Today | Weather | Wednesday, October 1, 2025

Weather in Shoreline, Washington

11:26 AM
Now
Cloudy Weather
59° F
Feels Like 57°
Precipitation 40 %
Wind 9 mph
UV Index (0 - 11+) 10
Humidity 78 %
Today
Sunny with a Chance of Thunderstorms
Day 64°
Night 54°
Precipitation 88 %
Wind 12 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.

Shoreline Weather Forecast Updated

50 minutes ago
Last updated on

Weather Forecast History

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

Day

64°

Night

48°

Air quality in Shoreline

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.95 µg/m³
PM10 3.75 µg/m³
O₃ 35.06 ppb
NO₂ 3.09 ppb
SO₂ 0.46 ppb
CO 139.13 ppb
PM2.5 – 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