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Current weather in Mentasta Lake is clear sky.

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

Is the weather forecast for Mentasta Lake updated regularly?

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

Now · 7:17 AM

Mentasta Lake Weather & Hourly Forecast

United States · Alaska · 99780

33°F

Sunny

Feels like: 29°F

💧 Humidity 96% 🌡 Pressure 30.39 inHg 💨 Wind 1 mph 👁 Visibility 41.2 mi ☁ Clouds 11% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Mentasta Lake

Today

8:00 AM

Sunny

35° 💧 None 💨 2 mph H 96%30.39 inHg

11:00 AM

Sunny

49° 💧 None 💨 4 mph H 71%30.30 inHg

2:00 PM

Sunny

55° 💧 None 💨 7 mph H 59%30.21 inHg

5:00 PM

Mostly cloudy

56° 💧 None 💨 7 mph H 56%30.15 inHg

8:00 PM

Overcast

49° 💧 None 💨 3 mph H 72%30.09 inHg

11:00 PM

Mostly cloudy night

45° 💧 None 💨 3 mph H 77%30.06 inHg

Tomorrow

2:00 AM

Mostly cloudy night

41° 💧 None 💨 3 mph H 83%30.03 inHg

5:00 AM

Overcast night

38° 💧 0.018 in 💨 2 mph H 88%30.03 inHg

8:00 AM

Light rain

40° 💧 0.080 in 💨 2 mph H 94%30.09 inHg

11:00 AM

Overcast

46° 💧 0.003 in 💨 4 mph H 89%30.09 inHg

2:00 PM

Mostly cloudy

51° 💧 0.003 in 💨 6 mph H 65%30.03 inHg

5:00 PM

Light rain

52° 💧 0.048 in 💨 6 mph H 66%30.00 inHg

8:00 PM

Mostly cloudy

46° 💧 0.000 in 💨 1 mph H 75%30.03 inHg

11:00 PM

Mostly clear night

38° 💧 None 💨 2 mph H 95%30.09 inHg

Sunday

2:00 AM

Fog at night

34° 💧 None 💨 1 mph H 99%30.15 inHg

5:00 AM

Freezing rain

31° 💧 None 💨 2 mph H 100%30.18 inHg

Today

8:00 AM

Sunny

35° 💧 None 💨 2 mph H 96%30.39 inHg

9:00 AM

Sunny

39° 💧 None 💨 2 mph H 90%30.36 inHg

10:00 AM

Sunny

44° 💧 None 💨 2 mph H 79%30.36 inHg

11:00 AM

Sunny

49° 💧 None 💨 4 mph H 71%30.30 inHg

12:00 PM

Sunny

52° 💧 None 💨 5 mph H 65%30.27 inHg

1:00 PM

Sunny

54° 💧 None 💨 6 mph H 62%30.24 inHg

2:00 PM

Sunny

55° 💧 None 💨 7 mph H 59%30.21 inHg

3:00 PM

Mostly sunny

56° 💧 None 💨 8 mph H 57%30.18 inHg

4:00 PM

Mostly cloudy

56° 💧 None 💨 7 mph H 56%30.15 inHg

5:00 PM

Mostly cloudy

56° 💧 None 💨 7 mph H 56%30.15 inHg

6:00 PM

Overcast

55° 💧 None 💨 4 mph H 60%30.12 inHg

7:00 PM

Overcast

51° 💧 None 💨 3 mph H 69%30.12 inHg

8:00 PM

Overcast

49° 💧 None 💨 3 mph H 72%30.09 inHg

9:00 PM

Mostly cloudy night

47° 💧 None 💨 3 mph H 74%30.09 inHg

10:00 PM

Mostly cloudy night

46° 💧 None 💨 4 mph H 76%30.09 inHg

11:00 PM

Mostly cloudy night

45° 💧 None 💨 3 mph H 77%30.06 inHg

Tomorrow

12:00 AM

Mostly cloudy night

43° 💧 None 💨 3 mph H 79%30.06 inHg

1:00 AM

Mostly cloudy night

43° 💧 None 💨 3 mph H 81%30.06 inHg

2:00 AM

Mostly cloudy night

41° 💧 None 💨 3 mph H 83%30.03 inHg

3:00 AM

Mostly cloudy night

40° 💧 None 💨 2 mph H 86%30.03 inHg

4:00 AM

Mostly cloudy night

39° 💧 None 💨 3 mph H 87%30.03 inHg

5:00 AM

Overcast night

38° 💧 None 💨 2 mph H 88%30.03 inHg

6:00 AM

Overcast night

39° 💧 None 💨 3 mph H 89%30.06 inHg

7:00 AM

Light rain

40° 💧 0.018 in 💨 2 mph H 91%30.06 inHg

8:00 AM

Light rain

40° 💧 0.041 in 💨 2 mph H 94%30.09 inHg

9:00 AM

Light rain

41° 💧 0.035 in 💨 2 mph H 94%30.09 inHg

10:00 AM

Light rain

42° 💧 0.005 in 💨 3 mph H 96%30.09 inHg

11:00 AM

Overcast

46° 💧 0.000 in 💨 4 mph H 89%30.09 inHg

12:00 PM

Overcast

48° 💧 0.001 in 💨 4 mph H 80%30.06 inHg

1:00 PM

Overcast

50° 💧 0.002 in 💨 5 mph H 72%30.06 inHg

2:00 PM

Mostly cloudy

51° 💧 0.000 in 💨 6 mph H 65%30.03 inHg

3:00 PM

Mostly sunny

54° 💧 0.000 in 💨 7 mph H 58%30.03 inHg

4:00 PM

Mostly sunny

54° 💧 0.002 in 💨 7 mph H 57%30.00 inHg

5:00 PM

Light rain

52° 💧 0.021 in 💨 6 mph H 66%30.00 inHg

6:00 PM

Light rain

50° 💧 0.024 in 💨 3 mph H 75%30.03 inHg

7:00 PM

Mostly sunny

49° 💧 0.003 in 💨 1 mph H 76%30.03 inHg

8:00 PM

Mostly cloudy

46° 💧 0.000 in 💨 1 mph H 75%30.03 inHg

9:00 PM

Mostly clear night

42° 💧 None 💨 1 mph H 83%30.06 inHg

10:00 PM

Mostly clear night

40° 💧 None 💨 2 mph H 90%30.09 inHg

11:00 PM

Mostly clear night

38° 💧 None 💨 2 mph H 95%30.09 inHg

Sunday

12:00 AM

Mostly clear night

37° 💧 None 💨 1 mph H 99%30.12 inHg

1:00 AM

Fog at night

35° 💧 None 💨 1 mph H 100%30.12 inHg

2:00 AM

Fog at night

34° 💧 None 💨 1 mph H 99%30.15 inHg

3:00 AM

Fog at night

33° 💧 None 💨 1 mph H 99%30.15 inHg

4:00 AM

Fog at night

32° 💧 None 💨 1 mph H 100%30.15 inHg

5:00 AM

Freezing rain

31° 💧 None 💨 2 mph H 100%30.18 inHg

6:00 AM

Freezing rain

31° 💧 None 💨 2 mph H 99%30.18 inHg

7:00 AM

Freezing rain

31° 💧 None 💨 3 mph H 99%30.18 inHg

8:00 AM

Fog

32° 💧 None 💨 2 mph H 97%30.18 inHg

9:00 AM

Fog

35° 💧 None 💨 1 mph H 97%30.18 inHg

10:00 AM

Fog

37° 💧 None 💨 1 mph H 99%30.18 inHg

11:00 AM

Fog

40° 💧 None 💨 1 mph H 90%30.18 inHg

12:00 PM

Partly cloudy

43° 💧 None 💨 1 mph H 80%30.15 inHg

1:00 PM

Mostly sunny

46° 💧 None 💨 2 mph H 69%30.12 inHg

2:00 PM

Partly cloudy

49° 💧 None 💨 3 mph H 56%30.09 inHg

3:00 PM

Partly cloudy

51° 💧 None 💨 5 mph H 48%30.06 inHg

4:00 PM

Partly cloudy

51° 💧 None 💨 5 mph H 48%30.06 inHg

Monday

1:00 AM

Clear night

35° 💧 None 💨 1 mph H 82%30.12 inHg

4:00 AM

Clear night

32° 💧 None 💨 1 mph H 88%30.15 inHg

7:00 AM

Sunny

30° 💧 None 💨 1 mph H 94%30.15 inHg

10:00 AM

Sunny

40° 💧 None 💨 1 mph H 79%30.15 inHg

1:00 PM

Mostly sunny

50° 💧 None 💨 4 mph H 55%30.09 inHg

4:00 PM

Mostly sunny

53° 💧 None 💨 7 mph H 48%30.03 inHg

7:00 PM

Partly cloudy

48° 💧 None 💨 3 mph H 62%30.00 inHg

10:00 PM

Overcast night

43° 💧 None 💨 3 mph H 72%29.97 inHg

Tuesday

1:00 AM

Overcast night

41° 💧 None 💨 3 mph H 81%29.94 inHg

4:00 AM

Light rain

39° 💧 None 💨 4 mph H 92%29.94 inHg

7:00 AM

Mostly cloudy

38° 💧 None 💨 5 mph H 97%29.91 inHg

10:00 AM

Mostly cloudy

47° 💧 None 💨 10 mph H 77%29.85 inHg

1:00 PM

Light rain

51° 💧 None 💨 9 mph H 65%29.85 inHg

4:00 PM

Light rain

48° 💧 None 💨 3 mph H 82%29.80 inHg

7:00 PM

Light rain

45° 💧 None 💨 4 mph H 96%29.74 inHg

10:00 PM

Moderate rain

43° 💧 None 💨 2 mph H 95%29.68 inHg

Wednesday

1:00 AM

Moderate rain

42° 💧 None 💨 1 mph H 92%29.65 inHg

4:00 AM

Heavy rain

41° 💧 None 💨 3 mph H 96%29.71 inHg

7:00 AM

Overcast

38° 💧 None 💨 2 mph H 97%29.83 inHg

10:00 AM

Mostly cloudy

39° 💧 None 💨 4 mph H 94%29.94 inHg

1:00 PM

Mostly cloudy

44° 💧 None 💨 7 mph H 63%29.97 inHg

4:00 PM

Partly cloudy

46° 💧 None 💨 9 mph H 56%30.00 inHg

7:00 PM

Partly cloudy

43° 💧 None 💨 2 mph H 64%30.03 inHg

10:00 PM

Partly cloudy night

38° 💧 None 💨 0 mph H 69%30.09 inHg

Thursday

4:00 AM

Partly cloudy night

39° 💧 None 💨 6 mph H 72%30.03 inHg

10:00 AM

Mostly cloudy

35° 💧 None 💨 3 mph H 86%30.09 inHg

4:00 PM

Overcast

37° 💧 None 💨 3 mph H 88%30.15 inHg

10:00 PM

Mostly cloudy night

45° 💧 None 💨 9 mph H 61%30.09 inHg

Friday

4:00 AM

Partly cloudy night

37° 💧 None 💨 2 mph H 79%30.12 inHg

10:00 AM

Mostly cloudy

32° 💧 None 💨 2 mph H 89%30.12 inHg

4:00 PM

Mostly cloudy

39° 💧 None 💨 0 mph H 78%30.12 inHg

10:00 PM

Overcast night

47° 💧 None 💨 3 mph H 55%29.97 inHg

Saturday

4:00 AM

Overcast night

38° 💧 None 💨 2 mph H 88%29.85 inHg

10:00 AM

Overcast

35° 💧 None 💨 1 mph H 90%29.77 inHg

4:00 PM

Overcast

39° 💧 None 💨 3 mph H 93%29.65 inHg

10:00 PM

Overcast night

47° 💧 None 💨 3 mph H 73%29.53 inHg

Sunday

4:00 AM

Light rain

40° 💧 None 💨 1 mph H 93%29.53 inHg

10:00 AM

Partly cloudy

33° 💧 None 💨 1 mph H 98%29.59 inHg

4:00 PM

Overcast

37° 💧 None 💨 2 mph H 97%29.59 inHg

10:00 PM

Overcast night

44° 💧 None 💨 2 mph H 68%29.59 inHg

Monday

4:00 AM

Overcast night

37° 💧 None 💨 0 mph H 92%29.62 inHg

10:00 AM

Mostly cloudy

34° 💧 None 💨 1 mph H 93%29.65 inHg

4:00 PM

Partly cloudy

37° 💧 None 💨 1 mph H 95%29.65 inHg

10:00 PM

Light rain

43° 💧 None 💨 2 mph H 74%29.62 inHg

Tuesday

4:00 AM

Mostly cloudy night

33° 💧 None 💨 1 mph H 97%29.68 inHg

10:00 AM

Overcast

31° 💧 None 💨 2 mph H 99%29.71 inHg

4:00 PM

Overcast

35° 💧 None 💨 3 mph H 96%29.71 inHg

10:00 PM

Overcast night

42° 💧 None 💨 3 mph H 75%29.68 inHg

Wednesday

4:00 AM

Overcast night

34° 💧 None 💨 2 mph H 93%29.74 inHg

10:00 AM

Overcast

33° 💧 None 💨 1 mph H 97%29.77 inHg

4:00 PM

Overcast

38° 💧 None 💨 3 mph H 90%29.77 inHg

10:00 PM

Overcast night

39° 💧 None 💨 5 mph H 87%29.74 inHg

Thursday

4:00 AM

Mostly cloudy night

36° 💧 None 💨 3 mph H 95%29.74 inHg

10:00 AM

Overcast

35° 💧 None 💨 3 mph H 97%29.74 inHg

4:00 PM

Overcast

38° 💧 None 💨 4 mph H 92%29.74 inHg

10:00 PM

Overcast night

43° 💧 None 💨 5 mph H 77%29.71 inHg

Friday

4:00 AM

Partly cloudy night

35° 💧 None 💨 0 mph H 93%29.74 inHg

10:00 AM

Overcast

32° 💧 None 💨 1 mph H 98%29.77 inHg

4:00 PM

Overcast

35° 💧 None 💨 2 mph H 95%29.77 inHg

10:00 PM

Light rain

43° 💧 None 💨 3 mph H 73%29.65 inHg

In Mentasta Lake 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 Mentasta Lake

TomorrowTomorrow

Mostly cloudy 56°/38° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 54°/31° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 51°/30° 💧 0.132 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Light rain 53°/38° 💧 0.021 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Heavy rain 48°/38° 💧 0.982 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 46°/35° 💧 0.002 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Overcast 45°/32° 💧 0.010 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Overcast 47°/35° 💧 0.005 in 💨 3 mph

Sunday, Sep 20Sun Sep 20

Light rain 47°/33° 💧 0.223 in 💨 3 mph

Monday, Sep 21Mon Sep 21

Overcast 44°/34° 💧 0.137 in 💨 2 mph

Tuesday, Sep 22Tue Sep 22

Light rain 43°/31° 💧 0.069 in 💨 2 mph

Wednesday, Sep 23Wed Sep 23

Overcast 42°/33° 💧 0.004 in 💨 3 mph

Thursday, Sep 24Thu Sep 24

Overcast 39°/35° 💧 0.009 in 💨 5 mph

Friday, Sep 25Fri Sep 25

Overcast 43°/32° 💧 0.003 in 💨 5 mph

Saturday, Sep 26Sat Sep 26

Light rain 43°/35° 💧 0.029 in 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mentasta Lake

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mentasta Lake

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 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 0,7µg/m³

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

O₃ Ozone Good 52,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,2µg/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 Mentasta Lake

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 2,7Low 😊Good

Tomorrow UV 0,8Low 🙂Fair

Sunday UV 2,3Low 🙂Fair

Monday UV 1,5Low 🙂Fair

Tuesday UV 2,0Low 🙂Fair

Wednesday UV 2,0Low —Unavailable

Thursday UV 1,0Low —Unavailable

Hourly UV index today

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

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.

Good air quality

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

Cold conditions

Dress warmly and protect your hands and feet if you will be outdoors for an extended period.

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 Mentasta Lake

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MENTASTA LAKE, ALASKA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

54/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 11:15 PM–3:51 AM

☁ Cloud cover 64% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 53° high at the best hour.

✦ Estimated visible meteors 1–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min51%

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 Mentasta Lake 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.