AM

Sunny

84° 💧 0.001 in 💨 11 mph H 74%30.03 inHg

12:00 PM

Mostly sunny

87° 💧 0.012 in 💨 11 mph H 65%30.03 inHg

3:00 PM

Light rain

87° 💧 0.011 in 💨 10 mph H 63%29.97 inHg

6:00 PM

Overcast

85° 💧 None 💨 7 mph H 66%29.97 inHg

9:00 PM

Overcast night

83° 💧 0.001 in 💨 4 mph H 76%30.00 inHg

Friday

12:00 AM

Mostly cloudy night

82° 💧 0.037 in 💨 4 mph H 78%30.00 inHg

3:00 AM

Mostly cloudy night

78° 💧 0.001 in 💨 4 mph H 86%30.00 inHg

Today

6:00 AM

Mostly clear night

81° 💧 0.003 in 💨 7 mph H 82%29.97 inHg

7:00 AM

Mostly sunny

81° 💧 0.002 in 💨 8 mph H 84%30.00 inHg

8:00 AM

Light rain

82° 💧 0.018 in 💨 10 mph H 85%30.00 inHg

9:00 AM

Sunny

84° 💧 0.001 in 💨 12 mph H 73%30.03 inHg

10:00 AM

Sunny

86° 💧 None 💨 13 mph H 68%30.03 inHg

11:00 AM

Sunny

86° 💧 None 💨 14 mph H 67%30.03 inHg

12:00 PM

Sunny

87° 💧 0.000 in 💨 14 mph H 67%30.03 inHg

1:00 PM

Sunny

87° 💧 None 💨 14 mph H 65%30.03 inHg

2:00 PM

Sunny

87° 💧 None 💨 13 mph H 64%30.00 inHg

3:00 PM

Sunny

87° 💧 None 💨 13 mph H 65%30.00 inHg

4:00 PM

Sunny

87° 💧 None 💨 13 mph H 64%29.97 inHg

5:00 PM

Sunny

86° 💧 None 💨 12 mph H 65%29.97 inHg

6:00 PM

Sunny

85° 💧 None 💨 10 mph H 67%29.97 inHg

7:00 PM

Clear night

84° 💧 None 💨 8 mph H 70%29.97 inHg

8:00 PM

Clear night

84° 💧 None 💨 7 mph H 74%29.97 inHg

9:00 PM

Clear night

84° 💧 None 💨 6 mph H 76%30.00 inHg

10:00 PM

Clear night

83° 💧 None 💨 5 mph H 76%30.03 inHg

11:00 PM

Clear night

83° 💧 None 💨 5 mph H 77%30.00 inHg

Tomorrow

12:00 AM

Clear night

83° 💧 None 💨 4 mph H 77%30.00 inHg

1:00 AM

Clear night

82° 💧 None 💨 3 mph H 78%30.00 inHg

2:00 AM

Mostly clear night

82° 💧 0.001 in 💨 3 mph H 80%30.00 inHg

3:00 AM

Mostly cloudy night

81° 💧 0.001 in 💨 5 mph H 82%30.00 inHg

4:00 AM

Mostly cloudy night

81° 💧 0.002 in 💨 5 mph H 84%30.00 inHg

5:00 AM

Light rain

80° 💧 0.021 in 💨 5 mph H 91%30.00 inHg

6:00 AM

Mostly clear night

80° 💧 None 💨 8 mph H 87%30.00 inHg

7:00 AM

Partly cloudy

80° 💧 0.001 in 💨 9 mph H 84%30.00 inHg

8:00 AM

Sunny

82° 💧 None 💨 11 mph H 79%30.03 inHg

9:00 AM

Sunny

84° 💧 None 💨 11 mph H 74%30.03 inHg

10:00 AM

Mostly sunny

86° 💧 None 💨 11 mph H 70%30.03 inHg

11:00 AM

Mostly sunny

87° 💧 0.001 in 💨 11 mph H 65%30.03 inHg

12:00 PM

Mostly sunny

87° 💧 0.003 in 💨 11 mph H 65%30.03 inHg

1:00 PM

Mostly cloudy

