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

Now · 4:48 PM

Port Graham Weather & Hourly Forecast

United States · Alaska · 99603

52°F

Sunny

Feels like: 39°F

💧 Humidity 76% 🌡 Pressure 30.36 inHg 💨 Wind 21 mph 👁 Visibility 36.3 mi ☁ Clouds 6% ☀️ UV index 1.9 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Port Graham

Today

5:00 PM

Sunny

52° 💧 None 💨 21 mph H 76%30.36 inHg

8:00 PM

Partly cloudy

50° 💧 None 💨 18 mph H 84%30.39 inHg

11:00 PM

Partly cloudy night

49° 💧 None 💨 14 mph H 85%30.42 inHg

Tomorrow

2:00 AM

Mostly cloudy night

49° 💧 None 💨 14 mph H 91%30.45 inHg

5:00 AM

Mostly cloudy night

49° 💧 None 💨 15 mph H 93%30.45 inHg

8:00 AM

Mostly cloudy

48° 💧 None 💨 11 mph H 95%30.45 inHg

11:00 AM

Mostly cloudy

52° 💧 None 💨 9 mph H 89%30.47 inHg

2:00 PM

Partly cloudy

56° 💧 None 💨 8 mph H 76%30.47 inHg

5:00 PM

Partly cloudy

54° 💧 None 💨 8 mph H 81%30.47 inHg

8:00 PM

Mostly cloudy

51° 💧 None 💨 5 mph H 88%30.45 inHg

11:00 PM

Partly cloudy night

47° 💧 None 💨 4 mph H 95%30.42 inHg

Friday

2:00 AM

Partly cloudy night

46° 💧 None 💨 4 mph H 98%30.42 inHg

5:00 AM

Mostly clear night

45° 💧 None 💨 3 mph H 97%30.42 inHg

8:00 AM

Mostly sunny

44° 💧 None 💨 3 mph H 98%30.39 inHg

11:00 AM

Mostly sunny

50° 💧 None 💨 5 mph H 87%30.39 inHg

2:00 PM

Mostly sunny

52° 💧 None 💨 6 mph H 75%30.36 inHg

Today

5:00 PM

Sunny

52° 💧 None 💨 21 mph H 76%30.36 inHg

6:00 PM

Partly cloudy

52° 💧 None 💨 19 mph H 79%30.36 inHg

7:00 PM

Partly cloudy

51° 💧 None 💨 18 mph H 82%30.39 inHg

8:00 PM

Partly cloudy

50° 💧 None 💨 18 mph H 84%30.39 inHg

9:00 PM

Mostly clear night

50° 💧 None 💨 16 mph H 85%30.39 inHg

10:00 PM

Mostly cloudy night

50° 💧 None 💨 14 mph H 84%30.42 inHg

11:00 PM

Partly cloudy night

49° 💧 None 💨 14 mph H 85%30.42 inHg

Tomorrow

12:00 AM

Partly cloudy night

50° 💧 None 💨 14 mph H 86%30.42 inHg

1:00 AM

Mostly cloudy night

49° 💧 None 💨 14 mph H 91%30.42 inHg

2:00 AM

Mostly cloudy night

49° 💧 None 💨 14 mph H 91%30.45 inHg

3:00 AM

Overcast night

49° 💧 None 💨 15 mph H 92%30.45 inHg

4:00 AM

Mostly cloudy night

49° 💧 None 💨 15 mph H 93%30.45 inHg

5:00 AM

Mostly cloudy night

49° 💧 None 💨 15 mph H 93%30.45 inHg

6:00 AM

Mostly cloudy night

49° 💧 None 💨 14 mph H 94%30.45 inHg

7:00 AM

Mostly cloudy night

48° 💧 None 💨 12 mph H 94%30.45 inHg

8:00 AM

Mostly cloudy

48° 💧 None 💨 11 mph H 95%30.45 inHg

9:00 AM

Mostly cloudy

49° 💧 None 💨 10 mph H 93%30.47 inHg

10:00 AM

Overcast

50° 💧 None 💨 9 mph H 91%30.47 inHg

11:00 AM

Mostly cloudy

52° 💧 None 💨 9 mph H 89%30.47 inHg

12:00 PM

Mostly cloudy

53° 💧 None 💨 9 mph H 85%30.47 inHg

1:00 PM

Mostly cloudy

55° 💧 None 💨 9 mph H 80%30.47 inHg

2:00 PM

Partly cloudy

56° 💧 None 💨 8 mph H 76%30.47 inHg

3:00 PM

Mostly cloudy

56° 💧 None 💨 9 mph H 77%30.47 inHg

4:00 PM

Partly cloudy

55° 💧 None 💨 9 mph H 80%30.47 inHg

5:00 PM

Partly cloudy

54° 💧 None 💨 8 mph H 81%30.47 inHg

6:00 PM

Mostly cloudy

54° 💧 None 💨 8 mph H 82%30.45 inHg

