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Current weather in Kupreanof is overcast clouds.

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Now · 1:58 AM

Kupreanof Weather & Hourly Forecast

United States · Alaska · 99833

45°F

Overcast night

Feels like: 38°F

💧 Humidity 89% 🌡 Pressure 29.83 inHg 💨 Wind 11 mph 👁 Visibility 6.5 mi ☁ Clouds 95% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:38 AM 🌇 Sunset 6:50 PM

Hourly Forecast for Kupreanof

Today

2:00 AM

Overcast night

45° 💧 0.031 in 💨 11 mph H 89%29.83 inHg

5:00 AM

Light rain

44° 💧 0.029 in 💨 9 mph H 91%29.85 inHg

8:00 AM

Light rain

46° 💧 0.012 in 💨 10 mph H 89%29.88 inHg

11:00 AM

Overcast

50° 💧 0.040 in 💨 12 mph H 73%29.91 inHg

2:00 PM

Light rain

50° 💧 0.096 in 💨 9 mph H 81%29.91 inHg

5:00 PM

Light rain

48° 💧 0.127 in 💨 9 mph H 87%29.94 inHg

8:00 PM

Overcast night

46° 💧 0.004 in 💨 9 mph H 88%29.94 inHg

11:00 PM

Overcast night

47° 💧 0.001 in 💨 9 mph H 81%29.97 inHg

Tomorrow

2:00 AM

Partly cloudy night

46° 💧 0.004 in 💨 8 mph H 84%30.00 inHg

5:00 AM

Mostly cloudy night

44° 💧 0.001 in 💨 7 mph H 84%30.00 inHg

8:00 AM

Mostly sunny

46° 💧 None 💨 7 mph H 76%30.03 inHg

11:00 AM

Partly cloudy

52° 💧 0.007 in 💨 10 mph H 61%30.03 inHg

2:00 PM

Light rain

54° 💧 0.007 in 💨 9 mph H 57%30.00 inHg

5:00 PM

Mostly sunny

54° 💧 None 💨 6 mph H 57%29.97 inHg

8:00 PM

Clear night

47° 💧 None 💨 2 mph H 80%29.97 inHg

11:00 PM

Mostly clear night

43° 💧 0.000 in 💨 1 mph H 91%29.97 inHg

Today

2:00 AM

Overcast night

45° 💧 0.003 in 💨 11 mph H 89%29.83 inHg

3:00 AM

Light rain

45° 💧 0.012 in 💨 10 mph H 91%29.85 inHg

4:00 AM

Light rain

44° 💧 0.016 in 💨 9 mph H 90%29.85 inHg

5:00 AM

Light rain

44° 💧 0.020 in 💨 9 mph H 91%29.85 inHg

6:00 AM

Light rain

45° 💧 0.006 in 💨 9 mph H 91%29.85 inHg

7:00 AM

Mostly cloudy

45° 💧 0.003 in 💨 10 mph H 90%29.85 inHg

8:00 AM

Light rain

46° 💧 0.005 in 💨 10 mph H 89%29.88 inHg

9:00 AM

Light rain

47° 💧 0.005 in 💨 9 mph H 88%29.88 inHg

10:00 AM

Mostly cloudy

49° 💧 0.002 in 💨 9 mph H 80%29.91 inHg

11:00 AM

Overcast

50° 💧 0.004 in 💨 12 mph H 73%29.91 inHg

12:00 PM

Light rain

51° 💧 0.007 in 💨 12 mph H 71%29.91 inHg

1:00 PM

Light rain

49° 💧 0.030 in 💨 11 mph H 79%29.91 inHg

2:00 PM

Light rain

50° 💧 0.022 in 💨 9 mph H 81%29.91 inHg

3:00 PM

Light rain

49° 💧 0.034 in 💨 11 mph H 81%29.91 inHg

4:00 PM

Light rain

49° 💧 0.040 in 💨 10 mph H 85%29.94 inHg

5:00 PM

Light rain

48° 💧 0.094 in 💨 9 mph H 87%29.94 inHg

6:00 PM

Light rain

47° 💧 0.012 in 💨 9 mph H 89%29.94 inHg

7:00 PM

Light rain

46° 💧 0.020 in 💨 7 mph H 90%29.94 inHg

8:00 PM

Overcast night

46° 💧 0.002 in 💨 9 mph H 88%29.94 inHg

9:00 PM

Mostly cloudy night

46° 💧 0.002 in 💨 8 mph H 86%29.97 inHg

10:00 PM

Overcast night

46° 💧 None 💨 9 mph H 83%29.97 inHg

11:00 PM

Overcast night

47° 💧 0.001 in 💨 9 mph H 81%29.97 inHg

Tomorrow

12:00 AM

Overcast night

47° 💧 0.000 in 💨 9 mph H 79%29.97 inHg

1:00 AM

Mostly cloudy night

46° 💧 0.000 in 💨 8 mph H 81%29.97 inHg

2:00 AM

Partly cloudy night

46° 💧 0.001 in 💨 8 mph H 84%30.00 inHg

3:00 AM

Partly cloudy night

45° 💧 0.001 in 💨 7 mph H 86%30.00 inHg

4:00 AM

Mostly cloudy night

45° 💧 0.002 in 💨 7 mph H 86%30.00 inHg

5:00 AM

Mostly cloudy night

44° 💧 0.001 in 💨 7 mph H 84%30.00 inHg

6:00 AM

Mostly cloudy night

44° 💧 None 💨 6 mph H 81%30.00 inHg

7:00 AM

Mostly sunny

44° 💧 None 💨 7 mph H 79%30.00 inHg

8:00 AM

Mostly sunny

46° 💧 None 💨 7 mph H 76%30.03 inHg

9:00 AM

Mostly sunny

49° 💧 None 💨 8 mph H 70%30.03 inHg

10:00 AM

Mostly sunny

51° 💧 None 💨 9 mph H 64%30.03 inHg

11:00 AM

Partly cloudy

52° 💧 0.000 in 💨 10 mph H 61%30.03 inHg

12:00 PM

Partly cloudy

53° 💧 0.002 in 💨 10 mph H 59%30.03 inHg

1:00 PM

Partly cloudy

54° 💧 0.004 in 💨 9 mph H 58%30.00 inHg

2:00 PM

Light rain

54° 💧 0.004 in 💨 9 mph H 57%30.00 inHg

3:00 PM

Mostly sunny

55° 💧 0.002 in 💨 8 mph H 57%30.00 inHg

4:00 PM

Mostly sunny

55° 💧 None 💨 7 mph H 56%30.00 inHg

5:00 PM

Mostly sunny

54° 💧 None 💨 6 mph H 57%29.97 inHg

6:00 PM

Mostly sunny

52° 💧 None 💨 4 mph H 64%29.97 inHg

7:00 PM

Clear night

49° 💧 None 💨 3 mph H 73%29.97 inHg

8:00 PM

Clear night

47° 💧 None 💨 2 mph H 80%29.97 inHg

9:00 PM

Clear night

45° 💧 None 💨 1 mph H 87%29.97 inHg

10:00 PM

Mostly clear night

44° 💧 None 💨 0 mph H 89%29.97 inHg

11:00 PM

Mostly clear night

43° 💧 None 💨 1 mph H 91%29.97 inHg

Friday

12:00 AM

Partly cloudy night

42° 💧 0.000 in 💨 1 mph H 94%29.97 inHg

1:00 AM

Partly cloudy night

42° 💧 None 💨 1 mph H 96%29.97 inHg

2:00 AM

Partly cloudy night

41° 💧 None 💨 1 mph H 97%29.97 inHg

3:00 AM

Partly cloudy night

41° 💧 None 💨 1 mph H 97%29.97 inHg

4:00 AM

Partly cloudy night

41° 💧 None 💨 1 mph H 98%29.94 inHg

5:00 AM

Mostly cloudy night

40° 💧 None 💨 1 mph H 98%29.94 inHg

6:00 AM

Mostly cloudy night

40° 💧 None 💨 1 mph H 97%29.94 inHg

7:00 AM

Mostly cloudy

40° 💧 None 💨 0 mph H 97%29.94 inHg

8:00 AM

Mostly cloudy

42° 💧 0.000 in 💨 1 mph H 96%29.94 inHg

9:00 AM

Fog

46° 💧 None 💨 1 mph H 87%29.94 inHg

10:00 AM

Fog

50° 💧 None 💨 1 mph H 71%29.94 inHg

11:00 AM

Sunny

53° 💧 None 💨 2 mph H 57%29.94 inHg

12:00 PM

Sunny

55° 💧 None 💨 2 mph H 54%29.94 inHg

1:00 PM

Sunny

56° 💧 None 💨 2 mph H 49%29.94 inHg

2:00 PM

Sunny

57° 💧 None 💨 3 mph H 45%29.94 inHg

3:00 PM

Sunny

58° 💧 None 💨 3 mph H 43%29.91 inHg

4:00 PM

Sunny

57° 💧 None 💨 4 mph H 43%29.91 inHg

7:00 PM

Clear night

48° 💧 None 💨 2 mph H 71%29.94 inHg

10:00 PM

Clear night

43° 💧 None 💨 2 mph H 92%29.97 inHg

Saturday

1:00 AM

Partly cloudy night

41° 💧 None 💨 1 mph H 99%30.00 inHg

4:00 AM

Overcast night

41° 💧 None 💨 1 mph H 100%30.03 inHg

7:00 AM

Overcast

39° 💧 None 💨 1 mph H 100%30.06 inHg

10:00 AM

Partly cloudy

48° 💧 None 💨 2 mph H 86%30.06 inHg

1:00 PM

Light rain

55° 💧 None 💨 6 mph H 60%30.06 inHg

4:00 PM

Sunny

56° 💧 None 💨 3 mph H 54%30.03 inHg

7:00 PM

Mostly clear night

47° 💧 None 💨 2 mph H 82%30.03 inHg

10:00 PM

Partly cloudy night

44° 💧 None 💨 3 mph H 92%30.03 inHg

Sunday

1:00 AM

Overcast night

46° 💧 None 💨 4 mph H 90%30.03 inHg

4:00 AM

Overcast night

46° 💧 None 💨 4 mph H 96%30.00 inHg

7:00 AM

Overcast

45° 💧 None 💨 7 mph H 97%29.97 inHg

10:00 AM

Light rain

48° 💧 None 💨 10 mph H 93%29.94 inHg

1:00 PM

Light rain

50° 💧 None 💨 10 mph H 80%29.88 inHg

4:00 PM

Moderate rain

48° 💧 None 💨 10 mph H 97%29.85 inHg

7:00 PM

Moderate rain

48° 💧 None 💨 11 mph H 98%29.80 inHg

10:00 PM

Moderate rain

48° 💧 None 💨 12 mph H 97%29.74 inHg

Monday

1:00 AM

Moderate rain

47° 💧 None 💨 9 mph H 97%29.68 inHg

4:00 AM

Light rain

47° 💧 None 💨 9 mph H 97%29.65 inHg

7:00 AM

Light rain

45° 💧 None 💨 6 mph H 96%29.65 inHg

10:00 AM

Mostly cloudy

50° 💧 None 💨 7 mph H 91%29.65 inHg

1:00 PM

Partly cloudy

55° 💧 None 💨 7 mph H 66%29.65 inHg

4:00 PM

Mostly sunny

50° 💧 None 💨 1 mph H 95%29.65 inHg

10:00 PM

Mostly clear night

45° 💧 None 💨 3 mph H 92%29.53 inHg

Tuesday

4:00 AM

Light rain

42° 💧 None 💨 1 mph H 98%29.47 inHg

10:00 AM

Overcast

47° 💧 None 💨 5 mph H 97%29.53 inHg

4:00 PM

Moderate rain

48° 💧 None 💨 6 mph H 96%29.59 inHg

10:00 PM

Mostly cloudy night

44° 💧 None 💨 3 mph H 98%29.68 inHg

Wednesday

4:00 AM

Overcast night

44° 💧 None 💨 3 mph H 99%29.80 inHg

10:00 AM

Overcast

47° 💧 None 💨 7 mph H 92%29.91 inHg

4:00 PM

Light rain

48° 💧 None 💨 6 mph H 96%29.94 inHg

10:00 PM

Light rain

46° 💧 None 💨 7 mph H 97%29.83 inHg

Thursday

4:00 AM

Light rain

45° 💧 None 💨 6 mph H 95%29.53 inHg

10:00 AM

Moderate rain

46° 💧 None 💨 21 mph H 92%29.23 inHg

4:00 PM

Moderate rain

47° 💧 None 💨 16 mph H 97%29.29 inHg

10:00 PM

Moderate rain

46° 💧 None 💨 10 mph H 99%29.53 inHg

Friday

4:00 AM

Light rain

45° 💧 None 💨 9 mph H 95%29.80 inHg

10:00 AM

Moderate rain

46° 💧 None 💨 7 mph H 95%29.94 inHg

4:00 PM

Light rain

48° 💧 None 💨 6 mph H 77%29.97 inHg

10:00 PM

Light rain

45° 💧 None 💨 9 mph H 97%29.88 inHg

Saturday

4:00 AM

Light rain

44° 💧 None 💨 12 mph H 95%29.65 inHg

10:00 AM

Moderate rain

43° 💧 None 💨 15 mph H 97%29.38 inHg

4:00 PM

Mostly sunny

50° 💧 None 💨 10 mph H 71%29.65 inHg

10:00 PM

Light rain

43° 💧 None 💨 7 mph H 98%29.80 inHg

Sunday

4:00 AM

Light rain

42° 💧 None 💨 4 mph H 98%29.85 inHg

10:00 AM

Partly cloudy

45° 💧 None 💨 3 mph H 97%29.91 inHg

4:00 PM

Light rain

48° 💧 None 💨 7 mph H 77%30.00 inHg

10:00 PM

Mostly clear night

41° 💧 None 💨 1 mph H 93%30.15 inHg

Monday

4:00 AM

Partly cloudy night

40° 💧 None 💨 1 mph H 98%30.21 inHg

10:00 AM

Overcast

43° 💧 None 💨 2 mph H 98%30.21 inHg

4:00 PM

Overcast

52° 💧 None 💨 4 mph H 49%30.09 inHg

10:00 PM

Overcast night

43° 💧 None 💨 1 mph H 86%30.06 inHg

Tuesday

4:00 AM

Overcast night

46° 💧 None 💨 2 mph H 69%29.97 inHg

10:00 AM

Overcast

51° 💧 None 💨 4 mph H 67%29.91 inHg

4:00 PM

Overcast

51° 💧 None 💨 4 mph H 90%29.80 inHg

10:00 PM

Overcast night

47° 💧 None 💨 1 mph H 72%29.65 inHg

Wednesday

4:00 AM

Mostly cloudy night

46° 💧 None 💨 1 mph H 67%29.47 inHg

10:00 AM

Overcast

55° 💧 None 💨 8 mph H 57%29.41 inHg

4:00 PM

Overcast

53° 💧 None 💨 13 mph H 94%29.38 inHg

In Kupreanof and, more broadly, across the state of Alaska: Tonight will be mostly cloudy with temperatures remaining cool, ranging from 51 to 53 degrees Fahrenheit. Light northwest winds will persist, generally around 5 mph, with occasional gusts up to 11 mph. No significant rainfall is expected during the evening hours, so dry conditions will continue through the night. Temperatures are expected to stay steady, providing a relatively mild night despite the cloud cover. The breeze will remain gentle, ensuring a calm and quiet evening for outdoor activities or rest.

15-Day Weather Outlook for Kupreanof

TomorrowTomorrow

Overcast 55°/43° 💧 None 💨 10 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 58°/40° 💧 0.614 in 💨 4 mph

Saturday, Sep 26Sat Sep 26

Light rain 56°/39° 💧 0.013 in 💨 6 mph

Sunday, Sep 27Sun Sep 27

Moderate rain 50°/45° 💧 0.489 in 💨 12 mph

Monday, Sep 28Mon Sep 28

Moderate rain 55°/45° 💧 0.595 in 💨 9 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 48°/42° 💧 0.410 in 💨 6 mph

Wednesday, Sep 30Wed Sep 30

Light rain 48°/44° 💧 0.365 in 💨 7 mph

Thursday, Oct 1Thu Oct 1

Moderate rain 47°/45° 💧 1.651 in 💨 21 mph

Friday, Oct 2Fri Oct 2

Moderate rain 48°/45° 💧 0.706 in 💨 9 mph

Saturday, Oct 3Sat Oct 3

Moderate rain 50°/43° 💧 0.830 in 💨 15 mph

Sunday, Oct 4Sun Oct 4

Light rain 48°/41° 💧 0.525 in 💨 7 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 52°/40° 💧 None 💨 4 mph

Tuesday, Oct 6Tue Oct 6

Overcast 51°/46° 💧 0.093 in 💨 4 mph

Wednesday, Oct 7Wed Oct 7

Overcast 55°/46° 💧 0.071 in 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Kupreanof

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Kupreanof

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 AM

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

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

O₃ Ozone Fair 77,7µg/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 acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Kupreanof

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 0,9Low 🙂Fair

Tomorrow UV 1,1Low 🙂Fair

Friday UV 2,1Low 🙂Fair

Saturday UV 1,7Low 🙂Fair

Sunday UV 2,0Low 🙂Fair

Monday UV 2,0Low —Unavailable

Tuesday UV 3,0Moderate —Unavailable

Hourly UV index today

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

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 Kupreanof

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KUPREANOF, ALASKA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

26/100Best-hour score

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

☁ Cloud cover 95% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon about 4° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 41° 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 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Kupreanof were last refreshed today at 1:58 AM. The current forecast period extends through 24/09/2026 at 11:00 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.