Casa Grande, Arizona, United States Climate Change Severity

57
High
The current climate change severity in Casa Grande is High, with a 19.08% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Casa Grande 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), Casa Grande temperature has changed by around -2.9%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
164160
-2.4%
cloudyCloudy
5037
-26%
rainyRainy
3720
-45.9%
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, Casa Grande 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, Casa Grande experienced significant changes:

Temperature change of

-0.7 °C

Variation in annual rainfall

-8.3 %

Change in average humidity

+16.5 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-7.8 day(s)

Coldwave changed by

-3.5 day(s)

Wind speeds changed by

+4.5 km/h

These indicators show that Casa Grande 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 Sep.

Casa Grande Weather Forecast 30 Days (October - November 2025)
Casa Grande, Arizona, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 28, Oct.
sunnySunny
Temperature Icon35°/14°
Humidity Icon22%
Wind Icon11km/h
Wed. 29, Oct.
sunnySunny
Temperature Icon31°/13°
Humidity Icon28%
Wind Icon21km/h
Thu. 30, Oct.
sunnySunny
Temperature Icon31°/10°
Humidity Icon32%
Wind Icon14km/h
Fri. 31, Oct.
sunnySunny
Temperature Icon30°/17°
Humidity Icon26%
Wind Icon14km/h
Sat. 1, Nov.
sunnySunny
Temperature Icon29°/19°
Humidity Icon28%
Wind Icon9km/h
Sun. 2, Nov.
sunnySunny
Temperature Icon30°/20°
Humidity Icon26%
Wind Icon8km/h
Mon. 3, Nov.
sunnySunny
Temperature Icon31°/20°
Humidity Icon24%
Wind Icon9km/h
Tue. 4, Nov.
sunnySunny
Temperature Icon31°/21°
Humidity Icon23%
Wind Icon20km/h
Wed. 5, Nov.
sunnySunny
Temperature Icon30°/20°
Humidity Icon23%
Wind Icon25km/h
Thu. 6, Nov.
sunnySunny
Temperature Icon26°/17°
Humidity Icon35%
Wind Icon10km/h
Fri. 7, Nov.
sunnySunny
Temperature Icon27°/17°
Humidity Icon34%
Wind Icon8km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon28°/17°
Humidity Icon24%
Wind Icon43km/h
Sun. 9, Nov.
sunnySunny
Temperature Icon26°/15°
Humidity Icon15%
Wind Icon29km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon27°/15°
Humidity Icon17%
Wind Icon16km/h
Wed. 12, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon25°/11°
Humidity Icon31%
Wind Icon16km/h
Thu. 13, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon24°/11°
Humidity Icon34%
Wind Icon16km/h
Fri. 14, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon24°/11°
Humidity Icon33%
Wind Icon13km/h
Sat. 15, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon24°/11°
Humidity Icon34%
Wind Icon13km/h
Sun. 16, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon24°/11°
Humidity Icon34%
Wind Icon14km/h
Mon. 17, Nov.
sunnySunny
Temperature Icon23°/10°
Humidity Icon32%
Wind Icon13km/h
Tue. 18, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon24°/10°
Humidity Icon32%
Wind Icon12km/h
Wed. 19, Nov.
moderate rain at timesModerate rain at times
Temperature Icon24°/10°
Humidity Icon31%
Wind Icon14km/h
Thu. 20, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon23°/10°
Humidity Icon36%
Wind Icon16km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/11°
Humidity Icon40%
Wind Icon14km/h
Sun. 23, Nov.
moderate rain at timesModerate rain at times
Temperature Icon23°/9°
Humidity Icon39%
Wind Icon13km/h
Mon. 24, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon22°/9°
Humidity Icon36%
Wind Icon14km/h
Tue. 25, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon21°/9°
Humidity Icon37%
Wind Icon14km/h
Wed. 26, Nov.
sunnySunny
Temperature Icon22°/8°
Humidity Icon32%
Wind Icon14km/h
Thu. 27, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon21°/9°
Humidity Icon32%
Wind Icon15km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 28, Oct.

34.9°C

Low will be onWed. 26, Nov.

8°C

HumidityHumidity

High will be onFri. 21, Nov.

40%

Low will be onSun. 9, Nov.

15%

Wind SpeedWind Speed

High will be onSat. 8, Nov.

43.2km/h

Low will be onSun. 2, Nov.

7.6km/h

PrecipitationPrecipitation

High will be onFri. 21, Nov.

1.5mm

Low will be onSun. 16, Nov.

0.1mm

Ultraviolet IndexUV

High will be onTue. 4, Nov.

7

Low will be onTue. 25, Nov.

3