Island in Hawaii

Kauai Vejr Prognose

Kauai weather: 17°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.

☁️ 17°C now🕔 2:28 AM local📅 Best: august, september and oktober

Resumé

Kauai is an island in Hawaii. Kauai is an island known for the Na Pali Coast and Waimea Canyon.

Lige nu er det 17°C (63°F) in Kauai med overskyet. Det føles som 19°C. I dag ligger temperaturen mellem 15°C og 24°C. Sandsynligheden for nedbør er 88%. Sightseeing conditions score 5.3/10 - marginal.

Det bedste tidspunkt at besøge Kauai is august, september and oktober. Klimaet er temperate. marts, november and december tend og be the least comfortable months. august is the warmest month med average highs near 24°C, while februar is the coldest med lows near 13°C.

The closest major airport is Daniel K. Inouye International Airport (HNL), about 186 km away. Nearby highlights include Hanalei Bay, Oahu, Pearl Harbor National Memorial and Waikiki Beach.

Kort sagt. Today is about average for september. The forecast high of 24°C is in line med the 24°C typical for this month. The best window og be outside is roughly 8 AM og 11 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Kauai today at 9.9/10. Sigtbarhed is down og 0,2 km - use low beams and leave extra following distance. Wet roads are likely; braking distances roughly double in heavy rain.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for Kauai

⚠️tor, sep 17: heavy rain, 34 mm. Flooding and delays possible.
⚠️tir, sep 22: heavy rain, 32 mm. Flooding and delays possible.

Derived from the forecast. No official alert feed is wired for this country yet.

Vejret i Kauai lige nu

☁️
17°C
Overskyet · feels like 19°C
Luftfugtighed100%
Vind2 km/h W
Vindstød9 km/h
UV-indeks0 · Lav
Skydække99%
Tryk936 hPa
SigtbarhedVery poor · 0 km
Luftkvalitet29 · Good
Havtemperatur27°C
Bølgehøjde0.8 m
Solopgang6:24 AM
Solnedgang6:40 PM
Måne🌒 Waxing crescent · 15%

Open-Meteo Updated 2:28 AM, sep 15 local time.

⚠️tor, sep 17: heavy rain, 34 mm. Flooding and delays possible.
⚠️tir, sep 22: heavy rain, 32 mm. Flooding and delays possible.

Se prognosen for Kauai efter tidsinterval

Næste 24 timer

Temperatur, nedbørssandsynlighed og vind time for time.

1 AM☁️17°0%2 km/h
2 AM☁️17°0%1 km/h
3 AM☁️16°0%1 km/h
4 AM☁️16°0%1 km/h
5 AM☁️16°0%2 km/h
6 AM☁️15°0%2 km/h
7 AM☁️16°0%3 km/h
8 AM☀️19°0%3 km/h
9 AM22°5%6 km/h
10 AM23°13%8 km/h
11 AM🌦️24°25%8 km/h
12 PM🌦️23°44%8 km/h
1 PM🌧️22°66%8 km/h
2 PM🌦️22°82%8 km/h
3 PM🌦️22°88%6 km/h
4 PM🌦️21°88%6 km/h
5 PM🌦️21°82%6 km/h
6 PM🌦️20°68%4 km/h
7 PM🌦️19°48%0 km/h
8 PM🌦️19°33%1 km/h
9 PM🌦️19°26%3 km/h
10 PM🌦️19°24%3 km/h
11 PM🌦️19°27%2 km/h
12 AM🌦️19°38%2 km/h

16-day forecast for Kauai

Maks. / Min.; Nedbør; UV

DagForholdMaks. / Min.NedbørVindUV
tir, sep 15🌧️ Heavy drizzle24° / 15°88% · 5 mm8 km/h9
ons, sep 16🌦️ Light showers24° / 19°93% · 19 mm9 km/h8
tor, sep 17🌧️ Byger22° / 19°98% · 34 mm7 km/h7
fre, sep 18🌦️ Light showers21° / 19°98% · 25 mm7 km/h7
lør, sep 19🌧️ Heavy drizzle22° / 19°99% · 14 mm9 km/h8
søn, sep 20🌧️ Heavy drizzle24° / 19°91% · 12 mm11 km/h7
man, sep 21🌦️ Let regn24° / 19°80% · 18 mm10 km/h7
tir, sep 22🌦️ Light showers22° / 19°86% · 32 mm8 km/h5
ons, sep 23🌦️ Light showers21° / 18°80% · 18 mm9 km/h6
tor, sep 24🌧️ Heavy drizzle22° / 18°82% · 15 mm12 km/h6
fre, sep 25🌧️ Heavy drizzle22° / 17°85% · 20 mm11 km/h6
lør, sep 26🌦️ Light showers21° / 16°73% · 28 mm9 km/h6
søn, sep 27🌦️ Støvregn22° / 16°87% · 6 mm10 km/h5
man, sep 28🌦️ Light showers20° / 17°75% · 22 mm7 km/h5
tir, sep 29🌦️ Støvregn22° / 17°42% · 8 mm12 km/h6
ons, sep 30☀️ Klar himmel-- / --55%--

Klima in Kauai month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar21°14°194 mm★★★☆☆
februar20°13°234 mm★★★☆☆
marts20°14°320 mm★★☆☆☆
april21°15°439 mm★★★☆☆
maj21°15°342 mm★★★☆☆
juni22°16°257 mm★★★☆☆
juli23°17°298 mm★★★☆☆
august24°18°184 mm★★★☆☆
september24°17°196 mm★★★☆☆
oktober23°17°176 mm★★★☆☆
november22°16°249 mm★★☆☆☆
december21°15°245 mm★★☆☆☆

Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).

Vejr map for Kauai

Animated model layers. Pick a layer og load it.

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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.

Luftkvalitet and pollen in Kauai

29
Good
Luftkvalitet is satisfactory for everyone.
PM2.55.4 µg/m³
PM108.1 µg/m³
Ozone30 µg/m³
NO₂1.6 µg/m³
UV-indeks0 · Lav
Airborne hazeKlart air

Luftkvalitet: Open-Meteo (CAMS). US AQI scale.

søn, twilight and moon

Solopgang6:24 AM
Solnedgang6:40 PM
Daglight12h 16m
Solar noon12:32 PM
Golden hour (am)6:24 AM - 7:24 AM
Golden hour (pm)5:40 PM - 6:40 PM
Blue hour (am)5:54 AM - 6:24 AM
Blue hour (pm)6:40 PM - 7:10 PM
Måne phase🌒 Waxing crescent · 15%
Månerise10:35 AM
Måneset9:45 PM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Bedste rejsetid Kauai

Go in august, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: marts, november and december - expect the least comfortable mix of heat, cold or rain.

januar★★★☆☆
februar★★★☆☆
marts★★☆☆☆
april★★★☆☆
maj★★★☆☆
juni★★★☆☆
juli★★★☆☆
august★★★☆☆
september★★★☆☆
oktober★★★☆☆
november★★☆☆☆
december★★☆☆☆

Vejr by beach in Kauai

1 beaches mapped in this atlas

Explore Kauai

Every topic we hold for this place, and the same topic for the places around it.

Vejr for related places

Frequently asked questions

Where is Kauai?

Kauai is an island in Hawaii. Its coordinates are 22.0964, -159.5261. It lies in Nordamerika.

What is the weather like in Kauai lige nu?

It is currently 17°C (63°F) med overskyet. Luftfugtighed is 100% and wind is 2 km/h.

When is the best time og visit Kauai?

august, september and oktober offer the most comfortable conditions in Kauai, which has a temperate climate. marts, november and december are usually the hardest months for outdoor plans.

What time zone is Kauai in?

Kauai observes Pacific/Honolulu (UTC-10:00). The local time is 2:28 AM.

What is the nearest airport og Kauai?

The closest airports are Daniel K. Inouye International Airport (HNL), 186 km away.

What are the top things og do in Kauai?

Popular options include Hanalei Bay, Oahu, Pearl Harbor National Memorial, Waikiki Beach, Maui and Haleakala National Park.

What places are in Kauai?

Kauai covers 1 places in this atlas, including Hanalei Bay.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
Prognose and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Vejr Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated september 15, 2026 at 2:28 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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