Today | Weather | Wednesday, February 25, 2026

Weather in Federal Way, Washington

08:23 PM
Now
Rainy Night
43° F
Feels Like 36°
Precipitation 47 %
Wind 8 mph
Humidity 79 %
Today
Cloudy Weather
Day 52°
Night 43°
Precipitation 55 %
Wind 9 mph

Federal Way Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 25, 2025)
Rainy Weather

Day

50°

Night

34°

Wind

19 mph

UV Index

1

Precipitation

96 %

Air Quality in Federal Way

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.6 µg/m³
PM10 3.42 µg/m³
O3 0.039 ppm
NO2 2.3 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 0.21 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)
PM2.51.6 µg/m³
PM103.42 µg/m³
O377.15 µg/m³
NO24.29 µg/m³
SO20.44 µg/m³
CO164.68 µg/m³
NH30.21 µg/m³
NO0 µg/m³