Today | Weather | Wednesday, March 18, 2026

Weather in Vancouver, Washington

01:04 AM
Now
Rainy Weather
52° F
Feels Like 48°
Precipitation 51 %
Wind 6 mph
Humidity 81 %
Today
Cloudy Weather
Day 64°
Night 48°
Precipitation 17 %
Wind 6 mph
UV Index (0 - 11+) 2

Vancouver Weather Forecast Updated

46 minutes ago
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 2.44 µg/m³
PM10 4.1 µg/m³
O3 0.014 ppm
NO2 2.3 ppb
SO2 0 ppb
CO 0.13 ppm
NH3 0.42 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)
PM2.52.44 µg/m³
PM104.1 µg/m³
O326.7 µg/m³
NO24.36 µg/m³
SO20.12 µg/m³
CO152.05 µg/m³
NH30.42 µg/m³
NO0.01 µg/m³