• Tonight

    Aug 27

    Lo 57°

    Mainly clear and nice

    Hair Frizz Weather
    • Wind
      Gust
      13 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Fri

    Aug 28

    82°Lo 59°

    Nice with plenty of sunshine

    Watch for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Sat

    Aug 29

    87°Lo 64°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      11%
    • Hours of Precip
      0
  • Sun

    Aug 30

    89°Lo 67°

    Partly sunny and more humid

    Advisory for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Mon

    Aug 31

    90°Lo 67°

    Very warm with clouds and sun

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      12%
    • Hours of Precip
      0
    more
Next Previous
Hi 87° RealFeel® 91° Precipitation 11%

Day

N

E

S

W

  • WSW 5 mph
  • Gusts: 8 mph

Mostly sunny

  • Max UV Index: 6 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 64° Precipitation 25%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 8 mph

Partly cloudy and humid

  • 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 - Aug 29

more Historical Weather Data >
  Today Normal Record 8/29/2014
High 87° 82° 97° (2010) 79°
Low 64° 62° 41° (1986) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:13 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:30 PM with 11:49 of moolight, then sets at 7:19 AM

Princeton Weather Report

Philadelphia: Break From Heat, Humidity to End This Weekend

August 27, 2015; 10:36 PM ET

After taking a break this week, heat and humidity will return to Philadelphia this weekend and will not be quick to depart. 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.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index