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Current weather in Port Heiden is overcast clouds.

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

Now · 8:55 PM

Port Heiden Weather & Hourly Forecast

United States · Alaska · 99549

50°F

Overcast night

Feels like: 43°F

💧 Humidity 83% 🌡 Pressure 30.68 inHg 💨 Wind 11 mph 👁 Visibility 20.5 mi ☁ Clouds 97% ☀️ UV index 0.2 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Port Heiden

Today

9:00 PM

Overcast

50° 💧 0.001 in 💨 11 mph H 83%30.68 inHg

Tomorrow

12:00 AM

Mostly cloudy night

50° 💧 0.002 in 💨 11 mph H 87%30.71 inHg

3:00 AM

Overcast night

50° 💧 0.001 in 💨 9 mph H 85%30.68 inHg

6:00 AM

Overcast night

49° 💧 0.000 in 💨 6 mph H 87%30.68 inHg

9:00 AM

Overcast

49° 💧 0.000 in 💨 5 mph H 87%30.68 inHg

12:00 PM

Mostly cloudy

50° 💧 None 💨 3 mph H 82%30.65 inHg

3:00 PM

Sunny

51° 💧 None 💨 4 mph H 82%30.62 inHg

6:00 PM

Sunny

51° 💧 None 💨 5 mph H 85%30.59 inHg

9:00 PM

Sunny

49° 💧 None 💨 2 mph H 91%30.56 inHg

Friday

12:00 AM

Clear night

48° 💧 None 💨 3 mph H 90%30.53 inHg

3:00 AM

Clear night

48° 💧 None 💨 5 mph H 88%30.50 inHg

6:00 AM

Mostly clear night

48° 💧 0.000 in 💨 4 mph H 87%30.47 inHg

9:00 AM

Overcast

51° 💧 None 💨 4 mph H 82%30.45 inHg

12:00 PM

Mist

57° 💧 None 💨 7 mph H 76%30.45 inHg

3:00 PM

Partly cloudy

60° 💧 None 💨 8 mph H 73%30.42 inHg

6:00 PM

Mostly cloudy

59° 💧 0.001 in 💨 4 mph H 80%30.36 inHg

Today

9:00 PM

Overcast

50° 💧 0.000 in 💨 11 mph H 83%30.68 inHg

10:00 PM

Overcast night

50° 💧 0.001 in 💨 12 mph H 85%30.68 inHg

11:00 PM

Overcast night

50° 💧 0.001 in 💨 11 mph H 86%30.71 inHg

Tomorrow

12:00 AM

Mostly cloudy night

50° 💧 0.001 in 💨 11 mph H 87%30.71 inHg

1:00 AM

Mostly cloudy night

50° 💧 0.000 in 💨 10 mph H 87%30.68 inHg

2:00 AM

Overcast night

50° 💧 0.000 in 💨 9 mph H 85%30.68 inHg

3:00 AM

Overcast night

50° 💧 0.000 in 💨 9 mph H 85%30.68 inHg

4:00 AM

Overcast night

50° 💧 0.000 in 💨 8 mph H 85%30.71 inHg

5:00 AM

Overcast night

49° 💧 0.000 in 💨 7 mph H 86%30.68 inHg

6:00 AM

Overcast night

49° 💧 None 💨 6 mph H 87%30.68 inHg

7:00 AM

Overcast night

49° 💧 0.000 in 💨 4 mph H 88%30.65 inHg

8:00 AM

Overcast

49° 💧 None 💨 5 mph H 88%30.65 inHg

9:00 AM

Overcast

49° 💧 None 💨 5 mph H 87%30.68 inHg

10:00 AM

Mostly cloudy

49° 💧 0.000 in 💨 2 mph H 86%30.65 inHg

11:00 AM

Mostly cloudy

50° 💧 None 💨 3 mph H 85%30.65 inHg

12:00 PM

Mostly cloudy

50° 💧 None 💨 3 mph H 82%30.65 inHg

1:00 PM

Mostly sunny

50° 💧 None 💨 3 mph H 85%30.65 inHg

2:00 PM

Sunny

51° 💧 None 💨 2 mph H 84%30.62 inHg

3:00 PM

Sunny

51° 💧 None 💨 4 mph H 82%30.62 inHg

4:00 PM

Sunny

51° 💧 None 💨 4 mph H 81%30.62 inHg

5:00 PM

Sunny

52° 💧 None 💨 4 mph H 82%30.59 inHg

6:00 PM

Sunny

51° 💧 None 💨 5 mph H 85%30.59 inHg

7:00 PM

Sunny

51° 💧 None 💨 5 mph H 88%30.59 inHg

8:00 PM

Sunny

50° 💧 None 💨 4 mph H 89%30.56 inHg

9:00 PM

Sunny

49° 💧 None 💨 2 mph H 91%30.56 inHg

10:00 PM

Mostly clear night

48° 💧 None 💨 1 mph H 93%30.56 inHg

11:00 PM

Mostly clear night

48° 💧 None 💨 2 mph H 93%30.56 inHg

Friday

12:00 AM

Clear night

48° 💧 None 💨 3 mph H 90%30.53 inHg

1:00 AM

Mostly clear night

48° 💧 None 💨 3 mph H 85%30.53 inHg

2:00 AM

Clear night

48° 💧 None 💨 4 mph H 86%30.53 inHg

3:00 AM

Clear night

48° 💧 None 💨 5 mph H 88%30.50 inHg

4:00 AM

Mostly clear night

48° 💧 None 💨 5 mph H 91%30.50 inHg

5:00 AM

Mostly clear night

48° 💧 None 💨 5 mph H 90%30.50 inHg

6:00 AM

Mostly clear night

48° 💧 None 💨 4 mph H 87%30.47 inHg

7:00 AM

Overcast night

48° 💧 0.000 in 💨 4 mph H 86%30.47 inHg

8:00 AM

Overcast

49° 💧 None 💨 4 mph H 84%30.47 inHg

9:00 AM

Overcast

51° 💧 None 💨 4 mph H 82%30.45 inHg

10:00 AM

Mist

52° 💧 None 💨 5 mph H 78%30.45 inHg

11:00 AM

Mist

54° 💧 None 💨 7 mph H 77%30.45 inHg

12:00 PM

Mist

57° 💧 None 💨 7 mph H 76%30.45 inHg

1:00 PM

Overcast

59° 💧 None 💨 7 mph H 75%30.42 inHg

2:00 PM

Overcast

59° 💧 None 💨 7 mph H 75%30.42 inHg

3:00 PM

Partly cloudy

60° 💧 None 💨 8 mph H 73%30.42 inHg

4:00 PM

Partly cloudy

61° 💧 None 💨 6 mph H 73%30.39 inHg

5:00 PM

Overcast

61° 💧 None 💨 5 mph H 74%30.39 inHg

6:00 PM

Mostly cloudy

59° 💧 None 💨 4 mph H 80%30.36 inHg

7:00 PM

Overcast

59° 💧 None 💨 5 mph H 83%30.36 inHg

8:00 PM

Mist

56° 💧 0.001 in 💨 6 mph H 93%30.36 inHg

9:00 PM

Overcast

56° 💧 0.000 in 💨 4 mph H 94%30.36 inHg

10:00 PM

Overcast night

56° 💧 None 💨 5 mph H 94%30.36 inHg

11:00 PM

Overcast night

56° 💧 0.000 in 💨 7 mph H 94%30.36 inHg

Saturday

12:00 AM

Light rain

56° 💧 0.006 in 💨 6 mph H 95%30.36 inHg

1:00 AM

Light rain

56° 💧 0.007 in 💨 7 mph H 96%30.36 inHg

2:00 AM

Light rain

55° 💧 0.012 in 💨 7 mph H 98%30.36 inHg

3:00 AM

Light rain

54° 💧 0.021 in 💨 7 mph H 98%30.36 inHg

4:00 AM

Light rain

54° 💧 0.007 in 💨 7 mph H 98%30.36 inHg

1:00 PM

Overcast

56° 💧 None 💨 4 mph H 95%30.33 inHg

4:00 PM

Overcast

58° 💧 None 💨 2 mph H 94%30.30 inHg

7:00 PM

Overcast

58° 💧 None 💨 5 mph H 96%30.24 inHg

10:00 PM

Light rain

56° 💧 None 💨 2 mph H 96%30.21 inHg

Sunday

1:00 AM

Overcast night

57° 💧 None 💨 7 mph H 95%30.21 inHg

4:00 AM

Light rain

56° 💧 None 💨 4 mph H 92%30.18 inHg

7:00 AM

Overcast night

55° 💧 None 💨 3 mph H 90%30.15 inHg

10:00 AM

Overcast

57° 💧 None 💨 2 mph H 89%30.15 inHg

1:00 PM

Mostly cloudy

62° 💧 None 💨 4 mph H 79%30.15 inHg

4:00 PM

Mostly cloudy

63° 💧 None 💨 9 mph H 75%30.12 inHg

7:00 PM

Mostly cloudy

63° 💧 None 💨 6 mph H 73%30.12 inHg

10:00 PM

Overcast night

59° 💧 None 💨 5 mph H 84%30.12 inHg

Monday

1:00 AM

Overcast night

58° 💧 None 💨 10 mph H 80%30.09 inHg

4:00 AM

Overcast night

57° 💧 None 💨 17 mph H 82%30.06 inHg

7:00 AM

Overcast night

56° 💧 None 💨 22 mph H 82%30.03 inHg

10:00 AM

Mostly cloudy

55° 💧 None 💨 21 mph H 85%30.03 inHg

1:00 PM

Mostly cloudy

59° 💧 None 💨 24 mph H 76%30.00 inHg

4:00 PM

Mostly cloudy

60° 💧 None 💨 23 mph H 81%29.97 inHg

7:00 PM

Overcast

58° 💧 None 💨 24 mph H 84%29.94 inHg

10:00 PM

Overcast night

57° 💧 None 💨 26 mph H 86%29.88 inHg

Tuesday

1:00 AM

Light rain

57° 💧 None 💨 32 mph H 87%29.83 inHg

4:00 AM

Light rain

57° 💧 None 💨 33 mph H 86%29.77 inHg

7:00 AM

Overcast night

58° 💧 None 💨 25 mph H 87%29.77 inHg

10:00 AM

Overcast

56° 💧 None 💨 13 mph H 92%29.88 inHg

4:00 PM

Light rain

57° 💧 None 💨 32 mph H 84%29.74 inHg

10:00 PM

Overcast night

54° 💧 None 💨 16 mph H 79%29.88 inHg

Wednesday

4:00 AM

Partly cloudy night

51° 💧 None 💨 19 mph H 74%29.97 inHg

10:00 AM

Mostly cloudy

49° 💧 None 💨 20 mph H 78%30.06 inHg

4:00 PM

Light rain

49° 💧 None 💨 17 mph H 90%30.12 inHg

10:00 PM

Partly cloudy night

51° 💧 None 💨 13 mph H 79%30.15 inHg

Thursday

4:00 AM

Partly cloudy night

45° 💧 None 💨 2 mph H 90%30.18 inHg

10:00 AM

Overcast

46° 💧 None 💨 4 mph H 83%30.15 inHg

4:00 PM

Partly cloudy

46° 💧 None 💨 5 mph H 82%30.15 inHg

10:00 PM

Overcast night

47° 💧 None 💨 8 mph H 78%30.15 inHg

Friday

4:00 AM

Mostly cloudy night

45° 💧 None 💨 4 mph H 83%30.15 inHg

10:00 AM

Mostly cloudy

45° 💧 None 💨 3 mph H 83%30.09 inHg

4:00 PM

Overcast

46° 💧 None 💨 7 mph H 83%30.06 inHg

10:00 PM

Partly cloudy night

50° 💧 None 💨 7 mph H 65%30.03 inHg

Saturday

4:00 AM

Mostly cloudy night

45° 💧 None 💨 6 mph H 81%30.00 inHg

10:00 AM

Mostly cloudy

45° 💧 None 💨 11 mph H 75%29.94 inHg

4:00 PM

Mostly cloudy

43° 💧 None 💨 12 mph H 81%29.88 inHg

10:00 PM

Overcast night

49° 💧 None 💨 13 mph H 72%29.80 inHg

Sunday

4:00 AM

Light rain

48° 💧 None 💨 8 mph H 94%29.74 inHg

10:00 AM

Overcast

46° 💧 None 💨 8 mph H 96%29.68 inHg

4:00 PM

Light rain

47° 💧 None 💨 7 mph H 96%29.62 inHg

10:00 PM

Overcast night

53° 💧 None 💨 8 mph H 82%29.59 inHg

Monday

4:00 AM

Light rain

49° 💧 None 💨 5 mph H 97%29.56 inHg

10:00 AM

Partly cloudy

49° 💧 None 💨 1 mph H 96%29.53 inHg

4:00 PM

Partly cloudy

49° 💧 None 💨 4 mph H 96%29.50 inHg

10:00 PM

Light rain

54° 💧 None 💨 8 mph H 80%29.47 inHg

Tuesday

4:00 AM

Light rain

49° 💧 None 💨 5 mph H 95%29.47 inHg

10:00 AM

Mostly cloudy

45° 💧 None 💨 3 mph H 96%29.47 inHg

4:00 PM

Overcast

49° 💧 None 💨 1 mph H 90%29.47 inHg

10:00 PM

Light rain

51° 💧 None 💨 6 mph H 88%29.47 inHg

Wednesday

4:00 AM

Mostly cloudy night

48° 💧 None 💨 1 mph H 95%29.53 inHg

10:00 AM

Mostly cloudy

46° 💧 None 💨 1 mph H 96%29.53 inHg

4:00 PM

Overcast

48° 💧 None 💨 6 mph H 96%29.53 inHg

10:00 PM

Partly cloudy night

