Weather in Federal Way, Washington

06:14 PM

Now

86° F

Feels Like 86°

Precipitation 7 %

Wind 7 mph

UV Index (0 - 11+) 11

Humidity 35 %

Today

Day 88°

Night 61°

Precipitation 25 %

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.

Federal Way Weather Forecast Updated

28 minutes ago

Last updated on August 25, 2025 5:45 PM

Weather Forecast History

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

Day

73°

Night

55°

Air quality in Federal Way

NOW

93 AQI

Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 19.63 µg/m³

PM10 20.06 µg/m³

O₃ 78.23 ppb

NO₂ 6.73 ppb

SO₂ 1.92 ppb

CO 243.07 ppb

PM_2.5 – 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.

View Hourly Air Quality Forecast