• Tonight

    May 30

    Lo 67°

    A thunderstorm in spots late

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      10 mph
    more
  • Sun

    May 31

    83°Lo 64°

    An afternoon thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      9 mph
    more
  • Mon

    Jun 1

    77°Lo 61°

    Mostly cloudy with t-storms

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      8 mph
  • Tue

    Jun 2

    72°Lo 54°

    A little a.m. rain; clearing

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      9 mph
    more
  • Wed

    Jun 3

    72°Lo 54°

    Nice with plenty of sun

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 77° RealFeel® 79° Precipitation 65%

Day

N

E

S

W

  • WSW 8 mph
  • Gusts: 13 mph

Mostly cloudy with showers and thunderstorms

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs
Lo 61° RealFeel® 59° Precipitation 65%

Night

N

E

S

W

  • NW 7 mph
  • Gusts: 9 mph

Rain at times

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0.24 in
  • Rain: 0.24 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Jun 1

more Historical Weather Data >
  Today Normal Record 6/1/2014
High 77° 77° 98° (1895) 75°
Low 61° 56° 43° (1938) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:31 AM with 14:51 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:23 PM with 10:20 of moolight, then sets at 5:43 AM

Princeton Weather Report

Philly: Storms to Return Before Warmth Eases Next Week

May 30, 2015; 6:57 PM ET

Showers and thunderstorms will return to Philadelphia as May transitions to June before summer warmth eases next week. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index