What is the weather in Kapaa right now?

Current weather in Kapaa is light rain.

Where can I find the hourly weather forecast for Kapaa?

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

Is the weather forecast for Kapaa updated regularly?

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

Now · 8:43 PM

Kapaa Weather & Hourly Forecast

United States · Hawaii · 96746

81°F

Light rain

Feels like: 84°F

💧 Humidity 76% 🌡 Pressure 29.97 inHg 💨 Wind 12 mph 👁 Visibility ☁ Clouds 55% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:25 AM 🌇 Sunset 6:34 PM

Hourly Forecast for Kapaa

Today

11:00 PM

Light rain

80° 💧 None 💨 13 mph H 80%30.00 inHg

Tomorrow

8:00 AM

Light rain

79° 💧 None 💨 14 mph H 82%29.97 inHg

5:00 PM

Overcast

80° 💧 None 💨 17 mph H 77%29.88 inHg

Thursday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 15 mph H 77%29.91 inHg

11:00 AM

Partly cloudy

80° 💧 None 💨 17 mph H 73%29.91 inHg

8:00 PM

Overcast night

80° 💧 None 💨 18 mph H 73%29.88 inHg

Friday

5:00 AM

Light rain

79° 💧 None 💨 20 mph H 77%29.85 inHg

2:00 PM

Light rain

80° 💧 None 💨 20 mph H 79%29.85 inHg

11:00 PM

Light rain

80° 💧 None 💨 24 mph H 83%29.91 inHg

Saturday

8:00 AM

Light rain

81° 💧 None 💨 23 mph H 75%29.88 inHg

5:00 PM

Overcast

80° 💧 None 💨 27 mph H 83%29.83 inHg

Sunday

2:00 AM

Overcast night

80° 💧 None 💨 28 mph H 79%29.83 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 30 mph H 78%29.88 inHg

8:00 PM

Light rain

79° 💧 None 💨 29 mph H 81%29.85 inHg

Monday

5:00 AM

Mostly cloudy night

79° 💧 None 💨 28 mph H 78%29.85 inHg

8:00 PM

Overcast night

80° 💧 None 💨 17 mph H 80%29.91 inHg

Today

11:00 PM

Light rain

80° 💧 None 💨 13 mph H 80%30.00 inHg

Tomorrow

2:00 AM

Light rain

79° 💧 None 💨 12 mph H 82%29.94 inHg

5:00 AM

Mostly clear night

80° 💧 None 💨 11 mph H 82%29.94 inHg

8:00 AM

Light rain

79° 💧 None 💨 14 mph H 82%29.97 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 16 mph H 80%29.97 inHg

2:00 PM

Mostly cloudy

80° 💧 None 💨 15 mph H 77%29.91 inHg

5:00 PM

Overcast

80° 💧 None 💨 17 mph H 77%29.88 inHg

8:00 PM

Overcast night

80° 💧 None 💨 16 mph H 77%29.94 inHg

11:00 PM

Mostly clear night

80° 💧 None 💨 16 mph H 77%29.94 inHg

Thursday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 15 mph H 77%29.91 inHg

5:00 AM

Mostly cloudy night

79° 💧 None 💨 16 mph H 78%29.88 inHg

8:00 AM

Mostly cloudy

79° 💧 None 💨 18 mph H 75%29.91 inHg

11:00 AM

Partly cloudy

80° 💧 None 💨 17 mph H 73%29.91 inHg

2:00 PM

Mostly cloudy

80° 💧 None 💨 18 mph H 73%29.88 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 18 mph H 73%29.85 inHg

8:00 PM

Overcast night

80° 💧 None 💨 18 mph H 73%29.88 inHg

11:00 PM

Mostly cloudy night

80° 💧 None 💨 17 mph H 72%29.91 inHg

Friday

2:00 AM

Light rain

78° 💧 None 💨 19 mph H 81%29.88 inHg

5:00 AM

Light rain

79° 💧 None 💨 20 mph H 77%29.85 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 20 mph H 75%29.88 inHg

11:00 AM

Light rain

79° 💧 None 💨 22 mph H 82%29.91 inHg

2:00 PM

Light rain

80° 💧 None 💨 20 mph H 79%29.85 inHg

5:00 PM

Overcast

79° 💧 None 💨 24 mph H 83%29.85 inHg

8:00 PM

Light rain

80° 💧 None 💨 24 mph H 81%29.88 inHg

11:00 PM

Light rain

80° 💧 None 💨 24 mph H 83%29.91 inHg

Saturday

2:00 AM

Light rain

79° 💧 None 💨 22 mph H 82%29.85 inHg

5:00 AM

Moderate rain

79° 💧 None 💨 22 mph H 84%29.85 inHg

8:00 AM

Light rain

81° 💧 None 💨 23 mph H 75%29.88 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 25 mph H 81%29.88 inHg

2:00 PM

Mostly cloudy

81° 💧 None 💨 27 mph H 81%29.83 inHg

5:00 PM

Overcast

80° 💧 None 💨 27 mph H 83%29.83 inHg

8:00 PM

Light rain

80° 💧 None 💨 27 mph H 83%29.83 inHg

11:00 PM

Overcast night

81° 💧 None 💨 29 mph H 79%29.85 inHg

Sunday

2:00 AM

Overcast night

80° 💧 None 💨 28 mph H 79%29.83 inHg

5:00 AM

Moderate rain

79° 💧 None 💨 27 mph H 84%29.83 inHg

8:00 AM

Light rain

80° 💧 None 💨 29 mph H 83%29.85 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 30 mph H 78%29.88 inHg

2:00 PM

Overcast

80° 💧 None 💨 31 mph H 77%29.83 inHg

5:00 PM

Overcast

80° 💧 None 💨 26 mph H 76%29.83 inHg

8:00 PM

Light rain

79° 💧 None 💨 29 mph H 81%29.85 inHg

11:00 PM

Overcast night

80° 💧 None 💨 27 mph H 78%29.88 inHg

Monday

2:00 AM

Mostly cloudy night

80° 💧 None 💨 27 mph H 74%29.85 inHg

5:00 AM

Mostly cloudy night

79° 💧 None 💨 28 mph H 78%29.85 inHg

8:00 AM

Overcast

79° 💧 None 💨 26 mph H 78%29.88 inHg

2:00 PM

Light rain

80° 💧 None 💨 21 mph H 78%29.94 inHg

8:00 PM

Overcast night

80° 💧 None 💨 17 mph H 80%29.91 inHg

Tuesday

2:00 AM

Light rain

80° 💧 None 💨 14 mph H 79%29.97 inHg

8:00 AM

Light rain

79° 💧 None 💨 10 mph H 81%29.94 inHg

2:00 PM

Moderate rain

80° 💧 None 💨 13 mph H 76%29.97 inHg

8:00 PM

Light rain

79° 💧 None 💨 12 mph H 79%29.94 inHg

Wednesday

2:00 AM

Mostly clear night

80° 💧 None 💨 12 mph H 80%29.97 inHg

8:00 AM

Mostly sunny

79° 💧 None 💨 12 mph H 80%29.97 inHg

2:00 PM

Mostly sunny

79° 💧 None 💨 10 mph H 78%29.97 inHg

8:00 PM

Partly cloudy night

79° 💧 None 💨 13 mph H 80%29.94 inHg

Thursday

2:00 AM

Partly cloudy night

80° 💧 None 💨 12 mph H 77%29.97 inHg

8:00 AM

Partly cloudy

78° 💧 None 💨 9 mph H 78%29.94 inHg

2:00 PM

Light rain

77° 💧 None 💨 9 mph H 81%29.94 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 11 mph H 76%29.88 inHg

Friday

2:00 AM

Partly cloudy night

80° 💧 None 💨 6 mph H 70%29.94 inHg

8:00 AM

Overcast

75° 💧 None 💨 2 mph H 100%29.91 inHg

2:00 PM

Partly cloudy

76° 💧 None 💨 3 mph H 98%29.94 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 7 mph H 74%29.88 inHg

Saturday

2:00 AM

Mostly clear night

79° 💧 None 💨 2 mph H 72%29.91 inHg

8:00 AM

Overcast

75° 💧 None 💨 2 mph H 100%29.91 inHg

2:00 PM

Partly cloudy

76° 💧 None 💨 3 mph H 96%29.97 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 5 mph H 70%29.88 inHg

Sunday

2:00 AM

Mostly clear night

80° 💧 None 💨 0 mph H 72%29.94 inHg

8:00 AM

Overcast

75° 💧 None 💨 2 mph H 100%29.91 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 3 mph H 86%29.94 inHg

8:00 PM

Light rain

81° 💧 None 💨 3 mph H 70%29.88 inHg

Monday

2:00 AM

Mostly clear night

77° 💧 None 💨 4 mph H 85%29.91 inHg

8:00 AM

Overcast

75° 💧 None 💨 4 mph H 100%29.88 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 87%29.94 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 9 mph H 77%29.91 inHg

Tuesday

2:00 AM

Partly cloudy night

78° 💧 None 💨 11 mph H 81%29.94 inHg

8:00 AM

Partly cloudy

78° 💧 None 💨 11 mph H 74%29.94 inHg

2:00 PM

Mostly sunny

79° 💧 None 💨 12 mph H 74%29.97 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 11 mph H 72%29.94 inHg

Wednesday

2:00 AM

Light rain

79° 💧 None 💨 9 mph H 76%29.97 inHg

8:00 AM

Light rain

77° 💧 None 💨 5 mph H 83%29.97 inHg

In Kapaa and, more broadly, across the state of Hawaii: The evening will feature mostly cloudy skies with temperatures holding steady around 80 degrees Fahrenheit. Winds will be from the northeast at a moderate pace, reaching up to 13 mph, with gusts up to 17 mph. No precipitation is expected during the next few hours, so it should remain dry. Temperatures are expected to stay mild to warm, providing comfortable conditions as the night progresses. Residents can generally expect a calm evening with no significant weather disturbances.

15-Day Weather Outlook for Kapaa

TomorrowTomorrow

Light rain 80°/79° 💧 0.141 in 💨 17 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 80°/79° 💧 0.032 in 💨 18 mph

Friday, Sep 25Fri Sep 25

Light rain 80°/78° 💧 0.214 in 💨 24 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 81°/79° 💧 0.189 in 💨 29 mph

Sunday, Sep 27Sun Sep 27

Moderate rain 81°/79° 💧 0.225 in 💨 31 mph

Monday, Sep 28Mon Sep 28

Light rain 80°/79° 💧 0.726 in 💨 28 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 80°/79° 💧 0.524 in 💨 14 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 80°/79° 💧 0.135 in 💨 13 mph

Thursday, Oct 1Thu Oct 1

Light rain 80°/77° 💧 0.099 in 💨 12 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 80°/75° 💧 0.050 in 💨 7 mph

Saturday, Oct 3Sat Oct 3

Overcast 80°/75° 💧 0.001 in 💨 5 mph

Sunday, Oct 4Sun Oct 4

Light rain 81°/75° 💧 0.037 in 💨 3 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 79°/75° 💧 0.209 in 💨 9 mph

Tuesday, Oct 6Tue Oct 6

Partly cloudy 80°/78° 💧 0.007 in 💨 12 mph

Wednesday, Oct 7Wed Oct 7

Light rain 79°/77° 💧 0.053 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Kapaa

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Kapaa

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 PM

PM2.5 Fine particles Good 3,4µg/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 8,7µg/m³

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

O₃ Ozone Good 35,1µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/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 Kapaa

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 11,3Extreme 😊Good

Tomorrow UV 11,1Extreme 😊Good

Thursday UV 10,4Very high 🙂Fair

Friday UV 11,1Extreme 🙂Fair

Saturday UV 9,9Very high 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 6,0High —Unavailable

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

Extreme UV risk

Avoid direct sun around midday. Use SPF 50+ sunscreen, a hat, protective clothing and sunglasses.

Good air quality

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

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Kapaa

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KAPAA, HAWAII

Tonight's Stargazing & Shooting Stars

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

78/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 7:47 PM–5:12 AM

☁ Cloud cover 31% Real hourly forecast for the best viewing hour.

☾ Moonlight 90% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 73° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min67%

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 Kapaa were last refreshed today at 8:43 PM. The current forecast period extends through 28/09/2026 at 8:00 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.