• Early AM

    May 23

    Lo 67°

    A shower or thunderstorm

    Asthma Weather
    • Hi
      RealFeel
      81°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Today

    May 23

    77°Lo 59°

    Showers and a heavier t-storm

    At Extreme Risk weather for asthma
    • Hi
      RealFeel
      80°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
  • Fri

    May 24

    62°Lo 44°

    Cooler with a few showers

    At Risk weather for asthma
    • Hi
      RealFeel
      58°
    • UV
      3 - Moderate
    • Air Qual.
      Good
    more
  • Sat

    May 25

    64°Lo 46°

    Clouds giving way to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      7 - High
    • Cloud
      Cover
      70%
    more
  • Sun

    May 26

    65°Lo 44°

    Partly sunny and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      66°
    • UV
      7 - High
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Cloudy
Partly Cloudy
T-storms
Mostly Cloudy
Cloudy
T-storms
Cloudy
Temp (°F) 68° 68° 67° 68° 70° 71° 71° 72°
RealFeel® 65° 65° 65° 63° 69° 71° 70° 75°
Humidity 84% 84% 89% 89% 86% 85% 84% 82%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
37%
 
44%
 
48%
 
52%
 
43%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 3 SSW 4 SSW 5 S 5 S 5 SSW 6 SSW 6 SSW 7 SSW
UV Index 0 0 0 0 1 2 2 3
Cloud Cover 64% 70% 72% 78% 84% 90% 90% 90%
Dew Point 63° 63° 64° 65° 65° 66° 66° 66°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2012
High 77° 74° 95° (1925) 80°
Low 59° 51° 37° (2002) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:39 AM with 14:40 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:48 PM with 10:21 of moolight, then sets at 5:09 AM

Top Story

Allentown Weather Report

Severe Storms From Washington DC to New York City

May 22, 2013; 6:12 PM ET

The same system that spawned deadly tornadoes in Oklahoma will reach the Northeast on Thursday. more >

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index