Galveston, Texas, United States Climate Change Severity

48
High
The current climate change severity in Galveston is High, with a 0.7% 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 Aug. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Galveston 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), Galveston temperature has changed by around +1.4%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
4297
130.9%
cloudyCloudy
4321
-51.1%
rainyRainy
13555
-59.2%
snowySnowy
00
0%
mistyMisty
06
100%

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

Climate Change Indicators:

Over the past 16 years, Galveston 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 2026, Galveston experienced significant changes:

Temperature change of

+0.31 °C

Variation in annual rainfall

+8.92 %

Change in average humidity

+4.78 %

PM2.5 levels surged by

-25.95 %

Heatwave changed by

0 Day

Coldwave changed by

-5 Days

Wind speeds changed by

+4.78 km/h

These indicators show that Galveston 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 Aug.

Galveston Weather Forecast 30 Days (September - October 2026)
Galveston, Texas, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 25, Sep.
sunnySunny
Temperature Icon30°/26°
Humidity Icon57%
Wind Icon25.6km/h
Sat. 26, Sep.
overcastOvercast
Temperature Icon29°/28°
Humidity Icon60%
Wind Icon23.4km/h
Sun. 27, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/29°
Humidity Icon67%
Wind Icon20.9km/h
Mon. 28, Sep.
sunnySunny
Temperature Icon29°/29°
Humidity Icon64%
Wind Icon27.7km/h
Tue. 29, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/28°
Humidity Icon73%
Wind Icon33.5km/h
Wed. 30, Sep.
light rain showerRain Shower
Temperature Icon29°/29°
Humidity Icon76%
Wind Icon37.8km/h
Thu. 1, Oct.
light rain showerRain Shower
Temperature Icon29°/27°
Humidity Icon81%
Wind Icon36km/h
Fri. 2, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon29.2km/h
Sat. 3, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon28°/22°
Humidity Icon69%
Wind Icon21.3km/h
Sun. 4, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/22°
Humidity Icon69%
Wind Icon22.6km/h
Mon. 5, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon28°/22°
Humidity Icon72%
Wind Icon21km/h
Tue. 6, Oct.
moderate rain at timesRain
Temperature Icon28°/22°
Humidity Icon71%
Wind Icon21.7km/h
Wed. 7, Oct.
moderate rain at timesRain
Temperature Icon28°/22°
Humidity Icon71%
Wind Icon22.5km/h
Thu. 8, Oct.
heavy rain at timesHeavy Rain
Temperature Icon27°/22°
Humidity Icon70%
Wind Icon23.2km/h
Fri. 9, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/21°
Humidity Icon71%
Wind Icon24.6km/h
Sat. 10, Oct.
heavy rain at timesHeavy Rain
Temperature Icon27°/22°
Humidity Icon72%
Wind Icon23.4km/h
Sun. 11, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/21°
Humidity Icon76%
Wind Icon24.7km/h
Mon. 12, Oct.
heavy rain at timesHeavy Rain
Temperature Icon28°/23°
Humidity Icon77%
Wind Icon21.8km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon28°/23°
Humidity Icon76%
Wind Icon23km/h
Wed. 14, Oct.
heavy rain at timesHeavy Rain
Temperature Icon28°/22°
Humidity Icon71%
Wind Icon22.6km/h
Thu. 15, Oct.
moderate rain at timesRain
Temperature Icon28°/21°
Humidity Icon73%
Wind Icon23.5km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/19°
Humidity Icon70%
Wind Icon26.8km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/19°
Humidity Icon70%
Wind Icon25.4km/h
Sun. 18, Oct.
heavy rain at timesHeavy Rain
Temperature Icon25°/19°
Humidity Icon69%
Wind Icon25.9km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/19°
Humidity Icon68%
Wind Icon25.8km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/20°
Humidity Icon71%
Wind Icon24.2km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/21°
Humidity Icon74%
Wind Icon25.1km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/20°
Humidity Icon73%
Wind Icon25.4km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/20°
Humidity Icon73%
Wind Icon24.3km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/20°
Humidity Icon74%
Wind Icon25km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/19°
Humidity Icon75%
Wind Icon27.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 25, Sep.

30°C

Low will be onFri. 16, Oct.

19°C

HumidityHumidity

High will be onFri. 2, Oct.

82%

Low will be onFri. 25, Sep.

57%

Wind SpeedWind Speed

High will be onWed. 30, Sep.

37.8km/h

Low will be onSun. 27, Sep.

20.9km/h

PrecipitationPrecipitation

High will be onFri. 2, Oct.

49.6mm

Low will be onSat. 26, Sep.

0.02mm

Ultraviolet IndexUV

High will be onFri. 25, Sep.

8.8

Low will be onSat. 3, Oct.

5

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