Honolulu, Hawaii, United States Climate Change Severity

52
High
The current climate change severity in Honolulu is High, with a 16.5% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Honolulu Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Honolulu temperature has changed by around -0.3%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
166
-62.5%
cloudyCloudy
576
-89.4%
rainyRainy
125169
35.1%
snowySnowy
00
0%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Honolulu has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Honolulu experienced significant changes:

Temperature change of

-0.08 °C

Variation in annual rainfall

+193.52 %

Change in average humidity

+1.49 %

PM2.5 levels surged by

-14.53 %

Heatwave changed by

-1 Day

Coldwave changed by

-4 Days

Wind speeds changed by

+4.95 km/h

These indicators show that Honolulu is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Honolulu Weather Forecast 30 Days (August - September 2026)
Honolulu, Hawaii, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon76%
Wind Icon34.6km/h
Sun. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon80%
Wind Icon32km/h
Mon. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/25°
Humidity Icon79%
Wind Icon29.9km/h
Tue. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon75%
Wind Icon34.6km/h
Wed. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon73%
Wind Icon32.8km/h
Thu. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon75%
Wind Icon39.6km/h
Fri. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon80%
Wind Icon54km/h
Sat. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon76%
Wind Icon54.4km/h
Sun. 16, Aug.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon23km/h
Mon. 17, Aug.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon22.5km/h
Tue. 18, Aug.
heavy rain at timesHeavy Rain
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon21.5km/h
Wed. 19, Aug.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon22.3km/h
Thu. 20, Aug.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon23.1km/h
Fri. 21, Aug.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon24.2km/h
Sat. 22, Aug.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon75%
Wind Icon23.6km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/24°
Humidity Icon75%
Wind Icon22.8km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/24°
Humidity Icon75%
Wind Icon23.5km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon25.1km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon24.7km/h
Thu. 27, Aug.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon23.7km/h
Fri. 28, Aug.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon21.3km/h
Sat. 29, Aug.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon22.2km/h
Sun. 30, Aug.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon21.3km/h
Mon. 31, Aug.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon21.6km/h
Tue. 1, Sep.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon74%
Wind Icon22.9km/h
Wed. 2, Sep.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon22.9km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/24°
Humidity Icon72%
Wind Icon22.8km/h
Fri. 4, Sep.
moderate rain at timesRain
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon20.8km/h
Sat. 5, Sep.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon71%
Wind Icon20.8km/h
Sun. 6, Sep.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon72%
Wind Icon19.7km/h
Mon. 7, Sep.
patchy rain possibleRain Possible
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon19.7km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 10, Aug.

28°C

Low will be onSun. 16, Aug.

24°C

HumidityHumidity

High will be onSun. 9, Aug.

80%

Low will be onSat. 5, Sep.

71%

Wind SpeedWind Speed

High will be onSat. 15, Aug.

54.4km/h

Low will be onSun. 6, Sep.

19.7km/h

PrecipitationPrecipitation

High will be onSun. 23, Aug.

4.2mm

Low will be onThu. 13, Aug.

0.05mm

Ultraviolet IndexUV

High will be onMon. 10, Aug.

12.5

Low will be onFri. 14, Aug.

6

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