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    • Tue

      Oct 4

      67° /58°
      Mostly cloudy
      • 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
      More
    • Wed

      Oct 5

      67° /56°F
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Thu

      Oct 6

      72° /55°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Oct 7

      70° /55°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 8

      71° /50°
      Thunderstorms possible
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    67°Hi RealFeel® 67° Precipitation 25%
    Times of clouds and sun
    • NE 9 mph
    • Gusts: 15 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    56°Lo RealFeel® 49° Precipitation 24%
    Cloudy
    • NE 13 mph
    • Gusts: 20 mph
    • Max UV Index: N/A
    • Thunderstorms: 3%
    • 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 10/5/2015
    High 67° 67° N/A 66°
    Low 56° 51° N/A 53°

    Sunrise/Sunset

    • Sunrise: 6:55 AM
    • Sunset: 6:28 PM
    • Duration: 11:33 hr

    Moonrise/Moonset

    • Moonrise: 11:01 AM
    • Moonset: 9:23 PM
    • Duration: 10:22 hr
    Astronomy

    Syosset Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 29, 2016; 8:16 AM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday, while rain will spread over the balance of the northeastern United States into the weekend. More >