• Tonight

    Jul 22

    Lo 67°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Jul 23

    90°Lo 68°

    Clouds and sun; hot, humid

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Jul 24

    82°Lo 58°

    A morning thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Jul 25

    83°Lo 60°

    Mostly sunny and comfortable

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      11%
    more
  • Sat

    Jul 26

    86°Lo 67°

    Plenty of sunshine

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      7%
    more
Next Previous
Hi 87° RealFeel® 91° Precipitation 1%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 14 mph

Partly sunny, seasonably warm and humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 66° Precipitation 9%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 12 mph

Seasonably warm and humid with patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • 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 - July 22

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 22

more Historical Weather Data >
  Today Normal Record 7/22/2013
High 87° 86° 106° (2011) 86°
Low 67° 66° 58° (1996) 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:36 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:19 AM with 14:39 of moolight, then sets at 4:58 PM

Top Story

Princeton Weather Report

Philly: Another Cooldown to Follow Midweek Storms

July 22, 2014; 3:01 PM ET

Just when it was starting to feel like the dog days of summer again, another push of cool air is taking aim on the Philadelphia area. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps