Today | Weather | Wednesday, October 1, 2025

Weather in Marysville, Washington

11:29 AM

Now

61° F

Feels Like 61°

Precipitation 40 %

Wind 7 mph

UV Index (0 - 11+) 8

Humidity 75 %

Today

Day 68°

Night 55°

Precipitation 88 %

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.

Marysville Weather Forecast Updated

Last updated on October 01, 2025 10:20 AM

Air quality in Marysville

NOW

32 AQI

Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.29 µg/m³

PM10 2.88 µg/m³

O₃ 36.20 ppb

NO₂ 2.20 ppb

SO₂ 0.41 ppb

CO 134.19 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