Today | Weather | Monday, August 25, 2025

Weather in Allentown, Pennsylvania

08:51 PM

Now

70° F

Feels Like 66°

Precipitation 0 %

Wind 7 mph

Humidity 54 %

Today

Day 82°

Night 55°

Precipitation 1 %

Wind 6 mph

Allentown Weather Forecast Updated

23 minutes ago

Last updated on August 25, 2025 8:28 PM

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

84°

61°

NOW

45 AQI

Good air quality Dominant pollutant: PM2.5

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

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

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