• Tonight

    May 22

    Lo 39°

    Clear

    Asthma Weather
    • Hi
      RealFeel
      75°
    • UV
      8 - Very High
    • Air Qual.
      Good
  • Sat

    May 23

    70°Lo 42°

    Mostly sunny and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      73°
    • UV
      8 - Very High
    • Air Qual.
      Good
    more
  • Sun

    May 24

    80°Lo 55°

    Times of clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      82°
    • UV
      7 - High
    • Air Qual.
      Moderate
    more
  • Mon

    May 25

    86°Lo 63°

    A p.m. t-storm possible

    Neutral weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      6 - High
    • Cloud
      Cover
      70%
    more
  • Tue

    May 26

    88°Lo 67°

    A p.m. t-storm in spots

    Neutral weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      7 - High
    • Cloud
      Cover
      52%
    more
Next Previous
Hi 72° RealFeel® 75° Precipitation 55%

Day

N

E

S

W

  • WNW 14 mph
  • Gusts: 28 mph

Breezy and warmer with sun giving way to increasing clouds

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 40%
  • Precipitation: 0.14 in
  • Rain: 0.14 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 39° RealFeel® 39° Precipitation 8%

Night

N

E

S

W

  • NW 5 mph
  • Gusts: 16 mph

Clear and cool with the temperature approaching the record low of 37 set in 2002

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2014
High 72° 73° 96° (1941) 76°
Low 39° 50° 33° (2002) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:40 AM with 14:38 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:54 AM with 14:16 of moolight, then sets at 12:10 AM

Allentown Weather Report

Philly: Warmer Days to Come Memorial Day Weekend

May 22, 2015; 4:12 PM ET

While temperatures rebounded on Friday, even warmer weather will reach the Philadelphia area this Memorial Day holiday weekend. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index