• Fri

    Sep 11

    78°Lo 56°

    Considerable cloudiness

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      25%
    • Hours of Precip
      0
  • Sat

    Sep 12

    77°Lo 55°

    Rather cloudy

    Hair Frizz Weather
    • Wind
      Gust
      5 mph
    • Precip
      60%
    • Hours of Precip
      2.5
    more
  • Sun

    Sep 13

    76°Lo 57°

    Sunny

    Hair Frizz Weather
    • Wind
      Gust
      8 mph
    • Precip
      20%
    • Hours of Precip
      0
    more
  • Mon

    Sep 14

    78°Lo 53°

    Sunny

    Hair Frizz Weather
    • Wind
      Gust
      13 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Tue

    Sep 15

    75°Lo 58°

    Mostly sunny

    Hair Frizz Weather
    • Wind
      Gust
      9 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
Next Previous
Hi 78° RealFeel® 79° Precipitation 25%

Day

N

E

S

W

  • ENE 2 mph
  • Gusts: 7 mph

Considerable cloudiness

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 62° Precipitation 25%

Night

N

E

S

W

  • SE 5 mph
  • Gusts: 8 mph

Mainly cloudy

  • 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 11

more Historical Weather Data >
  Today Normal Record 9/11/2014
High 78° 78° 98° (1983) 85°
Low 56° 57° 40° (1917) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:39 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:07 AM with 13:21 of moolight, then sets at 6:28 PM

Mohnton Weather Report

Philadelphia: Break From Heat, Humidity to End This Weekend

August 28, 2015; 3:46 AM 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.