• Tonight

    Sep 20

    Lo 64°

    Mostly cloudy

    Stargazing Weather
    • Cloud
      Cover
      70%
    • Precip
      25%
    • Hours of Precip
      0
  • Sun

    Sep 21

    81°Lo 60°

    Clouds breaking for some sun

    Very Good for stargazing
    • Cloud
      Cover
      40%
    • Precip
      55%
    • Hours of Precip
      1
    more
  • Mon

    Sep 22

    71°Lo 46°

    Mostly sunny and not as warm

    Excellent for stargazing
    • Cloud
      Cover
      1%
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Tue

    Sep 23

    70°Lo 52°

    Sunny and nice

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Wed

    Sep 24

    72°Lo 52°

    Nice with plenty of sunshine

    Excellent for stargazing
    • Cloud
      Cover
      2%
    • Precip
      13%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
5pm
6pm 7pm 8pm 9pm 10pm 11pm Sun
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Cloudy
Partly Sunny
Partly Sunny
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 76° 74° 71° 68° 66° 66° 65° 65°
RealFeel® 72° 69° 67° 64° 62° 63° 63° 64°
Humidity 58% 63% 70% 82% 87% 90% 93% 93%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 10 SSW 9 SSW 8 SSW 6 SSW 6 SSW 5 S 4 S 4 SSE
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 55% 47% 48% 72% 69% 70% 69% 70%
Dew Point 60° 60° 61° 62° 62° 63° 63° 63°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 77° 74° 94° (1895) 79°
Low 64° 55° 37° (1993) 50°

Solunar Information for Princeton, NJ

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 12:16 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:21 AM with 13:40 of moolight, then sets at 5:01 PM

Wed, Sep 24
New
Wed, Oct 1
First
Wed, Oct 8
Full
Wed, Oct 15
Last
Top Story

Princeton Weather Report

Philly: September Temperature Roller Coaster to Continue

September 20, 2014; 2:01 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. more >

Lunar Reconnaissance Orbiter Studies Moon

Sep 14, 2014; 5:00 AM ET We now know the topographical structure of the moon better than our own planet thanks to LRO.

Sat. Stargazing