• Tonight

    Sep 19

    Lo 54°

    Increasing clouds

    Hair Frizz Weather
    • Wind
      Gust
      20 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    78°Lo 62°

    Clouds breaking for some sun

    Advisory for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      17%
    • Hours of Precip
      0
    more
  • Sun

    Sep 21

    81°Lo 59°

    Partly sunny and warm

    Advisory for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      25%
    • Hours of Precip
      0.5
    more
  • Mon

    Sep 22

    71°Lo 48°

    Partly sunny and not as warm

    Watch for hair frizz
    • Wind
      Gust
      30 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Tue

    Sep 23

    73°Lo 52°

    Sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      7%
    • Hours of Precip
      0
Next Previous
Hi 73° RealFeel® 72° Precipitation 7%

Day

N

E

S

W

  • NW 6 mph
  • Gusts: 10 mph

Nice with a full day of sunshine

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 52° RealFeel® 48° Precipitation 9%

Night

N

E

S

W

  • N 5 mph
  • Gusts: 9 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 73° 73° 97° (1895) 66°
Low 52° 53° 38° (1904) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:08 of sunlight, then sets at 6:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:09 AM with 12:22 of moolight, then sets at 6:31 PM

Top Story

Princeton Weather Report

Philly: September Temperature Roller Coaster to Continue

September 19, 2014; 11:01 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. 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.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index