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    • Today

      Sep 30

      62° /59°
      Windy with rain and drizzle
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      68° /60°
      Mostly cloudy, a little rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      72° /59°
      A passing shower or two
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      74° /57°F
      Mostly cloudy with a shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Tue

      Oct 4

      69° /56°
      Mostly cloudy with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    64°/59° RealFeel® 64°/59°
    Mostly cloudy
    • 4 mph
    • Precipitation: 25%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 78%
    • Cloud Cover: 70%
    • Dew Point: 54° F
    • Visibility: 8 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/3/2015
    High 74° 69° 88° (1898) 54°
    Low 57° 49° 34° (2003) 48°

    Sunrise/Sunset

    • Sunrise: 6:58 AM
    • Sunset: 6:36 PM
    • Duration: 11:38 hr

    Moonrise/Moonset

    • Moonrise: 9:15 AM
    • Moonset: 8:17 PM
    • Duration: 11:02 hr
    Astronomy

    Princeton Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 30, 2016; 4:16 AM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday night, while rain will spread over the balance of the northeastern United States into the weekend. More >

    Mon. Dust & Dander

    Mon. Wind Maps