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Current weather in Port Allen is overcast clouds.

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Weather data for Port Allen is updated regularly with the latest available observations and forecasts.

Now · 1:48 PM

Port Allen Weather & Hourly Forecast

United States · Louisiana · 70767

84°F

Overcast

Feels like: 93°F

💧 Humidity 75% 🌡 Pressure 29.97 inHg 💨 Wind 3 mph 👁 Visibility 19.0 mi ☁ Clouds 95% ☀️ UV index 8.7 · Very high 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Port Allen

Today

2:00 PM

Overcast

84° 💧 0.013 in 💨 3 mph H 75%29.97 inHg

5:00 PM

Mostly cloudy

85° 💧 0.005 in 💨 4 mph H 74%29.91 inHg

8:00 PM

Thunderstorms

77° 💧 0.182 in 💨 6 mph H 97%29.94 inHg

11:00 PM

Mostly cloudy night

76° 💧 0.003 in 💨 2 mph H 98%29.94 inHg

Tomorrow

2:00 AM

Mostly cloudy night

76° 💧 None 💨 1 mph H 95%29.94 inHg

5:00 AM

Mostly cloudy night

76° 💧 0.069 in 💨 1 mph H 95%29.91 inHg

8:00 AM

Thunderstorms

75° 💧 0.166 in 💨 3 mph H 97%29.94 inHg

11:00 AM

Light rain

81° 💧 0.021 in 💨 2 mph H 84%29.97 inHg

2:00 PM

Light rain

86° 💧 0.018 in 💨 2 mph H 70%29.88 inHg

5:00 PM

Light rain

86° 💧 0.026 in 💨 2 mph H 71%29.83 inHg

8:00 PM

Light rain

79° 💧 0.023 in 💨 2 mph H 92%29.85 inHg

11:00 PM

Mostly clear night

78° 💧 0.000 in 💨 2 mph H 93%29.91 inHg

Saturday

2:00 AM

Clear night

77° 💧 None 💨 2 mph H 97%29.91 inHg

5:00 AM

Clear night

76° 💧 None 💨 2 mph H 96%29.91 inHg

8:00 AM

Light rain

77° 💧 0.017 in 💨 4 mph H 97%29.97 inHg

11:00 AM

Light rain

84° 💧 0.014 in 💨 3 mph H 77%30.00 inHg

Today

2:00 PM

Overcast

84° 💧 0.002 in 💨 3 mph H 75%29.97 inHg

3:00 PM

Light thunderstorms

85° 💧 0.004 in 💨 5 mph H 72%29.94 inHg

4:00 PM

Light thunderstorms

85° 💧 0.008 in 💨 6 mph H 72%29.94 inHg

5:00 PM

Mostly cloudy

85° 💧 0.002 in 💨 4 mph H 74%29.91 inHg

6:00 PM

Partly cloudy

84° 💧 0.000 in 💨 2 mph H 75%29.91 inHg

7:00 PM

Partly cloudy

83° 💧 0.003 in 💨 1 mph H 83%29.91 inHg

8:00 PM

Thunderstorms

77° 💧 0.134 in 💨 6 mph H 97%29.94 inHg

9:00 PM

Light rain

77° 💧 0.036 in 💨 2 mph H 97%29.94 inHg

10:00 PM

Light rain

77° 💧 0.013 in 💨 2 mph H 99%29.94 inHg

11:00 PM

Mostly cloudy night

76° 💧 0.003 in 💨 2 mph H 98%29.94 inHg

Tomorrow

12:00 AM

Mostly cloudy night

76° 💧 0.000 in 💨 3 mph H 97%29.94 inHg

1:00 AM

Mostly cloudy night

76° 💧 None 💨 2 mph H 96%29.91 inHg

2:00 AM

Mostly cloudy night

76° 💧 None 💨 1 mph H 95%29.94 inHg

3:00 AM

Mostly cloudy night

76° 💧 None 💨 2 mph H 97%29.91 inHg

4:00 AM

Mostly cloudy night

75° 💧 None 💨 2 mph H 97%29.91 inHg

5:00 AM

Mostly cloudy night

76° 💧 None 💨 1 mph H 95%29.91 inHg

6:00 AM

Mostly cloudy night

75° 💧 None 💨 2 mph H 96%29.91 inHg

7:00 AM

Light thunderstorms

74° 💧 0.069 in 💨 2 mph H 97%29.94 inHg

8:00 AM

Thunderstorms

75° 💧 0.122 in 💨 3 mph H 97%29.94 inHg

9:00 AM

Light rain

76° 💧 0.029 in 💨 3 mph H 94%29.97 inHg

10:00 AM

Light rain

79° 💧 0.014 in 💨 4 mph H 89%29.97 inHg

11:00 AM

Light rain

81° 💧 0.006 in 💨 2 mph H 84%29.97 inHg

12:00 PM

Light rain

84° 💧 0.007 in 💨 2 mph H 79%29.97 inHg

1:00 PM

Light rain

85° 💧 0.007 in 💨 2 mph H 74%29.94 inHg

2:00 PM

Light rain

86° 💧 0.005 in 💨 2 mph H 70%29.88 inHg

3:00 PM

Light rain

86° 💧 0.004 in 💨 2 mph H 69%29.88 inHg

4:00 PM

Light rain

86° 💧 0.008 in 💨 2 mph H 71%29.85 inHg

5:00 PM

Light rain

86° 💧 0.005 in 💨 2 mph H 71%29.83 inHg

6:00 PM

Light thunderstorms

83° 💧 0.009 in 💨 6 mph H 78%29.83 inHg

7:00 PM

Light thunderstorms

80° 💧 0.012 in 💨 5 mph H 89%29.85 inHg

8:00 PM

Light rain

79° 💧 0.017 in 💨 2 mph H 92%29.85 inHg

9:00 PM

Light rain

79° 💧 0.004 in 💨 1 mph H 91%29.88 inHg

10:00 PM

Mostly clear night

79° 💧 0.002 in 💨 1 mph H 90%29.91 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 2 mph H 93%29.91 inHg

Saturday

12:00 AM

Clear night

78° 💧 0.000 in 💨 2 mph H 96%29.91 inHg

1:00 AM

Clear night

78° 💧 None 💨 2 mph H 96%29.91 inHg

2:00 AM

Clear night

77° 💧 None 💨 2 mph H 97%29.91 inHg

3:00 AM

Clear night

77° 💧 None 💨 2 mph H 97%29.91 inHg

4:00 AM

Clear night

77° 💧 None 💨 1 mph H 96%29.91 inHg

5:00 AM

Clear night

76° 💧 None 💨 2 mph H 96%29.91 inHg

6:00 AM

Clear night

76° 💧 None 💨 2 mph H 97%29.91 inHg

7:00 AM

Mostly sunny

76° 💧 None 💨 3 mph H 98%29.94 inHg

8:00 AM

Light rain

77° 💧 0.007 in 💨 4 mph H 97%29.97 inHg

9:00 AM

Light rain

79° 💧 0.005 in 💨 5 mph H 90%29.97 inHg

10:00 AM

Light rain

81° 💧 0.005 in 💨 5 mph H 83%29.97 inHg

11:00 AM

Light rain

84° 💧 0.008 in 💨 3 mph H 77%30.00 inHg

12:00 PM

Mostly sunny

86° 💧 0.002 in 💨 2 mph H 74%29.97 inHg

1:00 PM

Sunny

87° 💧 0.003 in 💨 4 mph H 70%29.94 inHg

2:00 PM

Light rain

88° 💧 0.006 in 💨 4 mph H 67%29.94 inHg

3:00 PM

Sunny

88° 💧 0.003 in 💨 3 mph H 65%29.91 inHg

4:00 PM

Mostly sunny

88° 💧 0.001 in 💨 4 mph H 64%29.88 inHg

5:00 PM

Light thunderstorms

82° 💧 0.023 in 💨 11 mph H 78%29.91 inHg

6:00 PM

Light rain

79° 💧 0.014 in 💨 5 mph H 88%29.91 inHg

7:00 PM

Mostly cloudy

78° 💧 0.001 in 💨 3 mph H 93%29.94 inHg

8:00 PM

Overcast night

78° 💧 None 💨 4 mph H 95%29.94 inHg

9:00 PM

Mostly cloudy night

78° 💧 None 💨 3 mph H 96%29.97 inHg

10:00 PM

Mostly cloudy night

77° 💧 None 💨 3 mph H 97%29.97 inHg

11:00 PM

Mostly cloudy night

77° 💧 None 💨 2 mph H 97%30.00 inHg

Sunday

12:00 AM

Overcast night

77° 💧 None 💨 2 mph H 97%29.97 inHg

1:00 AM

Partly cloudy night

77° 💧 None 💨 2 mph H 97%29.97 inHg

2:00 AM

Mostly clear night

77° 💧 None 💨 2 mph H 97%29.97 inHg

3:00 AM

Clear night

76° 💧 None 💨 2 mph H 97%29.97 inHg

4:00 AM

Clear night

76° 💧 None 💨 2 mph H 97%29.97 inHg

5:00 AM

Clear night

76° 💧 None 💨 2 mph H 98%30.00 inHg

6:00 AM

Clear night

76° 💧 None 💨 2 mph H 98%30.00 inHg

7:00 AM

Sunny

76° 💧 None 💨 1 mph H 98%30.00 inHg

10:00 AM

Light rain

80° 💧 None 💨 2 mph H 89%30.06 inHg

1:00 PM

Light rain

84° 💧 None 💨 1 mph H 79%30.03 inHg

4:00 PM

Mostly cloudy

87° 💧 None 💨 1 mph H 70%29.94 inHg

7:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 88%29.97 inHg

10:00 PM

Partly cloudy night

79° 💧 None 💨 1 mph H 94%30.03 inHg

Monday

1:00 AM

Clear night

78° 💧 None 💨 3 mph H 97%30.00 inHg

4:00 AM

Clear night

77° 💧 None 💨 2 mph H 97%30.03 inHg

7:00 AM

Sunny

77° 💧 None 💨 0 mph H 95%30.03 inHg

10:00 AM

