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Weather in Grand Isle, LA
83°
Grand Isle, Sunday, 9 August, 09:56
Light rain. Feels like 90°. High 86°, low 83°.
Pressure30.09 inHg
Wind7.2 mph E 
Humidity75%
Visibility6.2 mi
Dew point74°
Sun, 09August86°/83°
86°/83°Mon, 10August86°/84°
86°/84°Tue, 11August87°/84°
87°/84°Wed, 12August87°/84°
87°/84°Thu, 13August87°/84°
87°/84°Fri, 14August
87°/84°
87°/84°Sat, 15August86°/82°
86°/82° | 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 | 85° | 84° | 83° | 83° | 83° | 83° | 84° | 85° | 85° | 85° | 85° | 85° |
| Feels like | 85° | 92° | 91° | 89° | 90° | 90° | 91° | 93° | 93° | 93° | 93° | 92° |
Pressure, inHg  | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.06 | 30.03 | 30.03 | 30.06 | 30.06 |
| Wind, mph | 5 | 5 | 5 | 5 | 5 | 3.2 | 4.1 | 4.8 | 4.9 | 4.6 | 4.1 | 4.3 |
Humidity, %  | 70% | 70% | 70% | 70% | 70% | 75% | 73% | 69% | 69% | 70% | 71% | 72% |
| Precipitation | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.04 in | 0.02 in | 0 in | 0.01 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 |
| 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 | 84° | 84° | 84° | 84° | 85° | 85° | 86° | 86° | 86° | 86° | 85° | 85° |
| Feels like | 92° | 92° | 92° | 91° | 93° | 93° | 94° | 94° | 94° | 94° | 93° | 93° |
| Pressure, inHg | 30.03 | 30.03 | 30.03 | 30.06 | 30.09 | 30.12 | 30.12 | 30.12 | 30.09 | 30.09 | 30.09 | 30.09 |
| Wind, mph | 4.3 | 4 | 4 | 3.1 | 3.3 | 4.4 | 4.2 | 4.5 | 4.5 | 4.5 | 4.6 | 4.9 |
| Humidity, % | 73% | 74% | 75% | 73% | 72% | 70% | 69% | 67% | 67% | 67% | 71% | 73% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0.01 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 | 84° | 84° | 84° | 84° | 85° | 86° | 87° | 86° | 86° | 86° | 85° | 85° |
| Feels like | 94° | 93° | 92° | 92° | 93° | 96° | 96° | 95° | 95° | 95° | 93° | 93° |
| Pressure, inHg | 30.09 | 30.06 | 30.06 | 30.06 | 30.09 | 30.12 | 30.12 | 30.09 | 30.06 | 30.06 | 30.03 | 30.06 |
| Wind, mph | 5.5 | 4.4 | 3.4 | 2.8 | 2.5 | 3.9 | 5.1 | 5.4 | 5 | 4.7 | 4.6 | 5.2 |
| Humidity, % | 76% | 75% | 73% | 74% | 72% | 71% | 69% | 68% | 68% | 70% | 72% | 72% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0.01 in | 0.01 in | 0 in | 0.01 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 | 84° | 84° | 84° | 84° | 85° | 85° | 86° | 86° | 87° | 86° | 84° | 84° |
| Feels like | 93° | 93° | 92° | 92° | 94° | 94° | 96° | 95° | 96° | 94° | 92° | 91° |
| Pressure, inHg | 30.03 | 30.00 | 30.00 | 30.03 | 30.06 | 30.06 | 30.06 | 30.03 | 30.00 | 30.00 | 29.97 | 30.00 |
| Wind, mph | 5.5 | 5.6 | 5.1 | 4.2 | 3.7 | 4.7 | 5.2 | 5.6 | 5.9 | 5.4 | 4.4 | 4.8 |
| Humidity, % | 74% | 74% | 74% | 73% | 72% | 73% | 70% | 68% | 68% | 70% | 73% | 72% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0.02 in | 0.01 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 | 84° | 84° | 84° | 84° | 85° | 86° | 87° | 87° | 86° | 86° | 85° | 85° |
| Feels like | 90° | 90° | 90° | 91° | 93° | 95° | 96° | 96° | 96° | 94° | 94° | 94° |
| Pressure, inHg | 30.00 | 30.00 | 29.97 | 30.00 | 30.03 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 |
| Wind, mph | 4.2 | 4.3 | 6 | 6.3 | 4.2 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 |
| Humidity, % | 69% | 69% | 71% | 73% | 72% | 67% | 67% | 67% | 67% | 67% | 67% | 67% |
| 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 | — | — | — | — | — | — | — |
| 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 | 86° | 84° | 84° | 84° | 85° | 85° | 86° | 86° | 86° | 86° | 85° | 85° |
| Feels like | 86° | 91° | 91° | 90° | 91° | 92° | 93° | 94° | 94° | 94° | 93° | 92° |
| 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 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 |
| Humidity, % | 64% | 64% | 64% | 64% | 64% | 64% | 64% | 64% | 64% | 64% | 64% | 64% |
| 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 | 84° | 84° | 83° | 82° | 83° | 83° | 84° | 84° | 85° | 85° | 85° | 85° |
| Feels like | 84° | 89° | 88° | 88° | 88° | 89° | 89° | 90° | 90° | 91° | 91° | 90° |
| Pressure, inHg | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 |
| Wind, mph | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 |
| Humidity, % | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% |
| 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 — 13 h 21 min
Sunrise — 06:25
Sunset — 19:46
Sunrise and sunset in local time
Waning crescent, 15%
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
August 9 temperatures in Grand Isle, LA over 66 years
high: 90.5° (2024)low: 76.8° (1975)
Weather in Albany, NY80°Weather in Annapolis, MD85°Weather in Atlanta, GA87°Weather in Augusta, ME81°Weather in Austin, TX84°Weather in Baton Rouge, LA87°Weather in Bismarck, ND66°Weather in Boise, ID65°Weather in Boston, MA85°Weather in Carson City, NV76°Weather in Charleston, WV81°Weather in Charlotte Amalie, VI84°Weather in Cheyenne, WY76°Weather in Columbia, SC85°Weather in Columbus, OH79°Weather in Concord, NH82°Weather in Denver, CO84°Weather in Des Moines, IA79°Weather in Dover, DE87°Weather in Frankfort, KY82°Weather in Harrisburg, PA84°Weather in Hartford, CT84°Weather in Helena, MT62°Weather in Honolulu, HI75°Weather in Indianapolis, IN80°Weather in Jackson, MS88°Weather in Jefferson City, MO82°Weather in Juneau, AK47°Weather in Lansing, MI73°Weather in Lincoln, NE86°Weather in Little Rock, AR82°Weather in Madison, WI69°Weather in Montgomery, AL84°Weather in Montpelier, VT77°Weather in Nashville, TN78°Weather in Oklahoma City, OK81°Weather in Olympia, WA56°Weather in Phoenix, AZ92°Weather in Pierre, SD71°Weather in Providence, RI85°Weather in Raleigh, NC85°Weather in Richmond, VA87°Weather in Sacramento, CA67°Weather in Salem, OR61°Weather in Salt Lake City, UT84°Weather in San Juan, PR87°Weather in Santa Fe, NM74°Weather in Springfield, IL81°Weather in St. Paul, MN71°Weather in Tallahassee, FL82°Weather in Topeka, KS81°Weather in Trenton, NJ85°Weather in Washington, DC87°
80°Weather in Annapolis, MD85°Weather in Atlanta, GA87°Weather in Augusta, ME81°Weather in Austin, TX84°Weather in Baton Rouge, LA87°Weather in Bismarck, ND66°Weather in Boise, ID65°Weather in Boston, MA85°Weather in Carson City, NV76°Weather in Charleston, WV81°Weather in Charlotte Amalie, VI84°Weather in Cheyenne, WY76°Weather in Columbia, SC85°Weather in Columbus, OH79°Weather in Concord, NH82°Weather in Denver, CO84°Weather in Des Moines, IA79°Weather in Dover, DE87°Weather in Frankfort, KY82°Weather in Harrisburg, PA84°Weather in Hartford, CT84°Weather in Helena, MT62°Weather in Honolulu, HI75°Weather in Indianapolis, IN80°Weather in Jackson, MS88°Weather in Jefferson City, MO82°Weather in Juneau, AK47°Weather in Lansing, MI73°Weather in Lincoln, NE86°Weather in Little Rock, AR82°Weather in Madison, WI69°Weather in Montgomery, AL84°Weather in Montpelier, VT77°Weather in Nashville, TN78°Weather in Oklahoma City, OK81°Weather in Olympia, WA56°Weather in Phoenix, AZ92°Weather in Pierre, SD71°Weather in Providence, RI85°Weather in Raleigh, NC85°Weather in Richmond, VA87°Weather in Sacramento, CA67°Weather in Salem, OR61°Weather in Salt Lake City, UT84°Weather in San Juan, PR87°Weather in Santa Fe, NM74°Weather in Springfield, IL81°Weather in St. Paul, MN71°Weather in Tallahassee, FL82°Weather in Topeka, KS81°Weather in Trenton, NJ85°Weather in Washington, DC87°Weather in Zona, LA85°Weather in Ada, LA77°Weather in Alsen, LA87°Weather in Anandale, LA78°Weather in Andrew, LA83°Weather in Ansley, LA79°Weather in Bayou Corne, LA85°Weather in Bayou Sorrel, LA84°Weather in Benson, LA80°Weather in Bolinger, LA83°Weather in Bolivar, LA87°Weather in Brusly Landing, LA88°Weather in Buhler, LA79°Weather in Chase, LA81°Weather in Couchwood, LA82°Weather in Crown Point, LA85°Weather in Diamond, LA87°Weather in Donner, LA86°Weather in Dunn, LA86°Weather in Easton, LA85°
85°Weather in Ada, LA77°Weather in Alsen, LA87°Weather in Anandale, LA78°Weather in Andrew, LA83°Weather in Ansley, LA79°Weather in Bayou Corne, LA85°Weather in Bayou Sorrel, LA84°Weather in Benson, LA80°Weather in Bolinger, LA83°Weather in Bolivar, LA87°Weather in Brusly Landing, LA88°Weather in Buhler, LA79°Weather in Chase, LA81°Weather in Couchwood, LA82°Weather in Crown Point, LA85°Weather in Diamond, LA87°Weather in Donner, LA86°Weather in Dunn, LA86°Weather in Easton, LA85°