• Today

    Apr 19

    63°Lo 47°

    Some sun, then clouds; cooler

    Excellent for lawn mowing
    • Hours of Precip
      5.5
    • Precip
      14%
    • Hi
      RealFeel
      65°
    more
  • Mon

    Apr 20

    65°Lo 54°

    Heavy rain in the morning

    Fair for lawn mowing
    • Hours of Precip
      6.5
    • Precip
      76%
    • Hi
      RealFeel
      62°
  • Tue

    Apr 21

    65°Lo 43°

    Partly sunny, breezy and nice

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      17%
    • Hi
      RealFeel
      66°
    more
  • Wed

    Apr 22

    64°Lo 43°

    An afternoon shower or two

    Very Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      55%
    • Hi
      RealFeel
      62°
    more
  • Thu

    Apr 23

    57°Lo 38°

    Rather cloudy and breezy

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      21%
    • Hi
      RealFeel
      53°
    more
Next Previous
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Forecast
Rain
Rain
Cloudy
Rain
Cloudy
Rain
Cloudy
Cloudy
Temp (°F) 49° 50° 53° 54° 56° 58° 59° 61°
RealFeel® 35° 36° 44° 42° 50° 49° 56° 55°
Humidity 88% 87% 86% 86% 85% 82% 77% 75%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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61%
 
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34%
Snow
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 18 ESE 21 ESE 20 ESE 17 ESE 16 ESE 15 ESE 13 ESE 22 ESE
UV Index 0 0 1 1 1 1 2 1
Cloud Cover 100% 99% 99% 99% 99% 100% 100% 99%
Dew Point 45° 47° 49° 50° 51° 52° 52° 53°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 65° 63° 91° (1941) 57°
Low 54° 42° 27° (1926) 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:30 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:40 AM with 14:22 of moolight, then sets at 10:02 PM

Princeton Weather Report

Philly: Weekend to End Cooler with Rain to Follow

April 19, 2015; 5:53 AM ET

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

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration