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Current weather in Kahaluu-Keauhou is clear sky.

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

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Now · 2:33 PM

Kahaluu-Keauhou Weather & Hourly Forecast

United States · Hawaii · 96740

78°F

Sunny

Feels like: 86°F

💧 Humidity 80% 🌡 Pressure 29.83 inHg 💨 Wind 2 mph 👁 Visibility ☁ Clouds 5% ☀️ UV index 10.6 · Very high 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Kahaluu-Keauhou

Today

5:00 PM

Sunny

79° 💧 None 💨 4 mph H 79%29.83 inHg

Tomorrow

2:00 AM

Clear night

80° 💧 None 💨 2 mph H 66%29.88 inHg

11:00 AM

Sunny

79° 💧 None 💨 4 mph H 75%29.91 inHg

8:00 PM

Clear night

81° 💧 None 💨 2 mph H 72%29.91 inHg

Wednesday

5:00 AM

Mostly clear night

78° 💧 None 💨 3 mph H 84%29.91 inHg

2:00 PM

Sunny

80° 💧 None 💨 5 mph H 77%29.88 inHg

11:00 PM

Clear night

81° 💧 None 💨 4 mph H 70%29.91 inHg

Thursday

8:00 AM

Sunny

81° 💧 None 💨 5 mph H 69%29.91 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 4 mph H 76%29.85 inHg

Friday

2:00 AM

Partly cloudy night

80° 💧 None 💨 8 mph H 82%29.88 inHg

11:00 AM

Partly cloudy

82° 💧 None 💨 6 mph H 75%29.94 inHg

8:00 PM

Overcast night

81° 💧 None 💨 6 mph H 77%29.94 inHg

Saturday

5:00 AM

Light rain

78° 💧 None 💨 5 mph H 78%29.91 inHg

2:00 PM

Overcast

80° 💧 None 💨 12 mph H 80%29.91 inHg

11:00 PM

Overcast night

79° 💧 None 💨 8 mph H 80%29.97 inHg

Sunday

2:00 PM

Mostly sunny

80° 💧 None 💨 6 mph H 79%29.94 inHg

Today

5:00 PM

Sunny

79° 💧 None 💨 4 mph H 79%29.83 inHg

8:00 PM

Clear night

80° 💧 None 💨 6 mph H 73%29.88 inHg

11:00 PM

Clear night

80° 💧 None 💨 4 mph H 69%29.91 inHg

Tomorrow

2:00 AM

Clear night

80° 💧 None 💨 2 mph H 66%29.88 inHg

5:00 AM

Clear night

78° 💧 None 💨 4 mph H 74%29.85 inHg

8:00 AM

Sunny

78° 💧 None 💨 1 mph H 76%29.88 inHg

11:00 AM

Sunny

79° 💧 None 💨 4 mph H 75%29.91 inHg

2:00 PM

Sunny

79° 💧 None 💨 7 mph H 78%29.85 inHg

5:00 PM

Sunny

80° 💧 None 💨 2 mph H 72%29.85 inHg

8:00 PM

Clear night

81° 💧 None 💨 2 mph H 72%29.91 inHg

11:00 PM

Mostly clear night

80° 💧 None 💨 3 mph H 76%29.94 inHg

Wednesday

2:00 AM

Mostly clear night

79° 💧 None 💨 4 mph H 78%29.91 inHg

5:00 AM

Mostly clear night

78° 💧 None 💨 3 mph H 84%29.91 inHg

8:00 AM

Sunny

79° 💧 None 💨 1 mph H 76%29.94 inHg

11:00 AM

Sunny

79° 💧 None 💨 3 mph H 80%29.97 inHg

2:00 PM

Sunny

80° 💧 None 💨 5 mph H 77%29.88 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 72%29.85 inHg

8:00 PM

Clear night

81° 💧 None 💨 2 mph H 72%29.91 inHg

11:00 PM

Clear night

81° 💧 None 💨 4 mph H 70%29.91 inHg

Thursday

2:00 AM

Clear night

81° 💧 None 💨 4 mph H 69%29.88 inHg

5:00 AM

Clear night

80° 💧 None 💨 2 mph H 76%29.85 inHg

8:00 AM

Sunny

81° 💧 None 💨 5 mph H 69%29.91 inHg

11:00 AM

Sunny

81° 💧 None 💨 6 mph H 68%29.94 inHg

2:00 PM

Sunny

82° 💧 None 💨 8 mph H 69%29.88 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 4 mph H 76%29.85 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 2 mph H 73%29.91 inHg

11:00 PM

Clear night

82° 💧 None 💨 7 mph H 75%29.94 inHg

Friday

2:00 AM

Partly cloudy night

80° 💧 None 💨 8 mph H 82%29.88 inHg

5:00 AM

Partly cloudy night

80° 💧 None 💨 5 mph H 83%29.88 inHg

8:00 AM

Overcast

81° 💧 None 💨 5 mph H 78%29.94 inHg

11:00 AM

Partly cloudy

82° 💧 None 💨 6 mph H 75%29.94 inHg

2:00 PM

Mostly cloudy

81° 💧 None 💨 11 mph H 80%29.88 inHg

5:00 PM

Light rain

80° 💧 None 💨 7 mph H 81%29.88 inHg

8:00 PM

Overcast night

81° 💧 None 💨 6 mph H 77%29.94 inHg

11:00 PM

Overcast night

78° 💧 None 💨 7 mph H 85%29.94 inHg

Saturday

2:00 AM

Overcast night

78° 💧 None 💨 8 mph H 88%29.91 inHg

5:00 AM

Light rain

78° 💧 None 💨 5 mph H 78%29.91 inHg

8:00 AM

Mostly cloudy

79° 💧 None 💨 6 mph H 77%29.94 inHg

11:00 AM

Overcast

80° 💧 None 💨 3 mph H 78%29.97 inHg

2:00 PM

Overcast

80° 💧 None 💨 12 mph H 80%29.91 inHg

5:00 PM

Overcast

80° 💧 None 💨 1 mph H 79%29.91 inHg

8:00 PM

Light rain

79° 💧 None 💨 9 mph H 79%29.97 inHg

11:00 PM

Overcast night

79° 💧 None 💨 8 mph H 80%29.97 inHg

Sunday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 7 mph H 85%29.94 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 1 mph H 71%29.97 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 6 mph H 79%29.94 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 4 mph H 70%29.97 inHg

Monday

2:00 AM

Overcast night

80° 💧 None 💨 3 mph H 79%29.94 inHg

8:00 AM

Sunny

81° 💧 None 💨 4 mph H 70%29.97 inHg

2:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 71%29.94 inHg

8:00 PM

Mostly clear night

83° 💧 None 💨 2 mph H 69%29.97 inHg

Tuesday

2:00 AM

Clear night

80° 💧 None 💨 5 mph H 81%29.97 inHg

8:00 AM

Mostly sunny

81° 💧 None 💨 2 mph H 74%30.00 inHg

2:00 PM

Partly cloudy

83° 💧 None 💨 8 mph H 73%29.94 inHg

8:00 PM

Light rain

81° 💧 None 💨 6 mph H 83%29.97 inHg

Wednesday

2:00 AM

Light rain

81° 💧 None 💨 3 mph H 83%29.94 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 2 mph H 84%29.97 inHg

2:00 PM

Moderate rain

79° 💧 None 💨 6 mph H 84%29.94 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 5 mph H 81%29.94 inHg

Thursday

2:00 AM

Overcast night

79° 💧 None 💨 1 mph H 81%29.94 inHg

8:00 AM

Light rain

78° 💧 None 💨 4 mph H 87%29.97 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 3 mph H 78%29.91 inHg

8:00 PM

Partly cloudy night

80° 💧 None 💨 5 mph H 77%29.94 inHg

Friday

2:00 AM

Light rain

78° 💧 None 💨 3 mph H 86%29.94 inHg

8:00 AM

Overcast

79° 💧 None 💨 0 mph H 78%29.94 inHg

2:00 PM

Mostly sunny

78° 💧 None 💨 5 mph H 83%29.91 inHg

8:00 PM

Light rain

80° 💧 None 💨 4 mph H 77%29.94 inHg

Saturday

2:00 AM

Overcast night

79° 💧 None 💨 5 mph H 81%29.94 inHg

8:00 AM

Mostly cloudy

80° 💧 None 💨 1 mph H 75%29.94 inHg

2:00 PM

Partly cloudy

78° 💧 None 💨 5 mph H 82%29.91 inHg

8:00 PM

Overcast night

80° 💧 None 💨 5 mph H 76%29.94 inHg

Sunday

2:00 AM

Overcast night

79° 💧 None 💨 4 mph H 78%29.91 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 6 mph H 73%29.94 inHg

2:00 PM

Mostly cloudy

80° 💧 None 💨 9 mph H 80%29.85 inHg

8:00 PM

Overcast night

80° 💧 None 💨 2 mph H 79%29.91 inHg

Monday

2:00 AM

Overcast night

79° 💧 None 💨 7 mph H 81%29.88 inHg

8:00 AM

Overcast

78° 💧 None 💨 7 mph H 82%29.94 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 7 mph H 86%29.88 inHg

8:00 PM

Overcast night

80° 💧 None 💨 5 mph H 78%29.91 inHg

Tuesday

2:00 AM

Mostly cloudy night

78° 💧 None 💨 2 mph H 86%29.91 inHg

In Kahaluu-Keauhou and, more broadly, across the state of Hawaii: The late afternoon and evening will feature clear skies with temperatures settling between 79 and 83 degrees Fahrenheit. Light northeast winds will prevail, generally around 6 mph, with occasional gusts up to 7 mph. No significant rainfall is anticipated during this time, making for calm and pleasant conditions as night approaches. Overall, expect a warm and tranquil evening with comfortable temperatures and gentle breezes.

15-Day Weather Outlook for Kahaluu-Keauhou

TomorrowTomorrow

Mostly sunny 81°/78° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 81°/78° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 82°/80° 💧 0.003 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Light rain 82°/78° 💧 0.092 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Light rain 80°/78° 💧 0.127 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 82°/79° 💧 0.002 in 💨 7 mph

Monday, Sep 21Mon Sep 21

Overcast 83°/80° 💧 0.001 in 💨 4 mph

Tuesday, Sep 22Tue Sep 22

Light rain 83°/80° 💧 0.025 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Moderate rain 81°/79° 💧 0.292 in 💨 6 mph

Thursday, Sep 24Thu Sep 24

Light rain 80°/78° 💧 0.093 in 💨 5 mph

Friday, Sep 25Fri Sep 25

Light rain 80°/78° 💧 0.097 in 💨 5 mph

Saturday, Sep 26Sat Sep 26

Overcast 80°/78° 💧 0.021 in 💨 5 mph

Sunday, Sep 27Sun Sep 27

Overcast 80°/79° 💧 0.005 in 💨 9 mph

Monday, Sep 28Mon Sep 28

Overcast 80°/78° 💧 0.009 in 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 78°/78° 💧 0.035 in 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Kahaluu-Keauhou

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Kahaluu-Keauhou

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 PM

PM2.5 Fine particles Fair 17,1µg/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 Fair 21,1µg/m³

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

O₃ Ozone Fair 61,3µg/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 Kahaluu-Keauhou

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 10,8Very high 🙂Fair

Tomorrow UV 12,3Extreme 😊Good

Wednesday UV 12,1Extreme 🙂Fair

Thursday UV 6,0High 🙂Fair

Friday UV 6,0High 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday UV 5,0Moderate —Unavailable

Hourly UV index today

3:00 PMUV 5,4 4:00 PMUV 2,6 5:00 PMUV 0,8 6:00 PMUV 0,1 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Kahaluu-Keauhou

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KAHALUU-KEAUHOU, HAWAII

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 7:40 PM–4:58 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 15% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 66° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min78%

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 Kahaluu-Keauhou were last refreshed today at 1:47 PM. The current forecast period extends through 20/09/2026 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.