Grand Isle, LA Current Weather Conditions

Current weather observations and 72-hour history for Grand Isle, LA.  •  View 5-Day Forecast ›

Current Conditions — Grand Isle, LA

GALLIANO (KGAO)

Clear

94.3 F

Humidity:55%
Wind Speed: 8.1 mph
Barometer:29.79 in
Dewpoint:75.4 F
Visibility:10.00 mi
Precip:--
Heat Index:106.7 F
Wind Chill:NA
Jul 21 2026, 03:15 PM CDT
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Hourly Observation History — Grand Isle, 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)
03:15 PM CDT 8.1 10.00 Clear -- 94.3 75.4 55% NA 106.7 29.79 1008.8
02:55 PM CDT 6.9 10.00 Clear -- 94.5 74.5 53% NA 105.8 29.79 1008.8
02:35 PM CDT NW 9.2 10.00 Partly Cloudy -- 94.1 75.4 55% NA 106.5 29.81 1009.2
02:15 PM CDT 5.8 10.00 Mostly Cloudy -- 93.4 75.2 56% NA 105.3 29.81 1009.5
01:55 PM CDT 8.1 10.00 Mostly Cloudy -- 93.0 75.4 57% NA 105.1 29.82 1009.8
01:35 PM CDT 8.1 10.00 Mostly Cloudy -- 92.8 75.6 57% NA 105.1 29.83 1010.2
01:15 PM CDT NW 10.3 10.00 Partly Cloudy -- 93.4 75.4 56% NA 105.4 29.83 1010.2
12:55 PM CDT 11.4 G 18.3 10.00 Partly Cloudy -- 93.9 74.3 53% NA 104.9 29.84 1010.5
12:35 PM CDT 12.8 G 17.2 10.00 Partly Cloudy -- 92.5 74.5 56% NA 103.3 29.84 1010.5
12:15 PM CDT 8.1 10.00 Mostly Cloudy -- 91.2 74.1 57% NA 101.1 29.85 1010.8
11:55 AM CDT 11.4 10.00 Mostly Cloudy -- 90.9 73.0 56% NA 99.5 29.85 1010.8
11:35 AM CDT 9.2 10.00 Partly Cloudy -- 91.6 73.2 55% NA 100.6 29.86 1011.2
11:15 AM CDT 10.3 10.00 Partly Cloudy -- 90.5 75.6 62% NA 101.8 29.86 1011.2
10:55 AM CDT 9.2 10.00 Partly Cloudy -- 90.0 75.4 62% NA 100.9 29.87 1011.5
10:35 AM CDT 9.2 10.00 Partly Cloudy -- 89.2 76.5 66% NA 101.3 29.86 1011.2
10:15 AM CDT 9.2 10.00 Mostly Cloudy -- 88.0 77.4 71% NA 100.8 29.86 1011.2
09:55 AM CDT 11.4 10.00 Mostly Cloudy -- 85.8 77.9 77% NA 97.9 29.86 1011.2
09:35 AM CDT 8.1 G 16.1 10.00 Partly Cloudy -- 86.7 77.2 73% NA 98.6 29.86 1011.2
09:15 AM CDT 11.4 10.00 Mostly Cloudy -- 87.6 77.2 71% NA 99.9 29.87 1011.5
08:55 AM CDT 10.3 10.00 Mostly Cloudy -- 86.7 77.0 73% NA 98.2 29.88 1011.9
08:35 AM CDT 8.1 10.00 Clear -- 86.0 76.3 73% NA 96.3 29.87 1011.5
08:15 AM CDT 10.00 Clear -- NULL % NA NA M
07:55 AM CDT 6.9 10.00 Clear -- 84.0 75.6 76% NA 92.5 29.86 1011.2
07:35 AM CDT 8.1 10.00 Clear -- 83.1 75.0 77% NA 90.5 29.86 1011.2

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