Weather for Gustavus, Alaska
Current Weather
Five Day Weather Forecast
Mon
H: 58°F
L: 48°F
Tue
H: 58°F
L: 49°F
Wed
H: 54°F
L: 50°F
Thu
H: 55°F
L: 50°F
Fri
H: 51°F
L: 50°F
Air Quality
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 53 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 19 mins
Moon Transit: 7:51 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
12:44 AM - 3:14 AM7:21 PM - 9:51 PM
Minor Periods
2:10 PM - 3:40 PM12:15 AM - 1:45 AM
Action Rating: 3 out of 5
Heat Advisory issued June 21 at 8:39AM AKDT until June 21 at 8:00PM AKDT by NWS Juneau AK
Effective: Sun June 21, 2026, 8:39 AM
Expires: Sun June 21, 2026, 8:00 PM
* WHAT...Temperatures up to the low 80s. * WHERE...City of Hyder and Haines Borough and Klukwan. * WHEN...Until 8 PM AKDT this evening. * IMPACTS...Individuals not accustomed to these unusually hot temperatures for this region may experience heat related illnesses. * ADDITIONAL DETAILS...The hottest temperatures will be during the late afternoon hours and located in areas away from sea breeze influences.
Drink plenty of fluids, and check up on elderly and vulnerable relatives and neighbors. Take extra precautions when outside. Wear sunscreen and light loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Do not leave young children and pets in unattended vehicles under any circumstances as vehicle interiors can reach extreme temperatures in as little as 10 minutes. Locations next to the ocean or glaciers will be cooler with a stronger breeze in the afternoon.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.9 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 60.75 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 19 mins
Moon Transit: 7:51 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
12:44 AM - 3:14 AM7:21 PM - 9:51 PM
Minor Periods
2:10 PM - 3:40 PM12:15 AM - 1:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.21 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 54.88 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 19 mins
Moon Transit: 8:34 PM
Moonset: 12:47 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%
Best Times for Fishing or Hunting
Major Periods
1:26 AM - 3:56 AM8:04 PM - 10:34 PM
Minor Periods
3:35 PM - 5:05 PM12:17 AM - 1:47 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.28 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 49.17 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 19 mins
Moon Transit: 9:18 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%
Best Times for Fishing or Hunting
Major Periods
2:09 AM - 4:39 AM8:48 PM - 11:18 PM
Minor Periods
5:00 PM - 6:30 PM12:20 AM - 1:50 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 49.46 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 18 mins
Moon Transit: 10:05 PM
Moonset: 12:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%
Best Times for Fishing or Hunting
Major Periods
2:54 AM - 5:24 AM12:00 AM - 12:00 AM
Minor Periods
6:27 PM - 7:57 PM12:25 AM - 1:55 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.86 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 43.6 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:14 PM
Daylight: 18 hrs 17 mins
Moon Transit: 10:54 PM
Moonset: 1:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%
Best Times for Fishing or Hunting
Major Periods
3:41 AM - 6:11 AM12:00 AM - 12:00 AM
Minor Periods
7:52 PM - 9:22 PM12:34 AM - 2:04 AM
Action Rating: 4 out of 5