50° 💧 None 💨 8 mph H 81%29.59 inHg

Thursday

4:00 AM

Partly cloudy night

46° 💧 None 💨 6 mph H 87%29.71 inHg

10:00 AM

Overcast

47° 💧 None 💨 12 mph H 84%29.80 inHg

In Port Heiden and, more broadly, across the state of Alaska: The evening will feature a mix of sun and clouds, with temperatures remaining cool between 58 and 61 degrees Fahrenheit. Light south winds are expected, with speeds up to 4 mph and gusts reaching 5 mph. No significant rainfall is anticipated during the upcoming hours, making for a relatively dry night. Conditions will be mild, but the cool temperatures may warrant a light jacket for comfort. The skies should stay partly cloudy through the night, with no major weather disturbances expected.

15-Day Weather Outlook for Port Heiden

Friday, Sep 11Fri Sep 11

Mostly sunny 60°/48° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Light rain 61°/54° 💧 0.166 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Light rain 62°/55° 💧 0.036 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 63°/55° 💧 0.001 in 💨 24 mph

Tuesday, Sep 15Tue Sep 15

Light rain 60°/56° 💧 0.171 in 💨 33 mph

Wednesday, Sep 16Wed Sep 16

Light rain 57°/49° 💧 0.093 in 💨 32 mph

Thursday, Sep 17Thu Sep 17

Light rain 51°/45° 💧 0.059 in 💨 17 mph

Friday, Sep 18Fri Sep 18

Overcast 47°/45° 💧 0.012 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Overcast 50°/45° 💧 0.015 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Light rain 49°/43° 💧 0.094 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Light rain 53°/47° 💧 0.239 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Light rain 54°/45° 💧 0.088 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Light rain 51°/46° 💧 0.071 in 💨 6 mph

Thursday, Sep 24Thu Sep 24

Overcast 50°/46° 💧 0.025 in 💨 12 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 9:00 PM

PM2.5 Fine particles Good 0,8µg/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 1,6µg/m³

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

O₃ Ozone Fair 64,5µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/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 3,6Moderate 🙂Fair

Friday UV 3,3Moderate 🙂Fair

Saturday UV 0,7Low 😊Good

Sunday UV 2,0Low 😊Good

Monday UV 4,0Moderate —Unavailable

Tuesday UV 3,0Moderate —Unavailable

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.

32/100Best-hour score

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

☁ Cloud cover 93% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 29° 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 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Port Heiden were last refreshed today at 8:55 PM. The current forecast period extends through 11/09/2026 at 6:00 PM. 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.