7:00 PM

Mostly sunny

53° 💧 None 💨 7 mph H 84%30.45 inHg

8:00 PM

Mostly cloudy

51° 💧 None 💨 5 mph H 88%30.45 inHg

9:00 PM

Mostly clear night

49° 💧 None 💨 4 mph H 95%30.45 inHg

10:00 PM

Partly cloudy night

48° 💧 None 💨 4 mph H 94%30.45 inHg

11:00 PM

Partly cloudy night

47° 💧 None 💨 4 mph H 95%30.42 inHg

Friday

12:00 AM

Mostly clear night

47° 💧 None 💨 5 mph H 96%30.42 inHg

1:00 AM

Mostly clear night

47° 💧 None 💨 5 mph H 97%30.42 inHg

2:00 AM

Partly cloudy night

46° 💧 None 💨 4 mph H 98%30.42 inHg

3:00 AM

Partly cloudy night

46° 💧 None 💨 3 mph H 98%30.42 inHg

4:00 AM

Partly cloudy night

45° 💧 None 💨 3 mph H 98%30.42 inHg

5:00 AM

Mostly clear night

45° 💧 None 💨 3 mph H 97%30.42 inHg

6:00 AM

Mostly clear night

45° 💧 None 💨 3 mph H 97%30.42 inHg

7:00 AM

Mostly clear night

44° 💧 None 💨 3 mph H 98%30.39 inHg

8:00 AM

Mostly sunny

44° 💧 None 💨 3 mph H 98%30.39 inHg

9:00 AM

Mostly sunny

47° 💧 None 💨 4 mph H 95%30.39 inHg

10:00 AM

Mostly sunny

49° 💧 None 💨 5 mph H 90%30.39 inHg

11:00 AM

Mostly sunny

50° 💧 None 💨 5 mph H 87%30.39 inHg

12:00 PM

Mostly sunny

51° 💧 None 💨 5 mph H 82%30.36 inHg

1:00 PM

Mostly sunny

52° 💧 None 💨 5 mph H 77%30.36 inHg

2:00 PM

Mostly sunny

52° 💧 None 💨 6 mph H 75%30.36 inHg

3:00 PM

Mostly cloudy

53° 💧 None 💨 5 mph H 77%30.36 inHg

4:00 PM

Overcast

53° 💧 None 💨 5 mph H 81%30.33 inHg

5:00 PM

Overcast

52° 💧 None 💨 5 mph H 85%30.33 inHg

6:00 PM

Mostly cloudy

52° 💧 None 💨 5 mph H 86%30.30 inHg

7:00 PM

Mostly cloudy

52° 💧 None 💨 4 mph H 88%30.30 inHg

8:00 PM

Partly cloudy

51° 💧 None 💨 5 mph H 91%30.27 inHg

9:00 PM

Mostly clear night

50° 💧 None 💨 5 mph H 93%30.27 inHg

10:00 PM

Partly cloudy night

50° 💧 None 💨 6 mph H 94%30.27 inHg

11:00 PM

Partly cloudy night

49° 💧 None 💨 5 mph H 96%30.27 inHg

Saturday

12:00 AM

Mostly cloudy night

49° 💧 None 💨 4 mph H 96%30.27 inHg

1:00 AM

Mostly cloudy night

48° 💧 None 💨 3 mph H 97%30.24 inHg

2:00 AM

Mostly cloudy night

49° 💧 None 💨 3 mph H 97%30.24 inHg

3:00 AM

Partly cloudy night

49° 💧 0.001 in 💨 3 mph H 97%30.24 inHg

4:00 AM

Mostly cloudy night

49° 💧 0.001 in 💨 3 mph H 96%30.21 inHg

1:00 PM

Mostly cloudy

54° 💧 None 💨 13 mph H 85%30.24 inHg

4:00 PM

Mostly sunny

55° 💧 None 💨 12 mph H 84%30.21 inHg

7:00 PM

Mostly cloudy

54° 💧 None 💨 9 mph H 87%30.18 inHg

10:00 PM

Overcast night

50° 💧 None 💨 8 mph H 94%30.18 inHg

Sunday

1:00 AM

Overcast night

50° 💧 None 💨 7 mph H 94%30.18 inHg

4:00 AM

Overcast night

50° 💧 None 💨 5 mph H 92%30.15 inHg

7:00 AM

Overcast night

50° 💧 None 💨 5 mph H 94%30.15 inHg

10:00 AM

Overcast

52° 💧 None 💨 6 mph H 95%30.15 inHg

1:00 PM

Overcast

56° 💧 None 💨 7 mph H 87%30.15 inHg

4:00 PM

Overcast

54° 💧 None 💨 5 mph H 92%30.15 inHg

7:00 PM

Overcast

52° 💧 None 💨 4 mph H 98%30.15 inHg

10:00 PM

Overcast night

50° 💧 None 💨 3 mph H 100%30.15 inHg

Monday

1:00 AM

Overcast night

50° 💧 None 💨 2 mph H 100%30.15 inHg

4:00 AM

Overcast night

