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, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM

Philadelphia, Pennsylvania

Last updated: 7:46 PM CDT  ·  Refresh
27°C
Feels like 27°
Mostly Clear
▲ 28°  /  ▼ 16°
Wind
5 mph SSW
Humidity
53%
Dew Point
16°
Pressure
29.75 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
5:53 AM
Sunset
8:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia is currently mostly clear at 26°C. Precipitation is likely — peak probability 72% around 8 PM. Atmospheric instability is elevated (CAPE up to 1368 J/kg) — isolated convective development possible. Sunrise: 5:53AM · Sunset: 8:19PM.

97 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
26%
9 PM
26°
35%
10 PM
24°
36%
11 PM
23°
38%
12 AM
23°
55%
1 AM
21°
50%
2 AM
21°
48%
3 AM
21°
43%
4 AM
21°
40%
5 AM
19°
32%
6 AM
19°
32%
7 AM
21°
21%
8 AM
22°
30%
9 AM
25°
41%
10 AM
27°
41%
11 AM
27°
54%
12 PM
28°
63%
1 PM
29°
64%
2 PM
29°
64%
3 PM
29°
68%
4 PM
28°
68%
5 PM
29°
68%
6 PM
29°
64%
7 PM
28°
65%
7-Day Forecast
Tonight
28° 16°
Partly Cloudy with a 38% chance of rain.
Mon
31° 19°
Rain, 72% chance.
Tue
30° 20°
Mostly Cloudy with a 90% chance of rain.
Wed
29° 19°
Overcast with a 76% chance of rain.
Thu
28° 18°
Partly Cloudy with a 30% chance of rain.
Fri
31° 18°
Clear with a 43% chance of rain.
Sat
33° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 26% 5 mph SSW 53%
9 PM 26° Partly Cloudy 35% 5 mph SSW 58%
10 PM 24° Partly Cloudy 36% 6 mph SSW 62%
11 PM 23° Partly Cloudy 38% 5 mph SSW 68%
12 AM 23° Partly Cloudy 55% 5 mph SSW 74%
1 AM 21° Partly Cloudy 50% 4 mph SSW 79%
2 AM 21° Partly Cloudy 48% 3 mph SSW 82%
3 AM 21° Partly Cloudy 43% 4 mph SW 84%
4 AM 21° Partly Cloudy 40% 3 mph SW 86%
5 AM 19° Partly Cloudy 32% 3 mph SW 85%
6 AM 19° Partly Cloudy 32% 3 mph SW 83%
7 AM 21° Partly Cloudy 21% 3 mph WSW 81%
8 AM 22° Mostly Clear 30% 3 mph WSW 75%
9 AM 25° Mostly Clear 41% 3 mph SW 69%
10 AM 27° Mostly Clear 41% 3 mph SSW 62%
11 AM 27° Partly Cloudy 54% 4 mph SSW 58%
12 PM 28° Mostly Cloudy 63% 5 mph SSW 55%
1 PM 29° Rain 64% 6 mph SSW 52%
2 PM 29° Rain 64% 6 mph SSW 54%
3 PM 29° Rain 68% 7 mph SSW 57%
4 PM 28° Mostly Cloudy 68% 7 mph SSW 60%
5 PM 29° Rain 68% 6 mph SSW 63%
6 PM 29° Rain 64% 6 mph S 67%
7 PM 28° Rain 65% 7 mph S 70%
15-Day Forecast
Today
7/26
Partly Cloudy
38%
16°
28°
Mon
7/27
Rain
72%
19°
31°
Tue
7/28
Mostly Cloudy
90%
20°
30°
Wed
7/29
Overcast
76%
19°
29°
Thu
7/30
Partly Cloudy
30%
18°
28°
Fri
7/31
Clear
43%
18°
31°
Sat
8/1
Clear
17%
21°
33°
Sun
8/2
Rain
63%
21°
30°
Mon
8/3
Drizzle
44%
20°
32°
Tue
8/4
Drizzle
51%
22°
34°
Wed
8/5
Drizzle
60%
24°
37°
Thu
8/6
Drizzle
60%
24°
35°
Fri
8/7
Drizzle
60%
23°
34°
Sat
8/8
Drizzle
60%
23°
34°
Sun
8/9
Drizzle
60%
23°
33°
97
Moderate
U.S. Air Quality Index · Dominant: O3
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
49 AQI 9.0 µg/m³
O3
Ground-level ozone
Dominant
97 AQI 70 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 97 Moderate 97 49
Tue 71 Moderate 71 54
Wed 50 Good 34 50
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 Sun Jul 26, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE148 J/kg
MLCAPE14 J/kg
MUCAPE148 J/kg
SBCIN-62 J/kg
MLCIN0 J/kg
Lifted Index-0.3
Kinematics
0–6 km Shear14 kt
0–1 km Shear4 kt
Eff. Shear14 kt
0–1 km SRH-10
0–3 km SRH-60
Eff. SRH-60
Storm Motion231° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.6
Thermo & Levels
PWAT1.39 in
0–3 km LR7.1 °C/km
700–500 LR5.7 °C/km
Total Totals46.2
LCL862 hPa
LFC776 hPa
EL328 hPa
Freezing Lvl12,795 ft