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Current weather in Kailua is few clouds.

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

Is the weather forecast for Kailua updated regularly?

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

Now · 5:29 AM

Kailua Weather & Hourly Forecast

United States · Hawaii · 96740

73°F

Mostly clear night

Feels like: 77°F

💧 Humidity 74% 🌡 Pressure 29.94 inHg 💨 Wind 2 mph 👁 Visibility ☁ Clouds 33% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:11 AM 🌇 Sunset 6:21 PM

Hourly Forecast for Kailua

Today

8:00 AM

Partly cloudy

78° 💧 None 💨 0 mph H 65%29.97 inHg

5:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 63%29.88 inHg

Tomorrow

2:00 AM

Partly cloudy night

76° 💧 None 💨 2 mph H 77%29.94 inHg

11:00 AM

Light rain

80° 💧 None 💨 4 mph H 77%29.91 inHg

8:00 PM

Overcast night

76° 💧 None 💨 1 mph H 84%29.85 inHg

Thursday

5:00 AM

Mostly cloudy night

76° 💧 None 💨 2 mph H 84%29.80 inHg

2:00 PM

Moderate rain

74° 💧 None 💨 2 mph H 95%29.80 inHg

11:00 PM

Light rain

73° 💧 None 💨 1 mph H 87%29.80 inHg

Friday

8:00 AM

Moderate rain

75° 💧 None 💨 9 mph H 92%29.71 inHg

5:00 PM

Moderate rain

75° 💧 None 💨 3 mph H 86%29.68 inHg

Saturday

2:00 AM

Heavy rain

74° 💧 None 💨 3 mph H 90%29.62 inHg

11:00 AM

Very heavy rain

76° 💧 None 💨 7 mph H 93%29.71 inHg

8:00 PM

Moderate rain

75° 💧 None 💨 3 mph H 88%29.80 inHg

Sunday

5:00 AM

Moderate rain

75° 💧 None 💨 1 mph H 82%29.83 inHg

2:00 PM

Heavy rain

76° 💧 None 💨 3 mph H 90%29.85 inHg

Monday

2:00 AM

Light rain

75° 💧 None 💨 3 mph H 86%29.91 inHg

Today

8:00 AM

Partly cloudy

78° 💧 None 💨 0 mph H 65%29.97 inHg

11:00 AM

Partly cloudy

80° 💧 None 💨 5 mph H 69%29.97 inHg

2:00 PM

Mostly sunny

81° 💧 None 💨 7 mph H 67%29.88 inHg

5:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 63%29.88 inHg

8:00 PM

Partly cloudy night

77° 💧 None 💨 1 mph H 71%29.94 inHg

11:00 PM

Mostly cloudy night

76° 💧 None 💨 1 mph H 77%29.94 inHg

Tomorrow

2:00 AM

Partly cloudy night

76° 💧 None 💨 2 mph H 77%29.94 inHg

5:00 AM

Mostly cloudy night

75° 💧 None 💨 2 mph H 82%29.85 inHg

8:00 AM

Mostly cloudy

77° 💧 None 💨 3 mph H 80%29.91 inHg

11:00 AM

Light rain

80° 💧 None 💨 4 mph H 77%29.91 inHg

2:00 PM

Moderate rain

77° 💧 None 💨 7 mph H 83%29.85 inHg

5:00 PM

Light rain

78° 💧 None 💨 4 mph H 76%29.83 inHg

8:00 PM

Overcast night

76° 💧 None 💨 1 mph H 84%29.85 inHg

11:00 PM

Overcast night

76° 💧 None 💨 2 mph H 85%29.88 inHg

Thursday

2:00 AM

Overcast night

75° 💧 None 💨 2 mph H 89%29.83 inHg

5:00 AM

Mostly cloudy night

76° 💧 None 💨 2 mph H 84%29.80 inHg

8:00 AM

Heavy rain

74° 💧 None 💨 3 mph H 88%29.83 inHg

11:00 AM

Light rain

74° 💧 None 💨 1 mph H 89%29.80 inHg

2:00 PM

Moderate rain

74° 💧 None 💨 2 mph H 95%29.80 inHg

5:00 PM

Heavy rain

74° 💧 None 💨 5 mph H 91%29.77 inHg

8:00 PM

Moderate rain

73° 💧 None 💨 3 mph H 91%29.80 inHg

11:00 PM

Light rain

73° 💧 None 💨 1 mph H 87%29.80 inHg

Friday

2:00 AM

Moderate rain

72° 💧 None 💨 6 mph H 88%29.71 inHg

5:00 AM

Moderate rain

74° 💧 None 💨 6 mph H 88%29.71 inHg

8:00 AM

Moderate rain

75° 💧 None 💨 9 mph H 92%29.71 inHg

11:00 AM

Mostly cloudy

76° 💧 None 💨 8 mph H 85%29.71 inHg

2:00 PM

Moderate rain

78° 💧 None 💨 2 mph H 75%29.68 inHg

5:00 PM

Moderate rain

75° 💧 None 💨 3 mph H 86%29.68 inHg

8:00 PM

Light rain

75° 💧 None 💨 3 mph H 87%29.68 inHg

11:00 PM

Very heavy rain

75° 💧 None 💨 13 mph H 85%29.59 inHg

Saturday

2:00 AM

Heavy rain

74° 💧 None 💨 3 mph H 90%29.62 inHg

5:00 AM

Heavy rain

76° 💧 None 💨 5 mph H 86%29.59 inHg

8:00 AM

Moderate rain

75° 💧 None 💨 12 mph H 89%29.68 inHg

11:00 AM

Very heavy rain

76° 💧 None 💨 7 mph H 93%29.71 inHg

2:00 PM

Heavy rain

76° 💧 None 💨 9 mph H 87%29.71 inHg

5:00 PM

Heavy rain

75° 💧 None 💨 7 mph H 95%29.77 inHg

8:00 PM

Moderate rain

75° 💧 None 💨 3 mph H 88%29.80 inHg

11:00 PM

Heavy rain

75° 💧 None 💨 3 mph H 87%29.83 inHg

Sunday

2:00 AM

Moderate rain

74° 💧 None 💨 7 mph H 90%29.80 inHg

5:00 AM

Moderate rain

75° 💧 None 💨 1 mph H 82%29.83 inHg

8:00 AM

Heavy rain

75° 💧 None 💨 1 mph H 90%29.88 inHg

11:00 AM

Moderate rain

76° 💧 None 💨 2 mph H 92%29.91 inHg

2:00 PM

Heavy rain

76° 💧 None 💨 3 mph H 90%29.85 inHg

5:00 PM

Heavy rain

74° 💧 None 💨 3 mph H 93%29.85 inHg

8:00 PM

Moderate rain

75° 💧 None 💨 1 mph H 89%29.91 inHg

Monday

2:00 AM

Light rain

75° 💧 None 💨 3 mph H 86%29.91 inHg

8:00 AM

Overcast

73° 💧 None 💨 5 mph H 87%29.88 inHg

2:00 PM

Light rain

75° 💧 None 💨 3 mph H 89%29.94 inHg

8:00 PM

Light rain

78° 💧 None 💨 4 mph H 85%29.91 inHg

Tuesday

2:00 AM

Mostly clear night

74° 💧 None 💨 1 mph H 91%29.97 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 3 mph H 85%29.97 inHg

2:00 PM

Partly cloudy

76° 💧 None 💨 1 mph H 76%30.00 inHg

8:00 PM

Mostly cloudy night

78° 💧 None 💨 7 mph H 76%29.94 inHg

Wednesday

2:00 AM

Clear night

74° 💧 None 💨 3 mph H 90%29.97 inHg

8:00 AM

Mostly cloudy

74° 💧 None 💨 2 mph H 82%29.94 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 1 mph H 70%30.00 inHg

8:00 PM

Mostly cloudy night

78° 💧 None 💨 6 mph H 73%29.91 inHg

Thursday

2:00 AM

Mostly clear night

73° 💧 None 💨 1 mph H 80%29.97 inHg

8:00 AM

Sunny

72° 💧 None 💨 2 mph H 85%29.94 inHg

2:00 PM

Mostly sunny

74° 💧 None 💨 2 mph H 76%29.97 inHg

8:00 PM

Clear night

77° 💧 None 💨 2 mph H 66%29.91 inHg

Friday

2:00 AM

Mostly clear night

74° 💧 None 💨 2 mph H 80%29.97 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 1 mph H 79%29.97 inHg

2:00 PM

Partly cloudy

74° 💧 None 💨 1 mph H 65%30.00 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 4 mph H 60%29.94 inHg

Saturday

2:00 AM

Overcast night

72° 💧 None 💨 2 mph H 81%29.97 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 1 mph H 82%29.97 inHg

2:00 PM

Overcast

74° 💧 None 💨 2 mph H 79%30.00 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 5 mph H 66%29.91 inHg

Sunday

2:00 AM

Mostly clear night

73° 💧 None 💨 2 mph H 85%29.97 inHg

8:00 AM

Light rain

73° 💧 None 💨 2 mph H 85%29.97 inHg

2:00 PM

Overcast

75° 💧 None 💨 0 mph H 79%29.97 inHg

8:00 PM

Light rain

77° 💧 None 💨 4 mph H 68%29.91 inHg

Monday

2:00 AM

Partly cloudy night

74° 💧 None 💨 3 mph H 84%29.97 inHg

8:00 AM

Mostly sunny

71° 💧 None 💨 2 mph H 83%29.94 inHg

2:00 PM

Mostly sunny

74° 💧 None 💨 3 mph H 69%29.97 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 2 mph H 63%29.91 inHg

Tuesday

2:00 AM

Partly cloudy night

72° 💧 None 💨 2 mph H 80%29.97 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 2 mph H 82%29.94 inHg

2:00 PM

Mostly sunny

73° 💧 None 💨 2 mph H 71%30.00 inHg

8:00 PM

Partly cloudy night

77° 💧 None 💨 3 mph H 63%29.94 inHg

In Kailua 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 Kailua

TomorrowTomorrow

Moderate rain 81°/74° 💧 0.332 in 💨 7 mph

Thursday, Sep 24Thu Sep 24

Heavy rain 75°/73° 💧 2.402 in 💨 8 mph

Friday, Sep 25Fri Sep 25

Very heavy rain 76°/73° 💧 1.767 in 💨 13 mph

Saturday, Sep 26Sat Sep 26

Light thunderstorms 79°/74° 💧 6.376 in 💨 15 mph

Sunday, Sep 27Sun Sep 27

Heavy rain 79°/74° 💧 1.675 in 💨 4 mph

Monday, Sep 28Mon Sep 28

Light rain 78°/73° 💧 0.148 in 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 78°/74° 💧 0.014 in 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 78°/73° 💧 None 💨 6 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 77°/72° 💧 None 💨 2 mph

Friday, Oct 2Fri Oct 2

Mostly cloudy 77°/72° 💧 None 💨 4 mph

Saturday, Oct 3Sat Oct 3

Mostly cloudy 77°/72° 💧 0.006 in 💨 5 mph

Sunday, Oct 4Sun Oct 4

Light rain 77°/73° 💧 0.094 in 💨 4 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 77°/71° 💧 0.002 in 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Partly cloudy 77°/70° 💧 0.001 in 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Kailua

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Kailua

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 8,9µg/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 18,8µg/m³

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

O₃ Ozone Good 36,0µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Kailua

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 12,1Extreme 😊Good

Tomorrow UV 11,3Extreme 🙂Fair

Thursday UV 9,7Very high 😊Good

Friday UV 2,4Low 😊Good

Saturday UV 6,0High 😊Good

Sunday UV 6,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

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

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.

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 Kailua

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KAILUA, HAWAII

Tonight's Stargazing & Shooting Stars

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

61/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 7:33 PM–5:00 AM

☁ Cloud cover 47% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon about 20° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 65° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min34%

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Kailua were last refreshed today at 5:21 AM. The current forecast period extends through 28/09/2026 at 2:00 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.