• Today

    May 23

    79°Lo 63°

    Heavy thunderstorms

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
  • Fri

    May 24

    68°Lo 48°

    Cloudy, showers; not as warm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sat

    May 25

    61°Lo 47°

    Morning rain; cloudy, windy

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sun

    May 26

    64°Lo 46°

    Partly sunny, breezy and cool

    Extreme indoor dust & dander levels
    • Precip
      9%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      30%
    more
  • Mon

    May 27

    72°Lo 47°

    Mostly sunny and warmer

    Very High indoor dust & dander levels
    • Precip
      6%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 79° RealFeel® 82° Precipitation 60%

Day

N

E

S

W

  • SW 8 mph
  • Gusts: 16 mph

A couple of showers and a heavy t-storm; storms can bring downpours, large hail and damaging winds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 53%
  • Precipitation: 0.4 in
  • Rain: 0.4 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 63° RealFeel® 61° Precipitation 65%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 11 mph

Mild with periods of rain and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 53%
  • Precipitation: 0.31 in
  • Rain: 0.31 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Princeton Pollen Levels - May 23

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

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2012
High 79° 74° 99° (1911) 81°
Low 63° 53° 41° (2006) 63°

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 6:44 PM with 10:21 of moolight, then sets at 5:05 AM

Top Story

Princeton Weather Report

Severe Storms From Washington DC to New York City

May 23, 2013; 11:20 AM ET

The same system that spawned deadly tornadoes in Oklahoma will reach the Northeast on Thursday. more >

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps