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    • Today

      Oct 21

      77° /48°F
      Mostly clear
      • 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: Low
    • Sun

      Oct 22

      74° /58°
      High clouds, nice and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 23

      74° /63°
      Partly cloudy and warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Oct 24

      72° /53°
      Rain; breezy, warm, humid
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Oct 25

      64° /43°
      Partly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    77°Hi RealFeel® 79° Precipitation 0%
    Mostly clear; a beautiful start to the weekend
    • Winds from the
    • SW 4 mph
    • Gusts: 7 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    48°Lo RealFeel® 50° Precipitation 0%
    Partly cloudy
    • Winds from the
    • SSW 4 mph
    • Gusts: 6 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 Oct 21

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/21/2016
    High 77° 63° 85° (1947) 79°
    Low 48° 42° 28° (1952) 56°

    Sunrise/Sunset

    • Sunrise: 7:16 AM
    • Sunset: 6:10 PM
    • Duration: 10:54 hr

    Moonrise/Moonset

    • Moonrise: 8:51 AM
    • Moonset: 7:38 PM
    • Duration: 10:47 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps