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 8:00 PM

Philadelphia, Pennsylvania

Last updated: 2:59 PM CDT  ·  Refresh
27°C
Feels like 27°
Mostly Clear
▲ 28°  /  ▼ 19°
Wind
3 mph N
Humidity
47%
Dew Point
16°
Pressure
29.96 inHg
Visibility
10 mi
UV Index
7.4
Cloud Cover
28%
Sunrise
6:18 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia is currently mostly clear at 27°C. Precipitation is likely — peak probability 64% around 3 PM. Sunrise: 6:18AM · Sunset: 7:48PM.

Alerts

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
Expires 8:00 PM
45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
4 PM
28°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
26°
6%
8 PM
24°
17%
9 PM
23°
21%
10 PM
23°
21%
11 PM
22°
32%
12 AM
22°
21%
1 AM
22°
21%
2 AM
21°
38%
3 AM
21°
39%
4 AM
21°
39%
5 AM
20°
40%
6 AM
20°
44%
7 AM
20°
44%
8 AM
21°
47%
9 AM
21°
54%
10 AM
22°
55%
11 AM
23°
45%
12 PM
23°
48%
1 PM
24°
48%
2 PM
24°
48%
7-Day Forecast
Today
28° 19°
Mostly Cloudy with a 21% chance of rain.
Sat
26° 20°
Overcast with a 64% chance of rain.
Sun
29° 20°
Partly Cloudy with a 50% chance of rain.
Mon
28° 18°
Mostly Clear.
Tue
28° 18°
Clear.
Wed
31° 19°
Rain, 70% chance.
Thu
31° 21°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 3 mph N 47%
4 PM 28° Partly Cloudy 3% 3 mph NNE 45%
5 PM 28° Overcast 3% 3 mph NE 48%
6 PM 27° Overcast 3% 3 mph ENE 55%
7 PM 26° Overcast 6% 3 mph ENE 60%
8 PM 24° Overcast 17% 4 mph E 66%
9 PM 23° Overcast 21% 4 mph SE 72%
10 PM 23° Overcast 21% 4 mph SE 77%
11 PM 22° Mostly Cloudy 32% 3 mph SE 79%
12 AM 22° Overcast 21% 3 mph ESE 82%
1 AM 22° Overcast 21% 2 mph ESE 84%
2 AM 21° Overcast 38% 2 mph ESE 86%
3 AM 21° Overcast 39% 2 mph E 88%
4 AM 21° Overcast 39% 2 mph E 89%
5 AM 20° Overcast 40% 3 mph ENE 91%
6 AM 20° Overcast 44% 2 mph E 92%
7 AM 20° Overcast 44% 3 mph E 93%
8 AM 21° Overcast 47% 4 mph E 89%
9 AM 21° Overcast 54% 4 mph ESE 86%
10 AM 22° Overcast 55% 5 mph ESE 84%
11 AM 23° Overcast 45% 5 mph ESE 80%
12 PM 23° Overcast 48% 5 mph ESE 76%
1 PM 24° Mostly Cloudy 48% 6 mph ESE 73%
2 PM 24° Mostly Cloudy 48% 6 mph ESE 74%
15-Day Forecast
Today
8/21
Mostly Cloudy
21%
19°
28°
Sat
8/22
Overcast
64%
20°
26°
Sun
8/23
Partly Cloudy
50%
20°
29°
Mon
8/24
Mostly Clear
17%
18°
28°
Tue
8/25
Clear
3%
18°
28°
Wed
8/26
Rain
70%
19°
31°
Thu
8/27
Drizzle
60%
21°
31°
Fri
8/28
Rain
63%
20°
30°
Sat
8/29
Drizzle
44%
19°
30°
Sun
8/30
Drizzle
51%
19°
32°
Mon
8/31
Drizzle
60%
22°
31°
Tue
9/1
Drizzle
60%
21°
31°
Wed
9/2
Drizzle
60%
21°
30°
Thu
9/3
Drizzle
60%
20°
29°
Fri
9/4
Drizzle
60%
20°
30°
45
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
38 AQI 6.8 µg/m³
O3
Ground-level ozone
Dominant
45 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 45 Good 45 38
Sun 43 Good 38 43
Mon 44 Good 44 37
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 Fri Aug 21, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE60 J/kg
MLCAPE8 J/kg
MUCAPE60 J/kg
SBCIN-0 J/kg
MLCIN-2 J/kg
Lifted Index3.4
Kinematics
0–6 km Shear32 kt
0–1 km Shear1 kt
Eff. Shear—
0–1 km SRH-3
0–3 km SRH81
Eff. SRH—
Storm Motion300° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index16.5
Thermo & Levels
PWAT1.06 in
0–3 km LR6.4 °C/km
700–500 LR5.2 °C/km
Total Totals32.1
LCL866 hPa
LFC1015 hPa
EL829 hPa
Freezing Lvl14,150 ft