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    • Early AM

      Sep 26

      45° Lo
      Mainly clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Today

      Sep 26

      74° /62°
      Mostly sunny and pleasant
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      73° /49°F
      A little morning rain
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Wed

      Sep 28

      76° /60°
      Clouds and sun
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      69° /61°
      Periods of rain
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    Tuesday
    3am
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    Forecast Rain Rain Cloudy Cloudy Rain Rain Rain Cloudy
    Temp (°F) 64° 64° 64° 63° 62° 62° 63° 64°
    RealFeel® 60° 60° 62° 62° 57° 59° 60° 65°
    Wind (mph) 6 S 6 SSW 7 SSW 6 SW 6 WSW 6 W 7 W 7 W
    precip
    3am
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    Rain
    61%
    61%
    49%
    47%
    51%
    55%
    55%
    49%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    3am
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    UV Index 0 0 0 0 0 0 1 1
    Cloud Cover 98% 98% 100% 100% 100% 95% 95% 95%
    Humidity 74% 75% 73% 73% 75% 74% 71% 67%
    Dew Point 56° 56° 55° 55° 54° 54° 54° 53°
    Temp °F
    3am
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    65° 60°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 73° 72° 92° (1998) 70°
    Low 49° 52° 36° (1947) 55°

    Sunrise/Sunset

    • Sunrise: 6:52 AM
    • Sunset: 6:46 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:28 AM
    • Moonset: 5:11 PM
    • Duration: 13:43 hr
    Astronomy

    Princeton Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 26, 2016; 1:29 AM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region to end this weekend. More >

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps