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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Sunday, December 14, 2025
Active Weather Warnings
Portsmouth, Virginia
4 PM
Cloudy Weather
34°
Feels Like 18°
32
Humidity: 53%
Wind: 17 mph
UV Index: 0
5 PM
Cloudy Night
30°
Feels Like 14°
32
Humidity: 50%
Wind: 17 mph
UV Index: 0
6 PM
Cloudy Night
28°
Feels Like 10°
21
Humidity: 47%
Wind: 18 mph
UV Index: 0
7 PM
Cloudy Night
25°
Feels Like 7°
0
Humidity: 53%
Wind: 17 mph
UV Index: 0
8 PM
Cloudy Night
23°
Feels Like 3°
0
Humidity: 51%
Wind: 17 mph
UV Index: 0
9 PM
Cloudy Night
21°
Feels Like 1°
0
Humidity: 52%
Wind: 16 mph
UV Index: 0
10 PM
Night
19°
Feels Like 1°
0
Humidity: 52%
Wind: 16 mph
UV Index: 0
11 PM
Night
19°
Feels Like 1°
0
Humidity: 53%
Wind: 15 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.67 µg/m³
  • PM10: 0.88 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.64 µg/m³
  • PM10: 0.84 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.62 µg/m³
  • PM10: 0.8 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.58 µg/m³
  • PM10: 0.78 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.53 µg/m³
  • PM10: 0.69 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.51 µg/m³
  • PM10: 0.6 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.53 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.51 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Portsmouth

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 14 at 1:28PM EST until December 15 at 9:00AM EST by NWS Wakefield VA
Dec 14, 7:00 PM → Dec 15, 9:00 AM
WHAT: Very cold wind chills as low as 5 above expected.

WHERE: Portions of northeast North Carolina and eastern and
southeast Virginia.

WHEN: From 7 PM this evening to 9 AM EST Monday.

IMPACTS: Very cold temperatures and wind chills could lead to
hypothermia with prolonged exposure.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Updated: Dec 14, 3:08 PM Source: NWS Alert