San Rafael, California, United States Climate Change Severity

52
High
The current climate change severity in San Rafael is High, with a 9.9% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

San Rafael Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), San Rafael temperature has changed by around +13.2%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
76113
48.6%
cloudyCloudy
5920
-66.1%
rainyRainy
4317
-60.4%
snowySnowy
00
0%
mistyMisty
333
1000%

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

Climate Change Indicators:

Over the past 16 years, San Rafael 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 2026, San Rafael experienced significant changes:

Temperature change of

+1.77 °C

Variation in annual rainfall

+39.26 %

Change in average humidity

-3.64 %

PM2.5 levels surged by

-21.5 %

Heatwave changed by

-2 Days

Coldwave changed by

-3 Days

Wind speeds changed by

-0.09 km/h

These indicators show that San Rafael 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.

San Rafael Weather Forecast 30 Days (August - September 2026)
San Rafael, California, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Mon. 17, Aug.
overcastOvercast
Temperature Icon24°/10°
Humidity Icon73%
Wind Icon27km/h
Tue. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/10°
Humidity Icon62%
Wind Icon25.6km/h
Wed. 19, Aug.
sunnySunny
Temperature Icon12°/10°
Humidity Icon61%
Wind Icon40.7km/h
Thu. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/12°
Humidity Icon82%
Wind Icon70.2km/h
Fri. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/12°
Humidity Icon86%
Wind Icon67km/h
Sat. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/11°
Humidity Icon70%
Wind Icon34.6km/h
Sun. 23, Aug.
sunnySunny
Temperature Icon11°/10°
Humidity Icon61%
Wind Icon34.6km/h
Mon. 24, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/11°
Humidity Icon73%
Wind Icon35.3km/h
Tue. 25, Aug.
sunnySunny
Temperature Icon23°/13°
Humidity Icon77%
Wind Icon15.7km/h
Wed. 26, Aug.
sunnySunny
Temperature Icon23°/13°
Humidity Icon75%
Wind Icon16.5km/h
Thu. 27, Aug.
sunnySunny
Temperature Icon25°/14°
Humidity Icon73%
Wind Icon16.9km/h
Fri. 28, Aug.
patchy rain possibleRain Possible
Temperature Icon24°/14°
Humidity Icon73%
Wind Icon17.5km/h
Sat. 29, Aug.
patchy rain possibleRain Possible
Temperature Icon23°/14°
Humidity Icon75%
Wind Icon17.9km/h
Sun. 30, Aug.
sunnySunny
Temperature Icon24°/14°
Humidity Icon76%
Wind Icon17.1km/h
Mon. 31, Aug.
patchy rain possibleRain Possible
Temperature Icon24°/13°
Humidity Icon76%
Wind Icon16.2km/h
Tue. 1, Sep.
sunnySunny
Temperature Icon25°/14°
Humidity Icon71%
Wind Icon16.9km/h
Wed. 2, Sep.
patchy rain possibleRain Possible
Temperature Icon25°/14°
Humidity Icon73%
Wind Icon16.3km/h
Thu. 3, Sep.
sunnySunny
Temperature Icon25°/14°
Humidity Icon71%
Wind Icon15.1km/h
Fri. 4, Sep.
sunnySunny
Temperature Icon24°/14°
Humidity Icon73%
Wind Icon15.9km/h
Sat. 5, Sep.
sunnySunny
Temperature Icon25°/14°
Humidity Icon74%
Wind Icon15.7km/h
Sun. 6, Sep.
patchy rain possibleRain Possible
Temperature Icon26°/14°
Humidity Icon69%
Wind Icon15.3km/h
Mon. 7, Sep.
patchy rain possibleRain Possible
Temperature Icon26°/15°
Humidity Icon69%
Wind Icon17.3km/h
Tue. 8, Sep.
sunnySunny
Temperature Icon25°/14°
Humidity Icon72%
Wind Icon16.1km/h
Wed. 9, Sep.
moderate rain at timesRain
Temperature Icon24°/14°
Humidity Icon73%
Wind Icon16.4km/h
Thu. 10, Sep.
patchy rain possibleRain Possible
Temperature Icon24°/14°
Humidity Icon73%
Wind Icon15km/h
Fri. 11, Sep.
patchy rain possibleRain Possible
Temperature Icon24°/14°
Humidity Icon74%
Wind Icon15.6km/h
Sat. 12, Sep.
sunnySunny
Temperature Icon23°/14°
Humidity Icon77%
Wind Icon15.6km/h
Sun. 13, Sep.
patchy rain possibleRain Possible
Temperature Icon23°/14°
Humidity Icon78%
Wind Icon15.6km/h
Mon. 14, Sep.
sunnySunny
Temperature Icon22°/13°
Humidity Icon78%
Wind Icon16.3km/h
Tue. 15, Sep.
patchy rain possibleRain Possible
Temperature Icon22°/13°
Humidity Icon78%
Wind Icon19.2km/h
Wed. 16, Sep.
patchy rain possibleRain Possible
Temperature Icon22°/13°
Humidity Icon78%
Wind Icon17.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 6, Sep.

26°C

Low will be onMon. 17, Aug.

10°C

HumidityHumidity

High will be onFri. 21, Aug.

86%

Low will be onWed. 19, Aug.

61%

Wind SpeedWind Speed

High will be onThu. 20, Aug.

70.2km/h

Low will be onThu. 10, Sep.

15km/h

PrecipitationPrecipitation

High will be onThu. 20, Aug.

30.9mm

Low will be onSat. 29, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 19, Aug.

9.1

Low will be onMon. 24, Aug.

3

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