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    • Today

      Sep 28

      73° /59°
      Afternoon rain
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      65° /58°F
      Mostly cloudy, a little rain
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Fri

      Sep 30

      66° /61°
      Windy with rain and drizzle
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      73° /64°
      Cloudy, a little rain; warmer
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      78° /56°
      Low clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Thursday
    4am
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    Forecast Cloudy Cloudy Rain Rain Rain Cloudy Cloudy Cloudy
    Temp (°F) 61° 61° 61° 59° 60° 61° 61° 63°
    RealFeel® 56° 56° 52° 50° 51° 54° 56° 56°
    Wind (mph) 15 ENE 15 ENE 15 ENE 16 ENE 17 ENE 18 ENE 21 ENE 26 ENE
    precip
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    Rain
    49%
    49%
    58%
    58%
    51%
    47%
    43%
    43%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    UV Index 0 0 0 0 0 0 1 1
    Cloud Cover 99% 100% 100% 100% 94% 94% 94% 94%
    Humidity 91% 91% 91% 93% 93% 91% 90% 90%
    Dew Point 59° 58° 58° 58° 58° 58° 58° 60°
    Temp °F
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    65° 60° 55°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 65° 71° 88° (1921) 83°
    Low 58° 51° 38° (1942) 67°

    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

    Princeton Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 28, 2016; 10:09 AM ET

    Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic. More >

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps