Hourly Weather | Today Tuesday, April 7, 2026
Active Weather Warnings
Honolulu, Hawaii
6 AM
Cloudy Night
72°
Feels Like 72°
9
Humidity: 78%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
70°
Feels Like 72°
13
Humidity: 85%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
72°
Feels Like 75°
13
Humidity: 81%
UV Index: 2
Wind: 6 mph
9 AM
Cloudy Weather
73°
Feels Like 79°
17
Humidity: 75%
UV Index: 3
Wind: 7 mph
10 AM
Partly Sunny with Showers
75°
Feels Like 79°
42
Humidity: 70%
UV Index: 3
Wind: 7 mph
11 AM
Cloudy Weather
79°
Feels Like 82°
38
Humidity: 65%
UV Index: 4
Wind: 7 mph
12 PM
Cloudy Weather
77°
Feels Like 81°
35
Humidity: 67%
UV Index: 4
Wind: 8 mph
1 PM
Cloudy Weather
77°
Feels Like 81°
34
Humidity: 68%
UV Index: 3
Wind: 8 mph
2 PM
Cloudy Weather
75°
Feels Like 77°
34
Humidity: 69%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
75°
Feels Like 75°
38
Humidity: 69%
UV Index: 1
Wind: 8 mph
4 PM
Cloudy Weather
75°
Feels Like 75°
49
Humidity: 71%
UV Index: 1
Wind: 8 mph
5 PM
Rainy Weather
75°
Feels Like 72°
56
Humidity: 73%
UV Index: 0
Wind: 8 mph
6 PM
Rainy Weather
73°
Feels Like 72°
48
Humidity: 74%
UV Index: 0
Wind: 8 mph
7 PM
Cloudy Weather
72°
Feels Like 72°
40
Humidity: 80%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
72°
Feels Like 72°
37
Humidity: 81%
UV Index: 0
Wind: 8 mph
9 PM
Rainy Weather
72°
Feels Like 70°
40
Humidity: 85%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
70°
Feels Like 70°
37
Humidity: 89%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
70°
Feels Like 70°
34
Humidity: 92%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.9 µg/m³
  • PM10: 6.06 µg/m³
  • O3: 0.033 ppm
  • NO2: 0 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.12 µg/m³
  • PM10: 5.97 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.26 µg/m³
  • PM10: 5.88 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 5.86 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

10 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 5.74 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

11 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.24 µg/m³
  • PM10: 5.47 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

12 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.09 µg/m³
  • PM10: 5.24 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.96 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.033 ppm
  • NO2: 0 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

2 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.84 µg/m³
  • PM10: 4.94 µg/m³
  • O3: 0.033 ppm
  • NO2: 0 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

3 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.74 µg/m³
  • PM10: 4.88 µg/m³
  • O3: 0.033 ppm
  • NO2: 0 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

4 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.69 µg/m³
  • PM10: 4.86 µg/m³
  • O3: 0.032 ppm
  • NO2: 0 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.61 µg/m³
  • PM10: 4.81 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.53 µg/m³
  • PM10: 4.73 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.43 µg/m³
  • PM10: 4.64 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.34 µg/m³
  • PM10: 4.54 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.23 µg/m³
  • PM10: 4.41 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.12 µg/m³
  • PM10: 4.32 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

11 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 4.24 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Honolulu

Unknown Future Possible

Hydrologic Outlook

Hydrologic Outlook issued April 4 at 8:55AM HST by NWS Honolulu HI
Apr 4, 8:55 AM Apr 7, 6:00 PM
ESFHFO

Southerly winds associated with low pressure developing northwest of
the islands will draw a very moist tropical airmass northward early
next week. This will bring periods of heavy rain and a risk of flash
flooding. The most likely period for significant impacts is
Wednesday night through Thursday night. However, afternoon shower
development over island interiors on Tuesday may be heavy as well.
The duration of flooding potential remains less certain than usual
as deep moisture remains over the state into the middle of April
leading to potential for additional waves of heavy rain next weekend
or beyond.

Now would be a good time to clear storm drains, culverts, and other
drainage areas of debris to help reduce localized flooding.

This outlook will be updated daily or sooner if needed.

Stay up to date with the latest forecast information through
weather.gov/hawaii, local media, social media, or NOAA Weather Radio
broadcasts.
Updated: Apr 7, 5:01 AM Source: NWS Alert