Glendale, Arizona, United States Climate Change Severity

43
High
The current climate change severity in Glendale is High, with a -23.2% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Glendale 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), Glendale temperature has changed by around +0.7%, 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
131130
-0.7%
cloudyCloudy
3930
-23.07%
rainyRainy
2318
-21.7%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Glendale has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Glendale experienced significant changes:

Temperature change of

+0.1 °C

Variation in annual rainfall

-46.04 %

Change in average humidity

+4.1 %

PM2.5 levels surged by

+22.8 %

Heatwave changed by

-1.4 day(s)

Coldwave changed by

-1.8 day(s)

Wind speeds changed by

+1.3 km/h

These indicators show improvement in key parametes of climate, but Glendale remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Glendale Weather Forecast 30 Days (August - September 2025)
Glendale, Arizona, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 8, Aug.
sunnySunny
Temperature Icon46°/30°
Humidity Icon24%
Wind Icon30km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon43°/29°
Humidity Icon33%
Wind Icon27km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon43°/28°
Humidity Icon29%
Wind Icon28km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon43°/29°
Humidity Icon28%
Wind Icon28km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon43°/32°
Humidity Icon18%
Wind Icon24km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon43°/33°
Humidity Icon19%
Wind Icon22km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon42°/32°
Humidity Icon24%
Wind Icon25km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon39°/29°
Humidity Icon38%
Wind Icon24km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon39°/30°
Humidity Icon35%
Wind Icon29km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon39°/30°
Humidity Icon15%
Wind Icon14km/h
Mon. 18, Aug.
partly cloudyPartly Cloudy
Temperature Icon39°/31°
Humidity Icon21%
Wind Icon20km/h
Tue. 19, Aug.
partly cloudyPartly Cloudy
Temperature Icon40°/31°
Humidity Icon25%
Wind Icon18km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon42°/32°
Humidity Icon23%
Wind Icon17km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon43°/33°
Humidity Icon28%
Wind Icon25km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon37°/28°
Humidity Icon37%
Wind Icon14km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon38°/28°
Humidity Icon34%
Wind Icon14km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon39°/28°
Humidity Icon33%
Wind Icon15km/h
Mon. 25, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon38°/29°
Humidity Icon34%
Wind Icon15km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon39°/29°
Humidity Icon31%
Wind Icon15km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon40°/29°
Humidity Icon29%
Wind Icon14km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon40°/29°
Humidity Icon27%
Wind Icon16km/h
Fri. 29, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon40°/29°
Humidity Icon29%
Wind Icon14km/h
Sat. 30, Aug.
moderate rain at timesModerate rain at times
Temperature Icon39°/29°
Humidity Icon30%
Wind Icon15km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon39°/29°
Humidity Icon31%
Wind Icon16km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon38°/28°
Humidity Icon32%
Wind Icon14km/h
Tue. 2, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon38°/28°
Humidity Icon32%
Wind Icon14km/h
Wed. 3, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon39°/28°
Humidity Icon30%
Wind Icon17km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon39°/28°
Humidity Icon30%
Wind Icon16km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon39°/28°
Humidity Icon29%
Wind Icon13km/h
Sat. 6, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon39°/29°
Humidity Icon29%
Wind Icon14km/h
Sun. 7, Sep.
moderate rain at timesModerate rain at times
Temperature Icon38°/28°
Humidity Icon35%
Wind Icon14km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 8, Aug.

45.7°C

Low will be onFri. 22, Aug.

27.5°C

HumidityHumidity

High will be onFri. 15, Aug.

38%

Low will be onSun. 17, Aug.

15%

Wind SpeedWind Speed

High will be onFri. 8, Aug.

29.5km/h

Low will be onFri. 5, Sep.

12.6km/h

PrecipitationPrecipitation

High will be onMon. 1, Sep.

3.9mm

Low will be onSat. 6, Sep.

0.1mm

Ultraviolet IndexUV

High will be onWed. 13, Aug.

9

Low will be onFri. 15, Aug.

7

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