Oahu 天気 予報
Oahu weather: 21°C, light showers. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
Will it rain in Oahu?
Yes - rain is likely in Oahu today.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 34 mm is forecast, which is enoughからsoak trails and slow traffic.
Over the next 7 days, about 170 mm of precipitation is forecast,、the wettest days falling on 火, 水, 木, 金, 土, 日 and 月.
The next 7 days carry about 15.9 times a normal week's rain for 10月 (170 mm against 11 mm).
16-day forecast for Oahu
最高 / 最低; 降水; UV
| 日 | 状況 | 最高 / 最低 | 降水 | 風 | UV |
|---|---|---|---|---|---|
| 火, 10月 27 | 🌧️ にわか雨 | 28° / 19° | 100% · 34 mm | 10 km/h | 3 |
| 水, 10月 28 | ⛈️ 雷雨 | 24° / 21° | 100% · 132 mm | 16 km/h | 2 |
| 木, 10月 29 | 🌦️ Light drizzle | 25° / 22° | 87% · 2 mm | 19 km/h | 1 |
| 金, 10月 30 | ☁️ 曇り | 26° / 22° | 55% | 17 km/h | 6 |
| 土, 10月 31 | ☁️ 曇り | 27° / 20° | 41% | 13 km/h | 5 |
| 日, 11月 1 | 🌦️ Light drizzle | 26° / 19° | 61% · 2 mm | 22 km/h | 7 |
| 月, 11月 2 | 🌦️ Light drizzle | 24° / 19° | 54% · 0 mm | 23 km/h | 6 |
| 火, 11月 3 | 🌦️ Light drizzle | 24° / 19° | 59% · 3 mm | 20 km/h | 6 |
| 水, 11月 4 | 🌦️ Light drizzle | 24° / 20° | 59% · 3 mm | 22 km/h | 4 |
| 木, 11月 5 | 🌦️ Light drizzle | 25° / 21° | 74% · 2 mm | 22 km/h | 5 |
| 金, 11月 6 | 🌦️ Light drizzle | 25° / 21° | 58% · 5 mm | 20 km/h | 3 |
| 土, 11月 7 | 🌦️ Light drizzle | 25° / 21° | 65% · 5 mm | 16 km/h | 2 |
| 日, 11月 8 | 🌦️ Light drizzle | 25° / 21° | 58% · 5 mm | 19 km/h | 3 |
| 月, 11月 9 | 🌦️ Light drizzle | 25° / 21° | 52% · 5 mm | 18 km/h | 1 |
| 火, 11月 10 | 🌦️ Light drizzle | 26° / 20° | 69% · 3 mm | 16 km/h | 5 |
| 水, 11月 11 | 🌦️ Light drizzle | 27° / 20° | 42% · 3 mm | 20 km/h | 5 |
What this means for Oahu
Today is about average for 10月. The forecast high of 28°C is in line、the 28°C typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 34 mm is forecast, which is enoughからsoak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in 6月から8月.
The gap between the warmest and coldest month averages 4°C - an unusually even climate through the year.
Whatからpack, whatからskip
- 日glasses, a brimmed hat and SPF 30+
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- 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.
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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 21°C (71°F)、light showers. 湿度 is 99% and wind is 9 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 12:05 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 data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 Service. |
| Method | Scores, 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 10月 28, 2026 at 12:05 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
