Gustavus Airport Weather Forecast 15 Days, Weather in GST Today
Current weather conditions and 15 day weather forecast for Gustavus Airport, Alaska, 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 Gustavus Airport
| 22 May 2026 Friday 10.1 ° C / 50.2°F  Light drizzle |
Feels Like : 8.6 ° C / 47.4°F Humidity : % 66 Pressure : 1017 mb Wind Speed : 11.2 kmph / 6.9 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0.41 mm Cloud (%) : 0 |
15 day weather forecast for Gustavus Airport, AK, USA
Weather Forecast for next 15 Days for Gustavus Airport 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 Gustavus Airport, Alaska 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 May 2026 Friday |  Moderate rain |
2 ° C (35.6°F) |
6.2 ° C (43.1°F) |
5.1 ° C (41.1°F) |
% 92 | 98% | 1.2 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 23 May 2026 Saturday |  Patchy rain nearby |
1.9 ° C (35.3°F) |
7.6 ° C (45.6°F) |
5.3 ° C (41.5°F) |
% 83 | 89% | 3.2 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
2.5 ° C (36.6°F) |
9.1 ° C (48.4°F) |
6.3 ° C (43.4°F) |
% 72 | 86% | 4 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 25 May 2026 Monday |  Partly Cloudy |
5.8 ° C (42.4°F) |
12.2 ° C (54°F) |
9.1 ° C (48.3°F) |
% 63 | 0% | 4.5 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
5.5 ° C (41.8°F) |
9.7 ° C (49.5°F) |
8 ° C (46.4°F) |
% 74 | 83% | 4.4 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
5.2 ° C (41.4°F) |
8.6 ° C (47.5°F) |
6.7 ° C (44°F) |
% 80 | 79% | 0 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
4.8 ° C (40.6°F) |
8.2 ° C (46.8°F) |
6.3 ° C (43.3°F) |
% 84 | 82% | 2 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 29 May 2026 Friday | Patchy rain nearby |
3.9 ° C (39°F) |
10.5 ° C (50.9°F) |
7.7 ° C (45.9°F) |
% 72 | 78% | 2 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 30 May 2026 Saturday | Partly Cloudy |
5.3 ° C (41.6°F) |
11.6 ° C (52.9°F) |
8.6 ° C (47.4°F) |
% 69 | 0% | 3 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 31 May 2026 Sunday | Patchy rain nearby |
5 ° C (41.1°F) |
10.5 ° C (50.8°F) |
7.9 ° C (46.3°F) |
% 78 | 0% | 2 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 01 June 2026 Monday |  Sunny |
4.9 ° C (40.7°F) |
11.4 ° C (52.5°F) |
8.6 ° C (47.4°F) |
% 73 | 0% | 3 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 02 June 2026 Tuesday | Sunny |
6.3 ° C (43.3°F) |
14.8 ° C (58.6°F) |
10.9 ° C (51.7°F) |
% 62 | 0% | 4 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 03 June 2026 Wednesday | Sunny |
8.7 ° C (47.7°F) |
16.1 ° C (61°F) |
13.1 ° C (55.6°F) |
% 61 | 0% | 4 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 04 June 2026 Thursday | Sunny |
10.9 ° C (51.5°F) |
17.2 ° C (63°F) |
14.1 ° C (57.4°F) |
% 68 | 0% | 4 | Sunrise:04:21 AM Sunset: 09:37 PM |
Moonrise:10:36 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
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