Today | Weather | Sunday, March 15, 2026
Active Weather Warnings

Weather in Honolulu, Hawaii

10:21 AM
Now
Rainy Weather
75° F
Feels Like 75°
Precipitation 56 %
Wind 16 mph
UV Index (0 - 11+) 2
Humidity 82 %
Today
Rainy Weather
Day 81°
Night 70°
Precipitation 84 %
Wind 16 mph
UV Index (0 - 11+) 3

Honolulu Weather Forecast Updated

46 minutes ago
Last updated on

Air Quality in Honolulu

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.04 µg/m³
PM10 18.74 µg/m³
O3 0.040 ppm
NO2 0 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.01 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.55.04 µg/m³
PM1018.74 µg/m³
O377.8 µg/m³
NO20.06 µg/m³
SO20.14 µg/m³
CO110.54 µg/m³
NH30.01 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Honolulu

Moderate Expected Likely

Wind Advisory

Wind Advisory issued March 15 at 3:01AM HST until March 15 at 6:00PM HST by NWS Honolulu HI
Mar 15, 3:01 AM Mar 15, 6:00 PM
WHAT: Southwest winds 20 to 30 mph with gusts up to 50 mph.

WHERE: Kauai East, Kauai Mountains, Kauai North, Central Oahu,
Koolau Leeward, Koolau Windward, Oahu North Shore, Olomana, and
Waianae Mountains.

WHEN: Until 6 PM HST this evening.

IMPACTS: Winds this strong can tear off shingles, knock down tree
branches, blow away tents and awnings and make it difficult to
steer, especially for drivers of high profile vehicles.
+ Read More
Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages.
Updated: Mar 15, 9:35 AM Source: NWS Alert