• Tonight

    May 3

    Lo 50°

    Pleasant early; clear

    Hair Frizz Weather
    • Wind
      Gust
      13 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Mon

    May 4

    80°Lo 54°

    Sunny and pleasantly warm

    Unlikely for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      6%
    • Hours of Precip
      0
  • Tue

    May 5

    79°Lo 55°

    A couple of p.m. t-storms

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      60%
    • Hours of Precip
      2
    more
  • Wed

    May 6

    69°Lo 50°

    Increasing amounts of sun

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Thu

    May 7

    79°Lo 51°

    Sunshine, pleasant and warmer

    Unlikely for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 69° 73° 76° 78° 79° 80° 78° 75°
RealFeel® 72° 78° 82° 84° 84° 84° 80° 76°
Humidity 50% 42% 37% 35% 31% 30% 32% 37%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 SW 6 SW 7 WSW 8 SW 9 SW 12 SW 12 SW 12 SW
UV Index 3 4 6 7 7 7 6 4
Cloud Cover 0% 0% 0% 0% 0% 1% 4% 7%
Dew Point 50° 49° 49° 48° 47° 46° 46° 47°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 80° 68° 92° (2001) 61°
Low 54° 44° 31° (2002) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:57 AM with 14:03 of sunlight, then sets at 8:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:38 PM with 10:27 of moolight, then sets at 7:05 AM

Bethlehem Weather Report

Philly: June-like Warmth to Dominate This Week

May 3, 2015; 6:30 PM ET

Monday is shaping up to be Philadelphia's warmest day so far this year, kicking off a week that will be dominated by summer warmth. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index