Pomona, California, United States Climate Change Severity

67
Very High
The current climate change severity in Pomona is Very High, with a 22.9% 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 May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Pomona Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Pomona temperature has changed by around +20.09%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
7376
4.1%

cloudyCloudy
3729
-21.6%

rainyRainy
3319
-42.4%

snowySnowy
00
0%

mistyMisty
02
100%

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

Climate Change Indicators:

Over the past 16 years, Pomona has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Pomona experienced significant changes:

Temperature change of

+2.93 °C


Variation in annual rainfall

+189.07 %


Change in average humidity

+12.98 %


PM2.5 levels surged by

-4.35 %


Heatwave changed by

+17 Days


Coldwave changed by

-2 Days


Wind speeds changed by

+0.39 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Pomona's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

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

Pomona Weather Forecast 30 Days (June - July 2026)
Pomona, California, United States


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 3, Jun.
partly cloudyPartly Cloudy

Temperature Icon34°/14°

Humidity Icon62%

Wind Icon16.9km/h
Thu. 4, Jun.
sunnySunny

Temperature Icon32°/18°

Humidity Icon41%

Wind Icon19.1km/h
Fri. 5, Jun.
sunnySunny

Temperature Icon29°/18°

Humidity Icon48%

Wind Icon20.2km/h
Sat. 6, Jun.
overcastOvercast

Temperature Icon27°/18°

Humidity Icon54%

Wind Icon16.9km/h
Sun. 7, Jun.
sunnySunny

Temperature Icon26°/16°

Humidity Icon61%

Wind Icon17.6km/h
Mon. 8, Jun.
sunnySunny

Temperature Icon27°/16°

Humidity Icon52%

Wind Icon16.9km/h
Tue. 9, Jun.
sunnySunny

Temperature Icon27°/16°

Humidity Icon49%

Wind Icon19.8km/h
Wed. 10, Jun.
sunnySunny

Temperature Icon26°/15°

Humidity Icon47%

Wind Icon19.8km/h
Thu. 11, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon27°/15°

Humidity Icon55%

Wind Icon16.9km/h
Fri. 12, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon27°/15°

Humidity Icon54%

Wind Icon16.2km/h
Sat. 13, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon27°/15°

Humidity Icon54%

Wind Icon16.9km/h
Sun. 14, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon29°/15°

Humidity Icon50%

Wind Icon16.9km/h
Mon. 15, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon29°/16°

Humidity Icon50%

Wind Icon16.6km/h
Tue. 16, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon28°/15°

Humidity Icon53%

Wind Icon17.3km/h
Wed. 17, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon28°/15°

Humidity Icon52%

Wind Icon17.3km/h
Thu. 18, Jun.
sunnySunny

Temperature Icon29°/15°

Humidity Icon49%

Wind Icon17.6km/h
Fri. 19, Jun.
sunnySunny

Temperature Icon30°/16°

Humidity Icon48%

Wind Icon16.9km/h
Sat. 20, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon31°/16°

Humidity Icon45%

Wind Icon17.6km/h
Sun. 21, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon30°/16°

Humidity Icon48%

Wind Icon17.6km/h
Mon. 22, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon30°/16°

Humidity Icon48%

Wind Icon17.3km/h
Tue. 23, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon30°/16°

Humidity Icon50%

Wind Icon17.6km/h
Wed. 24, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon29°/16°

Humidity Icon50%

Wind Icon16.6km/h
Thu. 25, Jun.
sunnySunny

Temperature Icon30°/16°

Humidity Icon49%

Wind Icon16.9km/h
Fri. 26, Jun.
sunnySunny

Temperature Icon31°/17°

Humidity Icon45%

Wind Icon16.6km/h
Sat. 27, Jun.
sunnySunny

Temperature Icon32°/17°

Humidity Icon44%

Wind Icon17.3km/h
Sun. 28, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon32°/18°

Humidity Icon45%

Wind Icon17.3km/h
Mon. 29, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon31°/18°

Humidity Icon46%

Wind Icon16.9km/h
Tue. 30, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon32°/18°

Humidity Icon45%

Wind Icon17.3km/h
Wed. 1, Jul.
patchy rain possiblePatchy rain possible

Temperature Icon32°/18°

Humidity Icon45%

Wind Icon16.9km/h
Thu. 2, Jul.
patchy rain possiblePatchy rain possible

Temperature Icon31°/18°

Humidity Icon45%

Wind Icon17.3km/h
Fri. 3, Jul.
sunnySunny

Temperature Icon31°/17°

Humidity Icon45%

Wind Icon16.9km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 3, Jun.

34°C


Low will be onWed. 3, Jun.

14°C

HumidityHumidity

High will be onWed. 3, Jun.

62%


Low will be onThu. 4, Jun.

41%

Wind SpeedWind Speed

High will be onFri. 5, Jun.

20.2km/h


Low will be onFri. 12, Jun.

16.2km/h

PrecipitationPrecipitation

High will be onFri. 12, Jun.

0.2mm


Low will be onWed. 3, Jun.

0.01mm

Ultraviolet IndexUV

High will be onThu. 4, Jun.

10.9


Low will be onWed. 10, Jun.

5