Philadelphia, Pennsylvania, United States Climate Change Severity

43
High
The current climate change severity in Philadelphia is High, with a 14.3% 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 Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Philadelphia 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), Philadelphia temperature has changed by around +0.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
3894
147.3%
cloudyCloudy
5920
-66.1%
rainyRainy
7936
-54.4%
snowySnowy
54
-20%
mistyMisty
02
100%

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

Climate Change Indicators:

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

Temperature change of

+0.09 °C

Variation in annual rainfall

+30.85 %

Change in average humidity

-1.8 %

PM2.5 levels surged by

-17.6 %

Heatwave changed by

+7 Days

Coldwave changed by

+3 Days

Wind speeds changed by

+0.36 km/h

These indicators show improvement in key parametes of climate, but Philadelphia 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.

Philadelphia Weather Forecast 30 Days (August - September 2026)
Philadelphia, Pennsylvania, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 16, Aug.
sunnySunny
Temperature Icon23°/21°
Humidity Icon79%
Wind Icon18km/h
Mon. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/21°
Humidity Icon77%
Wind Icon14km/h
Tue. 18, Aug.
sunnySunny
Temperature Icon31°/21°
Humidity Icon53%
Wind Icon11.5km/h
Wed. 19, Aug.
sunnySunny
Temperature Icon31°/19°
Humidity Icon66%
Wind Icon16.9km/h
Thu. 20, Aug.
sunnySunny
Temperature Icon33°/23°
Humidity Icon64%
Wind Icon18km/h
Fri. 21, Aug.
partly cloudyPartly Cloudy
Temperature Icon32°/23°
Humidity Icon48%
Wind Icon15.1km/h
Sat. 22, Aug.
cloudyCloudy
Temperature Icon33°/23°
Humidity Icon76%
Wind Icon17.3km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/19°
Humidity Icon68%
Wind Icon13.1km/h
Mon. 24, Aug.
moderate rain at timesRain
Temperature Icon28°/19°
Humidity Icon67%
Wind Icon13.3km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/19°
Humidity Icon69%
Wind Icon13.9km/h
Wed. 26, Aug.
patchy rain possibleRain Possible
Temperature Icon30°/19°
Humidity Icon67%
Wind Icon14.5km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/20°
Humidity Icon67%
Wind Icon14km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/20°
Humidity Icon71%
Wind Icon15.4km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/19°
Humidity Icon73%
Wind Icon13.7km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/19°
Humidity Icon67%
Wind Icon14.3km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/19°
Humidity Icon67%
Wind Icon13.8km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/19°
Humidity Icon70%
Wind Icon14.6km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/19°
Humidity Icon71%
Wind Icon14km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/19°
Humidity Icon70%
Wind Icon14.4km/h
Fri. 4, Sep.
heavy rain at timesHeavy Rain
Temperature Icon29°/19°
Humidity Icon68%
Wind Icon15.1km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/19°
Humidity Icon70%
Wind Icon15.1km/h
Sun. 6, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon27°/19°
Humidity Icon73%
Wind Icon15.1km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon27°/18°
Humidity Icon74%
Wind Icon15km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon27°/18°
Humidity Icon71%
Wind Icon15.6km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon70%
Wind Icon14.4km/h
Thu. 10, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon73%
Wind Icon14.9km/h
Fri. 11, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon27°/17°
Humidity Icon72%
Wind Icon14km/h
Sat. 12, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon27°/18°
Humidity Icon74%
Wind Icon12.5km/h
Sun. 13, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon75%
Wind Icon13.8km/h
Mon. 14, Sep.
patchy rain possibleRain Possible
Temperature Icon27°/17°
Humidity Icon70%
Wind Icon14.9km/h
Tue. 15, Sep.
patchy rain possibleRain Possible
Temperature Icon26°/16°
Humidity Icon66%
Wind Icon14.7km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 20, Aug.

33°C

Low will be onTue. 15, Sep.

16°C

HumidityHumidity

High will be onSun. 16, Aug.

79%

Low will be onFri. 21, Aug.

48%

Wind SpeedWind Speed

High will be onSun. 16, Aug.

18km/h

Low will be onTue. 18, Aug.

11.5km/h

PrecipitationPrecipitation

High will be onSat. 22, Aug.

10.4mm

Low will be onWed. 26, Aug.

0.1mm

Ultraviolet IndexUV

High will be onMon. 17, Aug.

8.4

Low will be onSun. 16, Aug.

4.1

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