50° 💧 None 💨 3 mph H 100%30.15 inHg

7:00 AM

Overcast night

50° 💧 None 💨 4 mph H 100%30.15 inHg

10:00 AM

Overcast

51° 💧 None 💨 5 mph H 99%30.15 inHg

1:00 PM

Overcast

52° 💧 None 💨 6 mph H 96%30.18 inHg

4:00 PM

Partly cloudy

54° 💧 None 💨 13 mph H 88%30.15 inHg

7:00 PM

Partly cloudy

52° 💧 None 💨 10 mph H 92%30.12 inHg

10:00 PM

Light rain

51° 💧 None 💨 9 mph H 97%30.12 inHg

Tuesday

1:00 AM

Light rain

51° 💧 None 💨 9 mph H 98%30.12 inHg

4:00 AM

Overcast night

51° 💧 None 💨 11 mph H 99%30.12 inHg

7:00 AM

Overcast night

51° 💧 None 💨 12 mph H 99%30.09 inHg

10:00 AM

Overcast

51° 💧 None 💨 13 mph H 98%30.06 inHg

4:00 PM

Overcast

51° 💧 None 💨 13 mph H 96%30.12 inHg

10:00 PM

Overcast night

51° 💧 None 💨 17 mph H 93%30.06 inHg

Wednesday

4:00 AM

Overcast night

51° 💧 None 💨 14 mph H 100%29.97 inHg

10:00 AM

Overcast

48° 💧 None 💨 11 mph H 97%30.03 inHg

4:00 PM

Mostly cloudy

49° 💧 None 💨 6 mph H 97%30.06 inHg

10:00 PM

Mostly cloudy night

53° 💧 None 💨 3 mph H 72%30.09 inHg

Thursday

4:00 AM

Overcast night

45° 💧 None 💨 2 mph H 90%30.09 inHg

10:00 AM

Overcast

44° 💧 None 💨 6 mph H 85%30.09 inHg

4:00 PM

Partly cloudy

49° 💧 None 💨 1 mph H 78%30.06 inHg

10:00 PM

Mostly clear night

52° 💧 None 💨 6 mph H 69%30.06 inHg

Friday

4:00 AM

Clear night

44° 💧 None 💨 2 mph H 87%30.03 inHg

10:00 AM

Mostly cloudy

40° 💧 None 💨 1 mph H 96%30.03 inHg

4:00 PM

Mostly sunny

45° 💧 None 💨 2 mph H 96%30.00 inHg

10:00 PM

Clear night

51° 💧 None 💨 7 mph H 75%29.94 inHg

Saturday

4:00 AM

Overcast night

44° 💧 None 💨 7 mph H 92%29.94 inHg

10:00 AM

Partly cloudy

41° 💧 None 💨 5 mph H 92%29.91 inHg

4:00 PM

Overcast

45° 💧 None 💨 4 mph H 89%29.88 inHg

10:00 PM

Light rain

50° 💧 None 💨 4 mph H 79%29.83 inHg

Sunday

4:00 AM

Light rain

47° 💧 None 💨 4 mph H 97%29.77 inHg

10:00 AM

Light rain

48° 💧 None 💨 5 mph H 98%29.71 inHg

4:00 PM

Overcast

48° 💧 None 💨 6 mph H 97%29.65 inHg

10:00 PM

Overcast night

55° 💧 None 💨 8 mph H 76%29.62 inHg

Monday

4:00 AM

Light rain

50° 💧 None 💨 4 mph H 96%29.56 inHg

10:00 AM

Light rain

47° 💧 None 💨 7 mph H 97%29.47 inHg

4:00 PM

Light rain

49° 💧 None 💨 5 mph H 97%29.44 inHg

10:00 PM

Overcast night

52° 💧 None 💨 11 mph H 92%29.47 inHg

Tuesday

4:00 AM

Light rain

49° 💧 None 💨 6 mph H 94%29.50 inHg

10:00 AM

Light rain

46° 💧 None 💨 3 mph H 97%29.47 inHg

4:00 PM

Light rain

49° 💧 None 💨 2 mph H 99%29.47 inHg

10:00 PM

Light rain

51° 💧 None 💨 1 mph H 91%29.47 inHg

Wednesday

4:00 AM

Mostly cloudy night

47° 💧 None 💨 5 mph H 98%29.50 inHg

10:00 AM

Mostly cloudy

44° 💧 None 💨 5 mph H 98%29.53 inHg

4:00 PM

Overcast

48° 💧 None 💨 8 mph H 91%29.53 inHg

10:00 PM

Light rain

51° 💧 None 💨 1 mph H 92%29.47 inHg

Thursday

4:00 AM

Overcast night

47° 💧 None 💨 8 mph H 98%29.53 inHg

10:00 AM

Overcast

46° 💧 None 💨 10 mph H 93%29.65 inHg

In Port Graham and, more broadly, across the state of Alaska: As the afternoon comes to a close, mostly cloudy skies will persist with temperatures ranging from 52 to 61 degrees Fahrenheit, creating a cool atmosphere. Light northwest winds will blow at around 4 mph, with occasional gusts reaching up to 10 mph. No significant rainfall is expected during this time, so conditions should remain dry through the evening. Temperatures are expected to stay steady, gradually cooling as night falls. The relatively gentle breeze will continue into the night, providing a bit of movement in the air but without any strong gusts. Overall, it will be a cool and mostly overcast evening with calm winds.

15-Day Weather Outlook for Port Graham

Friday, Sep 11Fri Sep 11

Partly cloudy 55°/44° 💧 None 💨 9 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 54°/48° 💧 0.001 in 💨 13 mph

Sunday, Sep 13Sun Sep 13

Overcast 56°/50° 💧 0.001 in 💨 12 mph

Monday, Sep 14Mon Sep 14

Overcast 54°/50° 💧 0.006 in 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Light rain 54°/51° 💧 0.048 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Overcast 51°/48° 💧 0.193 in 💨 17 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 53°/44° 💧 0.031 in 💨 6 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 52°/40° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 51°/41° 💧 0.001 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Light rain 50°/45° 💧 0.241 in 💨 5 mph

Monday, Sep 21Mon Sep 21

Light rain 55°/47° 💧 0.148 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Light rain 52°/46° 💧 0.303 in 💨 11 mph

Wednesday, Sep 23Wed Sep 23

Light rain 51°/44° 💧 0.202 in 💨 5 mph

Thursday, Sep 24Thu Sep 24

Light rain 51°/46° 💧 0.107 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Port Graham

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Port Graham

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

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 1,5µg/m³

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

O₃ Ozone Fair 72,2µg/m³

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

NO₂ Nitrogen dioxide Good 0,1µg/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 Graham

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 2,5Low 🙂Fair

Tomorrow UV 2,6Low 🙂Fair

Friday UV 3,1Moderate 🙂Fair

Saturday UV 2,4Low 🙂Fair

Sunday UV 4,0Moderate 🙂Fair

Monday UV 3,0Moderate —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

5:00 PMUV 1,2 6:00 PMUV 0,7 7:00 PMUV 0,3

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 Graham

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PORT GRAHAM, ALASKA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

60/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 11:21 PM–4:51 AM

☁ Cloud cover 55% 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 33° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min43%

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 Graham were last refreshed today at 4:48 PM. The current forecast period extends through 11/09/2026 at 2:00 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.