87° 💧 0.003 in 💨 11 mph H 65%30.00 inHg

2:00 PM

Light rain

87° 💧 0.006 in 💨 10 mph H 64%30.00 inHg

3:00 PM

Light rain

87° 💧 0.007 in 💨 10 mph H 63%29.97 inHg

4:00 PM

Mostly cloudy

87° 💧 0.003 in 💨 9 mph H 65%29.97 inHg

5:00 PM

Overcast

86° 💧 0.001 in 💨 8 mph H 64%29.97 inHg

6:00 PM

Overcast

85° 💧 None 💨 7 mph H 66%29.97 inHg

7:00 PM

Overcast night

84° 💧 None 💨 5 mph H 71%29.97 inHg

8:00 PM

Mostly cloudy night

83° 💧 None 💨 5 mph H 74%29.97 inHg

9:00 PM

Overcast night

83° 💧 None 💨 4 mph H 76%30.00 inHg

10:00 PM

Overcast night

83° 💧 None 💨 4 mph H 77%30.00 inHg

11:00 PM

Partly cloudy night

82° 💧 0.001 in 💨 5 mph H 77%30.00 inHg

Friday

12:00 AM

Mostly cloudy night

82° 💧 0.002 in 💨 4 mph H 78%30.00 inHg

1:00 AM

Light rain

80° 💧 0.004 in 💨 5 mph H 79%30.00 inHg

2:00 AM

Light rain

77° 💧 0.031 in 💨 7 mph H 88%30.00 inHg

3:00 AM

Mostly cloudy night

78° 💧 0.001 in 💨 4 mph H 86%30.00 inHg

4:00 AM

Mostly clear night

79° 💧 None 💨 3 mph H 86%30.00 inHg

5:00 AM

Partly cloudy night

79° 💧 None 💨 3 mph H 82%30.00 inHg

6:00 AM

Light rain

79° 💧 0.015 in 💨 3 mph H 85%30.00 inHg

7:00 AM

Sunny

78° 💧 0.002 in 💨 7 mph H 85%30.03 inHg

8:00 AM

Sunny

80° 💧 None 💨 9 mph H 79%30.03 inHg

9:00 AM

Sunny

82° 💧 None 💨 10 mph H 73%30.06 inHg

10:00 AM

Sunny

84° 💧 0.001 in 💨 10 mph H 67%30.06 inHg

11:00 AM

Mostly sunny

85° 💧 0.002 in 💨 11 mph H 61%30.06 inHg

12:00 PM

Mostly sunny

86° 💧 0.004 in 💨 12 mph H 60%30.06 inHg

1:00 PM

Light rain

85° 💧 0.013 in 💨 12 mph H 61%30.03 inHg

2:00 PM

Light rain

84° 💧 0.004 in 💨 13 mph H 63%30.03 inHg

3:00 PM

Light rain

84° 💧 0.016 in 💨 13 mph H 69%30.00 inHg

4:00 PM

Sunny

84° 💧 0.002 in 💨 13 mph H 65%29.97 inHg

5:00 PM

Sunny

83° 💧 0.001 in 💨 12 mph H 66%29.97 inHg

6:00 PM

Sunny

82° 💧 None 💨 11 mph H 69%29.97 inHg

7:00 PM

Clear night

81° 💧 None 💨 10 mph H 71%29.97 inHg

10:00 PM

Clear night

80° 💧 None 💨 7 mph H 71%30.03 inHg

Saturday

1:00 AM

Clear night

80° 💧 None 💨 7 mph H 72%30.00 inHg

4:00 AM

Mostly clear night

79° 💧 None 💨 6 mph H 73%30.00 inHg

7:00 AM

Mostly sunny

78° 💧 None 💨 5 mph H 76%30.03 inHg

10:00 AM

Mostly cloudy

84° 💧 None 💨 7 mph H 57%30.06 inHg

1:00 PM

Overcast

86° 💧 None 💨 9 mph H 53%30.03 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 9 mph H 53%30.00 inHg

