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, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, 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: 2:12 PM CDT  ·  Refresh
28°C
Feels like 28°
Mostly Clear
▲ 29°  /  ▼ 19°
Wind
10 mph WNW
Humidity
52%
Dew Point
18°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
8.5
Cloud Cover
27%
Sunrise
5:56 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia is currently mostly clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 831 J/kg) — isolated convective development possible. Sunrise: 5:56AM · Sunset: 8:17PM.

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, Northern Tangipahoa, 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, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
5%
4 PM
28°
5%
5 PM
28°
6%
6 PM
27°
6%
7 PM
26°
12%
8 PM
24°
14%
9 PM
23°
16%
10 PM
22°
8%
11 PM
22°
8%
12 AM
21°
8%
1 AM
21°
8%
2 AM
21°
8%
3 AM
21°
11%
4 AM
20°
11%
5 AM
19°
11%
6 AM
19°
11%
7 AM
19°
9%
8 AM
20°
9%
9 AM
22°
10%
10 AM
24°
17%
11 AM
24°
12%
12 PM
25°
16%
1 PM
26°
17%
2 PM
28°
25%
7-Day Forecast
Today
29° 19°
Mostly Clear.
Thu
29° 19°
Partly Cloudy with a 31% chance of rain.
Fri
33° 19°
Mostly Clear.
Sat
34° 21°
Mostly Cloudy with a 71% chance of rain.
Sun
33° 22°
Drizzle, 60% chance.
Mon
33° 22°
Clear with a 60% chance of rain.
Tue
34° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Clear 5% 10 mph WNW 52%
4 PM 28° Partly Cloudy 5% 11 mph WNW 53%
5 PM 28° Partly Cloudy 6% 11 mph WNW 55%
6 PM 27° Partly Cloudy 6% 11 mph WNW 59%
7 PM 26° Mostly Clear 12% 10 mph WNW 62%
8 PM 24° Mostly Clear 14% 10 mph WNW 66%
9 PM 23° Partly Cloudy 16% 9 mph WNW 68%
10 PM 22° Partly Cloudy 8% 8 mph WNW 71%
11 PM 22° Mostly Cloudy 8% 8 mph WNW 72%
12 AM 21° Partly Cloudy 8% 8 mph WNW 74%
1 AM 21° Partly Cloudy 8% 8 mph WNW 75%
2 AM 21° Partly Cloudy 8% 8 mph W 77%
3 AM 21° Partly Cloudy 11% 8 mph W 77%
4 AM 20° Partly Cloudy 11% 8 mph WNW 77%
5 AM 19° Mostly Cloudy 11% 9 mph WNW 76%
6 AM 19° Partly Cloudy 11% 9 mph WNW 75%
7 AM 19° Partly Cloudy 9% 10 mph WNW 73%
8 AM 20° Partly Cloudy 9% 10 mph WNW 72%
9 AM 22° Partly Cloudy 10% 10 mph NW 69%
10 AM 24° Partly Cloudy 17% 10 mph NW 66%
11 AM 24° Mostly Cloudy 12% 10 mph NW 63%
12 PM 25° Mostly Cloudy 16% 10 mph NW 62%
1 PM 26° Partly Cloudy 17% 10 mph NW 60%
2 PM 28° Partly Cloudy 25% 11 mph NW 59%
15-Day Forecast
Today
7/29
Mostly Clear
16%
19°
29°
Thu
7/30
Partly Cloudy
31%
19°
29°
Fri
7/31
Mostly Clear
15%
19°
33°
Sat
8/1
Mostly Cloudy
71%
21°
34°
Sun
8/2
Drizzle
60%
22°
33°
Mon
8/3
Clear
60%
22°
33°
Tue
8/4
Clear
19%
19°
34°
Wed
8/5
Clear
25%
22°
36°
Thu
8/6
Drizzle
60%
22°
36°
Fri
8/7
Drizzle
60%
23°
37°
Sat
8/8
Drizzle
60%
24°
36°
Sun
8/9
Drizzle
60%
23°
34°
Mon
8/10
Clear
60%
23°
34°
Tue
8/11
Drizzle
60%
22°
34°
Wed
8/12
Drizzle
60%
22°
34°
51
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
51 AQI 9.4 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 51 Moderate 43 51
Fri 49 Good 40 49
Sat 54 Moderate 54 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. 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 Wed Jul 29, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1084 J/kg
MLCAPE278 J/kg
MUCAPE1084 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear21 kt
0–1 km Shear8 kt
Eff. Shear16 kt
0–1 km SRH-35
0–3 km SRH-38
Eff. SRH-38
Storm Motion235° @ 20 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.7
Thermo & Levels
PWAT1.24 in
0–3 km LR6.9 °C/km
700–500 LR6.3 °C/km
Total Totals44.4
LCL869 hPa
LFC1000 hPa
EL256 hPa
Freezing Lvl13,717 ft