Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 7:00 PM Areal Flood Watch 1:00 AM

Philadelphia, Pennsylvania

Last updated: 10:55 AM CDT  ·  Refresh
28°C
Feels like 31°
Rain
▲ 31°  /  ▼ 22°
Wind
10 mph S
Humidity
69%
Dew Point
23°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
2.7
Cloud Cover
98%
Sunrise
5:49 AM
Sunset
8:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia is currently rain at 28°C. Precipitation is likely — peak probability 90% around 12 PM. Atmospheric instability is elevated (CAPE up to 2385 J/kg) — isolated convective development possible. Sunrise: 5:49AM · Sunset: 8:24PM.

81 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
85%
12 PM
28°
90%
1 PM
30°
71%
2 PM
28°
72%
3 PM
28°
73%
4 PM
28°
74%
5 PM
28°
78%
6 PM
27°
90%
7 PM
25°
85%
8 PM
24°
76%
9 PM
24°
76%
10 PM
24°
77%
11 PM
24°
55%
12 AM
24°
43%
1 AM
23°
37%
2 AM
23°
37%
3 AM
23°
39%
4 AM
23°
28%
5 AM
22°
47%
6 AM
22°
37%
7 AM
23°
31%
8 AM
23°
50%
9 AM
25°
51%
10 AM
26°
56%
7-Day Forecast
Today
31° 22°
Rain, 85% chance.
Wed
31° 21°
Partly Cloudy with a 55% chance of rain.
Thu
30° 18°
Mostly Clear.
Fri
30° 18°
Mostly Cloudy.
Sat
30° 18°
Clear.
Sun
32° 18°
Drizzle, 43% chance.
Mon
33° 21°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Rain 85% 10 mph S 69%
12 PM 28° Overcast 90% 11 mph SSW 68%
1 PM 30° Overcast 71% 12 mph SSW 68%
2 PM 28° Overcast 72% 11 mph SSW 75%
3 PM 28° Overcast 73% 11 mph SSW 79%
4 PM 28° Overcast 74% 11 mph SSW 84%
5 PM 28° Overcast 78% 11 mph S 88%
6 PM 27° Heavy Rain 90% 12 mph SSW 90%
7 PM 25° Heavy Rain 85% 11 mph SSW 94%
8 PM 24° Heavy Rain 76% 11 mph SSW 94%
9 PM 24° Heavy Rain 76% 9 mph SSW 94%
10 PM 24° Heavy Rain 77% 9 mph S 94%
11 PM 24° Rain 55% 8 mph SSW 92%
12 AM 24° Rain 43% 7 mph SSW 91%
1 AM 23° Drizzle 37% 7 mph SSW 90%
2 AM 23° Drizzle 37% 8 mph SSW 90%
3 AM 23° Rain 39% 9 mph SSW 90%
4 AM 23° Rain 28% 8 mph SSW 91%
5 AM 22° Mostly Cloudy 47% 8 mph SW 89%
6 AM 22° Mostly Cloudy 37% 8 mph SW 87%
7 AM 23° Mostly Cloudy 31% 8 mph SW 84%
8 AM 23° Partly Cloudy 50% 8 mph SW 80%
9 AM 25° Partly Cloudy 51% 8 mph SW 75%
10 AM 26° Partly Cloudy 56% 9 mph WSW 70%
15-Day Forecast
Today
7/21
Rain
85%
22°
31°
Wed
7/22
Partly Cloudy
55%
21°
31°
Thu
7/23
Mostly Clear
3%
18°
30°
Fri
7/24
Mostly Cloudy
17%
18°
30°
Sat
7/25
Clear
16%
18°
30°
Sun
7/26
Drizzle
43%
18°
32°
Mon
7/27
Drizzle
63%
21°
33°
Tue
7/28
Rain
69%
22°
31°
Wed
7/29
Rain
68%
21°
31°
Thu
7/30
Drizzle
36%
20°
32°
Fri
7/31
Drizzle
60%
21°
32°
Sat
8/1
Drizzle
60%
22°
32°
Sun
8/2
Drizzle
60%
22°
32°
Mon
8/3
Drizzle
60%
22°
32°
Tue
8/4
Drizzle
60%
22°
33°
81
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
PM2.5
Fine particulate matter
Dominant
81 AQI 25.1 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 81 Moderate 39 81
Thu 56 Moderate 44 56
Fri 45 Good 45 35
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 21, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2576 J/kg
MLCAPE1821 J/kg
MUCAPE2576 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear29 kt
0–1 km Shear11 kt
Eff. Shear31 kt
0–1 km SRH22
0–3 km SRH-59
Eff. SRH-59
Storm Motion211° @ 33 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.3
STP (eff)0.0
Supercell0.0
K-Index35.4
Thermo & Levels
PWAT2.10 in
0–3 km LR6.5 °C/km
700–500 LR5.8 °C/km
Total Totals47.9
LCL938 hPa
LFC1006 hPa
EL179 hPa
Freezing Lvl14,698 ft