Today | Weather | Monday, August 25, 2025

Weather in Allentown, Pennsylvania

08:51 PM
Now
NightNighttime, with dark skies and stars or a moon visible.
70° F
Feels Like 66°
Precipitation 0 %
Wind 7 mph
Humidity 54 %
Today
NightNighttime, with dark skies and stars or a moon visible.
Day 82°
Night 55°
Precipitation 1 %
Wind 6 mph

Allentown Weather Forecast Updated

23 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (August 25, 2024)

Day

84°

Night

61°

Air quality in Allentown

NOW
45 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.88 µg/m³
PM10 8.94 µg/m³
O₃ 35.18 ppb
NO₂ 6.14 ppb
SO₂ 1.30 ppb
CO 197.53 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors