• Sunny 84°
    Ragweed Pollen Current Weather
    • Relative Humidity
      54%
    • Yesterday
      Temp
      81°
    • RealFeel
      83°
  • Tonight

    Jul 22

    Lo 67°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Tomorrow

    Jul 23

    Hi 90°

    Clouds and sun; hot, humid

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Thursday

    Jul 24

    Hi 82°

    A morning thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
Next

Thunderstorms, some strong, tomorrow evening through Thursday morning

7/22 7/23 Now: 7:42pm
PM 7-11
  • 7pm Mostly sunny 83° 0%
  • 8pm Mostly sunny 80° 0%
  • 9pm Mostly clear 77° 0%
  • 10pm Mostly clear 75° 0%
  • 11pm Mostly clear 73° 0%
AM 6-11
  • 6am Partly sunny 69° 0%
  • 7am Partly sunny 70° 2%
  • 8am Mostly sunny 73° 7%
  • 9am Mostly sunny 77° 7%
  • 10am Mostly sunny 80° 7%
  • 11am Mostly sunny 83° 7%
PM 12-5
  • 12pm Mostly sunny 86° 7%
  • 1pm Mostly sunny 87° 7%
  • 2pm Partly sunny 88° 7%
  • 3pm Partly sunny 89° 7%
  • 4pm Intermittent clouds 90° 7%
  • 5pm Partly sunny 89° 7%
Hourly Forecast >

Princeton Pollen Levels - July 22

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

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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 >

Allergies Live Feed

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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