Island in Hawaii

Oahu Vær Værmelding

Oahu weather: 23°C, overskyet. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.

☁️ 23°C now🕔 3:51 AM local📅 Best: juni, juli, august, september, oktober and november

Oahu weather in mai

27°
average high · low 20°C
★★★★☆
ranked #9 of 12 months

A good month til visit Oahu.

Average high27°C
Average low20°C
Mean23°C
Regnfall100 mm

mai runs close til the annual average in Oahu.

Compare med april.

Vær map for Oahu

Animated model layers. Pick a layer til load it.

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

Klima in Oahu month by month

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

janfebmaraprmaijunjulaugsepoktnovdesLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar25°18°108 mm★★★★☆
februar25°17°56 mm★★★★☆
mars25°19°152 mm★★★☆☆
april26°19°120 mm★★★★☆
mai27°20°100 mm★★★★☆
juni28°21°36 mm★★★★★
juli29°21°42 mm★★★★★
august29°22°61 mm★★★★☆
september29°22°36 mm★★★★☆
oktober29°21°34 mm★★★★☆
november27°20°42 mm★★★★☆
desember26°19°57 mm★★★★☆

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

Beste tid å besøke Oahu

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

Hardest months: januar, mars and april - expect the least comfortable mix of heat, cold or rain.

januar★★★★☆
februar★★★★☆
mars★★★☆☆
april★★★★☆
mai★★★★☆
juni★★★★★
juli★★★★★
august★★★★☆
september★★★★☆
oktober★★★★☆
november★★★★☆
desember★★★★☆

What til pack, what til skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • sønglasses, a brimmed hat and SPF 30+
  • A packable rain shell - 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • Avoid swimming outside patrolled areas - waves are running at 1.7 m.
  • If your dates are flexible, avoid januar, mars and april - historically the least comfortable months here.

How Oahu compares med nearby places

Annual averages, and the difference against Oahu.

PlaceDistanceAvg tempvs hereAnnual rain
Pearl Harbor National Memorial10 km25°C+2°C warmer717 mm
Daniel K. Inouye International Airport15 km24°C+1°C warmer717 mm
Honolulu21 km24°C+1°C warmer717 mm
Honolulu County21 km24°C+1°C warmer717 mm
Area Code 80821 km24°C+1°C warmer717 mm

Se prognosen for Oahu etter tidsintervall

Oahu weather - more answers

Explore Oahu

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

Vær for related places

Frequently asked questions

Where is Oahu?

Oahu is an island in Hawaii. Its coordinates are 21.4389, -158.0001. It lies in Nord-Amerika.

What is the weather like in Oahu akkurat nå?

It is currently 23°C (74°F) med overskyet. Luftfuktighet is 95% and wind is 6 km/h.

When is the best time til visit Oahu?

juni, juli, august, september, oktober and november offer the most comfortable conditions in Oahu, which has a Mediterranean climate. januar, mars and april are usually the hardest months for outdoor plans.

What time zone is Oahu in?

Oahu observes Pacific/Honolulu (UTC-10:00). The local time is 3:51 AM.

What is the nearest airport til Oahu?

The closest airports are Daniel K. Inouye International Airport (HNL), 15 km away.

What are the top things til do in Oahu?

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

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
Værmelding 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 Vær 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 oktober 1, 2026 at 3:51 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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