Today | Weather | Friday, September 18, 2026

Weather in Lakewood, Colorado

03:41 AM
Now
Cloudy Night
61° F
Feels Like 59°
Precipitation 39 %
Wind 6 mph
Humidity 79 %
Today
Sunny with a Chance of Thunderstorms
Day 81°
Night 55°
Precipitation 70 %
Wind 7 mph
UV Index (0 - 11+) 4

Lakewood Weather Forecast Updated

28 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Night

Day

72°

Night

48°

Wind

5 mph

Precipitation

1 %

Air Quality in Lakewood

NOW
11 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.5 µg/m³
O3 0.012 ppm
NO2 1.1 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 0.18 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)
PM2.50.5 µg/m³
PM100.5 µg/m³
O323.96 µg/m³
NO21.99 µg/m³
SO20 µg/m³
CO101.25 µg/m³
NH30.18 µg/m³
NO0 µg/m³