• Tonight

    Aug 30

    Lo 63°

    Mainly clear

    Asthma Weather
    • Hi
      RealFeel
      94°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Wed

    Aug 31

    88°Lo 67°

    Partly sunny and more humid

    Neutral weather for asthma
    • Hi
      RealFeel
      96°
    • UV
      5 - High
    • Air Qual.
      Moderate
  • Thu

    Sep 1

    80°Lo 56°

    Not as warm; a morning shower

    Neutral weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Sep 2

    77°Lo 56°

    Partly sunny, breezy and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sat

    Sep 3

    77°Lo 58°

    Sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
Hi 88° RealFeel® 96° Precipitation 14%

Day

N

E

S

W

  • SW 4 mph
  • Gusts: 6 mph

Partly sunny and more humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 8%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 67° Precipitation 41%

Night

N

E

S

W

  • NW 2 mph
  • Gusts: 5 mph

Mostly cloudy and humid with a shower or thunderstorm in the area

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2015
High 88° 80° N/A 90°
Low 67° 58° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:05 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:39 AM with 13:35 of moolight, then sets at 7:14 PM

Allentown Weather Report

September to start on cooler, less humid note in northeastern US

August 30, 2016; 11:24 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index