Today | Weather | Wednesday, October 1, 2025

Weather in Seattle, Washington

11:28 AM

Now

61° F

Feels Like 57°

Precipitation 40 %

Wind 8 mph

UV Index (0 - 11+) 9

Humidity 76 %

Today

Day 66°

Night 54°

Precipitation 88 %

Wind 9 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.

Seattle Weather Forecast Updated

Last updated on October 01, 2025 10:03 AM

Weather Forecast History

Last Year's Weather on This Day (October 1, 2024)

Day

68°

Night

50°

Wind

4 mph

Precipitation

Air quality in Seattle

NOW

30 AQI

Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.83 µg/m³

PM10 3.55 µg/m³

O₃ 34.98 ppb

NO₂ 3.09 ppb

SO₂ 0.43 ppb

CO 139.45 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:

With this level of air quality, you have no limitations. Enjoy the outdoors

View Hourly Air Quality Forecast