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Current weather in Port Heiden is broken clouds.

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Weather data for Port Heiden is updated regularly with the latest available observations and forecasts.

Now · 2:54 AM

Port Heiden Weather & Hourly Forecast

United States · Alaska · 99549

48°F

Mostly cloudy night

Feels like: 33°F

💧 Humidity 81% 🌡 Pressure 29.23 inHg 💨 Wind 24 mph 👁 Visibility 23.1 mi ☁ Clouds 80% ☀️ UV index 0.0 · Low 🌅 Sunrise 8:24 AM 🌇 Sunset 8:26 PM

Hourly Forecast for Port Heiden

Today

3:00 AM

Mostly cloudy night

48° 💧 0.000 in 💨 24 mph H 81%29.23 inHg

6:00 AM

Overcast night

49° 💧 0.034 in 💨 29 mph H 80%29.15 inHg

9:00 AM

Overcast

50° 💧 0.023 in 💨 25 mph H 86%29.09 inHg

12:00 PM

Light rain

50° 💧 0.110 in 💨 20 mph H 88%29.15 inHg

3:00 PM

Mostly sunny

51° 💧 0.010 in 💨 25 mph H 86%29.23 inHg

6:00 PM

Light rain

51° 💧 0.040 in 💨 21 mph H 87%29.32 inHg

9:00 PM

Overcast night

49° 💧 0.009 in 💨 9 mph H 83%29.29 inHg

Tomorrow

12:00 AM

Fog at night

50° 💧 0.032 in 💨 20 mph H 86%29.23 inHg

3:00 AM

Light rain

51° 💧 0.053 in 💨 23 mph H 87%29.15 inHg

6:00 AM

Mostly cloudy night

49° 💧 0.024 in 💨 21 mph H 81%29.18 inHg

9:00 AM

Mostly cloudy

49° 💧 0.011 in 💨 18 mph H 80%29.18 inHg

12:00 PM

Light rain

51° 💧 0.063 in 💨 22 mph H 74%29.21 inHg

3:00 PM

Light rain

50° 💧 0.106 in 💨 26 mph H 81%29.21 inHg

6:00 PM

Light rain

49° 💧 0.138 in 💨 31 mph H 87%29.18 inHg

9:00 PM

Light rain

49° 💧 0.171 in 💨 28 mph H 89%29.21 inHg

Sunday

12:00 AM

Light rain

48° 💧 0.138 in 💨 21 mph H 91%29.21 inHg

Today

3:00 AM

Mostly cloudy night

48° 💧 None 💨 24 mph H 81%29.23 inHg

4:00 AM

Overcast night

49° 💧 0.000 in 💨 27 mph H 81%29.23 inHg

5:00 AM

Mostly cloudy night

49° 💧 None 💨 28 mph H 80%29.21 inHg

6:00 AM

Overcast night

49° 💧 0.001 in 💨 29 mph H 80%29.15 inHg

7:00 AM

Light rain

49° 💧 0.021 in 💨 30 mph H 84%29.15 inHg

8:00 AM

Light rain

49° 💧 0.012 in 💨 28 mph H 85%29.12 inHg

9:00 AM

Overcast

50° 💧 0.003 in 💨 25 mph H 86%29.09 inHg

10:00 AM

Partly cloudy

50° 💧 0.002 in 💨 21 mph H 86%29.09 inHg

11:00 AM

Light rain

51° 💧 0.018 in 💨 22 mph H 85%29.12 inHg

12:00 PM

Light rain

50° 💧 0.051 in 💨 20 mph H 88%29.15 inHg

1:00 PM

Light rain

52° 💧 0.013 in 💨 15 mph H 85%29.18 inHg

2:00 PM

Light rain

51° 💧 0.045 in 💨 25 mph H 90%29.21 inHg

3:00 PM

Mostly sunny

51° 💧 0.003 in 💨 25 mph H 86%29.23 inHg

4:00 PM

Mostly cloudy

52° 💧 0.003 in 💨 21 mph H 83%29.26 inHg

5:00 PM

Mostly cloudy

51° 💧 0.003 in 💨 21 mph H 85%29.29 inHg

6:00 PM

Light rain

51° 💧 0.019 in 💨 21 mph H 87%29.32 inHg

7:00 PM

Light rain

50° 💧 0.018 in 💨 15 mph H 86%29.32 inHg

8:00 PM

Mostly cloudy

50° 💧 0.003 in 💨 10 mph H 83%29.32 inHg

9:00 PM

Overcast night

49° 💧 0.003 in 💨 9 mph H 83%29.29 inHg

10:00 PM

Mostly cloudy night

51° 💧 None 💨 14 mph H 76%29.26 inHg

11:00 PM

Light rain

51° 💧 0.006 in 💨 19 mph H 79%29.26 inHg

Tomorrow

12:00 AM

Fog at night

50° 💧 0.004 in 💨 20 mph H 86%29.23 inHg

1:00 AM

Light rain

51° 💧 0.008 in 💨 20 mph H 86%29.21 inHg

2:00 AM

Light rain

51° 💧 0.020 in 💨 23 mph H 86%29.18 inHg

3:00 AM

Light rain

51° 💧 0.025 in 💨 23 mph H 87%29.15 inHg

4:00 AM

Light rain

51° 💧 0.017 in 💨 21 mph H 84%29.18 inHg

5:00 AM

Light rain

49° 💧 0.010 in 💨 24 mph H 84%29.18 inHg

6:00 AM

Mostly cloudy night

49° 💧 0.001 in 💨 21 mph H 81%29.18 inHg

7:00 AM

Light rain

48° 💧 0.018 in 💨 14 mph H 82%29.18 inHg

8:00 AM

Light rain

47° 💧 0.004 in 💨 16 mph H 82%29.18 inHg

9:00 AM

Mostly cloudy

49° 💧 0.003 in 💨 18 mph H 80%29.18 inHg

10:00 AM

Light rain

50° 💧 0.006 in 💨 22 mph H 78%29.21 inHg

11:00 AM

Partly cloudy

50° 💧 0.003 in 💨 21 mph H 75%29.21 inHg

12:00 PM

Light rain

51° 💧 0.024 in 💨 22 mph H 74%29.21 inHg

