Glacier Bay National Park Weather Forecast
Glacier Bay National Park weather: 40°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Glacier Bay National Park is a national park in Alaska. Glacier Bay National Park is a US national park known for tidewater glaciers and whale watching.
Right now it is 40°F (5°C) in Glacier Bay National Park with overcast. It feels like 35°F. Today runs from 37°F to 42°F. Chance of precipitation is 82%. Sightseeing conditions score 3.5/10 - poor - consider another day.
The best time to visit Glacier Bay National Park is June, July and August. The climate is polar. January, February and December tend to be the least comfortable months. August is the warmest month with average highs near 48°F, while December is the coldest with lows near 18°F.
In plain terms. Today is slightly cooler than average for August. The forecast high of 42°F is 5.4°F below the 48°F typical for this month. The best window to be outside is roughly 7 PM to 10 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Glacier Bay National Park today at 8.8/10. Visibility is down to 0,3 mi - use low beams and leave extra following distance. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Glacier Bay National Park
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Glacier Bay National Park right now
Source: Open-Meteo. Updated 7:50 AM, Aug 23 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Glacier Bay National Park
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | 🌧️ Heavy drizzle | 42° / 37° | 82% · 0,2 in | 9 mph | 6 |
| Sun, Aug 23 | 🌧️ Heavy drizzle | 41° / 37° | 100% · 0,3 in | 6 mph | 2 |
| Mon, Aug 24 | 🌦️ Light drizzle | 45° / 41° | 41% · 0,0 in | 7 mph | 7 |
| Tue, Aug 25 | ⛅ Partly cloudy | 42° / 37° | 16% | 7 mph | 6 |
| Wed, Aug 26 | 🌦️ Light drizzle | 42° / 39° | 14% · 0,1 in | 5 mph | 7 |
| Thu, Aug 27 | 🌤️ Mainly clear | 43° / 41° | 20% | 6 mph | 5 |
| Fri, Aug 28 | 🌧️ Heavy drizzle | 43° / 39° | 28% · 0,0 in | 7 mph | 6 |
| Sat, Aug 29 | 🌦️ Light showers | 40° / 39° | 70% · 1,5 in | 11 mph | 5 |
| Sun, Aug 30 | 🌦️ Light showers | 39° / 39° | 76% · 0,8 in | 5 mph | 1 |
| Mon, Aug 31 | 🌦️ Light showers | 40° / 39° | 53% · 1,7 in | 4 mph | 1 |
| Tue, Sep 1 | 🌦️ Light showers | 40° / 39° | 43% · 0,4 in | 5 mph | 1 |
| Wed, Sep 2 | 🌦️ Drizzle | 40° / 36° | 42% · 0,2 in | 5 mph | 5 |
| Thu, Sep 3 | ☁️ Overcast | 40° / 35° | 56% | 5 mph | 4 |
| Fri, Sep 4 | 🌦️ Light drizzle | 40° / 37° | 44% · 0,1 in | 4 mph | 3 |
| Sat, Sep 5 | 🌧️ Showers | 40° / 38° | 54% · 1,4 in | 4 mph | 5 |
| Sun, Sep 6 | 🌦️ Light showers | 41° / 38° | 55% · 0,3 in | 6 mph | 5 |
Climate in Glacier Bay National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 27° | 20° | 25,0 in | ★☆☆☆☆ |
| February | 25° | 19° | 13,6 in | ★☆☆☆☆ |
| March | 24° | 18° | 16,0 in | ★☆☆☆☆ |
| April | 31° | 26° | 15,4 in | ★☆☆☆☆ |
| May | 35° | 30° | 16,7 in | ★☆☆☆☆ |
| June | 43° | 38° | 7,6 in | ★★☆☆☆ |
| July | 44° | 40° | 6,3 in | ★★☆☆☆ |
| August | 48° | 41° | 4,9 in | ★★★☆☆ |
| September | 41° | 36° | 27,2 in | ★☆☆☆☆ |
| October | 35° | 29° | 28,7 in | ★☆☆☆☆ |
| November | 29° | 23° | 25,9 in | ★☆☆☆☆ |
| December | 24° | 18° | 33,2 in | ★☆☆☆☆ |
Climate type: Polar. Source: Open-Meteo archive (ERA5).
Weather map for Glacier Bay National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Glacier Bay National Park
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Glacier Bay National Park
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Explore Glacier Bay National Park
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Frequently asked questions
Where is Glacier Bay National Park?
Glacier Bay National Park is a national park in Alaska. Its coordinates are 58.6658, -136.9002. It lies in North America.
What is the weather like in Glacier Bay National Park right now?
It is currently 40°F (5°C) with overcast. Humidity is 80% and wind is 4 mph.
When is the best time to visit Glacier Bay National Park?
June, July and August offer the most comfortable conditions in Glacier Bay National Park, which has a polar climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Glacier Bay National Park in?
Glacier Bay National Park observes America/Juneau (UTC-08:00). The local time is 7:50 AM.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 7:50 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
