Philadelphia County, Pennsylvania, United States

Last updated: 6:22 PM CDT · Refresh

24°C

Feels like 26°

Rain

▲ 29° / ▼ 22°

Wind

10 mph S

Humidity

91%

Dew Point

22°

Pressure

29.58 inHg

Visibility

1 mi

UV Index

1.3

Cloud Cover

89%

Sunrise

5:49 AM

Sunset

8:24 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia County is currently rain at 24°C. Precipitation is likely — peak probability 83% around 7 PM. Atmospheric instability is elevated (CAPE up to 1198 J/kg) — isolated convective development possible. Sunrise: 5:49AM · Sunset: 8:24PM.

79 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

24°

83%

8 PM

25°

72%

9 PM

24°

72%

10 PM

24°

73%

11 PM

24°

54%

12 AM

24°

55%

1 AM

23°

51%

2 AM

23°

49%

3 AM

23°

49%

4 AM

22°

45%

5 AM

22°

38%

6 AM

22°

51%

7 AM

22°

39%

8 AM

23°

43%

9 AM

25°

37%

10 AM

26°

28%

11 AM

27°

25%

12 PM

27°

26%

1 PM

27°

24%

2 PM

28°

24%

3 PM

28°

24%

4 PM

28°

25%

5 PM

28°

25%

6 PM

28°

24%

7-Day Forecast

Tonight

29° 22°

Rain, 83% chance.

Wed

31° 21°

Rain, 51% chance.

Thu

29° 19°

Mostly Clear.

Fri

28° 18°

Fog.

Sat

29° 18°

Partly Cloudy.

Sun

30° 19°

Rain, 71% chance.

Mon

31° 21°

Drizzle, 60% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 24° Rain 83% 10 mph S 91%

8 PM 25° Rain 72% 9 mph SSW 93%

9 PM 24° Heavy Rain 72% 7 mph SSW 93%

10 PM 24° Mostly Cloudy 73% 6 mph SSW 93%

11 PM 24° Mostly Cloudy 54% 8 mph SSW 93%

12 AM 24° Overcast 55% 8 mph SSW 93%

1 AM 23° Drizzle 51% 9 mph SSW 92%

2 AM 23° Overcast 49% 10 mph SSW 92%

3 AM 23° Mostly Cloudy 49% 9 mph SSW 91%

4 AM 22° Mostly Cloudy 45% 9 mph SSW 91%

5 AM 22° Mostly Cloudy 38% 9 mph SSW 91%

6 AM 22° Partly Cloudy 51% 9 mph SW 89%

7 AM 22° Rain 39% 9 mph SW 86%

8 AM 23° Rain 43% 9 mph SW 82%

9 AM 25° Mostly Clear 37% 9 mph WSW 77%

10 AM 26° Mostly Clear 28% 10 mph W 71%

11 AM 27° Partly Cloudy 25% 10 mph W 66%

12 PM 27° Partly Cloudy 26% 10 mph W 63%

1 PM 27° Partly Cloudy 24% 10 mph W 61%

2 PM 28° Partly Cloudy 24% 10 mph W 58%

3 PM 28° Mostly Clear 24% 9 mph W 56%

4 PM 28° Mostly Clear 25% 9 mph W 54%

5 PM 28° Mostly Clear 25% 8 mph W 54%

6 PM 28° Mostly Clear 24% 8 mph W 56%

15-Day Forecast

Today

7/21

Rain

83%

22°

29°

Wed

7/22

Rain

51%

21°

31°

Thu

7/23

Mostly Clear

12%

19°

29°

Fri

7/24

Fog

15%

18°

28°

Sat

7/25

Partly Cloudy

18°

29°

Sun

7/26

Rain

71%

19°

30°

Mon

7/27

Drizzle

60%

21°

31°

Tue

7/28

Drizzle

63%

21°

29°

Wed

7/29

Drizzle

68%

20°

28°

Thu

7/30

Drizzle

68%

21°

29°

Fri

7/31

Drizzle

46%

21°

30°

Sat

8/1

Drizzle

60%

22°

29°

Sun

8/2

Drizzle

60%

21°

31°

Mon

8/3

Drizzle

60%

22°

30°

Tue

8/4

Drizzle

60%

22°

31°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

79 AQI 24.3 µg/m³

O₃

Ground-level ozone

39 AQI 43 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Wed 79 Moderate 39 79

Thu 56 Moderate 44 56

Fri 54 Moderate 48 54

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 Jul 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE584 J/kg

MLCAPE790 J/kg

MUCAPE1421 J/kg

SBCIN-124 J/kg

MLCIN0 J/kg

Lifted Index-3.6

Kinematics

0–6 km Shear37 kt

0–1 km Shear18 kt

Eff. Shear38 kt

0–1 km SRH77

0–3 km SRH70

Eff. SRH70

Storm Motion227° @ 36 kt

0–1 km EHI0.3

Composite Parameters

Sig. Tornado0.3

STP (eff)0.2

Supercell2.0

K-Index35.6

Thermo & Levels

PWAT2.15 in

0–3 km LR4.7 °C/km

700–500 LR6.3 °C/km

Total Totals50.3

LCL977 hPa

LFC712 hPa

EL228 hPa

Freezing Lvl13,871 ft

Philadelphia County, Pennsylvania, United States

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