• Thu

    Feb 18

    33°Lo 19°

    Sunny and colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 19

    38°Lo 30°

    Partial sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    Feb 20

    46°Lo 33°

    Cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Feb 21

    46°Lo 32°

    Mainly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Feb 22

    45°Lo 22°

    Considerable cloudiness

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 38° RealFeel® 34° Precipitation 13%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 12 mph

Partial sunshine

  • Max UV Index: 3 (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
Lo 30° RealFeel® 14° Precipitation 74%

Night

N

E

S

W

  • SSW 9 mph
  • Gusts: 22 mph

Plenty of clouds with rain beginning

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Feb 19

more Historical Weather Data >
  Today Normal Record 2/19/2015
High 38° 41° 60° (1997) 24°
Low 30° 26° (2015)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 10:49 of sunlight, then sets at 5:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:47 PM with 14:23 of moolight, then sets at 5:10 AM

Port Jefferson Weather Report

NYC: Flood threat to follow frigid Valentine's Day weekend

February 13, 2016; 10:10 AM ET

A sharp warmup and flood threat will follow the frigid Valentine’s Day weekend in New York City. more >