Island in Hawaii

Oahu 天気 予報

Oahu weather: 24°C, ほぼ晴れ. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.

🌙 24°C now🕔 7:51 AM local📅 Best: 6月, 7月, 8月, 9月, 10月 and 11月

気候 in Oahu month by month

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

Line: average high · Bars: rainfall
Avg highAvg low雨fallRating
1月25°18°108 mm★★★★
2月25°17°56 mm★★★★
3月25°19°152 mm★★★☆☆
4月26°19°120 mm★★★★
5月27°20°100 mm★★★★
6月28°21°36 mm★★★★★
7月29°21°42 mm★★★★★
8月29°22°45 mm★★★★
9月29°22°28 mm★★★★★
10月29°21°34 mm★★★★
11月27°20°42 mm★★★★
12月26°19°57 mm★★★★

気候 type: Mediterranean. 出典: Open-Meteo archive (ERA5).

訪問に最適な時期 Oahu

Go in 6月, 7月, 8月, 9月, 10月 and 11月. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: 1月, 3月 and 4月 - expect the least comfortable mix of heat, cold or rain.

1月★★★★
2月★★★★
3月★★★☆☆
4月★★★★
5月★★★★
6月★★★★★
7月★★★★★
8月★★★★
9月★★★★★
10月★★★★
11月★★★★
12月★★★★

Recent extremes in Oahu

高いest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day33°C8月 11, 2025
Coldest night12°C1月 23, 2025
Wettest day102 mm3月 13, 2026

How Oahu compares、nearby places

Annual averages, and the difference against Oahu.

PlaceDistanceAvg tempvs hereAnnual rain
Pearl Harbor National Memorial10 km25°C+2°C warmer696 mm
Daniel K. Inouye International Airport15 km24°C+1°C warmer696 mm
Honolulu21 km24°C+1°C warmer696 mm
Honolulu County21 km24°C+1°C warmer696 mm
Area Code 80821 km24°C+1°C warmer696 mm

Whatからpack, whatからskip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • 日glasses, 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 exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 55 km/h.
  • If your dates are flexible, avoid 1月, 3月 and 4月 - historically the least comfortable months here.

時間帯別のOahu 予報を見る

Oahu weather - more answers

Explore Oahu

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

天気 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 北アメリカ.

What is the weather like in Oahu現在?

It is currently 24°C (75°F)、ほぼ晴れ. 湿度 is 84% and wind is 15 km/h.

When is the best timeからvisit Oahu?

6月, 7月, 8月, 9月, 10月 and 11月 offer the most comfortable conditions in Oahu, which has a Mediterranean climate. 1月, 3月 and 4月 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 7:51 AM.

What is the nearest airportからOahu?

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

What are the top thingsから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.
予報 and observationsOpen-Meteo (ECMWF and national models).
大気質 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
気候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National 天気 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 9月 20, 2026 at 7:51 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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