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    • Thu

      Sep 29

      74° /59°F
      Rain and drizzle possible
      • 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
    • Fri

      Sep 30

      70° /60°
      A couple of showers possible
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      73° /56°
      Mostly cloudy, rain possible
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      73° /47°
      Windy with a bit of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      58° /46°
      Low clouds and windy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    74°Hi RealFeel® 73° Precipitation 30%
    Mostly cloudy, chance of a little rain
    • NNW 9 mph
    • Gusts: 13 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 14%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    59°Lo RealFeel® 54° Precipitation 80%
    Mostly cloudy with a couple of showers
    • WNW 8 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.41 in
    • Rain: 0.41 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5 hrs
    • Hours of Rain: 5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 74° 71° 82° (1948) 80°
    Low 59° 56° 44° (2000) 69°

    Sunrise/Sunset

    • Sunrise: 6:50 AM
    • Sunset: 6:39 PM
    • Duration: 11:49 hr

    Moonrise/Moonset

    • Moonrise: 5:22 AM
    • Moonset: 6:11 PM
    • Duration: 12:49 hr
    Astronomy

    Rockville Centre Weather Report

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

    September 25, 2016; 1:09 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 this weekend. More >

    Thu. Dust & Dander

    Thu. Wind Maps