Oahu Weather Forecast
Oahu weather: 71°F, light showers. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Oahu is an island in Hawaii. Oahu is an island known for Waikiki, Pearl Harbor and the North Shore.
Right now it is 71°F (21°C) in Oahu with light showers. It feels like 76°F. Today runs from 66°F to 82°F. Chance of precipitation is 100%. Sightseeing conditions score 7.2/10 - good conditions.
The best time to visit Oahu is June, July, August, September, October and November. The climate is Mediterranean. January, March and April tend to be the least comfortable months. August is the warmest month with average highs near 85°F, while February is the coldest with lows near 63°F.
The closest major airport is Daniel K. Inouye International Airport (HNL), about 9 mi away. Nearby highlights include Pearl Harbor National Memorial, Waikiki Beach, Kauai and Hanalei Bay.
In plain terms. Today is about average for October. The forecast high of 82°F is in line with the 83°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Oahu today at 9.5/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Oahu
Flood Watch issued October 27 at 2:54AM HST until October 29 at 5:00AM HST by NWS Honolulu HI
Issued by NWS Honolulu HI
Weather in Oahu right now
Source: Open-Meteo. Updated 10:33 AM, Oct 28 local time.
See the Oahu forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Oahu
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Tue, Oct 27 | 🌧️ Showers | 82° / 66° | 100% · 1,3 in | 6 mph | 3 |
| Wed, Oct 28 | ⛈️ Thunderstorm | 74° / 71° | 100% · 5,2 in | 10 mph | 2 |
| Thu, Oct 29 | 🌦️ Light drizzle | 77° / 71° | 87% · 0,1 in | 12 mph | 1 |
| Fri, Oct 30 | ☁️ Overcast | 79° / 71° | 55% | 11 mph | 6 |
| Sat, Oct 31 | ☁️ Overcast | 80° / 69° | 41% | 8 mph | 5 |
| Sun, Nov 1 | 🌦️ Light drizzle | 79° / 67° | 61% · 0,1 in | 13 mph | 7 |
| Mon, Nov 2 | 🌦️ Light drizzle | 76° / 66° | 54% · 0,0 in | 14 mph | 6 |
| Tue, Nov 3 | 🌦️ Light drizzle | 75° / 67° | 59% · 0,1 in | 13 mph | 6 |
| Wed, Nov 4 | 🌦️ Light drizzle | 75° / 68° | 59% · 0,1 in | 13 mph | 4 |
| Thu, Nov 5 | 🌦️ Light drizzle | 78° / 69° | 74% · 0,1 in | 13 mph | 5 |
| Fri, Nov 6 | 🌦️ Light drizzle | 77° / 69° | 58% · 0,2 in | 12 mph | 3 |
| Sat, Nov 7 | 🌦️ Light drizzle | 78° / 69° | 65% · 0,2 in | 10 mph | 2 |
| Sun, Nov 8 | 🌦️ Light drizzle | 78° / 70° | 58% · 0,2 in | 12 mph | 3 |
| Mon, Nov 9 | 🌦️ Light drizzle | 77° / 70° | 52% · 0,2 in | 11 mph | 1 |
| Tue, Nov 10 | 🌦️ Light drizzle | 78° / 69° | 69% · 0,1 in | 10 mph | 5 |
| Wed, Nov 11 | 🌦️ Light drizzle | 81° / 68° | 42% · 0,1 in | 12 mph | 5 |
Climate in Oahu month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 77° | 64° | 4,3 in | ★★★★☆ |
| February | 76° | 63° | 2,2 in | ★★★★☆ |
| March | 78° | 65° | 6,0 in | ★★★☆☆ |
| April | 79° | 66° | 4,7 in | ★★★★☆ |
| May | 80° | 68° | 3,9 in | ★★★★☆ |
| June | 83° | 69° | 1,4 in | ★★★★★ |
| July | 83° | 70° | 1,7 in | ★★★★★ |
| August | 85° | 72° | 2,4 in | ★★★★☆ |
| September | 84° | 71° | 2,0 in | ★★★★☆ |
| October | 83° | 70° | 1,8 in | ★★★★☆ |
| November | 81° | 68° | 1,7 in | ★★★★☆ |
| December | 79° | 66° | 2,2 in | ★★★★☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
Weather map for Oahu
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Oahu
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Oahu
Go in June, July, August, September, October and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and April - expect the least comfortable mix of heat, cold or rain.
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 71°F (21°C) with light showers. Humidity is 99% and wind is 5 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 10:33 AM.
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 28, 2026 at 10:33 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
