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    • Tonight

      Sep 29

      56° Lo F
      Rain; becoming windier, mild
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Fri

      Sep 30

      61° /58°
      Windy with rain and drizzle
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      69° /61°
      Cloudy, a little rain; breezy
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      74° /60°
      Mainly cloudy with showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      76° /58°
      Mostly cloudy with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    59° RealFeel® 49°
    Light rain
    • 17 mph
    • Humidity: 86%
    • Pressure: 30.30 in
    • UV Index: 0
    • Cloud Cover: 100%
    • Ceiling: 3400 ft
    • Dew Point: 55° F
    • Visibility: 9 mi

    Sunrise/Sunset

    • Sunrise: 6:54 AM
    • Sunset: 6:43 PM
    • Duration: 11:49 hr

    Moonrise/Moonset

    • Moonrise: 5:27 AM
    • Moonset: 6:15 PM
    • Duration: 12:48 hr
    Astronomy

    TEMPERATURE SUMMARY

      Temp (°F)
    Now 59°
    Yesterday 57°
    RealFeel® 49°
    RealFeel® Shade 49°
    Wind Chill 59°
    Dew Point 55°
      Hi / Lo
    Previous 6 Hours 63°/59°
    Previous 12 Hours 63°/59°
    Previous 24 Hours 63°/58°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 63° 71° 88° (1921) 83°
    Low 56° 51° 38° (1942) 67°

    PRECIPITATION SUMMARY

      Amount (in)
    Previous 1 Hour 0.03
    Previous 3 Hours 0.06
    Previous 6 Hours 0.18
    Previous 9 Hours 0.19
    Previous 12 Hours 0.19
    Previous 18 Hours 0.3
    Previous 24 Hours 0.34

    Princeton Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 29, 2016; 8:33 PM ET

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

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps