• Today

    May 29

    84°Lo 64°

    A blend of sun and clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sat

    May 30

    86°Lo 65°

    Clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sun

    May 31

    78°Lo 53°

    A shower and t-storm around

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Mon

    Jun 1

    62°Lo 51°

    Colder with rain at times

    Low ragweed pollen levels
    • Precip
      67%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      94%
    more
  • Tue

    Jun 2

    67°Lo 49°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 78° RealFeel® 81° Precipitation 63%

Day

N

E

S

W

  • N 8 mph
  • Gusts: 14 mph

Mostly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.4 in
  • Rain: 0.4 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 53° RealFeel® 44° Precipitation 86%

Night

N

E

S

W

  • NE 10 mph
  • Gusts: 16 mph

Rain; not as cool late

  • Max UV Index: N/A
  • Thunderstorms: 9%
  • Precipitation: 0.87 in
  • Rain: 0.87 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 12 hrs
  • Hours of Rain: 12 hrs

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2014
High 78° 76° 99° (1986) 75°
Low 53° 55° 39° (1997) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:31 AM with 14:51 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:23 PM with 10:36 of moolight, then sets at 4:59 AM

Princeton Weather Report

Weekend to End Wet, Much Cooler in Philly

May 29, 2015; 9:41 AM ET

Following only limited rainfall during much of May, the weekend will end wet around Philadelphia with a significant cooldown. more >

Sun. Dust & Dander

Sun. Wind Maps