Today | Weather | Monday, October 12, 2026

Weather in Marysville, Washington

06:11 PM
Now
Cloudy Weather
57° F
Feels Like 57°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 0
Humidity 60 %
Today
Sunny Weather
Day 63°
Night 43°
Precipitation 1 %
Wind 4 mph
UV Index (0 - 11+) 3

Marysville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 12, 2025)
Partly Sunny with Showers

Day

54°

Night

37°

Wind

7 mph

UV Index

10

Precipitation

100 %

Air Quality in Marysville

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.27 µg/m³
PM10 2.87 µg/m³
O3 0.034 ppm
NO2 3 ppb
SO2 0.5 ppb
CO 0.14 ppm
NH3 0.71 µg/m³
NO 0.24 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)
PM2.5 – 2.27 µg/m³
PM10 – 2.87 µg/m³
O3 – 67.44 µg/m³
NO2 – 5.72 µg/m³
SO2 – 1.36 µg/m³
CO – 165.45 µg/m³
NH3 – 0.71 µg/m³
NO – 0.24 µg/m³