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Personalized Forecasts

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    • Early AM

      Sep 21

      69° Lo
      Partly to mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Today

      Sep 21

      83° /64°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Sep 22

      79° /66°F
      Partial sunshine
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Sat

      Sep 23

      78° /66°
      Partly sunny and warm
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sun

      Sep 24

      81° /67°
      Mostly sunny, warm and muggy
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More

    Day

    79°Hi RealFeel® 80° Precipitation 11%
    Partial sunshine
    • Winds from the
    • N 13 mph
    • Gusts: 17 mph
    • Max UV Index: 9 (Very High)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    66°Lo RealFeel® 62° Precipitation 16%
    Partly cloudy
    • Winds from the
    • N 12 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Rockville Centre Pollen Levels Sep 22

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/22/2016
    High 79° 73° 91° (1980) 83°
    Low 66° 58° 41° (1962) 62°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 6:52 PM
    • Duration: 12:10 hr

    Moonrise/Moonset

    • Moonrise: 8:59 AM
    • Moonset: 8:29 PM
    • Duration: 11:30 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps