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Personalized Forecasts

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    • Sat

      Oct 15

      61° /47°
      Sunny
      • Asthma
      • Weather
      • Hi RealFeel: 67°
      • Precip: 20%
      • Cloud Cover: 4%
      More
    • Sun

      Oct 16

      65° /49°
      Partly sunny
      • Asthma
      • Weather
      • Hi RealFeel: 67°
      • Precip: 20%
      • Cloud Cover: 44%
      More
    • Mon

      Oct 17

      64° /51°
      Rain becoming steadier; windy
      • Asthma
      • Weather
      • Hi RealFeel: 58°
      • Precip: 75%
      • Cloud Cover: 100%
      More
    • Tue

      Oct 18

      65° /51°F
      Times of sun and clouds
      • Asthma
      • Weather
      • Hi RealFeel: 67°
      • Precip: 25%
      • Cloud Cover: 58%
    • Wed

      Oct 19

      65° /50°
      Sunshine
      • Asthma
      • Weather
      • Hi RealFeel: 67°
      • Precip: 5%
      • Cloud Cover: 6%
      More

    Day

    65°Hi RealFeel® 67° Precipitation 25%
    Times of sun and clouds
    • NW 8 mph
    • Gusts: 16 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    51°Lo RealFeel® 46° Precipitation 25%
    Clearing
    • NW 12 mph
    • Gusts: 18 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/18/2015
    High 65° 64° 77° (1964) 53°
    Low 51° 49° 37° (1978) 38°

    Sunrise/Sunset

    • Sunrise: 7:10 AM
    • Sunset: 6:09 PM
    • Duration: 10:59 hr

    Moonrise/Moonset

    • Moonrise: 8:26 PM
    • Moonset: 11:01 AM
    • Duration: 14:35 hr
    Astronomy

    Rockville Centre Weather Report

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

    September 25, 2016; 10:29 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 >