• Mon

    May 11

    84°Lo 63°

    Partly sunny with a t-storm

    Good for lawn mowing
    • Hours of Precip
      4.5
    • Precip
      63%
    • Hi
      RealFeel
      85°
    more
  • Tue

    May 12

    81°Lo 58°

    Couple of thunderstorms

    Fair for lawn mowing
    • Hours of Precip
      3.5
    • Precip
      60%
    • Hi
      RealFeel
      78°
  • Wed

    May 13

    72°Lo 45°

    Clouds and sun; not as warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      72°
    more
  • Thu

    May 14

    72°Lo 48°

    Partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      73°
    more
  • Fri

    May 15

    70°Lo 46°

    Clearing

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      71°
    more
Next Previous
Hi 81° RealFeel® 78° Precipitation 60%

Day

N

E

S

W

  • E 7 mph
  • Gusts: 12 mph

Cloudy, humid and remaining warm with a couple of showers and a thunderstorm, mainly later

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 58° RealFeel® 54° Precipitation 55%

Night

N

E

S

W

  • E 7 mph
  • Gusts: 13 mph

Cloudy with a passing shower

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - May 12

more Historical Weather Data >
  Today Normal Record 5/12/2014
High 81° 71° 93° (1911) 84°
Low 58° 49° 33° (1907) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:19 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:18 AM with 11:37 of moolight, then sets at 1:55 PM

Princeton Weather Report

Philadelphia: July-Like Heat to Bake Area This Weekend

May 6, 2015; 2:30 PM ET

Following spotty showers and thunderstorms at midweek, warmth is set to return to the Philadelphia area by this weekend. 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?