What is the weather in Keaau right now?

Current weather in Keaau is light rain.

Where can I find the hourly weather forecast for Keaau?

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

Is the weather forecast for Keaau updated regularly?

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

Now · 1:45 PM

Keaau Weather & Hourly Forecast

United States · Hawaii · 96749

74°F

Light rain

Feels like: 77°F

💧 Humidity 83% 🌡 Pressure 29.88 inHg 💨 Wind 6 mph 👁 Visibility ☁ Clouds 86% ☀️ UV index 8.2 · Very high 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Keaau

Today

2:00 PM

Light rain

74° 💧 None 💨 6 mph H 83%29.88 inHg

11:00 PM

Light rain

69° 💧 None 💨 3 mph H 93%29.97 inHg

Tomorrow

8:00 AM

Partly cloudy

72° 💧 None 💨 4 mph H 85%29.94 inHg

5:00 PM

Light rain

71° 💧 None 💨 5 mph H 95%29.91 inHg

Sunday

2:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 98%29.94 inHg

11:00 AM

Light rain

74° 💧 None 💨 7 mph H 84%29.97 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 6 mph H 84%29.97 inHg

Monday

5:00 AM

Mostly clear night

67° 💧 None 💨 7 mph H 88%29.91 inHg

2:00 PM

Partly cloudy

82° 💧 None 💨 8 mph H 64%29.88 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 6 mph H 87%29.97 inHg

Tuesday

8:00 AM

Light rain

76° 💧 None 💨 4 mph H 81%29.97 inHg

5:00 PM

Moderate rain

76° 💧 None 💨 4 mph H 96%29.88 inHg

Wednesday

2:00 AM

Partly cloudy night

71° 💧 None 💨 5 mph H 98%29.94 inHg

11:00 AM

Light rain

80° 💧 None 💨 7 mph H 78%30.00 inHg

8:00 PM

Light rain

73° 💧 None 💨 6 mph H 98%30.00 inHg

Thursday

8:00 AM

Light rain

72° 💧 None 💨 7 mph H 98%30.00 inHg

Today

2:00 PM

Light rain

74° 💧 None 💨 6 mph H 83%29.88 inHg

5:00 PM

Light rain

73° 💧 None 💨 5 mph H 84%29.88 inHg

8:00 PM

Overcast night

70° 💧 None 💨 4 mph H 95%29.94 inHg

11:00 PM

Light rain

69° 💧 None 💨 3 mph H 93%29.97 inHg

Tomorrow

2:00 AM

Partly cloudy night

68° 💧 None 💨 3 mph H 92%29.94 inHg

5:00 AM

Partly cloudy night

68° 💧 None 💨 3 mph H 94%29.91 inHg

8:00 AM

Partly cloudy

72° 💧 None 💨 4 mph H 85%29.94 inHg

11:00 AM

Mostly cloudy

75° 💧 None 💨 5 mph H 77%29.94 inHg

2:00 PM

Light rain

75° 💧 None 💨 7 mph H 81%29.91 inHg

5:00 PM

Light rain

71° 💧 None 💨 5 mph H 95%29.91 inHg

8:00 PM

Light rain

70° 💧 None 💨 5 mph H 99%29.94 inHg

11:00 PM

Light rain

68° 💧 None 💨 6 mph H 98%29.97 inHg

Sunday

2:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 98%29.94 inHg

5:00 AM

Partly cloudy night

67° 💧 None 💨 6 mph H 97%29.91 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 6 mph H 95%29.97 inHg

11:00 AM

Light rain

74° 💧 None 💨 7 mph H 84%29.97 inHg

2:00 PM

Overcast

76° 💧 None 💨 8 mph H 71%29.91 inHg

5:00 PM

Partly cloudy

74° 💧 None 💨 8 mph H 74%29.91 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 6 mph H 84%29.97 inHg

11:00 PM

Mostly clear night

69° 💧 None 💨 7 mph H 86%30.00 inHg

Monday

2:00 AM

Mostly clear night

68° 💧 None 💨 7 mph H 87%29.94 inHg

5:00 AM

Mostly clear night

67° 💧 None 💨 7 mph H 88%29.91 inHg

8:00 AM

Sunny

75° 💧 None 💨 7 mph H 76%29.97 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 7 mph H 61%29.94 inHg

2:00 PM

Partly cloudy

82° 💧 None 💨 8 mph H 64%29.88 inHg

5:00 PM

Partly cloudy

77° 💧 None 💨 8 mph H 77%29.88 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 6 mph H 94%29.94 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 6 mph H 87%29.97 inHg

Tuesday

2:00 AM

Mostly cloudy night

70° 💧 None 💨 5 mph H 84%29.91 inHg

5:00 AM

Overcast night

72° 💧 None 💨 6 mph H 82%29.91 inHg

8:00 AM

Light rain

76° 💧 None 💨 4 mph H 81%29.97 inHg

11:00 AM

Mostly sunny

82° 💧 None 💨 5 mph H 73%29.94 inHg

2:00 PM

Heavy rain

77° 💧 None 💨 2 mph H 91%29.91 inHg

5:00 PM

Moderate rain

76° 💧 None 💨 4 mph H 96%29.88 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 3 mph H 99%29.97 inHg

11:00 PM

Partly cloudy night

71° 💧 None 💨 3 mph H 98%29.97 inHg

Wednesday

2:00 AM

Partly cloudy night

71° 💧 None 💨 5 mph H 98%29.94 inHg

5:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 95%29.94 inHg

8:00 AM

Light rain

75° 💧 None 💨 3 mph H 93%30.00 inHg

11:00 AM

Light rain

80° 💧 None 💨 7 mph H 78%30.00 inHg

2:00 PM

Light rain

79° 💧 None 💨 8 mph H 82%29.94 inHg

5:00 PM

Light rain

76° 💧 None 💨 7 mph H 88%29.94 inHg

8:00 PM

Light rain

73° 💧 None 💨 6 mph H 98%30.00 inHg

11:00 PM

Light rain

72° 💧 None 💨 7 mph H 99%30.00 inHg

Thursday

2:00 AM

Light rain

71° 💧 None 💨 7 mph H 99%29.97 inHg

8:00 AM

Light rain

72° 💧 None 💨 7 mph H 98%30.00 inHg

2:00 PM

Light rain

79° 💧 None 💨 10 mph H 74%29.94 inHg

8:00 PM

Light rain

73° 💧 None 💨 8 mph H 95%30.00 inHg

Friday

2:00 AM

Light rain

70° 💧 None 💨 7 mph H 99%29.97 inHg

8:00 AM

Light rain

72° 💧 None 💨 8 mph H 98%30.00 inHg

2:00 PM

Light rain

80° 💧 None 💨 10 mph H 69%29.97 inHg

8:00 PM

Light rain

72° 💧 None 💨 7 mph H 95%30.03 inHg

Saturday

2:00 AM

Light rain

69° 💧 None 💨 6 mph H 98%30.00 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 7 mph H 91%30.03 inHg

2:00 PM

Light rain

80° 💧 None 💨 10 mph H 70%29.97 inHg

8:00 PM

Light rain

69° 💧 None 💨 8 mph H 99%30.03 inHg

Sunday

2:00 AM

Partly cloudy night

70° 💧 None 💨 7 mph H 98%30.03 inHg

8:00 AM

Mostly cloudy

73° 💧 None 💨 10 mph H 87%30.06 inHg

2:00 PM

Light rain

78° 💧 None 💨 16 mph H 70%29.97 inHg

8:00 PM

Overcast night

73° 💧 None 💨 10 mph H 75%30.03 inHg

Monday

2:00 AM

Light rain

67° 💧 None 💨 10 mph H 97%30.00 inHg

8:00 AM

Overcast

71° 💧 None 💨 11 mph H 89%30.00 inHg

2:00 PM

Overcast

77° 💧 None 💨 14 mph H 65%29.94 inHg

8:00 PM

Heavy rain

71° 💧 None 💨 10 mph H 100%29.97 inHg

Tuesday

2:00 AM

Moderate rain

72° 💧 None 💨 10 mph H 99%29.91 inHg

8:00 AM

Heavy rain

73° 💧 None 💨 13 mph H 100%29.91 inHg

2:00 PM

Very heavy rain

73° 💧 None 💨 28 mph H 99%29.65 inHg

8:00 PM

Light thunderstorms

74° 💧 None 💨 26 mph H 98%29.74 inHg

Wednesday

2:00 AM

Moderate rain

73° 💧 None 💨 14 mph H 98%29.83 inHg

8:00 AM

Overcast

73° 💧 None 💨 13 mph H 97%29.85 inHg

2:00 PM

Partly cloudy

83° 💧 None 💨 17 mph H 67%29.80 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 8 mph H 79%29.88 inHg

Thursday

2:00 AM

Mostly clear night

74° 💧 None 💨 9 mph H 79%29.85 inHg

8:00 AM

Sunny

79° 💧 None 💨 7 mph H 71%29.91 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 10 mph H 64%29.85 inHg

8:00 PM

Clear night

72° 💧 None 💨 5 mph H 98%29.94 inHg

Friday

2:00 AM

Mostly clear night

71° 💧 None 💨 5 mph H 95%29.94 inHg

8:00 AM

Sunny

77° 💧 None 💨 3 mph H 79%30.00 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 6 mph H 66%29.94 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 2 mph H 98%30.03 inHg

Saturday

2:00 AM

Light rain

72° 💧 None 💨 4 mph H 97%30.03 inHg

In Keaau and, more broadly, across the state of Hawaii: Skies will remain clear through the afternoon, with temperatures ranging from 78 to 81 degrees Fahrenheit. Expect mild to warm conditions, ideal for outdoor activities. Winds will be light and easterly, with speeds up to 7 mph and gusts reaching the same. No precipitation is anticipated for the rest of the day, providing a dry and pleasant weather pattern. Overall, it will be a calm and comfortable afternoon.

15-Day Weather Outlook for Keaau

TomorrowTomorrow

Light rain 75°/68° 💧 0.155 in 💨 6 mph

Sunday, Sep 13Sun Sep 13

Light rain 75°/67° 💧 0.326 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 81°/67° 💧 0.016 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Light rain 82°/70° 💧 0.043 in 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Heavy rain 80°/71° 💧 0.758 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 79°/71° 💧 0.325 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Light rain 79°/70° 💧 0.392 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Light rain 80°/69° 💧 0.225 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Light rain 80°/69° 💧 0.270 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Light rain 78°/67° 💧 0.189 in 💨 16 mph

Tuesday, Sep 22Tue Sep 22

Heavy rain 77°/71° 💧 2.892 in 💨 14 mph

Wednesday, Sep 23Wed Sep 23

Light thunderstorms 74°/73° 💧 12.199 in 💨 28 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 83°/74° 💧 0.044 in 💨 17 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 84°/71° 💧 0.002 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Light rain 84°/72° 💧 0.053 in 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Keaau

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Keaau

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 1,9µg/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 5,2µg/m³

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

O₃ Ozone Fair 69,6µg/m³

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

NO₂ Nitrogen dioxide Good 0,0µg/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 Keaau

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 9,2Very high 🙂Fair

Tomorrow UV 7,1High 🙂Fair

Sunday UV 10,9Very high 🙂Fair

Monday UV 12,4Extreme 🙂Fair

Tuesday UV 7,0High 🙂Fair

Wednesday UV 6,0High —Unavailable

Thursday UV 6,0High —Unavailable

Hourly UV index today

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

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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 Keaau

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KEAAU, HAWAII

Tonight's Stargazing & Shooting Stars

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

52/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 7:39 PM–4:53 AM

☁ Cloud cover 62% 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 56° 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 min52%

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 Keaau were last refreshed today at 1:45 PM. The current forecast period extends through 17/09/2026 at 8:00 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.