• Wed

    Sep 9

    81°Lo 60°

    A thunderstorm possible

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

    Sep 10

    81°Lo 60°

    Clouds and sun

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

    Sep 11

    80°Lo 55°

    Abundant sunshine

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

    Sep 12

    79°Lo 57°

    Mainly cloudy

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

    Sep 13

    82°Lo 65°

    Brilliant sunshine

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 81° RealFeel® 83° Precipitation 30%

Day

N

E

S

W

  • N 7 mph
  • Gusts: 22 mph

Mostly sunny with a thunderstorm possible

  • Max UV Index: 6 (High)
  • Thunderstorms: 35%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 60° RealFeel® 59° Precipitation 0%

Night

N

E

S

W

  • NNE 5 mph
  • Gusts: 13 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 9

more Historical Weather Data >
  Today Normal Record 9/9/2014
High 81° 79° 93° (1959) 74°
Low 60° 59° 44° (1986) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 12:45 of sunlight, then sets at 7:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:08 AM with 14:08 of moolight, then sets at 5:16 PM

Princeton Weather Report

Philly: Sizzling Heat Wave to Start September

August 30, 2015; 1:16 PM ET

A push of summery heat and humidity will arrive in Philadelphia this week as September begins 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.