Today | Weather | Thursday, August 21, 2025

Weather in Worcester, Massachusetts

08:13 PM

Now

61° F

Feels Like 55°

Precipitation 0 %

Wind 15 mph

Humidity 62 %

Today

Day 66°

Night 54°

Precipitation 0 %

Wind 14 mph

Other:

Partly overcast and breezy.

Worcester Weather Forecast Updated

35 minutes ago

Last updated on August 21, 2025 7:38 PM

Last Year's Weather on This Day (August 21, 2024)

70°

52°

8 mph

NOW

26 AQI

Good air quality Dominant pollutant: O3

PM2.5 6.39 µg/m³

PM10 9.06 µg/m³

O₃ 32.24 ppb

NO₂ 4.72 ppb

SO₂ 0.40 ppb

CO 159.20 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