• Tonight

    Apr 18

    Lo 47°

    Clear to partly cloudy

    Stargazing Weather
    • Cloud
      Cover
      19%
    • Precip
      11%
    • Hours of Precip
      0
  • Sun

    Apr 19

    62°Lo 46°

    Some sun, then clouds; cooler

    Poor for stargazing
    • Cloud
      Cover
      94%
    • Precip
      80%
    • Hours of Precip
      6
    more
  • Mon

    Apr 20

    66°Lo 55°

    Morning rain, heavy at times

    Poor for stargazing
    • Cloud
      Cover
      87%
    • Precip
      66%
    • Hours of Precip
      7.5
    more
  • Tue

    Apr 21

    66°Lo 42°

    Partly sunny and nice

    Excellent for stargazing
    • Cloud
      Cover
      1%
    • Precip
      17%
    • Hours of Precip
      0
    more
  • Wed

    Apr 22

    64°Lo 42°

    Breezy with increasing clouds

    Poor for stargazing
    • Cloud
      Cover
      71%
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Temp (°F) 78° 79° 80° 80° 78° 76° 69° 65°
RealFeel® 82° 82° 81° 79° 76° 73° 66° 62°
Humidity 26% 25% 24% 24% 25% 28% 35% 39%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 8 WNW 9 WSW 9 NW 10 NW 10 NW 9 NW 8 NW 8 NW
UV Index 6 5 3 2 1 0 0 0
Cloud Cover 50% 58% 50% 46% 37% 27% 19% 15%
Dew Point 41° 40° 40° 40° 40° 40° 41° 39°
Middle Grid line 85 F 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 - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 80° 62° 93° (1976) 52°
Low 47° 42° 30° (1928) 37°

Solunar Information for Princeton, NJ

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:24 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:15 AM with 13:31 of moolight, then sets at 7:46 PM

Sat, Apr 18
New
Sat, Apr 25
First
Mon, May 4
Full
Mon, May 11
Last

Princeton Weather Report

Philly: Weekend to End Cooler with Rain to Follow

April 18, 2015; 6:09 PM ET

A repeat of Saturday's warmth is not expected anytime soon in Philadelphia, with the weather taking a cooler, then wet turn. 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.

Sat. Stargazing