Philadelphia County, Pennsylvania, United States

Last updated: 3:49 AM CDT · Refresh

21°C

Feels like 24°

Overcast

▲ 31° / ▼ 22°

Wind

4 mph SSW

Humidity

94%

Dew Point

20°

Pressure

29.70 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

95%

Sunrise

6:14 AM

Sunset

7:54 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia County is currently overcast at 21°C. Precipitation is likely — peak probability 60% around 5 AM. Atmospheric instability is elevated (CAPE up to 1394 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 7:54PM.

49 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

56%

5 AM

20°

59%

6 AM

21°

36%

7 AM

21°

8 AM

22°

9 AM

24°

10 AM

25°

11 AM

26°

13%

12 PM

27°

17%

1 PM

29°

16%

2 PM

30°

21%

3 PM

31°

30%

4 PM

31°

33%

5 PM

31°

42%

6 PM

30°

46%

7 PM

29°

46%

8 PM

28°

47%

9 PM

27°

26%

10 PM

26°

21%

11 PM

24°

11%

12 AM

24°

1 AM

24°

2 AM

24°

3 AM

23°

7-Day Forecast

Today

31° 22°

Partly Cloudy with a 56% chance of rain.

Tue

31° 22°

Partly Cloudy.

Wed

34° 22°

Partly Cloudy.

Thu

31° 21°

Rain, 75% chance.

Fri

29° 21°

Rain, 82% chance.

Sat

29° 19°

Rain, 70% chance.

Sun

32° 20°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Overcast 56% 4 mph SSW 94%

5 AM 20° Overcast 59% 4 mph SW 96%

6 AM 21° Mostly Cloudy 36% 4 mph WSW 95%

7 AM 21° Mostly Cloudy 8% 4 mph W 94%

8 AM 22° Partly Cloudy 3% 5 mph W 89%

9 AM 24° Partly Cloudy 4% 5 mph WNW 83%

10 AM 25° Partly Cloudy 4% 6 mph WNW 77%

11 AM 26° Partly Cloudy 13% 6 mph WNW 72%

12 PM 27° Partly Cloudy 17% 6 mph WNW 67%

1 PM 29° Partly Cloudy 16% 7 mph WNW 62%

2 PM 30° Mostly Clear 21% 7 mph WNW 60%

3 PM 31° Mostly Clear 30% 7 mph WNW 59%

4 PM 31° Mostly Clear 33% 6 mph W 58%

5 PM 31° Partly Cloudy 42% 6 mph W 61%

6 PM 30° Mostly Cloudy 46% 5 mph W 65%

7 PM 29° Mostly Cloudy 46% 4 mph W 70%

8 PM 28° Mostly Cloudy 47% 5 mph WNW 74%

9 PM 27° Overcast 26% 4 mph WNW 78%

10 PM 26° Overcast 21% 4 mph WNW 81%

11 PM 24° Overcast 11% 4 mph NW 82%

12 AM 24° Mostly Cloudy 5% 4 mph NW 83%

1 AM 24° Mostly Cloudy 3% 5 mph NNW 83%

2 AM 24° Partly Cloudy 3% 5 mph NNW 84%

3 AM 23° Partly Cloudy 3% 5 mph NNW 84%

15-Day Forecast

Today

8/17

Partly Cloudy

56%

22°

31°

Tue

8/18

Partly Cloudy

22°

31°

Wed

8/19

Partly Cloudy

14%

22°

34°

Thu

8/20

Rain

75%

21°

31°

Fri

8/21

Rain

82%

21°

29°

Sat

8/22

Rain

70%

19°

29°

Sun

8/23

Rain

63%

20°

32°

Mon

8/24

Clear

43%

18°

30°

Tue

8/25

Drizzle

44%

16°

30°

Wed

8/26

Drizzle

60%

19°

29°

Thu

8/27

Drizzle

60%

20°

29°

Fri

8/28

Drizzle

60%

19°

28°

Sat

8/29

Drizzle

60%

19°

29°

Sun

8/30

Drizzle

60%

19°

31°

Mon

8/31

Drizzle

60%

19°

29°

Good

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

50 100 150 200

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

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

49 AQI 8.9 µg/m³

O₃

Ground-level ozone

31 AQI 34 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 49 Good 31 49

Tue 53 Moderate 44 53

Wed 59 Moderate 48 59

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 Mon Aug 17, 07:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE13 J/kg

MUCAPE96 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index2.6

Kinematics

0–6 km Shear15 kt

0–1 km Shear24 kt

Eff. Shear—

0–1 km SRH146

0–3 km SRH133

Eff. SRH—

Storm Motion305° @ 17 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index37.0

Thermo & Levels

PWAT2.35 in

0–3 km LR4.1 °C/km

700–500 LR5.0 °C/km

Total Totals42.9

LCL993 hPa

LFC1006 hPa

EL1000 hPa

Freezing Lvl15,531 ft

Philadelphia County, Pennsylvania, United States

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