Naperville, Illinois, United States Climate Change Severity

48
High
The current climate change severity in Naperville is High, with a 5.1% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Naperville 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), Naperville temperature has changed by around +31.2%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1731
82.3%
cloudyCloudy
3816
-57.8%
rainyRainy
5334
-35.8%
snowySnowy
75
-28.5%
mistyMisty
05
100%

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

Climate Change Indicators:

Over the past 16 years, Naperville has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Naperville experienced significant changes:

Temperature change of

+1.32 °C

Variation in annual rainfall

-11.85 %

Change in average humidity

-6.34 %

PM2.5 levels surged by

-19.04 %

Heatwave changed by

+5 Days

Coldwave changed by

-6 Days

Wind speeds changed by

+1.62 km/h

These indicators show improvement in key parametes of climate, but Naperville 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 May

Naperville Weather Forecast 30 Days (June - July 2026)
Naperville, Illinois, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 5, Jun.
moderate rainRain
Temperature Icon25°/18°
Humidity Icon78%
Wind Icon24.8km/h
Sat. 6, Jun.
heavy rainHeavy Rain
Temperature Icon28°/18°
Humidity Icon83%
Wind Icon27.7km/h
Sun. 7, Jun.
moderate rainRain
Temperature Icon27°/20°
Humidity Icon86%
Wind Icon13km/h
Mon. 8, Jun.
moderate rainRain
Temperature Icon21°/20°
Humidity Icon96%
Wind Icon15.1km/h
Tue. 9, Jun.
moderate rainRain
Temperature Icon30°/20°
Humidity Icon92%
Wind Icon19.1km/h
Wed. 10, Jun.
moderate rainRain
Temperature Icon30°/22°
Humidity Icon82%
Wind Icon18.7km/h
Thu. 11, Jun.
partly cloudyPartly Cloudy
Temperature Icon32°/22°
Humidity Icon67%
Wind Icon10.4km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/15°
Humidity Icon77%
Wind Icon16.2km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/15°
Humidity Icon76%
Wind Icon16.2km/h
Sun. 14, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/16°
Humidity Icon74%
Wind Icon17.3km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/17°
Humidity Icon77%
Wind Icon18km/h
Tue. 16, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon27°/17°
Humidity Icon75%
Wind Icon16.9km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/18°
Humidity Icon74%
Wind Icon16.2km/h
Thu. 18, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/18°
Humidity Icon75%
Wind Icon19.1km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon76%
Wind Icon17.3km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/18°
Humidity Icon78%
Wind Icon18km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/18°
Humidity Icon76%
Wind Icon19.1km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon79%
Wind Icon19.1km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/18°
Humidity Icon78%
Wind Icon18.7km/h
Wed. 24, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/18°
Humidity Icon76%
Wind Icon16.2km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon81%
Wind Icon19.1km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon80%
Wind Icon19.1km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon77%
Wind Icon18.4km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon77%
Wind Icon18km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon80%
Wind Icon15.8km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon78%
Wind Icon16.2km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon78%
Wind Icon16.9km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/17°
Humidity Icon75%
Wind Icon14.8km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/17°
Humidity Icon75%
Wind Icon12.6km/h
Sat. 4, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon79%
Wind Icon13.3km/h
Sun. 5, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/20°
Humidity Icon79%
Wind Icon15.8km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 11, Jun.

32°C

Low will be onFri. 12, Jun.

15°C

HumidityHumidity

High will be onMon. 8, Jun.

96%

Low will be onThu. 11, Jun.

67%

Wind SpeedWind Speed

High will be onSat. 6, Jun.

27.7km/h

Low will be onThu. 11, Jun.

10.4km/h

PrecipitationPrecipitation

High will be onSat. 6, Jun.

21.6mm

Low will be onTue. 16, Jun.

1.4mm

Ultraviolet IndexUV

High will be onFri. 5, Jun.

9.1

Low will be onSun. 7, Jun.

0.6

Our Blogs

See all blogs
World Top 10 Hottest Cities Are All in India Again - May 2026

World Top 10 Hottest Cities Are All in India Again - May 2026

Gyane Haobijam4 Jun 2026
Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

Gyane Haobijam2 Jun 2026
What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

AQI Team27 May 2026
World Top Hottest Cities Belong to India - April 2026

World Top Hottest Cities Belong to India - April 2026

AQI Team28 Apr 2026
Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Gyane Haobijam27 Mar 2026
Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Gyane Haobijam17 Mar 2026
Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Gyane Haobijam14 Feb 2026
Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Navya12 Feb 2026
Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Gyane Haobijam2 Feb 2026
Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Gyane Haobijam1 Feb 2026