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    • Tonight

      Sep 19

      61° Lo F
      Patchy clouds; fog late
      • 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
    • Thu

      Sep 20

      73° /60°
      More clouds than sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Sep 21

      74° /68°
      Clouds and sun; breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Sep 22

      76° /61°
      Partly sunny; nice
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Sep 23

      69° /59°
      Cloudy to partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    77°Hi RealFeel® 82° Precipitation 8%
    A blend of sun and clouds; less humid
    • Winds from the
    • NNE 9 mph
    • Gusts: 15 mph
    • Max UV Index: 4 (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

    61°Lo RealFeel® 59° Precipitation 3%
    Partly cloudy; patchy fog late
    • Winds from the
    • NE 7 mph
    • Gusts: 10 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

    Stony Brook Pollen Levels Sep 19

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/19/2017
    High 77° 73° 83° (1985) 72°
    Low 61° 56° 44° (1990) 68°

    Sunrise/Sunset

    • Sunrise: 6:37 AM
    • Sunset: 6:55 PM
    • Duration: 12:18 hr

    Moonrise/Moonset

    • Moonrise: 4:12 PM
    • Moonset: 2:06 AM
    • Duration: 9:54 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps