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Weather in Grand Isle, LA
74°
Grand Isle, Friday, 23 October, 21:31
Clear. Feels like 74°. High 76°, low 69°.
Pressure30.15 inHg
Wind12 mph E 
Humidity56%
Visibility6.2 mi
Dew point58°
Fri, 23October
76°/69°
76°/69°Sat, 24October76°/71°
76°/71°Sun, 25October
73°/70°
73°/70°Mon, 26October
73°/69°
73°/69°Tue, 27October76°/71°
76°/71°Wed, 28October
75°/72°
75°/72°Thu, 29October
74°/71°
74°/71° | 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 74° | 73° | 71° | 69° | 71° | 72° | 74° | 74° | 74° | 74° | 74° | 74° |
| Feels like | 74° | 73° | 71° | 70° | 71° | 73° | 74° | 74° | 74° | 74° | 74° | 74° |
Pressure, inHg  | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 |
| Wind, mph | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 |
Humidity, %  | 65% | 65% | 65% | 65% | 65% | 65% | 65% | 65% | 65% | 65% | 65% | 56% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 74° | 75° | 75° | 75° | 75° | 75° | 76° | 76° | 74° | 72° | 71° | 72° |
| Feels like | 74° | 75° | 75° | 74° | 75° | 75° | 76° | 76° | 74° | 72° | 70° | 71° |
| Pressure, inHg | 30.15 | 30.15 | 30.15 | 30.18 | 30.21 | 30.24 | 30.24 | 30.21 | 30.18 | 30.21 | 30.24 | 30.24 |
| Wind, mph | 5.5 | 5.7 | 6 | 4.6 | 5.3 | 6.9 | 7.1 | 7.4 | 7.7 | 7.2 | 6.8 | 7.6 |
| Humidity, % | 55% | 58% | 55% | 56% | 60% | 60% | 58% | 58% | 61% | 55% | 57% | 56% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 73° | 73° | 72° | 70° | 70° | 72° | 72° | 72° | 72° | 71° | 72° | 73° |
| Feels like | 72° | 73° | 72° | 71° | 71° | 72° | 73° | 73° | 73° | 72° | 73° | 73° |
| Pressure, inHg | 30.24 | 30.24 | 30.21 | 30.24 | 30.27 | 30.27 | 30.27 | 30.21 | 30.21 | 30.21 | 30.21 | 30.24 |
| Wind, mph | 7.4 | 6.5 | 5 | 6.9 | 7.8 | 8.5 | 8.8 | 8 | 7.5 | 6.8 | 7.3 | 6.1 |
| Humidity, % | 56% | 57% | 70% | 81% | 81% | 79% | 77% | 77% | 74% | 76% | 71% | 69% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 73° | 72° | 71° | 70° | 69° | 72° | 73° | 73° | 73° | 72° | 72° | 73° |
| Feels like | 73° | 72° | 71° | 71° | 70° | 72° | 73° | 73° | 74° | 72° | 73° | 74° |
| Pressure, inHg | 30.21 | 30.21 | 30.18 | 30.18 | 30.21 | 30.24 | 30.21 | 30.18 | 30.15 | 30.15 | 30.15 | 30.15 |
| Wind, mph | 7.7 | 7.9 | 6.9 | 5.9 | 6.2 | 6.9 | 7.5 | 7.5 | 6.7 | 6.5 | 6.5 | 6.9 |
| Humidity, % | 62% | 63% | 66% | 74% | 83% | 78% | 73% | 73% | 71% | 78% | 76% | 77% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 73° | 72° | 71° | 75° | 75° | 75° | 75° | 75° | 75° | 73° | 72° | 73° |
| Feels like | 73° | 72° | 72° | 75° | 75° | 76° | 76° | 76° | 75° | 74° | 73° | 73° |
| Pressure, inHg | 30.12 | 30.12 | 30.12 | 30.12 | 30.15 | 30.18 | 30.15 | 30.15 | 30.12 | 30.12 | 30.15 | 30.15 |
| Wind, mph | 5.7 | 4.6 | 4.1 | 7 | 6.5 | 6.7 | 6.5 | 6.4 | 6.4 | 6.2 | 5.8 | 6.7 |
| Humidity, % | 75% | 80% | 84% | 68% | 68% | 67% | 66% | 67% | 69% | 76% | 78% | 66% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 75° | 73° | 73° | 72° | 73° | 73° | 74° | 74° | 74° | 73° | 73° | 73° |
| Feels like | 75° | 74° | 73° | 73° | 73° | 74° | 75° | 75° | 74° | 74° | 74° | 74° |
| Pressure, inHg | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 |
| Wind, mph | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 |
| Humidity, % | 76% | 76% | 76% | 76% | 76% | 76% | 76% | 76% | 76% | 76% | 76% | 76% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | | | | | | | | | | | | |
| Temperature | 74° | 71° | 71° | 71° | 72° | 73° | 74° | 74° | 73° | 72° | 72° | 72° |
| Feels like | 74° | 72° | 72° | 71° | 72° | 73° | 74° | 74° | 74° | 73° | 72° | 72° |
| Pressure, inHg | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 |
| Wind, mph | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Humidity, % | 74% | 74% | 74% | 74% | 74% | 74% | 74% | 74% | 74% | 74% | 74% | 74% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
Sun and moon today
Day length — 11 h 16 min
Sunrise — 07:06
Sunset — 18:22
Sunrise and sunset in local time
Waxing gibbous, 95%
Sunrise — —
Sunset — —
Grand Isle, LA climate by month
The annual average temperature in Grand Isle, LA is 71.3°. The warmest month is August (average high 84.4°), and the coldest is January (average low 54.6°). About 52.1 inches of precipitation fall per year, most of it in August (6.6 in). Figures are 60-year climate normals and records from 66 years of observations.
| Month | High | Low | Precipitation | Wet days | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 61° | 54.6° | 4.7 in | 10 | 75.7° (2022) | 25.3° (1985) |
| February | 62.3° | 56.5° | 3.7 in | 9 | 75.2° (2018) | 31.8° (2021) |
| March | 66.4° | 61.7° | 4.8 in | 8 | 78.6° (2020) | 33.6° (1980) |
| April | 71.7° | 68° | 3.1 in | 6 | 79.7° (2006) | 45° (1987) |
| May | 77.7° | 74.4° | 3.0 in | 8 | 85.8° (2012) | 56.7° (2013) |
| June | 82.5° | 79.2° | 4.0 in | 12 | 90.3° (2022) | 69.6° (1969) |
| July | 84.2° | 80.5° | 5.6 in | 17 | 91.6° (1980) | 73.9° (1984) |
| August | 84.4° | 80.6° | 6.6 in | 18 | 93.2° (2024) | 72.9° (2004) |
| September | 82.1° | 78.7° | 5.8 in | 14 | 89.8° (2019) | 61° (1967) |
| October | 76.1° | 72.2° | 3.3 in | 8 | 84.7° (2019) | 45.1° (1993) |
| November | 69° | 64° | 3.3 in | 8 | 79.7° (2024) | 39° (1970) |
| December | 64° | 58.1° | 4.3 in | 9 | 74.8° (2021) | 22.5° (1989) |
Weather history
Temperature extremes over 66 years
October 23 temperatures in Grand Isle, LA over 66 years
high: 79.7° (1985)low: 57.7° (1996)
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