Today | Weather | Monday, October 12, 2026

Weather in Rockville, Maryland

09:09 PM
Now
Night
63° F
Feels Like 61°
Precipitation 0 %
Wind 5 mph
Humidity 91 %
Today
Night
Day 72°
Night 52°
Precipitation 1 %
Wind 5 mph

Rockville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 12, 2025)
Rainy Weather

Day

64°

Night

57°

Wind

11 mph

UV Index

10

Precipitation

55 %

Air Quality in Rockville

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

Pollutant Concentrations:

PM2.5 6.48 µg/m³
PM10 7.83 µg/m³
O3 0.015 ppm
NO2 5.2 ppb
SO2 0.2 ppb
CO 0.17 ppm
NH3 1.91 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 6.48 µg/m³
PM10 – 7.83 µg/m³
O3 – 30.39 µg/m³
NO2 – 9.79 µg/m³
SO2 – 0.41 µg/m³
CO – 190.01 µg/m³
NH3 – 1.91 µg/m³
NO – 0 µg/m³