Oahu Veður Spá
Oahu weather: 24°C, light drizzle. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Loftslag in Oahu month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 25° | 18° | 108 mm | ★★★★☆ |
| febrúar | 25° | 17° | 56 mm | ★★★★☆ |
| mars | 25° | 19° | 152 mm | ★★★☆☆ |
| apríl | 26° | 19° | 120 mm | ★★★★☆ |
| maí | 27° | 20° | 100 mm | ★★★★☆ |
| júní | 28° | 21° | 36 mm | ★★★★★ |
| júlí | 29° | 21° | 42 mm | ★★★★★ |
| ágúst | 29° | 22° | 45 mm | ★★★★☆ |
| september | 29° | 22° | 28 mm | ★★★★★ |
| október | 29° | 21° | 34 mm | ★★★★☆ |
| nóvember | 27° | 20° | 42 mm | ★★★★☆ |
| desember | 26° | 19° | 57 mm | ★★★★☆ |
Loftslag type: Mediterranean. Heimild: Open-Meteo archive (ERA5).
Best time til visit Oahu
Go in júní, júlí, ágúst, september, október and nóvember. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, mars and apríl - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Oahu
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Oahu compares með nearby places
Annual averages, and the difference against Oahu.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Pearl Harbor National Memorial | 10 km | 25°C | +2°C warmer | 696 mm |
| Daniel K. Inouye International Airport | 15 km | 24°C | +1°C warmer | 696 mm |
| Honolulu | 21 km | 24°C | +1°C warmer | 696 mm |
| Honolulu County | 21 km | 24°C | +1°C warmer | 696 mm |
| Area Code 808 | 21 km | 24°C | +1°C warmer | 696 mm |
What til pack, what til skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sun.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 janúar, mars and apríl - historically the least comfortable months here.
Sjá spá fyrir Oahu eftir tímabili
Oahu weather - more answers
Explore Oahu
Every topic we hold for this place, and the same topic for the places around it.
Veður 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 Norður-Ameríka.
What is the weather like in Oahu núna?
It is currently 24°C (75°F) með light drizzle. Raki is 97% and wind is 15 km/h.
When is the best time til visit Oahu?
júní, júlí, ágúst, september, október and nóvember offer the most comfortable conditions in Oahu, which has a Mediterranean climate. janúar, mars and apríl 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 10:56 PM.
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 data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 september 16, 2026 at 10:56 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