Mostly sunny

83° 💧 None 💨 1 mph H 82%30.06 inHg

1:00 PM

Sunny

89° 💧 None 💨 3 mph H 69%30.03 inHg

4:00 PM

Light rain

88° 💧 None 💨 5 mph H 70%29.97 inHg

7:00 PM

Light rain

80° 💧 None 💨 5 mph H 93%30.00 inHg

10:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 95%30.03 inHg

Tuesday

1:00 AM

Clear night

77° 💧 None 💨 2 mph H 95%30.03 inHg

4:00 AM

Clear night

77° 💧 None 💨 1 mph H 94%30.06 inHg

7:00 AM

Sunny

77° 💧 None 💨 0 mph H 95%30.09 inHg

10:00 AM

Light rain

84° 💧 None 💨 2 mph H 82%30.12 inHg

1:00 PM

Mostly sunny

89° 💧 None 💨 2 mph H 66%30.12 inHg

4:00 PM

Mostly sunny

90° 💧 None 💨 3 mph H 63%30.03 inHg

7:00 PM

Partly cloudy

85° 💧 None 💨 4 mph H 78%30.03 inHg

10:00 PM

Mostly clear night

81° 💧 None 💨 2 mph H 91%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

79° 💧 None 💨 2 mph H 93%30.09 inHg

7:00 AM

Sunny

79° 💧 None 💨 1 mph H 92%30.09 inHg

1:00 PM

Sunny

78° 💧 None 💨 3 mph H 97%30.15 inHg

7:00 PM

Partly cloudy

90° 💧 None 💨 5 mph H 65%30.12 inHg

Thursday

1:00 AM

Overcast night

82° 💧 None 💨 2 mph H 85%30.09 inHg

7:00 AM

Partly cloudy

78° 💧 None 💨 2 mph H 94%30.12 inHg

1:00 PM

Sunny

76° 💧 None 💨 3 mph H 97%30.09 inHg

7:00 PM

Overcast

89° 💧 None 💨 4 mph H 66%30.09 inHg

Friday

1:00 AM

Partly cloudy night

83° 💧 None 💨 2 mph H 85%30.00 inHg

7:00 AM

Sunny

78° 💧 None 💨 2 mph H 96%30.03 inHg

1:00 PM

Light rain

77° 💧 None 💨 5 mph H 97%30.03 inHg

7:00 PM

Mostly sunny

89° 💧 None 💨 2 mph H 62%30.00 inHg

Saturday

1:00 AM

Overcast night

78° 💧 None 💨 4 mph H 96%29.97 inHg

7:00 AM

Mostly cloudy

76° 💧 None 💨 4 mph H 97%29.97 inHg

1:00 PM

Mostly cloudy

73° 💧 None 💨 6 mph H 91%29.94 inHg

7:00 PM

Overcast

84° 💧 None 💨 6 mph H 59%29.94 inHg

Sunday

1:00 AM

Mostly cloudy night

78° 💧 None 💨 5 mph H 69%29.88 inHg

7:00 AM

Mostly sunny

70° 💧 None 💨 4 mph H 74%29.94 inHg

1:00 PM

Overcast

67° 💧 None 💨 4 mph H 83%29.94 inHg

7:00 PM

Partly cloudy

82° 💧 None 💨 4 mph H 52%29.94 inHg

Monday

1:00 AM

Mostly cloudy night

80° 💧 None 💨 3 mph H 67%29.88 inHg

7:00 AM

Partly cloudy

75° 💧 None 💨 5 mph H 79%29.91 inHg

1:00 PM

Sunny

70° 💧 None 💨 5 mph H 97%29.94 inHg

7:00 PM

Mostly sunny

84° 💧 None 💨 5 mph H 60%29.94 inHg

Tuesday

1:00 AM

Mostly clear night

77° 💧 None 💨 4 mph H 79%29.91 inHg

7:00 AM

Sunny

71° 💧 None 💨 4 mph H 92%29.97 inHg

1:00 PM

Sunny

69° 💧 None 💨 5 mph H 93%30.00 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 8 mph H 58%30.03 inHg

Wednesday

1:00 AM

Mostly clear night

79° 💧 None 💨 6 mph H 64%29.97 inHg

7:00 AM

Mostly sunny

71° 💧 None 💨 3 mph H 83%30.00 inHg

1:00 PM

Mostly sunny

68° 💧 None 💨 5 mph H 89%30.00 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 8 mph H 55%30.00 inHg

Thursday

1:00 AM

Partly cloudy night

78° 💧 None 💨 5 mph H 66%29.91 inHg

7:00 AM

Sunny

71° 💧 None 💨 3 mph H 88%29.91 inHg

1:00 PM

Sunny

69° 💧 None 💨 4 mph H 90%29.91 inHg

7:00 PM

Mostly cloudy night

79° 💧 None 💨 4 mph H 69%29.91 inHg

Friday

1:00 AM

Clear night

74° 💧 None 💨 3 mph H 88%29.85 inHg

In Port Allen and, more broadly, across the state of Louisiana: The afternoon will be characterized by mostly cloudy skies with hot temperatures ranging from 75 to 91 degrees Fahrenheit. There is a high likelihood of rain, with an expected accumulation of around 0.17 inches, and the chance of rain reaching nearly 100%. Winds will remain light, blowing from the east at up to 8 mph, with gusts reaching 19 mph. It’s advisable to prepare for a potentially wet and humid afternoon, especially if planning outdoor activities. Temperatures will stay warm throughout the rest of the day, so staying hydrated and cautious of the rain is recommended. The weather pattern suggests that rain could be intermittent, with periods of dry weather in between.

15-Day Weather Outlook for Port Allen

TomorrowTomorrow

Thunderstorms 86°/74° 💧 None 💨 6 mph

Saturday, Sep 12Sat Sep 12

Light thunderstorms 88°/76° 💧 None 💨 11 mph

Sunday, Sep 13Sun Sep 13

Light rain 87°/76° 💧 0.076 in 💨 4 mph

Monday, Sep 14Mon Sep 14

Light rain 89°/77° 💧 0.062 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Light rain 90°/77° 💧 0.115 in 💨 5 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 85°/78° 💧 0.452 in 💨 4 mph

Thursday, Sep 17Thu Sep 17

Overcast 90°/76° 💧 0.040 in 💨 5 mph

Friday, Sep 18Fri Sep 18

Light rain 89°/77° 💧 0.031 in 💨 5 mph

Saturday, Sep 19Sat Sep 19

Overcast 89°/73° 💧 0.156 in 💨 6 mph

Sunday, Sep 20Sun Sep 20

Overcast 84°/67° 💧 0.001 in 💨 6 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 82°/70° 💧 None 💨 5 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 84°/69° 💧 0.015 in 💨 5 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 83°/68° 💧 0.008 in 💨 8 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 83°/69° 💧 0.006 in 💨 8 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 79°/74° 💧 0.112 in 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Port Allen

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Port Allen

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 4,0µg/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 4,1µg/m³

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

O₃ Ozone Fair 72,7µg/m³

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

NO₂ Nitrogen dioxide Good 2,9µg/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 Allen

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 8,7Very high 🙂Fair

Tomorrow UV 8,7Very high 🙂Fair

Saturday UV 9,0Very high 😊Good

Sunday UV 9,3Very high 😊Good

Monday UV 9,0Very high 😊Good

Tuesday UV 9,0Very high —Unavailable

Wednesday UV 9,0Very high —Unavailable

Hourly UV index today

2:00 PMUV 5,3 3:00 PMUV 1,7 4:00 PMUV 1,3 5:00 PMUV 1,0 6:00 PMUV 0,4 7:00 PMUV 0,0

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.

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 Allen

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PORT ALLEN, LOUISIANA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

47/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:38 PM–5:26 AM

☁ Cloud cover 68% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 80° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min54%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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 Allen were last refreshed today at 1:48 PM. The current forecast period extends through 12/09/2026 at 11:00 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.