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    • Today

      Jan 20

      45° /40°F
      Rain and drizzle
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Jan 21

      55° /44°
      Areas of fog in the morning
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      51° /38°
      Cloudy with afternoon rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Jan 23

      43° /38°
      Rain, windy and cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Jan 24

      47° /33°
      A bit of morning rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    45°Hi RealFeel® 46° Precipitation 57%
    Considerable clouds and mild; periods of rain and drizzle later this afternoon
    • SE 4 mph
    • Gusts: 6 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Night

    40°Lo RealFeel® 40° Precipitation 53%
    Considerable clouds with on-and-off rain and drizzle this evening, then areas of fog late
    • SSW 4 mph
    • Gusts: 6 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0.03 in
    • Rain: 0.03 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Princeton Pollen Levels Jan 20

    • 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 1/20/2016
    High 45° 39° 64° (1947) 36°
    Low 40° 23° -5° (1985) 22°

    Sunrise/Sunset

    • Sunrise: 7:17 AM
    • Sunset: 5:03 PM
    • Duration: 9:46 hr

    Moonrise/Moonset

    • Moonrise: 12:41 AM
    • Moonset: 11:56 AM
    • Duration: 11:15 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps