Today | Weather | Wednesday, October 22, 2025

Weather in Bellevue, Washington

04:16 AM
Now
Cloudy Night
43° F
Feels Like 41°
Precipitation 0 %
Wind 6 mph
Humidity 93 %
Today
Rainy Weather
Day 63°
Night 52°
Precipitation 60 %
Wind 8 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Bellevue Weather Forecast Updated

6 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (October 22, 2024)

Cloudy Night

Day

57°

Night

43°

Wind

4 mph

Precipitation

6

Air Quality in Bellevue

NOW
35 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.5 µg/m³
PM10 11.38 µg/m³
O3 0.009 ppm
NO2 7.1 ppb
SO2 0.2 ppb
CO 0.19 ppm
NH3 1.41 µg/m³
NO 0.02 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)
PM2.58.5 µg/m³
PM1011.38 µg/m³
O317.15 µg/m³
NO213.34 µg/m³
SO20.59 µg/m³
CO221.94 µg/m³
NH31.41 µg/m³
NO0.02 µg/m³