Oahu Weather Forecast
Oahu weather: 74°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Oahu
Derived from the current forecast window - not an official warning.
Peak gusts of 34 mph and 1 thunderstorm day in the next 16 days.
Wettest single day forecast at 5,9 in, 7,9 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Oahu
Flood Watch issued October 26 at 3:05AM HST until October 29 at 5:00AM HST by NWS Honolulu HI
Issued by NWS Honolulu HI
16-day forecast for Oahu
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Oct 25 | 🌦️ Light drizzle | 83° / 67° | 39% · 0,0 in | 9 mph | 7 |
| Mon, Oct 26 | 🌥️ Fog | 85° / 65° | 31% | 9 mph | 7 |
| Tue, Oct 27 | 🌧️ Showers | 80° / 68° | 93% · 1,2 in | 6 mph | 4 |
| Wed, Oct 28 | ⛈️ Thunderstorm | 75° / 71° | 94% · 5,9 in | 5 mph | 2 |
| Thu, Oct 29 | 🌦️ Light showers | 77° / 71° | 76% · 0,3 in | 10 mph | 1 |
| Fri, Oct 30 | ☁️ Overcast | 79° / 70° | 84% | 12 mph | 1 |
| Sat, Oct 31 | ☁️ Overcast | 80° / 68° | 78% | 8 mph | 6 |
| Sun, Nov 1 | 🌥️ Fog | 81° / 69° | 76% | 6 mph | 7 |
| Mon, Nov 2 | 🌦️ Light drizzle | 75° / 67° | 57% · 0,1 in | 12 mph | 7 |
| Tue, Nov 3 | 🌦️ Light drizzle | 75° / 65° | 55% · 0,0 in | 10 mph | 4 |
| Wed, Nov 4 | 🌦️ Light drizzle | 77° / 65° | 70% · 0,0 in | 10 mph | 7 |
| Thu, Nov 5 | 🌦️ Light drizzle | 76° / 65° | 69% · 0,1 in | 11 mph | 7 |
| Fri, Nov 6 | 🌦️ Light drizzle | 78° / 67° | 60% · 0,0 in | 14 mph | 7 |
| Sat, Nov 7 | 🌦️ Light drizzle | 80° / 69° | 52% · 0,0 in | 10 mph | 5 |
| Sun, Nov 8 | 🌦️ Light drizzle | 80° / 69° | 63% · 0,1 in | 10 mph | 3 |
| Mon, Nov 9 | 🌦️ Light drizzle | 76° / 71° | 51% · 0,1 in | 13 mph | 5 |
What this means for Oahu
Today is about average for October. The forecast high of 83°F is in line with the 84°F typical for this month.
A 39% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 40°F - an unusually even climate through the year.
See the Oahu forecast by time range
Oahu weather - more answers
Explore Oahu
Every topic we hold for this place, and the same topic for the places around it.
Weather 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 North America.
What is the weather like in Oahu right now?
It is currently 74°F (24°C) with partly cloudy. Humidity is 71% and wind is 9 mph.
When is the best time to visit Oahu?
June, July, August, September, October and November offer the most comfortable conditions in Oahu, which has a Mediterranean climate. January, March 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 12:33 PM.
What is the nearest airport to Oahu?
The closest airports are Daniel K. Inouye International Airport (HNL), 9 mi away.
What are the top things to 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. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather 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 October 26, 2026 at 12:33 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
