Hourly Weather | Today Thursday, October 30, 2025
Active Weather Warnings
Philadelphia, Pennsylvania
7 PM
Cloudy Night
64°
Feels Like 59°
47
Humidity: 96%
Wind: 16 mph
UV Index: 0
8 PM
Cloudy Night
63°
Feels Like 57°
1
Humidity: 84%
Wind: 15 mph
UV Index: 0
9 PM
Cloudy Night
61°
Feels Like 55°
1
Humidity: 86%
Wind: 15 mph
UV Index: 0
10 PM
Cloudy Night
57°
Feels Like 52°
1
Humidity: 87%
Wind: 15 mph
UV Index: 0
11 PM
Cloudy Night
55°
Feels Like 48°
1
Humidity: 86%
Wind: 15 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 3.63 µg/m³
  • O3: 0.033 ppm
  • NO2: 2.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 4.22 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.39 µg/m³
  • PM10: 4.54 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.45 µg/m³
  • PM10: 4.8 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.41 µg/m³
  • PM10: 4.91 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Philadelphia

Minor Expected Likely

Coastal Flood Advisory

Coastal Flood Advisory issued October 30 at 3:35PM EDT until October 31 at 12:00AM EDT by NWS Mount Holly NJ
Oct 30, 7:00 PM Oct 31, 12:00 AM
WHAT: Up to one foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways.

WHERE: In New Jersey, Gloucester, Camden and Northwestern
Burlington. In Pennsylvania, Delaware, Philadelphia and Lower
Bucks.

WHEN: From 7 PM this evening to midnight EDT tonight.

IMPACTS: At this level, flooding begins on the most
vulnerable roads along tidal waterways. Some partial or full
road closures are possible.
+ Read More
A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.
Updated: Oct 30, 5:46 PM Source: NWS Alert