Harahan, LA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Harahan, LA.

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Current Conditions — Harahan, LA

NEW ORLEANS/INTL (KMSY)

Clear

84.2 F
Humidity:58%
Wind Speed: 15.0 mph
Barometer:29.98 in
Dewpoint:68.0 F
Visibility:10.00 mi
Precip:--
Heat Index:87.4 F
Wind Chill:NA
Apr 27 2026, 01:20 PM CDT
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5-Day Forecast — Harahan, LA

Monday

High 87 °F
Mostly Sunny
Monday
Night
Low 71 °F
Mostly Cloudy
Tuesday

High 86 °F
Partly Sunny
Tuesday
Night
Low 71 °F
Mostly Cloudy
Wednesday

High 89 °F
Isolated T-storm
Wednesday
Night
Low 71 °F
Chance of T-storms
Thursday

High 82 °F
Chance of T-storms
Thursday
Night
Low 68 °F
Slight Chance of Rain
Friday

High 80 °F
Chance of T-storms

Detailed Forecast — Harahan, LA

Monday
Mostly Sunny. High near 87°F. Wind 10 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly Cloudy. Low around 71°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Tuesday
Partly Sunny. High near 86°F. Wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly Cloudy. Low around 71°F. Wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday
Isolated T-storm. High near 89°F. Wind 6 to 10 mph, with gusts as high as 14 mph.
Wednesday Night
Chance of Thunderstorms. Low around 71°F. Wind around 6 mph, with gusts as high as 9 mph.
Thursday
Chance of Thunderstorms. High near 82°F. Wind around 9 mph, with gusts as high as 13 mph.
Thursday Night
Slight Chance of Rain. Low around 68°F. Wind around 10 mph, with gusts as high as 15 mph.
Friday
Chance of Thunderstorms. High near 80°F. Wind 15 to 17 mph, with gusts as high as 24 mph.
Friday Night
Thunderstorms Likely. Low around 62°F. Wind around 16 mph, with gusts as high as 24 mph.
Saturday
Chance of Thunderstorms. High near 73°F. Wind 12 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Chance of Scattered Thunderstorms. Low around 59°F. Wind around 12 mph, with gusts as high as 17 mph.
Sunday
Isolated T-storm. High near 75°F. Wind 7 to 10 mph, with gusts as high as 15 mph.
LA Radar
Current Radar • LA
Day 1 Outlook • April 27, 2026

Observation History — Harahan, LA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:20 PM CDT 15.0 10.00 Clear -- 84.2 68.0 58% NA 87.4 29.98 1015.2
01:10 PM CDT 12.7 10.00 Mostly Clear -- 84.2 69.8 62% NA 88.5 29.97 1014.9
01:00 PM CDT 15.0 G 24.2 10.00 Mostly Clear -- 84.2 69.8 62% NA 88.5 29.97 1014.9
12:35 PM CDT 13.8 G 20.7 10.00 Mostly Cloudy -- 84.2 69.8 62% NA 88.5 29.98 1015.2
12:30 PM CDT 13.8 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.98 1015.2
12:20 PM CDT S 16.1 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.98 1015.2
12:10 PM CDT 13.8 G 20.7 10.00 Mostly Clear -- 82.4 69.8 66% NA 86.2 29.99 1015.6
12:05 PM CDT 17.3 G 24.2 10.00 Clear -- 84.2 69.8 62% NA 88.5 29.99 1015.6
12:00 PM CDT 15.0 G 20.7 10.00 Clear -- 82.4 71.6 70% NA 87.3 29.99 1015.6
11:50 AM CDT S 12.7 G 18.4 10.00 Mostly Clear -- 84.2 71.6 66% NA 89.6 29.99 1015.6
11:45 AM CDT 15.0 10.00 Clear -- 82.4 71.6 70% NA 87.3 29.99 1015.6
11:35 AM CDT 16.1 G 21.9 10.00 Clear -- 82.4 71.6 70% NA 87.3 29.99 1015.6
11:25 AM CDT 16.1 10.00 Clear -- 82.4 71.6 70% NA 87.3 29.99 1015.6
11:20 AM CDT S 16.1 G 21.9 10.00 Clear -- 82.4 69.8 66% NA 86.2 29.98 1015.2
11:15 AM CDT S 13.8 10.00 Clear -- 82.4 71.6 70% NA 87.3 29.98 1015.2
11:10 AM CDT 13.8 10.00 Clear -- 82.4 71.6 70% NA 87.3 29.98 1015.2
11:05 AM CDT 15.0 G 20.7 10.00 Clear -- 82.4 71.6 70% NA 87.3 29.98 1015.2
11:00 AM CDT 12.7 G 18.4 10.00 Clear -- 82.4 69.8 66% NA 86.2 29.98 1015.2
10:45 AM CDT 13.8 G 21.9 10.00 Clear -- 82.4 69.8 66% NA 86.2 29.98 1015.2
10:40 AM CDT 17.3 10.00 Clear -- 82.4 69.8 66% NA 86.2 29.98 1015.2
10:35 AM CDT 16.1 G 24.2 10.00 Clear -- 82.4 69.8 66% NA 86.2 29.98 1015.2
10:25 AM CDT 13.8 10.00 Clear -- 82.4 69.8 66% NA 86.2 29.97 1014.9
10:20 AM CDT 13.8 G 20.7 10.00 Clear -- 82.4 69.8 66% NA 86.2 29.97 1014.9
10:15 AM CDT 16.1 10.00 Clear -- 80.6 69.8 70% NA 83.8 29.97 1014.9

Regional Weather Observation

NEW ORLEANS/INTL (KMSY)

Clear
84.2 F

NEW ORLEANS/LAKE (KNEW)

Mostly Clear
87.8 F

GONZALES (KREG)

Clear
88.7 F

HAMMOND (KHDC)

Partly Cloudy
84.7 F

NEW ORLEANS NAS (KNBG)

Partly Cloudy
84.9 F

HOUMA TERREBONNE (KHUM)

Clear
84.2 F
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