Today | Weather | Wednesday, February 25, 2026

Weather in Seattle, Washington

08:20 PM
Now
Cloudy Night
45° F
Feels Like 36°
Precipitation 20 %
Wind 14 mph
Humidity 72 %
Today
Rainy Weather
Day 54°
Night 43°
Precipitation 49 %
Wind 13 mph

Seattle Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 25, 2025)
Partly Sunny with Showers

Day

54°

Night

37°

Wind

17 mph

UV Index

1

Precipitation

91 %

Air Quality in Seattle

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.67 µg/m³
PM10 3.54 µg/m³
O3 0.038 ppm
NO2 2.5 ppb
SO2 0.1 ppb
CO 0.15 ppm
NH3 0.35 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)
PM2.51.67 µg/m³
PM103.54 µg/m³
O374.69 µg/m³
NO24.64 µg/m³
SO20.35 µg/m³
CO166.85 µg/m³
NH30.35 µg/m³
NO0 µg/m³