7:00 PM

Overcast night

81° 💧 None 💨 7 mph H 64%30.00 inHg

10:00 PM

Overcast night

80° 💧 None 💨 6 mph H 68%30.00 inHg

Sunday

1:00 AM

Partly cloudy night

79° 💧 None 💨 6 mph H 69%30.00 inHg

4:00 AM

Overcast night

78° 💧 None 💨 4 mph H 73%30.00 inHg

7:00 AM

Overcast

77° 💧 None 💨 3 mph H 77%30.00 inHg

10:00 AM

Mostly cloudy

84° 💧 None 💨 5 mph H 54%30.03 inHg

1:00 PM

Sunny

86° 💧 None 💨 8 mph H 49%30.00 inHg

4:00 PM

Sunny

86° 💧 None 💨 8 mph H 49%29.94 inHg

7:00 PM

Mostly clear night

81° 💧 None 💨 6 mph H 62%29.94 inHg

10:00 PM

Mostly clear night

80° 💧 None 💨 5 mph H 67%29.94 inHg

Monday

1:00 AM

Mostly clear night

80° 💧 None 💨 6 mph H 68%29.94 inHg

4:00 AM

Clear night

79° 💧 None 💨 4 mph H 71%29.94 inHg

7:00 AM

Mostly sunny

78° 💧 None 💨 4 mph H 71%29.94 inHg

10:00 AM

Mostly sunny

84° 💧 None 💨 6 mph H 52%29.94 inHg

1:00 PM

Partly cloudy

86° 💧 None 💨 10 mph H 48%29.94 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 11 mph H 49%29.88 inHg

