• Clear 73°
    Asthma Current Weather
    • Relative Humidity
      77%
    • Yesterday
      Temp
      70°
    • Pressure
      29.97 inHg
  • Early AM

    Jul 27

    Lo 67°

    Clear

    Asthma Weather
    • Hi
      RealFeel
      99°
    • UV
      7 - Very High
    • Air Qual.
      Good
    Day Details >
  • Today

    Jul 27

    Hi 91°

    Mostly sunny and hot

    Beneficial weather for asthma
    • Hi
      RealFeel
      98°
    • UV
      5 - High
    • Air Qual.
      Moderate
    Day Details >
  • Tomorrow

    Jul 28

    Hi 92°

    Sun mixing with clouds

    Neutral weather for asthma
    • Hi
      RealFeel
      105°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    Day Details >
Next

Thunderstorms Friday

7/27 7/28 Now: 2:41am
AM 2-6
  • 2am Clear 73° 0%
  • 3am Clear 71° 0%
  • 4am Clear 69° 0%
  • 5am Clear 68° 0%
  • 6am Mostly sunny 67° 0%
PM 1-6
  • 1pm Partly sunny 88° 0%
  • 2pm Partly sunny 89° 0%
  • 3pm Partly sunny 90° 0%
  • 4pm Mostly sunny 91° 0%
  • 5pm Mostly sunny 90° 0%
  • 6pm Sunny 89° 0%
PM 7-12
  • 7pm Sunny 87° 0%
  • 8pm Mostly sunny 83° 0%
  • 9pm Mostly clear 80° 0%
  • 10pm Mostly clear 77° 0%
  • 11pm Mostly clear 75° 0%
  • 12am Mostly clear 73° 0%
Hourly Forecast >
Jul 27, 2016; 2:07 AM ET
Five-day Weather Forecast for Philadelphia, PA
Philadelphia, PA Weather Forecast

Allentown Weather Report

Dangerous heat wave to persist in northeastern US much of this week

July 27, 2016; 1:00 AM ET

A stifling heat wave will remain entrenched across the Northeast much of this week, despite a brief reprieve in humidity for some. more >

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Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index