Galliano, LA Weather Forecast & Alerts

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

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Current Conditions — Galliano, LA

HOUMA TERREBONNE (KHUM)

Partly Cloudy

82.4 F
Humidity:70%
Wind Speed: 13.9 mph
Barometer:29.88 in
Dewpoint:71.6 F
Visibility:7.00 mi
Precip:--
Heat Index:87.3 F
Wind Chill:NA
Apr 26 2026, 04:50 PM CDT
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5-Day Forecast — Galliano, LA

Sunday

High 84 °F
Partly Sunny
Sunday
Night
Low 69 °F
Mostly Cloudy
Monday

High 84 °F
Partly Sunny
Monday
Night
Low 71 °F
Partly Cloudy
Tuesday

High 84 °F
Partly Sunny
Tuesday
Night
Low 71 °F
Mostly Cloudy
Wednesday

High 86 °F
Partly Sunny
Wednesday
Night
Low 68 °F
Mostly Cloudy
Thursday

High 84 °F
Isolated T-storm

Detailed Forecast — Galliano, LA

Sunday
Partly Sunny. High near 84°F. Wind 6 to 9 mph, with gusts as high as 13 mph.
Sunday Night
Mostly Cloudy. Low around 69°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Monday
Partly Sunny. High near 84°F. Wind 7 to 13 mph, with gusts as high as 18 mph.
Monday Night
Partly Cloudy. Low around 71°F. Wind 6 to 8 mph, with gusts as high as 15 mph.
Tuesday
Partly Sunny. High near 84°F. Wind 9 to 13 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly Cloudy. Low around 71°F. Wind around 6 mph, with gusts as high as 13 mph.
Wednesday
Partly Sunny. High near 86°F. Wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly Cloudy. Low around 68°F. Wind around 2 mph, with gusts as high as 8 mph.
Thursday
Isolated T-storm. High near 84°F. Wind 6 to 9 mph, with gusts as high as 13 mph.
Thursday Night
Isolated T-storm. Low around 66°F. Wind around 6 mph, with gusts as high as 13 mph.
Friday
Isolated T-storm. High near 82°F. Wind 15 to 16 mph, with gusts as high as 22 mph.
Friday Night
Chance of Thunderstorms. Low around 66°F. Wind around 14 mph, with gusts as high as 21 mph.
Saturday
Chance of Thunderstorms. High near 78°F. Wind 14 to 18 mph, with gusts as high as 25 mph.
LA Radar
Current Radar • LA
Day 1 Outlook • April 26, 2026

Observation History — Galliano, 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)
04:50 PM CDT 13.9 7.00 Partly Cloudy -- 82.4 71.6 70% NA 87.3 29.88 1011.9
03:50 PM CDT 13.9 G 23.0 7.00 Mostly Cloudy -- 82.4 71.6 70% NA 87.3 29.88 1011.9
02:50 PM CDT 15.0 G 23.0 7.00 Mostly Cloudy -- 82.4 71.6 70% NA 87.3 29.88 1011.9
01:47 PM CDT SE 8.1 7.00 Mostly Cloudy -- 82.4 71.6 70% NA 87.3 29.91 1012.9
12:47 PM CDT 9.2 7.00 Partly Cloudy -- 80.6 71.6 74% NA 84.6 29.91 1012.9
11:47 AM CDT S 4.7 7.00 Cloudy -- 80.6 71.6 74% NA 84.6 29.92 1013.2
10:47 AM CDT 4.7 7.00 Mostly Cloudy -- 80.6 71.6 74% NA 84.6 29.94 1013.6
09:47 AM CDT 4.7 7.00 Mostly Cloudy -- 78.8 73.4 84% NA 82.0 29.92 1013.2
08:47 AM CDT 6.9 7.00 Mostly Cloudy -- 78.8 73.4 84% NA 82.0 29.91 1012.9
07:47 AM CDT 0.0 7.00 Cloudy -- 75.2 73.4 94% NA 76.8 29.89 1012.2
06:47 AM CDT S 5.8 7.00 Mostly Cloudy -- 75.2 73.4 94% NA 76.8 29.87 1011.5
05:47 AM CDT 5.8 7.00 Cloudy -- 75.2 71.6 89% NA 76.6 29.85 1010.8
06:47 PM CDT 10.3 7.00 Partly Cloudy -- 78.8 69.8 74% NA 79.9 29.82 1009.8
05:47 PM CDT 11.4 7.00 Mostly Cloudy -- 80.6 69.8 70% NA 83.8 29.81 1009.5

Regional Weather Observation

HOUMA TERREBONNE (KHUM)

Partly Cloudy
82.4 F

GALLIANO (KGAO)

Partly Cloudy
80.1 F

NEW ORLEANS NAS (KNBG)

Mostly Clear
82.0 F

NEW ORLEANS/INTL (KMSY)

Mostly Clear
80.6 F

NEW ORLEANS/LAKE (KNEW)

Mostly Cloudy
82.4 F

GONZALES (KREG)

Cloudy
86.5 F
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