• Today

    Jul 29

    93°Lo 71°

    Mostly sunny; very hot, humid

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Jul 30

    89°Lo 64°

    An afternoon thunderstorm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Fri

    Jul 31

    88°Lo 64°

    Less humid with plenty of sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Aug 1

    90°Lo 63°

    Mostly sunny and hot

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Aug 2

    88°Lo 63°

    Mostly sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    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
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Temp (°F) 73° 72° 71° 73° 76° 79° 81° 84°
RealFeel® 76° 76° 74° 78° 81° 87° 90° 94°
Humidity 86% 89% 93% 89% 88% 83% 75% 70%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
5%
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) 2 SSW 2 S 4 SSW 4 SSW 6 SSW 6 SSW 7 SSW 7 SSW
UV Index 0 0 0 0 1 1 3 4
Cloud Cover 25% 25% 25% 25% 90% 88% 90% 90%
Dew Point 68° 69° 69° 70° 72° 73° 72° 73°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2014
High 89° 84° 97° (1940) 78°
Low 64° 63° 50° (1997) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:23 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:34 PM with 10:36 of moolight, then sets at 6:10 AM

Bethlehem Weather Report

Philadelphia: Third Heat Wave of Summer to Finish Up July

July 29, 2015; 3:52 AM ET

Another summer swelter is in store for Philadelphia with the third heat wave of the summer for many locations. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Thu. Snow Day Potential