• Early AM

    Jul 29

    Lo 70°

    Clear

    Stargazing Weather
    • Cloud
      Cover
      15%
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Today

    Jul 29

    93°Lo 73°

    Mostly sunny, hot and humid

    Very Good for stargazing
    • Cloud
      Cover
      16%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Thu

    Jul 30

    90°Lo 67°

    A heavy t-storm in the p.m.

    Poor for stargazing
    • Cloud
      Cover
      26%
    • Precip
      65%
    • Hours of Precip
      2
    more
  • Fri

    Jul 31

    90°Lo 64°

    Less humid with plenty of sun

    Very Good for stargazing
    • Cloud
      Cover
      1%
    • Precip
      11%
    • Hours of Precip
      0
  • Sat

    Aug 1

    91°Lo 66°

    Hot with plenty of sun

    Good for stargazing
    • Cloud
      Cover
      25%
    • Precip
      50%
    • Hours of Precip
      0.5
    more
Next Previous
Hi 90° RealFeel® 94° Precipitation 11%

Day

N

E

S

W

  • NW 7 mph
  • Gusts: 10 mph

Less humid with plenty of sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 64° Precipitation 11%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 8 mph

Clear

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

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 90° 85° 99° (1954) 84°
Low 64° 66° 56° (2001) 59°

Solunar Information for Princeton, NJ

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 14:20 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:15 PM with 11:04 of moolight, then sets at 7:19 AM

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

Princeton Weather Report

Philadelphia: Third Heat Wave of Summer to Finish Up July

July 29, 2015; 3:52 AM ET

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

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.

Fri. Stargazing