Alameda, California, United States Climate Change Severity

57
High
The current climate change severity in Alameda is High, with a 14.7% 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
°C

Alameda Weather Condition Changes (Historic Vs 2025)

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

Over the past 15 year(s), Alameda temperature has changed by around -11.5%, 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
9113
-85.7%
cloudyCloudy
6222
-64.5%
rainyRainy
4238
-9.5%
snowySnowy
00
0%
mistyMisty
039
100%

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

Climate Change Indicators:

Over the past 15 years, Alameda has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (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

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Alameda experienced significant changes:

Temperature change of

-1.5 °C

Variation in annual rainfall

-9.6 %

Change in average humidity

+20.8 %

PM2.5 levels surged by

-16.9 %

Heatwave changed by

-2.6 day(s)

Coldwave changed by

+11.6 day(s)

Wind speeds changed by

-1.2 km/h

These indicators show that Alameda 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.

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

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon16°/12°
Humidity Icon90%
Wind Icon16km/h
Tue. 12, Aug.
overcastOvercast
Temperature Icon17°/12°
Humidity Icon91%
Wind Icon17km/h
Wed. 13, Aug.
overcastOvercast
Temperature Icon19°/13°
Humidity Icon90%
Wind Icon17km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon76%
Wind Icon17km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon80%
Wind Icon14km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon21°/16°
Humidity Icon82%
Wind Icon19km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/15°
Humidity Icon85%
Wind Icon16km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon21°/14°
Humidity Icon78%
Wind Icon17km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon20°/14°
Humidity Icon77%
Wind Icon15km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon26°/13°
Humidity Icon66%
Wind Icon13km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon28°/15°
Humidity Icon61%
Wind Icon14km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon25°/15°
Humidity Icon65%
Wind Icon14km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon21°/15°
Humidity Icon74%
Wind Icon15km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon75%
Wind Icon16km/h
Mon. 25, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon74%
Wind Icon15km/h
Tue. 26, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon72%
Wind Icon16km/h
Wed. 27, Aug.
sunnySunny
Temperature Icon24°/14°
Humidity Icon69%
Wind Icon17km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon24°/15°
Humidity Icon70%
Wind Icon17km/h
Fri. 29, Aug.
sunnySunny
Temperature Icon23°/15°
Humidity Icon72%
Wind Icon17km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon74%
Wind Icon17km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon73%
Wind Icon17km/h
Mon. 1, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon24°/15°
Humidity Icon67%
Wind Icon17km/h
Tue. 2, Sep.
sunnySunny
Temperature Icon24°/15°
Humidity Icon69%
Wind Icon16km/h
Wed. 3, Sep.
sunnySunny
Temperature Icon23°/15°
Humidity Icon69%
Wind Icon16km/h
Thu. 4, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon23°/14°
Humidity Icon71%
Wind Icon15km/h
Fri. 5, Sep.
sunnySunny
Temperature Icon23°/14°
Humidity Icon72%
Wind Icon16km/h
Sat. 6, Sep.
sunnySunny
Temperature Icon25°/15°
Humidity Icon65%
Wind Icon16km/h
Sun. 7, Sep.
sunnySunny
Temperature Icon24°/15°
Humidity Icon66%
Wind Icon16km/h
Mon. 8, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon24°/15°
Humidity Icon68%
Wind Icon16km/h
Tue. 9, Sep.
sunnySunny
Temperature Icon24°/15°
Humidity Icon69%
Wind Icon16km/h
Wed. 10, Sep.
sunnySunny
Temperature Icon24°/15°
Humidity Icon69%
Wind Icon15km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 21, Aug.

28°C

Low will be onMon. 11, Aug.

12.1°C

HumidityHumidity

High will be onTue. 12, Aug.

91%

Low will be onThu. 21, Aug.

61%

Wind SpeedWind Speed

High will be onSat. 16, Aug.

18.7km/h

Low will be onWed. 20, Aug.

13km/h

PrecipitationPrecipitation

High will be onSun. 17, Aug.

0.1mm

Low will be onMon. 18, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSat. 16, Aug.

5

Low will be onSun. 17, Aug.

4

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