Kapa‘a

Kauai County, Hawaii, United States

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Current Weather

27°

Light Rain and Breezy

Feels Like: 26°

Min: 24°

Max: 27°

The next few hours will be mostly clear, with today reaching 27°C and dropping to 26°C. The coming days will be drizzle

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Hourly Forecast

27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 27° 26° 26° 26° 26° 26° 26° 26° 26° 26° 26° 26°
82%
82%
94%
94%
94%
92%
92%
92%
80%
80%
80%
74%
74%
74%
88%
88%
88%
90%
90%
90%
78%
78%
78%
72%
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
Today
Tomorrow

Daylight Hours

06:28

Sunrise

18:34

Sunset

12 hours 5 minutes of sunlight today

Moon

Waxing Crescent

11:36

Moonrise

21:40

Moonset

Daily Forecast

Today

24°
27°

Thursday

25°
27°

Friday

24°
27°

Saturday

26°
27°

Sunday

25°
27°

Monday

26°
26°

Tuesday

26°
27°

Wednesday

25°
27°

Thursday

26°
27°

Friday

25°
26°

Air Quality Data Available

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UV Index

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8 Very High
Low Extreme

Humidity

81% Humid
Low High

Weather in Kapa‘a today, September 16, 2026

Expect unsettled, showery conditions in Kapa‘a on September 16, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.

Temperatures climb from an overnight low near 24°C toward a daytime high of about 27°C. The air stays humid, with relative humidity between 81% and 83% and the peak around 20:00. A lighter breeze peaks around 23:00 near 8.3 km/h.

Afternoon showers stay in play, peaking near 94% around 15:00. Skies remain cluttered, with cover about 39% by 14:00. Horizontal visibility holds close to 16.1 km. Expect sunrise at 06:28, sunset at 18:34, and 12 hours 5 minutes of sunlight today overall.

Overall, Kapa‘a on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 94% and the high sits around 27°C.

Frequently asked questions about weather in Kapa‘a

How warm does it get in Kapa‘a?

The warmest month in Kapa‘a is September, with average high temperatures of 27°C. The average temperature during this period is around 25°C.

How cold does it get in Kapa‘a?

The coldest month in Kapa‘a is February, with average low temperatures of 21°C. The average temperature during this period is around 22°C.

What is the wettest time of year in Kapa‘a?

The wettest month in Kapa‘a is March, with an average of 107mm of precipitation.

What is the driest time of year in Kapa‘a?

The driest month in Kapa‘a is January, with an average of 58mm of precipitation.

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Metric (°C, km/h)