Frost Advisory — Middlesex, NJ, Western Monmouth, NJ, Mercer, NJ, Salem, NJ, Gloucester, NJ, Camden, NJ, Northwestern Burlington, NJ, Ocean, NJ, Cumberland, NJ, Atlantic, NJ, Southeastern Burlington, NJ, Delaware, PA, Philadelphia, PA, Eastern Chester, PA, Eastern Montgomery, PA, Lower Bucks, PA 8:00 AM

Philadelphia, Pennsylvania

Last updated: 3:19 AM CDT  ·  Refresh
6°C
Feels like 3°
Partly Cloudy
▲ 18°  /  ▼ 3°
Wind
2 mph NNW
Humidity
72%
Dew Point
2°
Pressure
30.40 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
42%
Sunrise
7:20 AM
Sunset
6:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia is currently partly cloudy at 6°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:20AM · Sunset: 6:08PM.

Alerts

Frost Advisory
Middlesex, NJ, Western Monmouth, NJ, Mercer, NJ, Salem, NJ, Gloucester, NJ, Camden, NJ, Northwestern Burlington, NJ, Ocean, NJ, Cumberland, NJ, Atlantic, NJ, Southeastern Burlington, NJ, Delaware, PA, Philadelphia, PA, Eastern Chester, PA, Eastern Montgomery, PA, Lower Bucks, PA
Expires 8:00 AM
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
6°
17%
5 AM
5°
5%
6 AM
5°
7%
7 AM
4°
9%
8 AM
6°
11%
9 AM
8°
13%
10 AM
11°
3%
11 AM
13°
3%
12 PM
14°
3%
1 PM
17°
3%
2 PM
18°
3%
3 PM
18°
3%
4 PM
18°
3%
5 PM
16°
3%
6 PM
14°
3%
7 PM
13°
3%
8 PM
12°
3%
9 PM
12°
3%
10 PM
11°
3%
11 PM
10°
3%
12 AM
9°
3%
1 AM
9°
3%
2 AM
9°
3%
3 AM
9°
6%
7-Day Forecast
Today
18° 3°
Clear.
Sun
20° 7°
Clear.
Mon
22° 7°
Fog.
Tue
19° 9°
Partly Cloudy.
Wed
19° 8°
Clear.
Thu
21° 8°
Clear.
Fri
26° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 6° Partly Cloudy 17% 2 mph NNW 72%
5 AM 5° Partly Cloudy 5% 4 mph NNW 67%
6 AM 5° Partly Cloudy 7% 3 mph NNW 68%
7 AM 4° Mostly Clear 9% 3 mph NNW 70%
8 AM 6° Mostly Clear 11% 3 mph NNW 69%
9 AM 8° Mostly Clear 13% 3 mph NNW 63%
10 AM 11° Clear 3% 3 mph NNW 56%
11 AM 13° Clear 3% 3 mph NNW 50%
12 PM 14° Clear 3% 2 mph NW 44%
1 PM 17° Clear 3% 2 mph WNW 38%
2 PM 18° Clear 3% 2 mph W 34%
3 PM 18° Clear 3% 2 mph W 33%
4 PM 18° Clear 3% 2 mph WSW 33%
5 PM 16° Clear 3% 3 mph WSW 35%
6 PM 14° Clear 3% 3 mph SW 40%
7 PM 13° Clear 3% 3 mph SW 45%
8 PM 12° Clear 3% 2 mph SW 49%
9 PM 12° Clear 3% 2 mph WSW 52%
10 PM 11° Clear 3% 2 mph WSW 55%
11 PM 10° Clear 3% 2 mph WSW 58%
12 AM 9° Clear 3% 3 mph WSW 61%
1 AM 9° Clear 3% 3 mph W 64%
2 AM 9° Clear 3% 3 mph W 66%
3 AM 9° Mostly Clear 6% 3 mph W 68%
15-Day Forecast
Today
10/24
Clear
17%
3°
18°
Sun
10/25
Clear
6%
7°
20°
Mon
10/26
Fog
6%
7°
22°
Tue
10/27
Partly Cloudy
3%
9°
19°
Wed
10/28
Clear
3%
8°
19°
Thu
10/29
Clear
3%
8°
21°
Fri
10/30
Clear
3%
11°
26°
Sat
10/31
Clear
18%
11°
23°
Sun
11/1
Drizzle
44%
10°
22°
Mon
11/2
Drizzle
75%
9°
21°
Tue
11/3
Drizzle
60%
12°
22°
Wed
11/4
Drizzle
60%
9°
18°
Thu
11/5
Drizzle
60%
9°
18°
Fri
11/6
Drizzle
60%
9°
19°
Sat
11/7
Drizzle
60%
10°
20°
36
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
PM2.5
Fine particulate matter
Dominant
36 AQI 6.4 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 36 Good 24 36
Sun 61 Moderate 30 61
Mon 71 Moderate 34 71
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sat Oct 24, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE22 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index20.1
Kinematics
0–6 km Shear11 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH-28
0–3 km SRH-19
Eff. SRH—
Storm Motion37° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-48.2
Thermo & Levels
PWAT0.26 in
0–3 km LR1.8 °C/km
700–500 LR6.7 °C/km
Total Totals10.1
LCL969 hPa
LFC—
EL—
Freezing Lvl10,089 ft