Winthrop Harbor, Illinois, United States Climate Change Severity

43
High
The current climate change severity in Winthrop Harbor is High, with a 20.3% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Winthrop Harbor 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), Winthrop Harbor temperature has changed by around -2.2%, 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
5118
-64.7%
cloudyCloudy
6652
-21.2%
rainyRainy
10468
-34.6%
snowySnowy
76
-14.2%
mistyMisty
011
100%

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

Climate Change Indicators:

Over the past 15 years, Winthrop Harbor 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, Winthrop Harbor experienced significant changes:

Temperature change of

-0.2 °C

Variation in annual rainfall

+54.3 %

Change in average humidity

+1.3 %

PM2.5 levels surged by

-9.5 %

Heatwave changed by

-3.8 day(s)

Coldwave changed by

-5.8 day(s)

Wind speeds changed by

-0.5 km/h

These indicators show improvement in key parametes of climate, but Winthrop Harbor 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 Sep.

Winthrop Harbor Weather Forecast 30 Days (October - November 2025)
Winthrop Harbor, Illinois, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 29, Oct.
partly cloudyPartly Cloudy
Temperature Icon10°/9°
Humidity Icon76%
Wind Icon32km/h
Thu. 30, Oct.
overcastOvercast
Temperature Icon9°/6°
Humidity Icon77%
Wind Icon22km/h
Fri. 31, Oct.
partly cloudyPartly Cloudy
Temperature Icon10°/5°
Humidity Icon72%
Wind Icon19km/h
Sat. 1, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/5°
Humidity Icon64%
Wind Icon10km/h
Sun. 2, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/7°
Humidity Icon70%
Wind Icon13km/h
Mon. 3, Nov.
sunnySunny
Temperature Icon15°/7°
Humidity Icon62%
Wind Icon26km/h
Tue. 4, Nov.
sunnySunny
Temperature Icon11°/5°
Humidity Icon59%
Wind Icon30km/h
Wed. 5, Nov.
sunnySunny
Temperature Icon13°/3°
Humidity Icon38%
Wind Icon22km/h
Thu. 6, Nov.
sunnySunny
Temperature Icon18°/10°
Humidity Icon45%
Wind Icon38km/h
Fri. 7, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/4°
Humidity Icon75%
Wind Icon37km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon5°/-1°
Humidity Icon57%
Wind Icon23km/h
Sun. 9, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/-1°
Humidity Icon58%
Wind Icon37km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon8°/3°
Humidity Icon57%
Wind Icon35km/h
Wed. 12, Nov.
moderate rain at timesModerate rain at times
Temperature Icon6°/1°
Humidity Icon71%
Wind Icon26km/h
Thu. 13, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon6°/0°
Humidity Icon68%
Wind Icon27km/h
Fri. 14, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon7°/1°
Humidity Icon72%
Wind Icon24km/h
Sat. 15, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/2°
Humidity Icon76%
Wind Icon22km/h
Sun. 16, Nov.
moderate rain at timesModerate rain at times
Temperature Icon8°/3°
Humidity Icon76%
Wind Icon26km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/2°
Humidity Icon76%
Wind Icon28km/h
Tue. 18, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/0°
Humidity Icon73%
Wind Icon29km/h
Wed. 19, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon6°/1°
Humidity Icon73%
Wind Icon28km/h
Thu. 20, Nov.
moderate rain at timesModerate rain at times
Temperature Icon6°/1°
Humidity Icon72%
Wind Icon28km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/1°
Humidity Icon77%
Wind Icon27km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/0°
Humidity Icon75%
Wind Icon25km/h
Mon. 24, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/1°
Humidity Icon77%
Wind Icon27km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/1°
Humidity Icon78%
Wind Icon27km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/-1°
Humidity Icon76%
Wind Icon27km/h
Thu. 27, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-2°
Humidity Icon76%
Wind Icon27km/h
Fri. 28, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-2°
Humidity Icon73%
Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 6, Nov.

17.8°C

Low will be onThu. 27, Nov.

-2.1°C

HumidityHumidity

High will be onTue. 25, Nov.

78%

Low will be onWed. 5, Nov.

38%

Wind SpeedWind Speed

High will be onThu. 6, Nov.

38.2km/h

Low will be onSat. 1, Nov.

10.1km/h

PrecipitationPrecipitation

High will be onMon. 17, Nov.

5.7mm

Low will be onSun. 9, Nov.

0.02mm

Ultraviolet IndexUV

High will be onMon. 3, Nov.

4

Low will be onSun. 9, Nov.

1

Our Blogs

18 Sept 2025

Red Fort in Delhi is Not Red Anymore! It is Turning Black: Air Pollution Damaging Red Fort

Red Fort in Delhi is Not Red Anymore! It is Turning Black: Air Pollution Damaging Red Fort
13 Sept 2025

What’s the Connection Between Air Pollution and Blood Cancer?

What’s the Connection Between Air Pollution and Blood Cancer?
9 Sept 2025

Mercury Air Pollution in Delhi: What You’re Inhaling Without Knowing

Mercury Air Pollution in Delhi: What You’re Inhaling Without Knowing
3 Sept 2025

India Floods 2025: How Waterlogging Is Creating a Hidden Air Pollution Crisis?

India Floods 2025: How Waterlogging Is Creating a Hidden Air Pollution Crisis?
28 Aug 2025

No Clean Air Day in Delhi 2025: Why Even Monsoon Could Not Help?

No Clean Air Day in Delhi 2025: Why Even Monsoon Could Not Help?
21 Aug 2025

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 
19 Aug 2025

Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025
13 Aug 2025

Europe heatwave and wildfires 2025: What is happening across Spain, Portugal and neighbouring countries?

Europe heatwave and wildfires 2025: What is happening across Spain, Portugal and neighbouring countries?
12 Aug 2025

How Air Pollution Damages Your Long-Term Financial Health?

How Air Pollution Damages Your Long-Term Financial Health?
7 Aug 2025

Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate

Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate