• Mostly clear 79°
    Stargazing Current Weather
    • Visibility
      10 mi
    • Cloud
      Cover
      30%
    • Ceiling
      25500 ft
  • Early AM

    Jul 29

    Lo 72°

    Clear

    Stargazing Weather
    • Cloud
      Cover
      14%
    • Precip
      11%
    • Hours of Precip
      0
    Day Details >
  • Today

    Jul 29

    Hi 93°

    Partly sunny, hot and humid

    Good for stargazing
    • Cloud
      Cover
      18%
    • Precip
      17%
    • Hours of Precip
      0
    Day Details >
  • Tomorrow

    Jul 30

    Hi 90°

    A shower and t-storm around

    Poor for stargazing
    • Cloud
      Cover
      70%
    • Precip
      61%
    • Hours of Precip
      4
    Day Details >
Next

Thunderstorms in the area tomorrow afternoon through late tomorrow night

7/29 7/30 Now: 2:59am
AM 2-6
  • 2am Mostly clear 76° 0%
  • 3am Clear 74° 0%
  • 4am Clear 74° 0%
  • 5am Clear 73° 0%
  • 6am Sunny 72° 0%
PM 1-6
  • 1pm Mostly sunny 91° 0%
  • 2pm Mostly sunny 92° 1%
  • 3pm Mostly sunny 92° 1%
  • 4pm Mostly sunny 93° 1%
  • 5pm Mostly sunny 91° 1%
  • 6pm Mostly sunny 90° 1%
PM 7-12
  • 7pm Mostly sunny 88° 1%
  • 8pm Mostly sunny 85° 0%
  • 9pm Mostly clear 83° 0%
  • 10pm Mostly clear 81° 0%
  • 11pm Mostly clear 80° 0%
  • 12am Mostly clear 79° 0%
Hourly Forecast >
Jul 28, 2015; 5:41 PM ET
Five-day Weather Forecast for Philadelphia, PA
Philadelphia, PA Weather Forecast

Solunar Information for Williamstown, NJ

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:20 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:40 PM with 10:24 of moolight, then sets at 5:04 AM

Fri, Jul 31
Full
Fri, Aug 7
Last
Fri, Aug 14
New
Sat, Aug 22
First

Williamstown Weather Report

Philadelphia: Third Heat Wave of Summer to Finish Up July

July 29, 2015; 2:22 AM ET

Another summer swelter is in store for Philadelphia with the third heat wave of the summer for many locations. more >

Astronomy Live Feed

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Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Wed. Stargazing