Topanga, California, United States Climate Change Severity

57
High
The current climate change severity in Topanga is High, with a 14.4% 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

Topanga 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), Topanga temperature has changed by around -4.9%, 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
12337
-69.9%
cloudyCloudy
4596
113.3%
rainyRainy
3435
2.9%
snowySnowy
00
0%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 15 years, Topanga 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, Topanga experienced significant changes:

Temperature change of

-0.8 °C

Variation in annual rainfall

-24.4 %

Change in average humidity

+9.4 %

PM2.5 levels surged by

-27.4 %

Heatwave changed by

-7.8 day(s)

Coldwave changed by

+7.2 day(s)

Wind speeds changed by

-0.5 km/h

These indicators show that Topanga 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.

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

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 11, Aug.
sunnySunny
Temperature Icon27°/18°
Humidity Icon67%
Wind Icon13km/h
Tue. 12, Aug.
partly cloudyPartly Cloudy
Temperature Icon27°/17°
Humidity Icon70%
Wind Icon13km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon29°/17°
Humidity Icon66%
Wind Icon14km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon29°/19°
Humidity Icon53%
Wind Icon14km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon27°/18°
Humidity Icon66%
Wind Icon12km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon26°/17°
Humidity Icon65%
Wind Icon12km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon27°/17°
Humidity Icon60%
Wind Icon12km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon29°/18°
Humidity Icon53%
Wind Icon12km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon30°/20°
Humidity Icon46%
Wind Icon12km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon32°/20°
Humidity Icon40%
Wind Icon12km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon37%
Wind Icon13km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon32°/22°
Humidity Icon38%
Wind Icon12km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon32°/21°
Humidity Icon40%
Wind Icon11km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon29°/20°
Humidity Icon60%
Wind Icon14km/h
Mon. 25, Aug.
sunnySunny
Temperature Icon30°/20°
Humidity Icon57%
Wind Icon14km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon31°/20°
Humidity Icon54%
Wind Icon14km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon31°/20°
Humidity Icon52%
Wind Icon14km/h
Thu. 28, Aug.
sunnySunny
Temperature Icon31°/21°
Humidity Icon52%
Wind Icon15km/h
Fri. 29, Aug.
sunnySunny
Temperature Icon31°/21°
Humidity Icon52%
Wind Icon14km/h
Sat. 30, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon31°/21°
Humidity Icon54%
Wind Icon14km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon30°/20°
Humidity Icon56%
Wind Icon14km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon30°/20°
Humidity Icon57%
Wind Icon14km/h
Tue. 2, Sep.
sunnySunny
Temperature Icon30°/20°
Humidity Icon60%
Wind Icon15km/h
Wed. 3, Sep.
moderate rain at timesModerate rain at times
Temperature Icon30°/20°
Humidity Icon59%
Wind Icon15km/h
Thu. 4, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon30°/20°
Humidity Icon56%
Wind Icon15km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon31°/21°
Humidity Icon53%
Wind Icon14km/h
Sat. 6, Sep.
sunnySunny
Temperature Icon31°/21°
Humidity Icon53%
Wind Icon15km/h
Sun. 7, Sep.
sunnySunny
Temperature Icon31°/21°
Humidity Icon55%
Wind Icon14km/h
Mon. 8, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon30°/21°
Humidity Icon55%
Wind Icon14km/h
Tue. 9, Sep.
moderate rain at timesModerate rain at times
Temperature Icon30°/21°
Humidity Icon53%
Wind Icon14km/h
Wed. 10, Sep.
moderate rain at timesModerate rain at times
Temperature Icon28°/20°
Humidity Icon59%
Wind Icon14km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 21, Aug.

32.9°C

Low will be onWed. 13, Aug.

16.5°C

HumidityHumidity

High will be onTue. 12, Aug.

70%

Low will be onThu. 21, Aug.

37%

Wind SpeedWind Speed

High will be onWed. 3, Sep.

15.1km/h

Low will be onSat. 23, Aug.

11.2km/h

PrecipitationPrecipitation

High will be onWed. 3, Sep.

0.6mm

Low will be onFri. 15, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 20, Aug.

7

Low will be onSun. 31, Aug.

5

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