Portsmouth, Virginia

Last updated: 6:23 PM CDT · Refresh

23°C

Feels like 23°

Overcast

▲ 31° / ▼ 18°

Wind

13 mph NNW

Humidity

88%

Dew Point

21°

Pressure

29.85 inHg

Visibility

8 mi

UV Index

1.3

Cloud Cover

90%

Sunrise

5:46 AM

Sunset

8:28 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Portsmouth is currently overcast at 23°C. Precipitation is likely — peak probability 76% around 7 PM. Sunrise: 5:46AM · Sunset: 8:28PM.

35 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

75%

8 PM

23°

58%

9 PM

22°

38%

10 PM

21°

24%

11 PM

21°

21%

12 AM

21°

21%

1 AM

21°

15%

2 AM

21°

3 AM

21°

4 AM

20°

5 AM

18°

6 AM

18°

7 AM

19°

8 AM

20°

9 AM

23°

10 AM

24°

11 AM

25°

12 PM

26°

1 PM

26°

2 PM

28°

3 PM

28°

4 PM

28°

5 PM

27°

6 PM

26°

7-Day Forecast

Tonight

31° 18°

Overcast with a 75% chance of rain.

Wed

28° 18°

Mostly Clear.

Thu

30° 19°

Mostly Cloudy.

Fri

32° 22°

Heavy Rain, 73% chance.

Sat

31° 22°

Rain, 83% chance.

Sun

27° 21°

Clear with a 34% chance of rain.

Mon

27° 20°

Clear with a 21% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Overcast 75% 13 mph NNW 88%

8 PM 23° Mostly Cloudy 58% 12 mph NNW 88%

9 PM 22° Rain 38% 12 mph NNW 86%

10 PM 21° Rain 24% 11 mph NNW 84%

11 PM 21° Rain 21% 10 mph NNW 82%

12 AM 21° Rain 21% 9 mph NNW 81%

1 AM 21° Drizzle 15% 8 mph NNW 81%

2 AM 21° Clear 3% 8 mph NW 81%

3 AM 21° Clear 3% 7 mph NW 82%

4 AM 20° Clear 3% 7 mph NW 83%

5 AM 18° Clear 3% 7 mph NW 83%

6 AM 18° Clear 3% 7 mph NW 80%

7 AM 19° Clear 3% 7 mph NW 78%

8 AM 20° Clear 3% 7 mph NNW 73%

9 AM 23° Mostly Clear 3% 7 mph NNW 67%

10 AM 24° Partly Cloudy 3% 7 mph NNW 61%

11 AM 25° Partly Cloudy 3% 7 mph N 55%

12 PM 26° Partly Cloudy 3% 6 mph NNW 52%

1 PM 26° Mostly Clear 3% 6 mph NNW 49%

2 PM 28° Mostly Clear 3% 5 mph NNW 47%

3 PM 28° Partly Cloudy 3% 5 mph N 47%

4 PM 28° Partly Cloudy 3% 5 mph N 46%

5 PM 27° Partly Cloudy 3% 4 mph N 48%

6 PM 26° Partly Cloudy 3% 4 mph NE 52%

15-Day Forecast

Today

6/23

Overcast

75%

18°

31°

Wed

6/24

Mostly Clear

15%

18°

28°

Thu

6/25

Mostly Cloudy

19°

30°

Fri

6/26

Heavy Rain

73%

22°

32°

Sat

6/27

Rain

83%

22°

31°

Sun

6/28

Clear

34%

21°

27°

Mon

6/29

Clear

21%

20°

27°

Tue

6/30

Clear

21%

19°

28°

Wed

7/1

Rain

71%

21°

32°

Thu

7/2

Rain

67%

23°

28°

Fri

7/3

Drizzle

67%

23°

32°

Sat

7/4

Rain

69%

23°

32°

Sun

7/5

Drizzle

66%

22°

32°

Mon

7/6

Drizzle

66%

22°

29°

Tue

7/7

Drizzle

66%

22°

29°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

34 AQI 6.3 µg/m³

O₃

Ground-level ozone

Dominant

35 AQI 38 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Wed 35 Good 35 34

Thu 47 Good 36 47

Fri 51 Moderate 38 51

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Tue Jun 23, 22:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE196 J/kg

MLCAPE75 J/kg

MUCAPE231 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index-1.2

Kinematics

0–6 km Shear35 kt

0–1 km Shear7 kt

Eff. Shear25 kt

0–1 km SRH-0

0–3 km SRH-116

Eff. SRH-116

Storm Motion213° @ 11 kt

0–1 km EHI-0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index37.2

Thermo & Levels

PWAT2.17 in

0–3 km LR4.8 °C/km

700–500 LR5.6 °C/km

Total Totals45.6

LCL986 hPa

LFC1011 hPa

EL352 hPa

Freezing Lvl14,688 ft

Portsmouth, Virginia

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