7:00 PM

Partly cloudy night

81° 💧 None 💨 8 mph H 58%29.88 inHg

Tuesday

1:00 AM

Partly cloudy night

79° 💧 None 💨 8 mph H 70%29.91 inHg

7:00 AM

Light rain

78° 💧 None 💨 8 mph H 78%29.88 inHg

1:00 PM

Light rain

86° 💧 None 💨 10 mph H 61%29.88 inHg

7:00 PM

Overcast night

83° 💧 None 💨 11 mph H 71%29.83 inHg

Wednesday

1:00 AM

Overcast night

82° 💧 None 💨 14 mph H 75%29.80 inHg

7:00 AM

Moderate rain

78° 💧 None 💨 16 mph H 87%29.80 inHg

1:00 PM

Moderate rain

78° 💧 None 💨 15 mph H 92%29.77 inHg

7:00 PM

Light thunderstorms

76° 💧 None 💨 17 mph H 93%29.74 inHg

Thursday

1:00 AM

Clear night

74° 💧 None 💨 7 mph H 96%29.77 inHg

7:00 AM

Sunny

73° 💧 None 💨 9 mph H 95%29.83 inHg

1:00 PM

Mostly sunny

81° 💧 None 💨 7 mph H 69%29.88 inHg

7:00 PM

Mostly clear night

78° 💧 None 💨 3 mph H 78%29.88 inHg

Friday

1:00 AM

Mostly clear night

76° 💧 None 💨 8 mph H 81%29.94 inHg

7:00 AM

Sunny

73° 💧 None 💨 11 mph H 84%29.97 inHg

1:00 PM

Sunny

80° 💧 None 💨 11 mph H 63%30.00 inHg

7:00 PM

Clear night

77° 💧 None 💨 5 mph H 63%29.97 inHg

Saturday

1:00 AM

Clear night

75° 💧 None 💨 11 mph H 73%30.00 inHg

7:00 AM

Sunny

72° 💧 None 💨 12 mph H 75%30.03 inHg

1:00 PM

Sunny

77° 💧 None 💨 13 mph H 54%30.06 inHg

7:00 PM

Clear night

73° 💧 None 💨 7 mph H 63%30.03 inHg

Sunday

1:00 AM

Partly cloudy night

73° 💧 None 💨 10 mph H 64%30.06 inHg

7:00 AM

Sunny

69° 💧 None 💨 11 mph H 78%30.06 inHg

1:00 PM

Partly cloudy

77° 💧 None 💨 10 mph H 62%30.09 inHg

7:00 PM

Overcast night

74° 💧 None 💨 8 mph H 63%30.03 inHg

Monday

1:00 AM

Overcast night

74° 💧 None 💨 9 mph H 75%30.03 inHg

7:00 AM

Overcast

73° 💧 None 💨 10 mph H 84%30.03 inHg

1:00 PM

Light rain

80° 💧 None 💨 14 mph H 69%30.06 inHg

7:00 PM

Overcast night

78° 💧 None 💨 12 mph H 74%30.03 inHg

Tuesday

1:00 AM

Mostly cloudy night

78° 💧 None 💨 11 mph H 64%30.06 inHg

7:00 AM

Sunny

76° 💧 None 💨 11 mph H 77%30.06 inHg

1:00 PM

Sunny

80° 💧 None 💨 14 mph H 65%30.09 inHg

7:00 PM

Overcast night

76° 💧 None 💨 8 mph H 65%30.03 inHg

Wednesday

1:00 AM

Partly cloudy night

73° 💧 None 💨 3 mph H 88%30.03 inHg

7:00 AM

Partly cloudy

71° 💧 None 💨 7 mph H 91%30.03 inHg

1:00 PM

Sunny

82° 💧 None 💨 7 mph H 50%30.03 inHg

7:00 PM

Clear night

77° 💧 None 💨 1 mph H 66%29.97 inHg

In Port Sulphur and, more broadly, across the state of Louisiana: This morning will feature a mix of sun and clouds with warm temperatures ranging from the low 70s to the upper 80s. Winds will be moderate from the northwest at around 15 mph, with gusts reaching up to 30 mph. As the day progresses, temperatures are expected to climb into the low 90s, bringing hot conditions. There is a high chance of rain, with possible rainfall accumulating around 0.13 inches, especially in the afternoon. Winds will remain steady from the northwest, maintaining speeds up to 15 mph with gusts up to 30 mph. Be prepared for potential brief showers and gusty winds later in the day. Overall, expect a warm and slightly unsettled afternoon with some rain and breezy conditions.

15-Day Weather Outlook for Port Sulphur

TomorrowTomorrow

Mostly sunny 87°/80° 💧 None 💨 11 mph

Friday, Sep 25Fri Sep 25

Light rain 86°/77° 💧 0.165 in 💨 13 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 86°/78° 💧 None 💨 9 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 86°/77° 💧 None 💨 8 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 86°/78° 💧 None 💨 11 mph

Tuesday, Sep 29Tue Sep 29

Light rain 86°/78° 💧 0.053 in 💨 11 mph

Wednesday, Sep 30Wed Sep 30

Light thunderstorms 82°/76° 💧 1.566 in 💨 17 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 81°/73° 💧 0.077 in 💨 9 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 80°/73° 💧 None 💨 11 mph

Saturday, Oct 3Sat Oct 3

Sunny 77°/72° 💧 None 💨 13 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 77°/69° 💧 None 💨 11 mph

Monday, Oct 5Mon Oct 5

Light rain 80°/73° 💧 0.019 in 💨 14 mph

Tuesday, Oct 6Tue Oct 6

Mostly cloudy 80°/76° 💧 None 💨 14 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 82°/71° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Port Sulphur

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Port Sulphur

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 2,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,0µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 88,1µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Port Sulphur

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 9,2Very high 🙂Fair

Tomorrow UV 8,4Very high 😐Moderate

Friday UV 8,2Very high 🙂Fair

Saturday UV 7,7High 🙂Fair

Sunday UV 8,0Very high 🙂Fair

Monday UV 8,0Very high —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,6 10:00 AMUV 3,8 11:00 AMUV 6,4 12:00 PMUV 8,4 1:00 PMUV 9,2 2:00 PMUV 8,4 3:00 PMUV 6,3 4:00 PMUV 3,7 5:00 PMUV 1,6 6:00 PMUV 0,4

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Port Sulphur

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PORT SULPHUR, LOUISIANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 AM–10:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 9:00 AM–10:00 AM Astronomical darkness: 8:14 PM–5:28 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 90% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 24° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min44%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Port Sulphur were last refreshed today at 4:17 AM. The current forecast period extends through 25/09/2026 at 3:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.