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    • Today

      Mar 30

      54° /39°
      Some sun
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      Mar 31

      47° /41°F
      Cooler with periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Sat

      Apr 1

      50° /37°
      A little morning rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Sun

      Apr 2

      59° /38°
      Partly sunny and milder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Mon

      Apr 3

      55° /46°
      Considerable cloudiness
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    47°Hi RealFeel® 39° Precipitation 78%
    Cooler with periods of rain, becoming heavy
    • ESE 10 mph
    • Gusts: 15 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 7%
    • Precipitation: 0.97 in
    • Rain: 0.97 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 8 hrs
    • Hours of Rain: 8 hrs

    Night

    41°Lo RealFeel® 32° Precipitation 85%
    Evening rain, some heavy; considerable cloudiness
    • NE 10 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 7%
    • Precipitation: 1.15 in
    • Rain: 1.15 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 6 hrs
    • Hours of Rain: 6 hrs

    Princeton Pollen Levels Mar 31

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 3/31/2016
    High 47° 56° 82° (1998) 71°
    Low 41° 36° 17° (1923) 41°

    Sunrise/Sunset

    • Sunrise: 6:45 AM
    • Sunset: 7:22 PM
    • Duration: 12:37 hr

    Moonrise/Moonset

    • Moonrise: 9:19 AM
    • Moonset: 11:40 PM
    • Duration: 14:21 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps