Livermore, California, United States Climate Change Severity

62
Very High
The current climate change severity in Livermore is Very High, with a 21.7% 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


Livermore Weather Condition Changes (Historic Vs 2025)

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

Over the past 15 year(s), Livermore temperature has changed by around -8.9%, 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
10428
-73.07%

cloudyCloudy
5071
42%

rainyRainy
4333
-23.2%

snowySnowy
00
0%

mistyMisty
09
100%

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

Climate Change Indicators:

Over the past 15 years, Livermore has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (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

62/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Livermore experienced significant changes:

Temperature change of

-1.3 °C


Variation in annual rainfall

-30.9 %


Change in average humidity

+15.8 %


PM2.5 levels surged by

-13.6 %


Heatwave changed by

-6.9 day(s)


Coldwave changed by

+2.1 day(s)


Wind speeds changed by

+1.3 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Livermore'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 Jul.

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


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 12, Aug.
sunnySunny

Temperature Icon33°/12°

Humidity Icon66%

Wind Icon21km/h
Wed. 13, Aug.
cloudyCloudy

Temperature Icon31°/11°

Humidity Icon70%

Wind Icon20km/h
Thu. 14, Aug.
sunnySunny

Temperature Icon33°/13°

Humidity Icon57%

Wind Icon17km/h
Fri. 15, Aug.
sunnySunny

Temperature Icon35°/13°

Humidity Icon59%

Wind Icon20km/h
Sat. 16, Aug.
sunnySunny

Temperature Icon28°/13°

Humidity Icon71%

Wind Icon26km/h
Sun. 17, Aug.
partly cloudyPartly Cloudy

Temperature Icon29°/13°

Humidity Icon72%

Wind Icon21km/h
Mon. 18, Aug.
sunnySunny

Temperature Icon31°/11°

Humidity Icon61%

Wind Icon22km/h
Tue. 19, Aug.
sunnySunny

Temperature Icon31°/10°

Humidity Icon55%

Wind Icon18km/h
Wed. 20, Aug.
sunnySunny

Temperature Icon37°/14°

Humidity Icon34%

Wind Icon16km/h
Thu. 21, Aug.
sunnySunny

Temperature Icon40°/18°

Humidity Icon25%

Wind Icon17km/h
Fri. 22, Aug.
sunnySunny

Temperature Icon39°/16°

Humidity Icon30%

Wind Icon19km/h
Sat. 23, Aug.
sunnySunny

Temperature Icon31°/12°

Humidity Icon51%

Wind Icon19km/h
Sun. 24, Aug.
sunnySunny

Temperature Icon31°/11°

Humidity Icon57%

Wind Icon20km/h
Mon. 25, Aug.
sunnySunny

Temperature Icon31°/11°

Humidity Icon56%

Wind Icon20km/h
Tue. 26, Aug.
sunnySunny

Temperature Icon31°/14°

Humidity Icon53%

Wind Icon14km/h
Wed. 27, Aug.
sunnySunny

Temperature Icon31°/15°

Humidity Icon50%

Wind Icon15km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon32°/16°

Humidity Icon51%

Wind Icon16km/h
Fri. 29, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon30°/15°

Humidity Icon54%

Wind Icon14km/h
Sat. 30, Aug.
sunnySunny

Temperature Icon30°/15°

Humidity Icon54%

Wind Icon14km/h
Sun. 31, Aug.
sunnySunny

Temperature Icon30°/15°

Humidity Icon54%

Wind Icon15km/h
Mon. 1, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon31°/15°

Humidity Icon50%

Wind Icon14km/h
Tue. 2, Sep.
sunnySunny

Temperature Icon32°/16°

Humidity Icon51%

Wind Icon14km/h
Wed. 3, Sep.
sunnySunny

Temperature Icon31°/15°

Humidity Icon51%

Wind Icon14km/h
Thu. 4, Sep.
sunnySunny

Temperature Icon30°/15°

Humidity Icon52%

Wind Icon14km/h
Fri. 5, Sep.
sunnySunny

Temperature Icon31°/15°

Humidity Icon52%

Wind Icon13km/h
Sat. 6, Sep.
sunnySunny

Temperature Icon33°/16°

Humidity Icon44%

Wind Icon13km/h
Sun. 7, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon32°/16°

Humidity Icon45%

Wind Icon15km/h
Mon. 8, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon31°/16°

Humidity Icon49%

Wind Icon14km/h
Tue. 9, Sep.
sunnySunny

Temperature Icon31°/16°

Humidity Icon47%

Wind Icon14km/h
Wed. 10, Sep.
sunnySunny

Temperature Icon31°/15°

Humidity Icon50%

Wind Icon14km/h
Thu. 11, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon31°/16°

Humidity Icon52%

Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 21, Aug.

40°C


Low will be onTue. 19, Aug.

10.2°C

HumidityHumidity

High will be onSun. 17, Aug.

72%


Low will be onThu. 21, Aug.

25%

Wind SpeedWind Speed

High will be onSat. 16, Aug.

25.6km/h


Low will be onThu. 11, Sep.

13km/h

PrecipitationPrecipitation

High will be onThu. 11, Sep.

0.4mm


Low will be onSat. 16, Aug.

0.01mm

Ultraviolet IndexUV

High will be onThu. 21, Aug.

7


Low will be onSat. 16, Aug.

5