Chula Vista, California, United States Climate Change Severity

52
High
The current climate change severity in Chula Vista is High, with a 3.03% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Chula Vista Weather Condition Changes (Historic Vs 2025)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Chula Vista temperature has changed by around -8.4%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
1079
-91.5%

cloudyCloudy
59104
76.2%

rainyRainy
3639
8.3%

snowySnowy
00
0%

mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 15 years, Chula Vista 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 2025, Chula Vista experienced significant changes:

Temperature change of

-1.4 °C


Variation in annual rainfall

-11.3 %


Change in average humidity

+17.8 %


PM2.5 levels surged by

-6.4 %


Heatwave changed by

-8.06 day(s)


Coldwave changed by

-0.5 day(s)


Wind speeds changed by

-0.6 km/h


These indicators show that Chula Vista 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.

Chula Vista Weather Forecast 30 Days (August - September 2025)
Chula Vista, California, United States


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 8, Aug.
partly cloudyPartly Cloudy

Temperature Icon26°/19°

Humidity Icon75%

Wind Icon15km/h
Sat. 9, Aug.
partly cloudyPartly Cloudy

Temperature Icon23°/18°

Humidity Icon82%

Wind Icon14km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy

Temperature Icon24°/17°

Humidity Icon80%

Wind Icon15km/h
Mon. 11, Aug.
sunnySunny

Temperature Icon26°/20°

Humidity Icon61%

Wind Icon14km/h
Tue. 12, Aug.
sunnySunny

Temperature Icon25°/19°

Humidity Icon68%

Wind Icon15km/h
Wed. 13, Aug.
sunnySunny

Temperature Icon25°/19°

Humidity Icon69%

Wind Icon14km/h
Thu. 14, Aug.
sunnySunny

Temperature Icon25°/19°

Humidity Icon69%

Wind Icon15km/h
Fri. 15, Aug.
sunnySunny

Temperature Icon24°/19°

Humidity Icon70%

Wind Icon14km/h
Sat. 16, Aug.
sunnySunny

Temperature Icon24°/19°

Humidity Icon66%

Wind Icon16km/h
Sun. 17, Aug.
sunnySunny

Temperature Icon25°/19°

Humidity Icon64%

Wind Icon16km/h
Mon. 18, Aug.
sunnySunny

Temperature Icon26°/19°

Humidity Icon61%

Wind Icon16km/h
Tue. 19, Aug.
sunnySunny

Temperature Icon27°/20°

Humidity Icon57%

Wind Icon16km/h
Wed. 20, Aug.
sunnySunny

Temperature Icon26°/20°

Humidity Icon60%

Wind Icon16km/h
Thu. 21, Aug.
sunnySunny

Temperature Icon26°/20°

Humidity Icon65%

Wind Icon15km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon26°/20°

Humidity Icon69%

Wind Icon17km/h
Sat. 23, Aug.
sunnySunny

Temperature Icon27°/20°

Humidity Icon67%

Wind Icon16km/h
Sun. 24, Aug.
sunnySunny

Temperature Icon27°/20°

Humidity Icon67%

Wind Icon17km/h
Mon. 25, Aug.
sunnySunny

Temperature Icon27°/20°

Humidity Icon65%

Wind Icon16km/h
Tue. 26, Aug.
sunnySunny

Temperature Icon28°/21°

Humidity Icon62%

Wind Icon17km/h
Wed. 27, Aug.
sunnySunny

Temperature Icon28°/21°

Humidity Icon61%

Wind Icon17km/h
Thu. 28, Aug.
sunnySunny

Temperature Icon28°/21°

Humidity Icon61%

Wind Icon17km/h
Fri. 29, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon28°/21°

Humidity Icon61%

Wind Icon16km/h
Sat. 30, Aug.
sunnySunny

Temperature Icon28°/20°

Humidity Icon63%

Wind Icon14km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon28°/21°

Humidity Icon63%

Wind Icon14km/h
Mon. 1, Sep.
sunnySunny

Temperature Icon27°/20°

Humidity Icon64%

Wind Icon16km/h
Tue. 2, Sep.
sunnySunny

Temperature Icon28°/21°

Humidity Icon65%

Wind Icon16km/h
Wed. 3, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon27°/20°

Humidity Icon65%

Wind Icon17km/h
Thu. 4, Sep.
sunnySunny

Temperature Icon27°/20°

Humidity Icon63%

Wind Icon17km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon28°/21°

Humidity Icon62%

Wind Icon16km/h
Sat. 6, Sep.
sunnySunny

Temperature Icon28°/21°

Humidity Icon62%

Wind Icon17km/h
Sun. 7, Sep.
sunnySunny

Temperature Icon28°/21°

Humidity Icon64%

Wind Icon17km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 27, Aug.

28.3°C


Low will be onSun. 10, Aug.

17.4°C

HumidityHumidity

High will be onSat. 9, Aug.

82%


Low will be onTue. 19, Aug.

57%

Wind SpeedWind Speed

High will be onFri. 22, Aug.

16.9km/h


Low will be onWed. 13, Aug.

14km/h

PrecipitationPrecipitation

High will be onWed. 3, Sep.

0.2mm


Low will be onTue. 12, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 13, Aug.

6


Low will be onFri. 22, Aug.

5