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Current weather in Iliamna is overcast clouds.

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This page shows hourly weather forecast for Iliamna, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Iliamna updated regularly?

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

Now · 7:17 AM

Iliamna Weather & Hourly Forecast

United States · Alaska · 99606

47°F

Overcast

Feels like: 43°F

💧 Humidity 86% 🌡 Pressure 30.45 inHg 💨 Wind 4 mph 👁 Visibility 42.0 mi ☁ Clouds 98% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Iliamna

Today

8:00 AM

Overcast

47° 💧 None 💨 3 mph H 86%30.45 inHg

11:00 AM

Overcast

49° 💧 0.001 in 💨 5 mph H 80%30.42 inHg

2:00 PM

Overcast

52° 💧 0.002 in 💨 6 mph H 80%30.39 inHg

5:00 PM

Overcast

53° 💧 0.001 in 💨 5 mph H 81%30.36 inHg

8:00 PM

Light rain

53° 💧 0.017 in 💨 2 mph H 89%30.30 inHg

11:00 PM

Light rain

53° 💧 0.037 in 💨 7 mph H 95%30.27 inHg

Tomorrow

2:00 AM

Mist at night

53° 💧 0.005 in 💨 7 mph H 98%30.27 inHg

5:00 AM

Overcast night

52° 💧 0.001 in 💨 6 mph H 98%30.27 inHg

8:00 AM

Mist

52° 💧 0.000 in 💨 5 mph H 99%30.27 inHg

11:00 AM

Overcast

53° 💧 0.001 in 💨 5 mph H 95%30.24 inHg

2:00 PM

Overcast

55° 💧 0.002 in 💨 6 mph H 87%30.24 inHg

5:00 PM

Mostly cloudy

56° 💧 0.002 in 💨 6 mph H 83%30.21 inHg

8:00 PM

Overcast

56° 💧 0.001 in 💨 5 mph H 87%30.21 inHg

11:00 PM

Overcast night

50° 💧 None 💨 3 mph H 95%30.21 inHg

Sunday

2:00 AM

Fog at night

47° 💧 None 💨 2 mph H 97%30.21 inHg

5:00 AM

Fog at night

46° 💧 None 💨 3 mph H 97%30.18 inHg

Today

8:00 AM

Overcast

47° 💧 None 💨 3 mph H 86%30.45 inHg

9:00 AM

Mostly cloudy

47° 💧 None 💨 4 mph H 84%30.45 inHg

10:00 AM

Mostly cloudy

48° 💧 None 💨 4 mph H 82%30.45 inHg

11:00 AM

Overcast

49° 💧 None 💨 5 mph H 80%30.42 inHg

12:00 PM

Overcast

50° 💧 0.000 in 💨 6 mph H 80%30.42 inHg

1:00 PM

Overcast

52° 💧 0.001 in 💨 7 mph H 80%30.42 inHg

2:00 PM

Overcast

52° 💧 0.001 in 💨 6 mph H 80%30.39 inHg

3:00 PM

Overcast

52° 💧 0.001 in 💨 6 mph H 81%30.39 inHg

4:00 PM

Overcast

53° 💧 0.000 in 💨 7 mph H 82%30.36 inHg

5:00 PM

Overcast

53° 💧 0.001 in 💨 5 mph H 81%30.36 inHg

6:00 PM

Overcast

54° 💧 0.000 in 💨 4 mph H 82%30.33 inHg

7:00 PM

Overcast

54° 💧 0.001 in 💨 3 mph H 84%30.30 inHg

8:00 PM

Light rain

53° 💧 0.005 in 💨 2 mph H 89%30.30 inHg

9:00 PM

Light rain

53° 💧 0.005 in 💨 2 mph H 91%30.30 inHg

10:00 PM

Light rain

53° 💧 0.008 in 💨 5 mph H 93%30.27 inHg

11:00 PM

Light rain

53° 💧 0.010 in 💨 7 mph H 95%30.27 inHg

Tomorrow

12:00 AM

Light rain

53° 💧 0.010 in 💨 9 mph H 97%30.27 inHg

1:00 AM

Light rain

53° 💧 0.016 in 💨 9 mph H 97%30.27 inHg

2:00 AM

Mist at night

53° 💧 0.003 in 💨 7 mph H 98%30.27 inHg

3:00 AM

Overcast night

53° 💧 0.001 in 💨 7 mph H 98%30.27 inHg

4:00 AM

Overcast night

53° 💧 0.001 in 💨 6 mph H 98%30.27 inHg

5:00 AM

Overcast night

52° 💧 0.001 in 💨 6 mph H 98%30.27 inHg

