Seaside, California, United States Climate Change Severity

57
High
The current climate change severity in Seaside is High, with a 20.2% 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

Seaside 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), Seaside temperature has changed by around -13.6%, 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
9713
-86.5%
cloudyCloudy
5737
-35.08%
rainyRainy
4639
-15.2%
snowySnowy
00
0%
mistyMisty
038
100%

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

Climate Change Indicators:

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

Temperature change of

-1.7 °C

Variation in annual rainfall

-20.2 %

Change in average humidity

+19.6 %

PM2.5 levels surged by

-7.2 %

Heatwave changed by

-3.7 day(s)

Coldwave changed by

+5.1 day(s)

Wind speeds changed by

-0.07 km/h

These indicators show that Seaside 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.

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

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 9, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/13°
Humidity Icon90%
Wind Icon12km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy
Temperature Icon18°/13°
Humidity Icon90%
Wind Icon12km/h
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon23°/13°
Humidity Icon81%
Wind Icon13km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/13°
Humidity Icon74%
Wind Icon15km/h
Wed. 13, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/13°
Humidity Icon78%
Wind Icon15km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon19°/12°
Humidity Icon85%
Wind Icon18km/h
Fri. 15, Aug.
partly cloudyPartly Cloudy
Temperature Icon18°/12°
Humidity Icon85%
Wind Icon17km/h
Sat. 16, Aug.
partly cloudyPartly Cloudy
Temperature Icon20°/12°
Humidity Icon83%
Wind Icon13km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon20°/13°
Humidity Icon80%
Wind Icon13km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon21°/13°
Humidity Icon80%
Wind Icon13km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon21°/13°
Humidity Icon75%
Wind Icon12km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon68%
Wind Icon12km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon70%
Wind Icon12km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon20°/13°
Humidity Icon76%
Wind Icon14km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon23°/14°
Humidity Icon76%
Wind Icon15km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon76%
Wind Icon15km/h
Mon. 25, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon75%
Wind Icon14km/h
Tue. 26, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon73%
Wind Icon15km/h
Wed. 27, Aug.
sunnySunny
Temperature Icon24°/14°
Humidity Icon71%
Wind Icon16km/h
Thu. 28, Aug.
sunnySunny
Temperature Icon24°/15°
Humidity Icon72%
Wind Icon16km/h
Fri. 29, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon74%
Wind Icon16km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon23°/14°
Humidity Icon74%
Wind Icon16km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon74%
Wind Icon16km/h
Mon. 1, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon24°/14°
Humidity Icon69%
Wind Icon15km/h
Tue. 2, Sep.
sunnySunny
Temperature Icon24°/15°
Humidity Icon70%
Wind Icon15km/h
Wed. 3, Sep.
sunnySunny
Temperature Icon23°/14°
Humidity Icon71%
Wind Icon15km/h
Thu. 4, Sep.
sunnySunny
Temperature Icon22°/14°
Humidity Icon73%
Wind Icon16km/h
Fri. 5, Sep.
sunnySunny
Temperature Icon23°/14°
Humidity Icon73%
Wind Icon15km/h
Sat. 6, Sep.
sunnySunny
Temperature Icon24°/15°
Humidity Icon68%
Wind Icon15km/h
Sun. 7, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon24°/15°
Humidity Icon67%
Wind Icon16km/h
Mon. 8, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon23°/15°
Humidity Icon70%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 6, Sep.

24.2°C

Low will be onThu. 14, Aug.

12.3°C

HumidityHumidity

High will be onSat. 9, Aug.

90%

Low will be onSun. 7, Sep.

67%

Wind SpeedWind Speed

High will be onThu. 14, Aug.

18km/h

Low will be onSat. 9, Aug.

11.9km/h

PrecipitationPrecipitation

High will be onTue. 12, Aug.

0.1mm

Low will be onMon. 11, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 13, Aug.

5

Low will be onFri. 15, Aug.

4

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