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    • Today

      May 23

      71° /57°F
      Mostly cloudy and warmer
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Wed

      May 24

      70° /57°
      Clouds breaking for some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      May 25

      62° /59°
      Rain and a t-storm; cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      May 26

      71° /59°
      Warmer; an a.m. shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Sat

      May 27

      72° /60°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    71°Hi RealFeel® 76° Precipitation 25%
    Mostly cloudy and warmer
    • SSE 7 mph
    • Gusts: 13 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 5%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    57°Lo RealFeel® 53° Precipitation 56%
    Mostly cloudy with a touch of rain
    • NNE 7 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 5%
    • 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

    Rockville Centre Pollen Levels May 23

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/23/2016
    High 71° 71° 89° (1980) 70°
    Low 57° 55° 44° (1963) 52°

    Sunrise/Sunset

    • Sunrise: 5:31 AM
    • Sunset: 8:12 PM
    • Duration: 14:41 hr

    Moonrise/Moonset

    • Moonrise: 4:16 AM
    • Moonset: 5:38 PM
    • Duration: 13:22 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps