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Current weather in Mendeltna is overcast clouds.

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

Now · 3:19 AM

Mendeltna Weather & Hourly Forecast

United States · Alaska · 99588

41°F

Overcast night

Feels like: 37°F

💧 Humidity 97% 🌡 Pressure 29.77 inHg 💨 Wind 2 mph 👁 Visibility 0.9 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Mendeltna

Today

4:00 AM

Light rain

41° 💧 0.022 in 💨 4 mph H 98%29.77 inHg

7:00 AM

Light rain

40° 💧 0.038 in 💨 2 mph H 99%29.74 inHg

10:00 AM

Light rain

45° 💧 0.014 in 💨 2 mph H 98%29.74 inHg

1:00 PM

Mostly cloudy

52° 💧 0.003 in 💨 3 mph H 64%29.68 inHg

4:00 PM

Overcast

51° 💧 0.045 in 💨 5 mph H 66%29.68 inHg

7:00 PM

Light rain

46° 💧 0.064 in 💨 3 mph H 97%29.74 inHg

10:00 PM

Mostly cloudy night

42° 💧 0.002 in 💨 5 mph H 98%29.80 inHg

Tomorrow

1:00 AM

Mostly cloudy night

39° 💧 None 💨 5 mph H 98%29.88 inHg

4:00 AM

Mostly clear night

38° 💧 None 💨 5 mph H 96%30.00 inHg

7:00 AM

Partly cloudy

36° 💧 None 💨 5 mph H 98%30.09 inHg

10:00 AM

Fog

46° 💧 0.000 in 💨 4 mph H 86%30.18 inHg

1:00 PM

Mostly cloudy

54° 💧 None 💨 11 mph H 46%30.18 inHg

4:00 PM

Sunny

55° 💧 None 💨 10 mph H 39%30.21 inHg

7:00 PM

Mostly cloudy

52° 💧 None 💨 7 mph H 45%30.27 inHg

10:00 PM

Overcast night

42° 💧 0.000 in 💨 3 mph H 73%30.33 inHg

Thursday

1:00 AM

Mostly cloudy night

39° 💧 None 💨 3 mph H 84%30.36 inHg

Today

4:00 AM

Light rain

41° 💧 0.007 in 💨 4 mph H 98%29.77 inHg

5:00 AM

Light rain

41° 💧 0.009 in 💨 3 mph H 98%29.74 inHg

6:00 AM

Light rain

41° 💧 0.006 in 💨 2 mph H 99%29.74 inHg

7:00 AM

Light rain

40° 💧 0.011 in 💨 2 mph H 99%29.74 inHg

8:00 AM

Light rain

40° 💧 0.013 in 💨 3 mph H 100%29.74 inHg

9:00 AM

Light rain

42° 💧 0.014 in 💨 3 mph H 100%29.74 inHg

10:00 AM

Light rain

45° 💧 0.007 in 💨 2 mph H 98%29.74 inHg

11:00 AM

Mostly cloudy

48° 💧 0.002 in 💨 4 mph H 91%29.71 inHg

12:00 PM

Light rain

50° 💧 0.005 in 💨 4 mph H 76%29.71 inHg

1:00 PM

Mostly cloudy

52° 💧 0.000 in 💨 3 mph H 64%29.68 inHg

2:00 PM

Overcast

53° 💧 0.002 in 💨 2 mph H 61%29.68 inHg

3:00 PM

Overcast

53° 💧 0.000 in 💨 3 mph H 59%29.68 inHg

4:00 PM

Overcast

51° 💧 0.001 in 💨 5 mph H 66%29.68 inHg

5:00 PM

Light rain

48° 💧 0.016 in 💨 4 mph H 87%29.68 inHg

6:00 PM

Light rain

47° 💧 0.028 in 💨 2 mph H 97%29.71 inHg

7:00 PM

Light rain

46° 💧 0.031 in 💨 3 mph H 97%29.74 inHg

8:00 PM

Light rain

44° 💧 0.022 in 💨 3 mph H 97%29.77 inHg

9:00 PM

Light rain

44° 💧 0.011 in 💨 4 mph H 98%29.77 inHg

10:00 PM

Mostly cloudy night

42° 💧 0.002 in 💨 5 mph H 98%29.80 inHg

11:00 PM

Partly cloudy night

41° 💧 None 💨 6 mph H 98%29.85 inHg

Tomorrow

12:00 AM

Partly cloudy night

40° 💧 None 💨 5 mph H 98%29.85 inHg

1:00 AM

Mostly cloudy night

39° 💧 None 💨 5 mph H 98%29.88 inHg

2:00 AM

Mostly cloudy night

39° 💧 None 💨 6 mph H 97%29.91 inHg

3:00 AM

Partly cloudy night

39° 💧 None 💨 6 mph H 96%29.94 inHg

4:00 AM

Mostly clear night

38° 💧 None 💨 5 mph H 96%30.00 inHg

5:00 AM

Mostly clear night

37° 💧 None 💨 5 mph H 96%30.00 inHg

6:00 AM

Mostly clear night

36° 💧 None 💨 6 mph H 97%30.03 inHg

7:00 AM

Partly cloudy

36° 💧 None 💨 5 mph H 98%30.09 inHg

8:00 AM

Fog

37° 💧 None 💨 6 mph H 98%30.12 inHg

9:00 AM

Fog

41° 💧 None 💨 6 mph H 96%30.15 inHg

10:00 AM

Fog

46° 💧 None 💨 4 mph H 86%30.18 inHg

11:00 AM

Mostly sunny

50° 💧 0.000 in 💨 8 mph H 62%30.18 inHg

12:00 PM

Mostly cloudy

53° 💧 0.000 in 💨 10 mph H 51%30.18 inHg

1:00 PM

Mostly cloudy

54° 💧 None 💨 11 mph H 46%30.18 inHg

2:00 PM

Mostly sunny

55° 💧 None 💨 11 mph H 43%30.21 inHg

3:00 PM

Mostly sunny

55° 💧 None 💨 10 mph H 41%30.21 inHg

4:00 PM

Sunny

55° 💧 None 💨 10 mph H 39%30.21 inHg

5:00 PM

Sunny

54° 💧 None 💨 9 mph H 41%30.24 inHg

6:00 PM

Mostly sunny

53° 💧 None 💨 8 mph H 42%30.24 inHg

7:00 PM

Mostly cloudy

52° 💧 None 💨 7 mph H 45%30.27 inHg

8:00 PM

Overcast

47° 💧 None 💨 3 mph H 57%30.27 inHg

9:00 PM

Overcast night

45° 💧 None 💨 2 mph H 64%30.30 inHg

10:00 PM

Overcast night

42° 💧 None 💨 3 mph H 73%30.33 inHg

11:00 PM

Overcast night

41° 💧 None 💨 3 mph H 80%30.33 inHg

Thursday

12:00 AM

Mostly cloudy night

41° 💧 0.000 in 💨 3 mph H 81%30.36 inHg

1:00 AM

Mostly cloudy night

39° 💧 None 💨 3 mph H 84%30.36 inHg

2:00 AM

Overcast night

37° 💧 None 💨 3 mph H 87%30.36 inHg

3:00 AM

Mostly cloudy night

37° 💧 None 💨 2 mph H 90%30.36 inHg

4:00 AM

Overcast night

36° 💧 None 💨 2 mph H 92%30.39 inHg

5:00 AM

Overcast night

37° 💧 None 💨 2 mph H 94%30.39 inHg

6:00 AM

Overcast night

38° 💧 None 💨 2 mph H 90%30.42 inHg

7:00 AM

Overcast

39° 💧 0.000 in 💨 2 mph H 88%30.42 inHg

8:00 AM

Overcast

40° 💧 0.001 in 💨 3 mph H 88%30.42 inHg

9:00 AM

Mostly cloudy

41° 💧 0.000 in 💨 3 mph H 87%30.45 inHg

10:00 AM

Mostly cloudy

45° 💧 0.000 in 💨 1 mph H 75%30.42 inHg

11:00 AM

Mostly cloudy

48° 💧 None 💨 1 mph H 66%30.42 inHg

12:00 PM

Mostly cloudy

50° 💧 0.000 in 💨 0 mph H 62%30.42 inHg

1:00 PM

Mostly cloudy

53° 💧 None 💨 1 mph H 56%30.42 inHg

2:00 PM

Overcast

53° 💧 None 💨 1 mph H 55%30.39 inHg

3:00 PM

Overcast

54° 💧 None 💨 1 mph H 54%30.39 inHg

4:00 PM

Mostly cloudy

55° 💧 None 💨 1 mph H 53%30.39 inHg

7:00 PM

Mostly cloudy

53° 💧 None 💨 3 mph H 65%30.39 inHg

10:00 PM

Overcast night

46° 💧 None 💨 2 mph H 80%30.39 inHg

Friday

1:00 AM

Overcast night

44° 💧 None 💨 0 mph H 82%30.39 inHg

4:00 AM

Partly cloudy night

43° 💧 None 💨 1 mph H 86%30.36 inHg

7:00 AM

Mostly sunny

40° 💧 None 💨 1 mph H 94%30.36 inHg

10:00 AM

Mostly sunny

46° 💧 None 💨 1 mph H 86%30.33 inHg

1:00 PM

Sunny

55° 💧 None 💨 3 mph H 61%30.24 inHg

4:00 PM

Partly cloudy

63° 💧 None 💨 3 mph H 44%30.15 inHg

7:00 PM

Mostly cloudy

61° 💧 None 💨 7 mph H 49%30.09 inHg

10:00 PM

Overcast night

50° 💧 None 💨 4 mph H 76%30.09 inHg

Saturday

1:00 AM

Mostly cloudy night

47° 💧 None 💨 2 mph H 88%30.09 inHg

4:00 AM

Overcast night

48° 💧 None 💨 6 mph H 80%30.06 inHg

7:00 AM

Overcast night

47° 💧 None 💨 3 mph H 86%30.03 inHg

10:00 AM

Light rain

49° 💧 None 💨 1 mph H 82%30.03 inHg

1:00 PM

Overcast

53° 💧 None 💨 1 mph H 75%30.00 inHg

4:00 PM

Moderate rain

52° 💧 None 💨 4 mph H 94%30.00 inHg

7:00 PM

Light rain

48° 💧 None 💨 2 mph H 98%30.03 inHg

10:00 PM

Partly cloudy night

45° 💧 None 💨 5 mph H 94%30.06 inHg

Sunday

1:00 AM

Mostly clear night

41° 💧 None 💨 4 mph H 91%30.09 inHg

4:00 AM

Mostly clear night

39° 💧 None 💨 3 mph H 93%30.15 inHg

7:00 AM

Mostly clear night

38° 💧 None 💨 4 mph H 92%30.18 inHg

10:00 AM

Mostly sunny

44° 💧 None 💨 2 mph H 88%30.18 inHg

1:00 PM

Sunny

52° 💧 None 💨 2 mph H 53%30.15 inHg

4:00 PM

Mostly sunny

56° 💧 None 💨 1 mph H 41%30.12 inHg

10:00 PM

Clear night

44° 💧 None 💨 4 mph H 69%30.18 inHg

Monday

4:00 AM

Partly cloudy night

38° 💧 None 💨 2 mph H 85%30.27 inHg

10:00 AM

Overcast

45° 💧 None 💨 4 mph H 79%30.30 inHg

4:00 PM

Partly cloudy

54° 💧 None 💨 2 mph H 41%30.27 inHg

10:00 PM

Mostly clear night

42° 💧 None 💨 2 mph H 68%30.30 inHg

Tuesday

4:00 AM

Partly cloudy night

38° 💧 None 💨 1 mph H 91%30.39 inHg

10:00 AM

Overcast

42° 💧 None 💨 3 mph H 87%30.42 inHg

4:00 PM

Mostly cloudy

54° 💧 None 💨 4 mph H 46%30.30 inHg

10:00 PM

Overcast night

44° 💧 None 💨 3 mph H 74%30.27 inHg

Wednesday

4:00 AM

Partly cloudy night

39° 💧 None 💨 2 mph H 86%30.30 inHg

10:00 AM

Mostly cloudy

44° 💧 None 💨 2 mph H 79%30.27 inHg

4:00 PM

Mostly cloudy

55° 💧 None 💨 13 mph H 47%30.09 inHg

10:00 PM

Light rain

46° 💧 None 💨 3 mph H 75%30.15 inHg

Thursday

4:00 AM

Mostly cloudy night

41° 💧 None 💨 4 mph H 97%30.18 inHg

10:00 AM

Overcast

43° 💧 None 💨 0 mph H 95%30.15 inHg

4:00 PM

Overcast

53° 💧 None 💨 1 mph H 59%29.97 inHg

10:00 PM

Light rain

45° 💧 None 💨 3 mph H 96%29.88 inHg

Friday

4:00 AM

Overcast night

43° 💧 None 💨 1 mph H 95%29.77 inHg

10:00 AM

Mostly cloudy

47° 💧 None 💨 7 mph H 80%29.62 inHg

4:00 PM

Partly cloudy

52° 💧 None 💨 10 mph H 67%29.53 inHg

10:00 PM

Partly cloudy night

42° 💧 None 💨 5 mph H 85%29.59 inHg

Saturday

4:00 AM

Light rain

41° 💧 None 💨 6 mph H 96%29.62 inHg

10:00 AM

Mostly cloudy

42° 💧 None 💨 3 mph H 97%29.68 inHg

4:00 PM

Mostly cloudy

51° 💧 None 💨 10 mph H 52%29.62 inHg

10:00 PM

Overcast night

42° 💧 None 💨 7 mph H 72%29.59 inHg

Sunday

4:00 AM

Light rain

39° 💧 None 💨 6 mph H 85%29.59 inHg

10:00 AM

Partly cloudy

39° 💧 None 💨 1 mph H 97%29.59 inHg

4:00 PM

Light rain

52° 💧 None 💨 3 mph H 49%29.59 inHg

10:00 PM

Light rain

39° 💧 None 💨 2 mph H 95%29.77 inHg

Monday

4:00 AM

Light rain

36° 💧 None 💨 2 mph H 98%29.97 inHg

10:00 AM

Mostly cloudy

35° 💧 None 💨 6 mph H 90%30.09 inHg

4:00 PM

Overcast

38° 💧 None 💨 10 mph H 52%30.24 inHg

10:00 PM

Clear night

31° 💧 None 💨 9 mph H 69%30.42 inHg

Tuesday

4:00 AM

Clear night

30° 💧 None 💨 8 mph H 78%30.56 inHg

10:00 AM

Sunny

35° 💧 None 💨 4 mph H 63%30.68 inHg

4:00 PM

Sunny

43° 💧 None 💨 2 mph H 42%30.65 inHg

In Mendeltna and, more broadly, across the state of Alaska: This evening will feature mostly cloudy skies with cool temperatures holding steady around 55 degrees. Light west winds at about 2 mph with gusts up to 2 mph are expected. A small chance of rain persists through the night, with an estimated accumulation of around 0.01 inches and a maximum probability of about 22%. Conditions are generally calm, but the possibility of light sprinkles cannot be ruled out. Temperatures will remain steady into the early hours, maintaining a cool and cloudy night.

15-Day Weather Outlook for Mendeltna

TomorrowTomorrow

Overcast 55°/36° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 55°/36° 💧 None 💨 10 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 55°/40° 💧 0.261 in 💨 3 mph

Saturday, Sep 12Sat Sep 12

Light rain 63°/47° 💧 0.018 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 52°/38° 💧 0.470 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Overcast 56°/38° 💧 0.005 in 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 54°/38° 💧 0.005 in 💨 3 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 54°/39° 💧 None 💨 4 mph

Thursday, Sep 17Thu Sep 17

Light rain 55°/41° 💧 0.044 in 💨 13 mph

Friday, Sep 18Fri Sep 18

Light rain 53°/43° 💧 0.061 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Light rain 52°/41° 💧 0.270 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Light rain 51°/39° 💧 0.076 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Light rain 52°/35° 💧 0.514 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Overcast 38°/30° 💧 0.045 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Sunny 43°/43° 💧 None 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mendeltna

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mendeltna

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 4:00 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 2,0µg/m³

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

O₃ Ozone Good 58,0µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Mendeltna

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 2,0Low 😊Good

Tomorrow UV 2,0Low 🙂Fair

Thursday UV 2,5Low 🙂Fair

Friday UV 2,8Low 🙂Fair

Saturday UV 3,0Moderate 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 3,0Moderate —Unavailable

Hourly UV index today

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

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MENDELTNA, ALASKA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

4/100Best-hour score

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

☁ Cloud cover 99% Real hourly forecast for the best viewing hour.

☾ Moonlight 12% Waning Crescent · Moon about 5° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 62° 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.

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Forecast data for Mendeltna were last refreshed today at 3:19 AM. The current forecast period extends through 10/09/2026 at 1:00 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.