• Light rain 40°
    Ragweed Pollen Current Weather
    • Relative Humidity
      85%
    • Yesterday
      Temp
      39°
    • RealFeel
      29°
  • Today

    Mar 27

    Hi 49°

    Colder with occasional rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    Day Details >
  • Tomorrow

    Mar 28

    Hi 40°

    Variable clouds, snow showers

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    Day Details >
  • Sunday

    Mar 29

    Hi 45°

    Mostly sunny

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

Snowfall from late tonight into tomorrow afternoon will total a coating to an inch

3/27 3/28 Now: 5:13am
AM 5-9
  • 5am Rain 44° 72%
  • 6am Rain 43° 74%
  • 7am Rain 43° 74%
  • 8am Cloudy 39° 49%
  • 9am Cloudy 40° 49%
PM 4-9
  • 4pm Rain 48° 52%
  • 5pm Cloudy 47° 40%
  • 6pm Cloudy 45° 34%
  • 7pm Cloudy 44° 29%
  • 8pm Mostly cloudy 42° 20%
  • 9pm Mostly cloudy 41° 20%
PM 10-3
  • 10pm Mostly cloudy 39° 20%
  • 11pm Cloudy 38° 20%
  • 12am Mostly cloudy 37° 20%
  • 1am Mostly cloudy 36° 19%
  • 2am Cloudy 34° 16%
  • 3am Cloudy 33° 16%
Hourly Forecast >

Princeton Pollen Levels - March 27

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Mar 26, 2015; 10:45 PM ET
Short-Range Weather forecast overview for the Northeast United States
Northeast Short-Range Regional Weather Forecast

Princeton Weather Report

Philly to Turn Sharply Colder, Little Snowy This Weekend

March 27, 2015; 4:17 AM ET

Wintry conditions and cold will return to the Philadelphia area through Sunday morning. more >

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Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps