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Current weather in Harahan is clear sky.

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This page shows hourly weather forecast for Harahan, including temperature, wind, precipitation, humidity and cloud cover.

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

Now · 12:05 PM

Harahan Weather & Hourly Forecast

United States · Louisiana · 70123

87°F

Sunny

Feels like: 95°F

💧 Humidity 68% 🌡 Pressure 29.97 inHg 💨 Wind 5 mph 👁 Visibility 14.1 mi ☁ Clouds 5% ☀️ UV index 8.0 · Very high 🌅 Sunrise 6:48 AM 🌇 Sunset 6:58 PM

Hourly Forecast for Harahan

Today

1:00 PM

Sunny

89° 💧 0.002 in 💨 5 mph H 60%29.94 inHg

4:00 PM

Sunny

90° 💧 0.020 in 💨 5 mph H 55%29.91 inHg

7:00 PM

Clear night

84° 💧 None 💨 3 mph H 70%29.91 inHg

10:00 PM

Clear night

80° 💧 None 💨 3 mph H 86%29.94 inHg

Tomorrow

1:00 AM

Clear night

79° 💧 None 💨 0 mph H 89%29.97 inHg

4:00 AM

Mostly clear night

78° 💧 None 💨 1 mph H 96%29.97 inHg

7:00 AM

Sunny

78° 💧 None 💨 2 mph H 89%30.00 inHg

10:00 AM

Sunny

87° 💧 0.003 in 💨 5 mph H 70%30.03 inHg

1:00 PM

Sunny

91° 💧 0.022 in 💨 8 mph H 53%30.00 inHg

4:00 PM

Sunny

91° 💧 0.002 in 💨 6 mph H 52%29.94 inHg

7:00 PM

Clear night

86° 💧 None 💨 3 mph H 68%29.97 inHg

10:00 PM

Clear night

82° 💧 None 💨 3 mph H 83%30.00 inHg

Thursday

1:00 AM

Clear night

81° 💧 None 💨 0 mph H 85%30.00 inHg

4:00 AM

Clear night

79° 💧 None 💨 4 mph H 90%30.00 inHg

7:00 AM

Sunny

80° 💧 None 💨 6 mph H 79%30.00 inHg

10:00 AM

Partly cloudy

84° 💧 None 💨 7 mph H 65%30.03 inHg

Today

1:00 PM

Sunny

89° 💧 0.001 in 💨 5 mph H 60%29.94 inHg

2:00 PM

Sunny

90° 💧 0.001 in 💨 5 mph H 56%29.94 inHg

3:00 PM

Sunny

90° 💧 None 💨 4 mph H 55%29.91 inHg

4:00 PM

Sunny

90° 💧 0.000 in 💨 5 mph H 55%29.91 inHg

5:00 PM

Light thunderstorms

88° 💧 0.019 in 💨 6 mph H 60%29.88 inHg

6:00 PM

Sunny

87° 💧 0.000 in 💨 4 mph H 63%29.88 inHg

7:00 PM

Clear night

84° 💧 None 💨 3 mph H 70%29.91 inHg

8:00 PM

Clear night

83° 💧 None 💨 3 mph H 78%29.91 inHg

9:00 PM

Clear night

81° 💧 None 💨 4 mph H 85%29.94 inHg

10:00 PM

Clear night

80° 💧 None 💨 3 mph H 86%29.94 inHg

11:00 PM

Clear night

80° 💧 None 💨 3 mph H 86%29.97 inHg

Tomorrow

12:00 AM

Clear night

80° 💧 None 💨 1 mph H 87%29.97 inHg

1:00 AM

Clear night

79° 💧 None 💨 0 mph H 89%29.97 inHg

2:00 AM

Clear night

79° 💧 None 💨 0 mph H 91%29.97 inHg

3:00 AM

Clear night

78° 💧 None 💨 1 mph H 94%29.97 inHg

4:00 AM

Mostly clear night

78° 💧 None 💨 1 mph H 96%29.97 inHg

5:00 AM

Mostly clear night

78° 💧 None 💨 1 mph H 95%29.97 inHg

6:00 AM

Mostly clear night

78° 💧 None 💨 2 mph H 93%29.97 inHg

7:00 AM

Sunny

78° 💧 None 💨 2 mph H 89%30.00 inHg

8:00 AM

Sunny

82° 💧 None 💨 3 mph H 83%30.00 inHg

9:00 AM

Sunny

85° 💧 None 💨 4 mph H 75%30.03 inHg

10:00 AM

Sunny

87° 💧 0.001 in 💨 5 mph H 70%30.03 inHg

11:00 AM

Sunny

88° 💧 0.001 in 💨 6 mph H 64%30.03 inHg

12:00 PM

Sunny

89° 💧 0.001 in 💨 7 mph H 59%30.03 inHg

1:00 PM

Sunny

91° 💧 0.001 in 💨 8 mph H 53%30.00 inHg

2:00 PM

Light rain

91° 💧 0.016 in 💨 7 mph H 52%30.00 inHg

3:00 PM

Light rain

91° 💧 0.005 in 💨 7 mph H 52%29.97 inHg

4:00 PM

Sunny

91° 💧 None 💨 6 mph H 52%29.94 inHg

5:00 PM

Sunny

91° 💧 0.002 in 💨 5 mph H 54%29.94 inHg

6:00 PM

Sunny

89° 💧 None 💨 3 mph H 58%29.97 inHg

7:00 PM

Clear night

86° 💧 None 💨 3 mph H 68%29.97 inHg

8:00 PM

Clear night

85° 💧 None 💨 1 mph H 72%29.97 inHg

9:00 PM

Clear night

84° 💧 None 💨 3 mph H 78%30.00 inHg

10:00 PM

Clear night

82° 💧 None 💨 3 mph H 83%30.00 inHg

11:00 PM

Clear night

82° 💧 None 💨 2 mph H 84%30.00 inHg

Thursday

12:00 AM

Clear night

82° 💧 None 💨 1 mph H 84%30.00 inHg

1:00 AM

Clear night

81° 💧 None 💨 0 mph H 85%30.00 inHg

2:00 AM

Clear night

80° 💧 None 💨 1 mph H 89%30.00 inHg

3:00 AM

Clear night

79° 💧 None 💨 4 mph H 90%30.00 inHg

4:00 AM

Clear night

79° 💧 None 💨 4 mph H 90%30.00 inHg

5:00 AM

Clear night

79° 💧 None 💨 3 mph H 89%30.00 inHg

6:00 AM

Clear night

80° 💧 None 💨 6 mph H 81%30.00 inHg

7:00 AM

Sunny

80° 💧 None 💨 6 mph H 79%30.00 inHg

8:00 AM

Mostly sunny

81° 💧 None 💨 7 mph H 74%30.03 inHg

9:00 AM

Mostly sunny

82° 💧 None 💨 7 mph H 70%30.03 inHg

10:00 AM

Partly cloudy

84° 💧 None 💨 7 mph H 65%30.03 inHg

11:00 AM

Partly cloudy

86° 💧 None 💨 6 mph H 61%30.03 inHg

12:00 PM

Mostly cloudy

88° 💧 None 💨 6 mph H 58%30.03 inHg

1:00 PM

Mostly cloudy

90° 💧 None 💨 6 mph H 54%30.00 inHg

2:00 PM

Overcast

91° 💧 None 💨 7 mph H 49%30.00 inHg

3:00 PM

Overcast

91° 💧 None 💨 8 mph H 46%29.97 inHg

4:00 PM

Overcast

91° 💧 None 💨 8 mph H 45%29.94 inHg

5:00 PM

Overcast

90° 💧 None 💨 6 mph H 45%29.94 inHg

6:00 PM

Mostly cloudy

88° 💧 None 💨 4 mph H 54%29.94 inHg

7:00 PM

Mostly cloudy night

85° 💧 None 💨 3 mph H 63%29.97 inHg

Friday

4:00 AM

Light rain

80° 💧 None 💨 9 mph H 85%30.00 inHg

7:00 AM

Mostly sunny

79° 💧 None 💨 8 mph H 82%30.03 inHg

10:00 AM

Mostly cloudy

83° 💧 None 💨 8 mph H 76%30.06 inHg

1:00 PM

Partly cloudy

86° 💧 None 💨 10 mph H 57%30.03 inHg

4:00 PM

Mostly sunny

88° 💧 None 💨 6 mph H 49%29.97 inHg

7:00 PM

Mostly clear night

83° 💧 None 💨 8 mph H 61%30.00 inHg

10:00 PM

Mostly clear night

80° 💧 None 💨 6 mph H 72%30.03 inHg

Saturday

1:00 AM

Partly cloudy night

78° 💧 None 💨 3 mph H 79%30.03 inHg

4:00 AM

Mostly cloudy night

77° 💧 None 💨 1 mph H 81%30.00 inHg

7:00 AM

Overcast

77° 💧 None 💨 5 mph H 81%30.03 inHg

10:00 AM

Light rain

82° 💧 None 💨 7 mph H 69%30.06 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 7 mph H 54%30.06 inHg

4:00 PM

Partly cloudy

88° 💧 None 💨 4 mph H 44%29.97 inHg

7:00 PM

Partly cloudy night

84° 💧 None 💨 7 mph H 56%30.00 inHg

10:00 PM

Overcast night

80° 💧 None 💨 7 mph H 71%30.03 inHg

Sunday

1:00 AM

Partly cloudy night

78° 💧 None 💨 5 mph H 76%30.03 inHg

4:00 AM

Overcast night

77° 💧 None 💨 3 mph H 81%30.00 inHg

7:00 AM

Mostly cloudy

76° 💧 None 💨 1 mph H 85%30.00 inHg

10:00 AM

Overcast

82° 💧 None 💨 2 mph H 61%30.03 inHg

1:00 PM

Partly cloudy

85° 💧 None 💨 3 mph H 57%30.00 inHg

4:00 PM

Sunny

87° 💧 None 💨 4 mph H 43%29.91 inHg

7:00 PM

Clear night

85° 💧 None 💨 2 mph H 51%29.91 inHg

10:00 PM

Mostly clear night

80° 💧 None 💨 8 mph H 68%29.91 inHg

Monday

1:00 AM

Mostly clear night

77° 💧 None 💨 7 mph H 77%29.91 inHg

7:00 AM

Sunny

79° 💧 None 💨 8 mph H 83%29.88 inHg

1:00 PM

Sunny

78° 💧 None 💨 7 mph H 88%29.91 inHg

7:00 PM

Partly cloudy night

87° 💧 None 💨 8 mph H 64%29.88 inHg

Tuesday

1:00 AM

Mostly clear night

82° 💧 None 💨 5 mph H 78%29.83 inHg

7:00 AM

Mostly sunny

77° 💧 None 💨 5 mph H 88%29.85 inHg

1:00 PM

Overcast

75° 💧 None 💨 2 mph H 97%29.88 inHg

7:00 PM

Clear night

85° 💧 None 💨 5 mph H 68%29.88 inHg

Wednesday

1:00 AM

Mostly clear night

81° 💧 None 💨 5 mph H 77%29.83 inHg

7:00 AM

Overcast

79° 💧 None 💨 4 mph H 89%29.85 inHg

1:00 PM

Overcast

78° 💧 None 💨 5 mph H 87%29.85 inHg

7:00 PM

Light rain

89° 💧 None 💨 9 mph H 50%29.88 inHg

Thursday

1:00 AM

Overcast night

83° 💧 None 💨 9 mph H 70%29.83 inHg

7:00 AM

Overcast

76° 💧 None 💨 8 mph H 86%29.88 inHg

1:00 PM

Overcast

77° 💧 None 💨 8 mph H 84%29.88 inHg

7:00 PM

Light rain

78° 💧 None 💨 9 mph H 87%29.91 inHg

Friday

1:00 AM

Moderate rain

75° 💧 None 💨 8 mph H 96%29.88 inHg

7:00 AM

Moderate rain

75° 💧 None 💨 9 mph H 96%29.88 inHg

1:00 PM

Moderate rain

74° 💧 None 💨 7 mph H 97%29.88 inHg

7:00 PM

Light rain

77° 💧 None 💨 4 mph H 93%29.91 inHg

Saturday

1:00 AM

Light rain

75° 💧 None 💨 6 mph H 96%29.88 inHg

7:00 AM

Moderate rain

75° 💧 None 💨 7 mph H 96%29.91 inHg

1:00 PM

Light rain

74° 💧 None 💨 3 mph H 97%29.91 inHg

7:00 PM

Light rain

78° 💧 None 💨 8 mph H 88%29.94 inHg

Sunday

1:00 AM

Light rain

77° 💧 None 💨 7 mph H 92%29.91 inHg

7:00 AM

Light rain

76° 💧 None 💨 6 mph H 95%29.91 inHg

1:00 PM

Light rain

76° 💧 None 💨 7 mph H 96%29.91 inHg

7:00 PM

Moderate rain

80° 💧 None 💨 6 mph H 88%29.97 inHg

Monday

1:00 AM

Mostly cloudy night

76° 💧 None 💨 3 mph H 96%29.91 inHg

7:00 AM

Mostly sunny

77° 💧 None 💨 2 mph H 92%29.94 inHg

1:00 PM

Light rain

76° 💧 None 💨 7 mph H 95%29.94 inHg

7:00 PM

Moderate rain

84° 💧 None 💨 3 mph H 75%29.97 inHg

Tuesday

1:00 AM

Mostly cloudy night

80° 💧 None 💨 3 mph H 87%29.91 inHg

7:00 AM

Sunny

77° 💧 None 💨 3 mph H 92%29.97 inHg

1:00 PM

Mostly sunny

77° 💧 None 💨 1 mph H 91%29.97 inHg

7:00 PM

Light rain

84° 💧 None 💨 3 mph H 73%29.97 inHg

Wednesday

1:00 AM

Moderate rain

77° 💧 None 💨 4 mph H 93%29.91 inHg

In Harahan 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 Harahan

TomorrowTomorrow

Mostly sunny 91°/78° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 91°/79° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Light rain 88°/79° 💧 0.064 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Light rain 88°/77° 💧 0.019 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 87°/76° 💧 None 💨 8 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 87°/77° 💧 0.043 in 💨 8 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 85°/75° 💧 0.046 in 💨 5 mph

Wednesday, Sep 30Wed Sep 30

Light rain 89°/78° 💧 0.014 in 💨 9 mph

Thursday, Oct 1Thu Oct 1

Light rain 83°/76° 💧 0.197 in 💨 9 mph

Friday, Oct 2Fri Oct 2

Moderate rain 77°/74° 💧 2.107 in 💨 9 mph

Saturday, Oct 3Sat Oct 3

Moderate rain 78°/74° 💧 1.322 in 💨 8 mph

Sunday, Oct 4Sun Oct 4

Moderate rain 80°/76° 💧 0.684 in 💨 7 mph

Monday, Oct 5Mon Oct 5

Moderate rain 84°/76° 💧 0.261 in 💨 7 mph

Tuesday, Oct 6Tue Oct 6

Light rain 84°/77° 💧 0.174 in 💨 3 mph

Wednesday, Oct 7Wed Oct 7

Moderate rain 77°/77° 💧 0.338 in 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Harahan

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Harahan

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 1:00 PM

PM2.5 Fine particles Fair 10,5µg/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 11,7µg/m³

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

O₃ Ozone Moderate 115,9µg/m³

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

NO₂ Nitrogen dioxide Good 0,6µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Harahan

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 8,8Very high 😐Moderate

Tomorrow UV 8,9Very high 😐Moderate

Thursday UV 8,6Very high 😐Moderate

Friday UV 7,3High 😐Moderate

Saturday UV 6,0High 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 7,0High —Unavailable

Hourly UV index today

1:00 PMUV 8,8 2:00 PMUV 8,1 3:00 PMUV 6,1 4:00 PMUV 3,7 5:00 PMUV 1,6 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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Harahan

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARAHAN, LOUISIANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

90/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:17 PM–5:30 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon about 9° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 66° 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 min46%

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 Harahan were last refreshed today at 12:05 PM. The current forecast period extends through 24/09/2026 at 10:00 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.