• Today

    May 23

    66°Lo 46°

    Mostly sunny and cool

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

    May 24

    79°Lo 55°

    Warmer with periods of sun

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

    May 25

    84°Lo 63°

    Times of clouds and sun

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

    May 26

    86°Lo 65°

    A t-storm around in the p.m.

    Low ragweed pollen levels
    • Precip
      40%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      22%
    more
  • Wed

    May 27

    84°Lo 64°

    T-storms possible in the p.m.

    Ragweed Pollen Weather
    • Precip
      35%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      28%
    more
Next Previous
Hi 66° RealFeel® 74° Precipitation 4%

Day

N

E

S

W

  • NW 7 mph
  • Gusts: 14 mph

Sunny much of the time and cool; pleasant this afternoon

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 46° RealFeel® 45° Precipitation 9%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 8 mph

Clear to partly cloudy

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

Princeton Pollen Levels - May 23

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 66° 74° 99° (1911) 74°
Low 46° 53° 41° (2006) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:39 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:48 AM with 13:55 of moolight, then sets at 12:43 AM

Princeton Weather Report

Philly: Warmer Days to Come Memorial Day Weekend

May 23, 2015; 4:32 AM ET

While temperatures rebounded on Friday, even warmer weather will reach the Philadelphia area this Memorial Day holiday weekend. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps