Grand Isle Seaplane Base Weather Forecast 15 Days, Weather in KGNI Today
Current weather conditions and 15 day weather forecast for Grand Isle Seaplane Base, Louisiana, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Grand Isle Seaplane Base
| 28 September 2026 Monday 27 ° C / 80.6°F  Overcast |
Feels Like : 28.8 ° C / 83.8°F Humidity : % 69 Pressure : 1013 mb Wind Speed : 14.8 kmph / 9.2 miles from WSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Grand Isle Seaplane Base, LA, USA
Weather Forecast for next 15 Days for Grand Isle Seaplane Base including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Grand Isle Seaplane Base, Louisiana state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 28 September 2026 Monday |  Sunny |
25.6 ° C (78.2°F) |
28.2 ° C (82.8°F) |
27 ° C (80.7°F) |
% 69 | 12% | 8 | Sunrise:06:51 AM Sunset: 06:49 PM |
Moonrise:07:49 PM Moonset: 08:42 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
27.2 ° C (80.9°F) |
28.1 ° C (82.6°F) |
27.6 ° C (81.7°F) |
% 68 | 6% | 8.1 | Sunrise:06:52 AM Sunset: 06:48 PM |
Moonrise:08:27 PM Moonset: 09:42 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday |  Patchy rain nearby |
27.3 ° C (81.2°F) |
27.9 ° C (82.3°F) |
27.7 ° C (81.9°F) |
% 75 | 72% | 8.6 | Sunrise:06:52 AM Sunset: 06:47 PM |
Moonrise:09:10 PM Moonset: 10:46 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Patchy rain nearby |
27.2 ° C (81°F) |
28 ° C (82.4°F) |
27.6 ° C (81.8°F) |
% 76 | 74% | 8.4 | Sunrise:06:53 AM Sunset: 06:46 PM |
Moonrise:10:02 PM Moonset: 11:50 AM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday |  Light rain shower |
27 ° C (80.6°F) |
28.1 ° C (82.6°F) |
27.5 ° C (81.6°F) |
% 76 | 76% | 6 | Sunrise:06:53 AM Sunset: 06:44 PM |
Moonrise:11:01 PM Moonset: 12:53 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Patchy rain nearby |
26.8 ° C (80.3°F) |
27.9 ° C (82.3°F) |
27.5 ° C (81.5°F) |
% 77 | 20% | 7 | Sunrise:06:54 AM Sunset: 06:43 PM |
Moonrise:Does not rise today Moonset: 01:52 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Patchy rain nearby |
26.9 ° C (80.5°F) |
29 ° C (84.1°F) |
27.9 ° C (82.3°F) |
% 80 | 83% | 6 | Sunrise:06:54 AM Sunset: 06:42 PM |
Moonrise:12:06 AM Moonset: 02:44 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Light rain shower |
21.1 ° C (70°F) |
27.4 ° C (81.3°F) |
24.2 ° C (75.6°F) |
% 87 | 88% | 5 | Sunrise:06:55 AM Sunset: 06:41 PM |
Moonrise:01:15 AM Moonset: 03:29 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Light rain shower |
20.2 ° C (68.3°F) |
23.3 ° C (73.9°F) |
21.5 ° C (70.8°F) |
% 91 | 91% | 5 | Sunrise:06:55 AM Sunset: 06:40 PM |
Moonrise:02:25 AM Moonset: 04:09 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Light rain shower |
23.6 ° C (74.5°F) |
25.9 ° C (78.6°F) |
24.6 ° C (76.3°F) |
% 89 | 91% | 5 | Sunrise:06:56 AM Sunset: 06:38 PM |
Moonrise:03:33 AM Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday |  Moderate or heavy rain shower |
23.6 ° C (74.5°F) |
26.2 ° C (79.2°F) |
24.5 ° C (76.1°F) |
% 90 | 92% | 6 | Sunrise:06:57 AM Sunset: 06:37 PM |
Moonrise:04:40 AM Moonset: 05:18 PM Moon Phase ( Waning Crescent ) |
|
| 09 October 2026 Friday | Light rain shower |
18 ° C (64.4°F) |
23.4 ° C (74.1°F) |
21 ° C (69.9°F) |
% 67 | 69% | 6 | Sunrise:06:57 AM Sunset: 06:36 PM |
Moonrise:05:46 AM Moonset: 05:51 PM Moon Phase ( New Moon ) |
|
| 10 October 2026 Saturday | Overcast |
14.4 ° C (58°F) |
19.4 ° C (67°F) |
17.1 ° C (62.8°F) |
% 54 | 12% | 4 | Sunrise:06:58 AM Sunset: 06:35 PM |
Moonrise:06:51 AM Moonset: 06:25 PM Moon Phase ( New Moon ) |
|
| 11 October 2026 Sunday | Sunny |
17.8 ° C (64°F) |
25.5 ° C (77.9°F) |
20.6 ° C (69.1°F) |
% 51 | 57% | 6 | Sunrise:06:58 AM Sunset: 06:34 PM |
Moonrise:07:57 AM Moonset: 07:02 PM Moon Phase ( New Moon ) |
|
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