San Luis Obispo, California, United States Climate Change Severity

67
Very High
The current climate change severity in San Luis Obispo is Very High, with a 29.3% 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

San Luis Obispo 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), San Luis Obispo temperature has changed by around -11.3%, 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
12236
-70.4%
cloudyCloudy
4786
82.9%
rainyRainy
3225
-21.8%
snowySnowy
00
0%
mistyMisty
027
100%

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

Climate Change Indicators:

Over the past 15 years, San Luis Obispo 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 2025, San Luis Obispo experienced significant changes:

Temperature change of

-1.6 °C

Variation in annual rainfall

-22.7 %

Change in average humidity

+11.8 %

PM2.5 levels surged by

+12.2 %

Heatwave changed by

-6.8 day(s)

Coldwave changed by

+13 day(s)

Wind speeds changed by

-0.8 km/h

These indicators show a dramatic increase in volatility and worsening conditions. San Luis Obispo'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.

San Luis Obispo Weather Forecast 30 Days (August - September 2025)
San Luis Obispo, California, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 8, Aug.
partly cloudyPartly Cloudy
Temperature Icon27°/13°
Humidity Icon68%
Wind Icon13km/h
Sat. 9, Aug.
partly cloudyPartly Cloudy
Temperature Icon26°/12°
Humidity Icon65%
Wind Icon12km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy
Temperature Icon27°/12°
Humidity Icon60%
Wind Icon13km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon29°/14°
Humidity Icon55%
Wind Icon15km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon28°/12°
Humidity Icon57%
Wind Icon14km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon23°/11°
Humidity Icon73%
Wind Icon14km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon25°/11°
Humidity Icon71%
Wind Icon16km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon23°/12°
Humidity Icon74%
Wind Icon14km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon22°/10°
Humidity Icon76%
Wind Icon12km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon22°/10°
Humidity Icon75%
Wind Icon13km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon23°/10°
Humidity Icon69%
Wind Icon13km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon24°/11°
Humidity Icon66%
Wind Icon14km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon25°/11°
Humidity Icon69%
Wind Icon14km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon24°/11°
Humidity Icon69%
Wind Icon13km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon26°/16°
Humidity Icon67%
Wind Icon15km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon26°/16°
Humidity Icon65%
Wind Icon15km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon27°/16°
Humidity Icon64%
Wind Icon15km/h
Mon. 25, Aug.
sunnySunny
Temperature Icon26°/16°
Humidity Icon63%
Wind Icon14km/h
Tue. 26, Aug.
sunnySunny
Temperature Icon27°/15°
Humidity Icon59%
Wind Icon15km/h
Wed. 27, Aug.
sunnySunny
Temperature Icon29°/16°
Humidity Icon56%
Wind Icon14km/h
Thu. 28, Aug.
sunnySunny
Temperature Icon28°/16°
Humidity Icon56%
Wind Icon15km/h
Fri. 29, Aug.
sunnySunny
Temperature Icon29°/17°
Humidity Icon54%
Wind Icon16km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon29°/17°
Humidity Icon52%
Wind Icon16km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon27°/17°
Humidity Icon54%
Wind Icon15km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon28°/17°
Humidity Icon55%
Wind Icon14km/h
Tue. 2, Sep.
sunnySunny
Temperature Icon27°/17°
Humidity Icon60%
Wind Icon14km/h
Wed. 3, Sep.
sunnySunny
Temperature Icon28°/17°
Humidity Icon59%
Wind Icon16km/h
Thu. 4, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon28°/17°
Humidity Icon57%
Wind Icon16km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon28°/16°
Humidity Icon56%
Wind Icon14km/h
Sat. 6, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon29°/17°
Humidity Icon52%
Wind Icon14km/h
Sun. 7, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon28°/18°
Humidity Icon52%
Wind Icon15km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 29, Aug.

29°C

Low will be onSun. 17, Aug.

9.9°C

HumidityHumidity

High will be onSat. 16, Aug.

76%

Low will be onSat. 30, Aug.

52%

Wind SpeedWind Speed

High will be onFri. 29, Aug.

16.2km/h

Low will be onSat. 9, Aug.

11.5km/h

PrecipitationPrecipitation

High will be onTue. 12, Aug.

0.04mm

Low will be onWed. 13, Aug.

0.01mm

Ultraviolet IndexUV

High will be onFri. 22, Aug.

6

Low will be onWed. 13, Aug.

5

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