Philadelphia, Pennsylvania

Last updated: 9:04 PM CDT · Refresh

20°C

Feels like 19°

Overcast

▲ 28° / ▼ 17°

Wind

12 mph NNE

Humidity

85%

Dew Point

18°

Pressure

29.89 inHg

Visibility

9 mi

UV Index

0.0

Cloud Cover

88%

Sunrise

6:17 AM

Sunset

7:50 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia is currently overcast at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:17AM · Sunset: 7:50PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

11 PM

20°

23%

12 AM

19°

23%

1 AM

19°

21%

2 AM

19°

14%

3 AM

18°

14%

4 AM

18°

15%

5 AM

17°

15%

6 AM

17°

15%

7 AM

17°

15%

8 AM

18°

9 AM

19°

10 AM

21°

11 AM

22°

12 PM

23°

1 PM

25°

2 PM

26°

3 PM

26°

4 PM

27°

5 PM

27°

6 PM

26°

19%

7 PM

26°

19%

8 PM

24°

19%

9 PM

23°

24%

7-Day Forecast

Tonight

28° 17°

Overcast.

Fri

28° 17°

Partly Cloudy with a 29% chance of rain.

Sat

26° 19°

Overcast with a 75% chance of rain.

Sun

30° 20°

Mostly Cloudy with a 60% chance of rain.

Mon

29° 18°

Clear.

Tue

29° 19°

Rain, 61% chance.

Wed

31° 20°

Drizzle, 71% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Overcast 4% 12 mph NNE 85%

11 PM 20° Overcast 23% 9 mph N 83%

12 AM 19° Overcast 23% 9 mph N 83%

1 AM 19° Overcast 21% 8 mph N 83%

2 AM 19° Overcast 14% 8 mph N 84%

3 AM 18° Mostly Cloudy 14% 8 mph N 84%

4 AM 18° Mostly Cloudy 15% 7 mph NNW 83%

5 AM 17° Overcast 15% 8 mph NNW 84%

6 AM 17° Overcast 15% 7 mph N 82%

7 AM 17° Overcast 15% 7 mph N 79%

8 AM 18° Mostly Cloudy 8% 7 mph N 75%

9 AM 19° Mostly Cloudy 8% 8 mph N 71%

10 AM 21° Partly Cloudy 8% 8 mph N 67%

11 AM 22° Mostly Clear 8% 7 mph NNE 63%

12 PM 23° Partly Cloudy 8% 6 mph NNE 60%

1 PM 25° Partly Cloudy 3% 5 mph NNE 56%

2 PM 26° Mostly Cloudy 3% 5 mph NNE 53%

3 PM 26° Partly Cloudy 8% 4 mph NNE 52%

4 PM 27° Mostly Clear 9% 4 mph NE 52%

5 PM 27° Mostly Clear 9% 4 mph NE 52%

6 PM 26° Mostly Clear 19% 4 mph NE 56%

7 PM 26° Mostly Clear 19% 4 mph ENE 61%

8 PM 24° Partly Cloudy 19% 4 mph ENE 65%

9 PM 23° Partly Cloudy 24% 4 mph E 69%

15-Day Forecast

Today

8/20

Overcast

17°

28°

Fri

8/21

Partly Cloudy

29%

17°

28°

Sat

8/22

Overcast

75%

19°

26°

Sun

8/23

Mostly Cloudy

60%

20°

30°

Mon

8/24

Clear

18°

29°

Tue

8/25

Rain

61%

19°

29°

Wed

8/26

Drizzle

71%

20°

31°

Thu

8/27

Rain

82%

21°

29°

Fri

8/28

Drizzle

69%

20°

31°

Sat

8/29

Rain

68%

21°

32°

Sun

8/30

Drizzle

64%

21°

32°

Mon

8/31

Drizzle

60%

21°

31°

Tue

9/1

Drizzle

60%

20°

30°

Wed

9/2

Drizzle

60%

19°

29°

Thu

9/3

Drizzle

60%

19°

29°

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

52 AQI 9.6 µg/m³

O₃

Ground-level ozone

36 AQI 39 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 52 Moderate 36 52

Sat 49 Good 49 42

Sun 53 Moderate 26 53

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 Thu Aug 20, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE15 J/kg

MUCAPE21 J/kg

SBCIN—

MLCIN0 J/kg

Lifted Index4.7

Kinematics

0–6 km Shear45 kt

0–1 km Shear3 kt

Eff. Shear—

0–1 km SRH2

0–3 km SRH175

Eff. SRH—

Storm Motion282° @ 30 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index34.6

Thermo & Levels

PWAT2.03 in

0–3 km LR3.7 °C/km

700–500 LR5.6 °C/km

Total Totals44.8

LCL984 hPa

LFC—

EL—

Freezing Lvl14,987 ft

Philadelphia, Pennsylvania

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