6:00 AM

Overcast night

52° 💧 None 💨 5 mph H 98%30.27 inHg

7:00 AM

Overcast night

52° 💧 0.000 in 💨 5 mph H 98%30.27 inHg

8:00 AM

Mist

52° 💧 0.000 in 💨 5 mph H 99%30.27 inHg

9:00 AM

Fog

52° 💧 None 💨 5 mph H 98%30.24 inHg

10:00 AM

Overcast

52° 💧 0.000 in 💨 5 mph H 97%30.24 inHg

11:00 AM

Overcast

53° 💧 0.000 in 💨 5 mph H 95%30.24 inHg

12:00 PM

Overcast

53° 💧 0.000 in 💨 5 mph H 92%30.24 inHg

1:00 PM

Overcast

54° 💧 0.001 in 💨 6 mph H 89%30.24 inHg

2:00 PM

Overcast

55° 💧 0.001 in 💨 6 mph H 87%30.24 inHg

3:00 PM

Overcast

55° 💧 0.000 in 💨 6 mph H 85%30.24 inHg

4:00 PM

Overcast

56° 💧 0.000 in 💨 6 mph H 84%30.24 inHg

5:00 PM

Mostly cloudy

56° 💧 0.000 in 💨 6 mph H 83%30.21 inHg

6:00 PM

Mostly cloudy

57° 💧 0.001 in 💨 7 mph H 81%30.21 inHg

7:00 PM

Overcast

57° 💧 0.001 in 💨 6 mph H 82%30.21 inHg

8:00 PM

Overcast

56° 💧 0.001 in 💨 5 mph H 87%30.21 inHg

9:00 PM

Overcast night

53° 💧 None 💨 4 mph H 92%30.21 inHg

10:00 PM

Overcast night

51° 💧 None 💨 4 mph H 94%30.21 inHg

11:00 PM

Overcast night

50° 💧 None 💨 3 mph H 95%30.21 inHg

Sunday

12:00 AM

Overcast night

49° 💧 None 💨 3 mph H 96%30.21 inHg

1:00 AM

Fog at night

48° 💧 None 💨 3 mph H 96%30.21 inHg

2:00 AM

Fog at night

47° 💧 None 💨 2 mph H 97%30.21 inHg

3:00 AM

Fog at night

47° 💧 None 💨 2 mph H 97%30.21 inHg

4:00 AM

Fog at night

47° 💧 None 💨 2 mph H 96%30.18 inHg

5:00 AM

Fog at night

46° 💧 None 💨 3 mph H 97%30.18 inHg

6:00 AM

Fog at night

46° 💧 None 💨 3 mph H 98%30.18 inHg

7:00 AM

Fog at night

47° 💧 None 💨 3 mph H 99%30.15 inHg

8:00 AM

Fog

47° 💧 None 💨 4 mph H 99%30.15 inHg

9:00 AM

Fog

48° 💧 None 💨 4 mph H 98%30.15 inHg

10:00 AM

Fog

49° 💧 None 💨 3 mph H 97%30.15 inHg

11:00 AM

Fog

50° 💧 None 💨 3 mph H 94%30.15 inHg

12:00 PM

Fog

53° 💧 None 💨 2 mph H 90%30.15 inHg

1:00 PM

Overcast

55° 💧 None 💨 1 mph H 86%30.15 inHg

2:00 PM

Overcast

56° 💧 None 💨 1 mph H 80%30.15 inHg

3:00 PM

Mist

56° 💧 0.002 in 💨 2 mph H 80%30.15 inHg

4:00 PM

Light rain

56° 💧 0.004 in 💨 2 mph H 84%30.15 inHg

Monday

1:00 AM

Overcast night

53° 💧 None 💨 6 mph H 90%30.12 inHg

4:00 AM

Light rain

54° 💧 None 💨 4 mph H 92%30.12 inHg

7:00 AM

Moderate rain

55° 💧 None 💨 4 mph H 94%30.09 inHg

10:00 AM

Light rain

55° 💧 None 💨 4 mph H 95%30.06 inHg

1:00 PM

Light rain

57° 💧 None 💨 4 mph H 92%30.06 inHg

4:00 PM

Overcast

59° 💧 None 💨 4 mph H 88%30.00 inHg

7:00 PM

Overcast

58° 💧 None 💨 6 mph H 90%29.97 inHg

10:00 PM

Overcast night

56° 💧 None 💨 5 mph H 94%29.97 inHg

Tuesday

1:00 AM

Overcast night

56° 💧 None 💨 10 mph H 90%29.94 inHg

4:00 AM

Light rain

56° 💧 None 💨 8 mph H 91%29.91 inHg

7:00 AM

Light rain

55° 💧 None 💨 8 mph H 93%29.85 inHg

10:00 AM

Moderate rain

55° 💧 None 💨 6 mph H 92%29.77 inHg

1:00 PM

Moderate rain

56° 💧 None 💨 8 mph H 91%29.77 inHg

4:00 PM

Light rain

56° 💧 None 💨 13 mph H 93%29.77 inHg

7:00 PM

Light rain

55° 💧 None 💨 12 mph H 85%29.80 inHg

10:00 PM

Mostly clear night

52° 💧 None 💨 10 mph H 83%29.88 inHg

Wednesday

1:00 AM

Mostly clear night

50° 💧 None 💨 11 mph H 77%29.94 inHg

4:00 AM

Mostly clear night

48° 💧 None 💨 9 mph H 82%30.03 inHg

7:00 AM

Partly cloudy night

47° 💧 None 💨 11 mph H 89%30.09 inHg

10:00 AM

Partly cloudy

47° 💧 None 💨 8 mph H 85%30.15 inHg

1:00 PM

Overcast

51° 💧 None 💨 8 mph H 76%30.15 inHg

4:00 PM

Overcast

51° 💧 None 💨 11 mph H 75%30.15 inHg

7:00 PM

Overcast

52° 💧 None 💨 8 mph H 68%30.12 inHg

10:00 PM

Mostly cloudy night

51° 💧 None 💨 5 mph H 73%30.12 inHg

Thursday

4:00 AM

Partly cloudy night

51° 💧 None 💨 9 mph H 80%30.12 inHg

10:00 AM

Mostly cloudy

49° 💧 None 💨 1 mph H 85%30.12 inHg

4:00 PM

Overcast

50° 💧 None 💨 4 mph H 85%30.09 inHg

10:00 PM

Overcast night

55° 💧 None 💨 10 mph H 64%30.06 inHg

Friday

4:00 AM

Overcast night

51° 💧 None 💨 10 mph H 80%30.03 inHg

10:00 AM

Overcast

52° 💧 None 💨 7 mph H 78%29.94 inHg

4:00 PM

Mostly cloudy

51° 💧 None 💨 5 mph H 84%29.85 inHg

10:00 PM

Light rain

52° 💧 None 💨 8 mph H 87%29.74 inHg

Saturday

4:00 AM

Light rain

52° 💧 None 💨 2 mph H 89%29.62 inHg

10:00 AM

Light rain

49° 💧 None 💨 4 mph H 87%29.56 inHg

4:00 PM

Light rain

48° 💧 None 💨 4 mph H 92%29.50 inHg

10:00 PM

Overcast night

50° 💧 None 💨 8 mph H 81%29.50 inHg

Sunday

4:00 AM

Overcast night

44° 💧 None 💨 15 mph H 79%29.56 inHg

10:00 AM

Overcast

43° 💧 None 💨 13 mph H 76%29.62 inHg

4:00 PM

Sunny

40° 💧 None 💨 13 mph H 74%29.68 inHg

10:00 PM

Mostly cloudy night

45° 💧 None 💨 14 mph H 57%29.71 inHg

Monday

4:00 AM

Mostly cloudy night

43° 💧 None 💨 10 mph H 69%29.74 inHg

10:00 AM

Partly cloudy

40° 💧 None 💨 7 mph H 77%29.74 inHg

4:00 PM

Overcast

41° 💧 None 💨 7 mph H 73%29.68 inHg

10:00 PM

Overcast night

45° 💧 None 💨 4 mph H 62%29.62 inHg

Tuesday

4:00 AM

Overcast night

46° 💧 None 💨 10 mph H 70%29.59 inHg

10:00 AM

Moderate rain

42° 💧 None 💨 9 mph H 89%29.62 inHg

4:00 PM

Moderate rain

41° 💧 None 💨 11 mph H 92%29.62 inHg

10:00 PM

Overcast night

42° 💧 None 💨 9 mph H 91%29.68 inHg

Wednesday

4:00 AM

Light rain

41° 💧 None 💨 8 mph H 89%29.74 inHg

10:00 AM

Mostly cloudy

41° 💧 None 💨 6 mph H 90%29.74 inHg

4:00 PM

Overcast

40° 💧 None 💨 8 mph H 91%29.71 inHg

10:00 PM

Light rain

44° 💧 None 💨 10 mph H 78%29.65 inHg

Thursday

4:00 AM

Light rain

44° 💧 None 💨 12 mph H 88%29.68 inHg

10:00 AM

Mostly sunny

43° 💧 None 💨 15 mph H 85%29.74 inHg

4:00 PM

Partly cloudy

43° 💧 None 💨 16 mph H 80%29.77 inHg

10:00 PM

Mostly clear night

47° 💧 None 💨 14 mph H 64%29.83 inHg

Friday

4:00 AM

Clear night

42° 💧 None 💨 12 mph H 65%29.83 inHg

10:00 AM

Overcast

37° 💧 None 💨 5 mph H 77%29.80 inHg

4:00 PM

Overcast

39° 💧 None 💨 3 mph H 67%29.74 inHg

10:00 PM

Overcast night

42° 💧 None 💨 2 mph H 60%29.68 inHg

In Iliamna and, more broadly, across the state of Alaska: This morning features a mix of sun and clouds, with temperatures starting off cool at around 46 degrees. Light southwest winds at 2 to 4 mph will provide a gentle breeze. As the day progresses into the afternoon, temperatures will climb to a high of about 61 degrees, still remaining relatively cool. Winds may gust up to 6 mph but will generally stay light throughout the day. No precipitation is expected, so plans can proceed without concern for rain. The sky will continue to feature a blend of sun and clouds, offering a pleasant, mild day overall.

15-Day Weather Outlook for Iliamna

TomorrowTomorrow

Overcast 55°/52° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Overcast 57°/46° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Moderate rain 57°/53° 💧 0.544 in 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 59°/55° 💧 0.664 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Light rain 56°/47° 💧 0.204 in 💨 13 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 52°/49° 💧 0.005 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Overcast 55°/50° 💧 0.010 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Light rain 52°/49° 💧 0.449 in 💨 8 mph

Sunday, Sep 20Sun Sep 20

Light rain 50°/43° 💧 0.156 in 💨 15 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 45°/40° 💧 0.002 in 💨 14 mph

Tuesday, Sep 22Tue Sep 22

Moderate rain 46°/41° 💧 0.198 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Moderate rain 42°/41° 💧 0.458 in 💨 11 mph

Thursday, Sep 24Thu Sep 24

Light rain 44°/40° 💧 0.250 in 💨 15 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 47°/37° 💧 None 💨 16 mph

Saturday, Sep 26Sat Sep 26

Overcast 42°/39° 💧 0.001 in 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Iliamna

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Iliamna

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 1,3µg/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 2,4µg/m³

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

O₃ Ozone Good 48,1µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Iliamna

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 2,6Low 😊Good

Tomorrow UV 2,6Low 😊Good

Sunday UV 1,4Low 😊Good

Monday UV 0,2Low 🙂Fair

Tuesday UV 3,0Moderate 🙂Fair

Wednesday UV 3,0Moderate —Unavailable

Thursday UV 3,0Moderate —Unavailable

Hourly UV index today

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

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Iliamna

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ILIAMNA, ALASKA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

22/100Best-hour score

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

☁ Cloud cover 100% Real hourly forecast for the best viewing hour.

☾ Moonlight 1% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 68° 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 Iliamna were last refreshed today at 7:17 AM. The current forecast period extends through 13/09/2026 at 5:00 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.