Allentown, Pennsylvania, United States Climate Change Severity

52
High
The current climate change severity in Allentown is High, with a 4.2% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Feb. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Allentown 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), Allentown temperature has changed by around +346.3%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
74
-42.8%
cloudyCloudy
1814
-22.2%
rainyRainy
161
-93.7%
snowySnowy
59
80%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 16 years, Allentown has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (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

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Allentown experienced significant changes:

Temperature change of

-3 °C

Variation in annual rainfall

+96.4 %

Change in average humidity

-0.01 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-0.9 day(s)

Coldwave changed by

+6.2 day(s)

Wind speeds changed by

+0.6 km/h

These indicators show that Allentown 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 Feb.

Allentown Weather Forecast 30 Days (March - April 2026)
Allentown, Pennsylvania, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 13, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/0°
Humidity Icon69%
Wind Icon32.8km/h
Sat. 14, Mar.
sunnySunny
Temperature Icon9°/-1°
Humidity Icon69%
Wind Icon32km/h
Sun. 15, Mar.
overcastOvercast
Temperature Icon7°/0°
Humidity Icon63%
Wind Icon25.9km/h
Mon. 16, Mar.
heavy rainHeavy rain
Temperature Icon18°/3°
Humidity Icon95%
Wind Icon42.8km/h
Tue. 17, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-3°
Humidity Icon62%
Wind Icon27.7km/h
Wed. 18, Mar.
partly cloudyPartly Cloudy
Temperature Icon3°/-4°
Humidity Icon41%
Wind Icon16.9km/h
Thu. 19, Mar.
sunnySunny
Temperature Icon7°/-3°
Humidity Icon50%
Wind Icon8.3km/h
Fri. 20, Mar.
partly cloudyPartly Cloudy
Temperature Icon9°/-3°
Humidity Icon75%
Wind Icon16.2km/h
Sat. 21, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/4°
Humidity Icon88%
Wind Icon4.7km/h
Sun. 22, Mar.
sunnySunny
Temperature Icon22°/5°
Humidity Icon82%
Wind Icon20.2km/h
Mon. 23, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/11°
Humidity Icon81%
Wind Icon13.3km/h
Tue. 24, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/13°
Humidity Icon74%
Wind Icon21.6km/h
Wed. 25, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/-3°
Humidity Icon79%
Wind Icon25.6km/h
Thu. 26, Mar.
partly cloudyPartly Cloudy
Temperature Icon4°/-4°
Humidity Icon53%
Wind Icon27.4km/h
Fri. 27, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/0°
Humidity Icon70%
Wind Icon15.8km/h
Sat. 28, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/1°
Humidity Icon77%
Wind Icon20.2km/h
Sun. 29, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/2°
Humidity Icon75%
Wind Icon21.6km/h
Mon. 30, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/1°
Humidity Icon73%
Wind Icon20.2km/h
Tue. 31, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/2°
Humidity Icon83%
Wind Icon21.2km/h
Wed. 1, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/2°
Humidity Icon79%
Wind Icon20.9km/h
Thu. 2, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/1°
Humidity Icon72%
Wind Icon20.2km/h
Sun. 5, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/3°
Humidity Icon75%
Wind Icon20.2km/h
Mon. 6, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/3°
Humidity Icon76%
Wind Icon18.7km/h
Tue. 7, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/4°
Humidity Icon75%
Wind Icon18.4km/h
Wed. 8, Apr.
heavy rain at timesHeavy rain at times
Temperature Icon14°/4°
Humidity Icon73%
Wind Icon20.2km/h
Thu. 9, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/3°
Humidity Icon70%
Wind Icon18.7km/h
Fri. 10, Apr.
moderate rain at timesModerate rain at times
Temperature Icon14°/3°
Humidity Icon75%
Wind Icon18.4km/h
Sat. 11, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/5°
Humidity Icon77%
Wind Icon19.8km/h
Sun. 12, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/5°
Humidity Icon76%
Wind Icon20.2km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 23, Mar.

24°C

Low will be onWed. 18, Mar.

-4°C

HumidityHumidity

High will be onMon. 16, Mar.

95%

Low will be onWed. 18, Mar.

41%

Wind SpeedWind Speed

High will be onMon. 16, Mar.

42.8km/h

Low will be onSat. 21, Mar.

4.7km/h

PrecipitationPrecipitation

High will be onMon. 16, Mar.

43.05mm

Low will be onSun. 15, Mar.

0.1mm

Ultraviolet IndexUV

High will be onSun. 22, Mar.

4

Low will be onWed. 25, Mar.

1

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