1:00 PM

Light rain

50° 💧 0.019 in 💨 20 mph H 77%29.21 inHg

2:00 PM

Light rain

51° 💧 0.020 in 💨 22 mph H 74%29.21 inHg

3:00 PM

Light rain

50° 💧 0.039 in 💨 26 mph H 81%29.21 inHg

4:00 PM

Light rain

49° 💧 0.032 in 💨 28 mph H 83%29.21 inHg

5:00 PM

Light rain

49° 💧 0.035 in 💨 30 mph H 85%29.21 inHg

6:00 PM

Light rain

49° 💧 0.056 in 💨 31 mph H 87%29.18 inHg

7:00 PM

Light rain

49° 💧 0.039 in 💨 28 mph H 88%29.18 inHg

8:00 PM

Light rain

49° 💧 0.043 in 💨 29 mph H 89%29.18 inHg

9:00 PM

Light rain

49° 💧 0.043 in 💨 28 mph H 89%29.21 inHg

10:00 PM

Light rain

49° 💧 0.061 in 💨 26 mph H 90%29.21 inHg

11:00 PM

Light rain

48° 💧 0.067 in 💨 23 mph H 91%29.21 inHg

Sunday

12:00 AM

Light rain

48° 💧 0.056 in 💨 21 mph H 91%29.21 inHg

1:00 AM

Light rain

48° 💧 0.048 in 💨 21 mph H 89%29.21 inHg

2:00 AM

Light rain

48° 💧 0.033 in 💨 21 mph H 89%29.21 inHg

3:00 AM

Light rain

48° 💧 0.035 in 💨 22 mph H 89%29.21 inHg

4:00 AM

Light rain

48° 💧 0.047 in 💨 22 mph H 88%29.23 inHg

5:00 AM

Light rain

48° 💧 0.040 in 💨 22 mph H 84%29.23 inHg

6:00 AM

Light rain

48° 💧 0.021 in 💨 22 mph H 86%29.23 inHg

7:00 AM

Light rain

48° 💧 0.017 in 💨 22 mph H 89%29.23 inHg

8:00 AM

Light rain

48° 💧 0.049 in 💨 23 mph H 89%29.23 inHg

9:00 AM

Light rain

48° 💧 0.065 in 💨 21 mph H 87%29.23 inHg

10:00 AM

Light rain

48° 💧 0.025 in 💨 22 mph H 89%29.26 inHg

11:00 AM

Light rain

49° 💧 0.047 in 💨 22 mph H 83%29.26 inHg

12:00 PM

Light rain

48° 💧 0.039 in 💨 24 mph H 88%29.26 inHg

1:00 PM

Light rain

49° 💧 0.091 in 💨 25 mph H 86%29.29 inHg

2:00 PM

Light rain

49° 💧 0.045 in 💨 25 mph H 86%29.29 inHg

3:00 PM

Moderate rain

49° 💧 0.116 in 💨 25 mph H 84%29.32 inHg

4:00 PM

Moderate rain

49° 💧 0.119 in 💨 25 mph H 88%29.32 inHg

In Port Heiden and, more broadly, across the state of Alaska: Tonight will be mostly cloudy with temperatures remaining cool, ranging from 51 to 53 degrees Fahrenheit. Light northwest winds will persist, generally around 5 mph, with occasional gusts up to 11 mph. No significant rainfall is expected during the evening hours, so dry conditions will continue through the night. Temperatures are expected to stay steady, providing a relatively mild night despite the cloud cover. The breeze will remain gentle, ensuring a calm and quiet evening for outdoor activities or rest.

15-Day Weather Outlook for Port Heiden

TomorrowTomorrow

Mostly cloudy 51°/47° 💧 None 💨 31 mph

Sunday, Sep 27Sun Sep 27

Light rain 49°/48° 💧 None 💨 25 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Port Heiden

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Port Heiden

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 0,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 1,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 74,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Port Heiden

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 2,4Low 🙂Fair

Tomorrow UV 1,5Low 🙂Fair

Sunday UV 2,3Low 🙂Fair

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,0 9:00 AMUV 0,0 10:00 AMUV 0,3 11:00 AMUV 0,9 12:00 PMUV 1,1 1:00 PMUV 1,1 2:00 PMUV 1,4 3:00 PMUV 2,1 4:00 PMUV 2,4 5:00 PMUV 1,9 6:00 PMUV 1,2

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Port Heiden

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PORT HEIDEN, ALASKA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

35/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 80% Real hourly forecast for the best viewing hour.

☾ Moonlight 98% Full Moon · Moon about 26° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 38° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Port Heiden were last refreshed today at 2:54 AM. The current forecast period extends through 27/09/2026 at 12:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.