Weather Forecast for Philadelphia

Pennsylvania, United States of America

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Partly Cloudy

Current Weather - Philadelphia: 16°C

Pennsylvania, United States of America

Partly Cloudy

Feels like 12°C

Wind

21 km/h NE

Humidity

53%

Pressure

1029 mb

UV Index

3

Visibility

10 km

Overcast

Overcast

Thursday, September 24, 2026

High

20°C

Low

11°C

Rain Chance

8%

Hourly Forecast

Overcast 19°C
18:00
Overcast 17°C
19:00
Overcast 17°C
20:00
Overcast 16°C
21:00
Overcast 16°C
22:00
Overcast 15°C
23:00
Sep 25

Day Statistics

Maximum Wind

21 km/h

Humidity

55%

Precipitation

0 mm

UV Index

5

Visibility

10 km

Rain Chance

8%

Snow Chance

0%

Sun & Moon

Sunrise

06:50 AM

Sunset

06:55 PM

Moonrise

05:59 PM

Moonset

04:47 AM

Moon Phase

Full Moon

Moon Illumination

99%

Air Quality

PM2.5

8.8

μg/m³

PM10

10.8

μg/m³

NO₂

11.2

μg/m³

O₃

59.6

μg/m³

SO₂

1.7

μg/m³

CO

183.5

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

314.84

Diffuse Radiation

144.59

DNI

0

GTI

0

Weather Alerts

Coastal Flood Advisory issued September 23 at 11:31PM EDT until September 25 at 4:00AM EDT by NWS Mount Holly NJ

Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Lower Bucks Sep 23, 11:31 PM - Sep 24, 02:00 PM
Severity: Minor Urgency: Expected

* WHAT...One to two feet 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...Until 4 AM EDT Friday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Widespread tidal flooding could continue through at least Friday night's high tide or perhaps longer.

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.

Event: Coastal Flood Advisory Certainty: Likely Category: Met

Coastal Flood Advisory issued September 24 at 5:36AM EDT until September 25 at 4:00AM EDT by NWS Mount Holly NJ

Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Lower Bucks Sep 24, 05:36 AM - Sep 24, 06:45 PM
Severity: Minor Urgency: Expected

* WHAT...One to two feet 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...Until 4 AM EDT Friday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Widespread tidal flooding could continue through at least Friday night's high tide or perhaps longer.

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.

Event: Coastal Flood Advisory Certainty: Likely Category: Met