Today | Weather | Wednesday, August 13, 2025
Westminster, Colorado. 10:54 AM
Now
Sunny WeatherSunny weather, clear skies and sunny weather.
90° F
Feels Like 95°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 11
Humidity 16 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 99°
Night 64°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Other:

Mostly bright and clear.

Westminster Weather Forecast Updated

17 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (August 13, 2024)

Day

84°

Night

63°

Air quality in Westminster
NOW
52 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.25 µg/m³
PM10 46.37 µg/m³
O₃ 38.32 ppb
NO₂ 27.90 ppb
SO₂ 0.90 ppb
CO 268.67 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.