Today | Weather | Wednesday, March 18, 2026

Weather in Vancouver, Washington

12:03 AM
Now
Cloudy Night
48° F
Feels Like 48°
Precipitation 45 %
Wind 5 mph
Humidity 81 %
Today
Cloudy Weather
Day 64°
Night 48°
Precipitation 17 %
Wind 6 mph
UV Index (0 - 11+) 2

Vancouver Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Rainy Weather

Day

54°

Night

41°

Wind

4 mph

UV Index

3

Precipitation

87 %

Air Quality in Vancouver

NOW
13 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.52 µg/m³
PM10 4.3 µg/m³
O3 0.014 ppm
NO2 2.5 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 0.51 µg/m³
NO 0.01 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)
PM2.52.52 µg/m³
PM104.3 µg/m³
O327.82 µg/m³
NO24.78 µg/m³
SO20.14 µg/m³
CO157.11 µg/m³
NH30.51 µg/m³
NO0.01 µg/m³