Port Isabel, Texas, United States Climate Change Severity

48
High
The current climate change severity in Port Isabel is High, with a 3.7% 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 Jun. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Port Isabel 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), Port Isabel temperature has changed by around -2.3%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jun. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
3010
-66.6%
cloudyCloudy
5512
-78.1%
rainyRainy
8173
-9.8%
snowySnowy
00
0%
mistyMisty
01
100%

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

Climate Change Indicators:

Over the past 15 years, Port Isabel has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Port Isabel experienced significant changes:

Temperature change of

-0.5 °C

Variation in annual rainfall

-5.2 %

Change in average humidity

+13.1 %

PM2.5 levels surged by

-38.4 %

Heatwave changed by

-7.6 day(s)

Coldwave changed by

+0.6 day(s)

Wind speeds changed by

-0.06 km/h

These indicators show that Port Isabel 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 Jun.

Port Isabel Weather Forecast 30 Days (July - August 2025)
Port Isabel, Texas, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 29, Jul.
partly cloudyPartly Cloudy
Temperature Icon28°/26°
Humidity Icon88%
Wind Icon18km/h
Wed. 30, Jul.
cloudyCloudy
Temperature Icon27°/26°
Humidity Icon93%
Wind Icon23km/h
Thu. 31, Jul.
partly cloudyPartly Cloudy
Temperature Icon28°/26°
Humidity Icon92%
Wind Icon25km/h
Fri. 1, Aug.
partly cloudyPartly Cloudy
Temperature Icon31°/26°
Humidity Icon86%
Wind Icon26km/h
Sat. 2, Aug.
sunnySunny
Temperature Icon30°/27°
Humidity Icon80%
Wind Icon25km/h
Sun. 3, Aug.
sunnySunny
Temperature Icon31°/27°
Humidity Icon80%
Wind Icon26km/h
Mon. 4, Aug.
sunnySunny
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon27km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/27°
Humidity Icon81%
Wind Icon28km/h
Wed. 6, Aug.
sunnySunny
Temperature Icon30°/27°
Humidity Icon81%
Wind Icon27km/h
Thu. 7, Aug.
sunnySunny
Temperature Icon31°/27°
Humidity Icon79%
Wind Icon23km/h
Fri. 8, Aug.
sunnySunny
Temperature Icon30°/27°
Humidity Icon78%
Wind Icon26km/h
Sat. 9, Aug.
partly cloudyPartly Cloudy
Temperature Icon30°/27°
Humidity Icon79%
Wind Icon26km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy
Temperature Icon30°/27°
Humidity Icon80%
Wind Icon24km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/28°
Humidity Icon80%
Wind Icon25km/h
Tue. 12, Aug.
moderate rain at timesModerate rain at times
Temperature Icon31°/28°
Humidity Icon77%
Wind Icon25km/h
Wed. 13, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon31°/28°
Humidity Icon76%
Wind Icon25km/h
Thu. 14, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/28°
Humidity Icon76%
Wind Icon24km/h
Fri. 15, Aug.
moderate rain at timesModerate rain at times
Temperature Icon31°/28°
Humidity Icon76%
Wind Icon25km/h
Sat. 16, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon25km/h
Sun. 17, Aug.
moderate rain at timesModerate rain at times
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon25km/h
Mon. 18, Aug.
moderate rain at timesModerate rain at times
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon25km/h
Tue. 19, Aug.
moderate rain at timesModerate rain at times
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon26km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon26km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon25km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/28°
Humidity Icon74%
Wind Icon24km/h
Sat. 23, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon31°/28°
Humidity Icon74%
Wind Icon23km/h
Sun. 24, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon23km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/28°
Humidity Icon75%
Wind Icon25km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/28°
Humidity Icon74%
Wind Icon24km/h
Wed. 27, Aug.
moderate rain at timesModerate rain at times
Temperature Icon31°/28°
Humidity Icon73%
Wind Icon24km/h
Thu. 28, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon31°/27°
Humidity Icon72%
Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 17, Aug.

31.2°C

Low will be onWed. 30, Jul.

25.6°C

HumidityHumidity

High will be onWed. 30, Jul.

93%

Low will be onThu. 28, Aug.

72%

Wind SpeedWind Speed

High will be onTue. 5, Aug.

28.1km/h

Low will be onTue. 29, Jul.

18.4km/h

PrecipitationPrecipitation

High will be onMon. 25, Aug.

3.5mm

Low will be onThu. 7, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSun. 3, Aug.

7

Low will be onTue. 5, Aug.

6

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