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    • Tonight

      Aug 19

      65° Lo F
      A thunderstorm in spots early
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sun

      Aug 20

      85° /63°
      Pleasant with plenty of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      88° /71°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Aug 22

      90° /73°
      A thunderstorm around
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Aug 23

      83° /59°
      A thunderstorm in the area
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    87°Hi RealFeel® 94° Precipitation 7%
    Partial sunshine; less humid this afternoon
    • Winds from the
    • W 7 mph
    • Gusts: 14 mph
    • Max UV Index: 10 (Extreme)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    65°Lo RealFeel® 64° Precipitation 40%
    A shower or thunderstorm in spots this evening; otherwise, clear to partly cloudy
    • Winds from the
    • W 5 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Princeton Pollen Levels Aug 19

    • 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 8/19/2016
    High 87° 83° 95° (2002) 89°
    Low 65° 64° 54° (1924) 71°

    Sunrise/Sunset

    • Sunrise: 6:13 AM
    • Sunset: 7:51 PM
    • Duration: 13:38 hr

    Moonrise/Moonset

    • Moonrise: 3:42 AM
    • Moonset: 6:25 PM
    • Duration: 14:43 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps