Today | Weather | Wednesday, April 8, 2026

Weather in Portsmouth, Virginia

01:56 PM
Now
Cloudy Weather
50° F
Feels Like 50°
Precipitation 0 %
Wind 14 mph
UV Index (0 - 11+) 7
Humidity 51 %
Today
Cloudy Weather
Day 50°
Night 43°
Precipitation 3 %
Wind 14 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Portsmouth Weather Forecast Updated

1 minute ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 8, 2025)
Partly Sunny with Showers

Day

55°

Night

39°

Wind

11 mph

UV Index

5

Precipitation

49 %

Air Quality in Portsmouth

NOW
64 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.24 µg/m³
PM10 4.75 µg/m³
O3 0.058 ppm
NO2 0.3 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 0.54 µg/m³
NO 0.13 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.52.24 µg/m³
PM104.75 µg/m³
O3114.6 µg/m³
NO20.57 µg/m³
SO20.79 µg/m³
CO147.96 µg/m³
NH30.54 µg/m³
NO0.13 µg/m³