• Today

    Feb 13

    22°Lo 3°

    Becoming windier, very cold

    Beneficial weather for migraines
    • Hi
      RealFeel
    • UV
      2 - Low
    • Cloud
      Cover
      61%
    more
  • Sun

    Feb 14

    16°Lo 8°

    Mostly sunny and very cold

    Beneficial weather for migraines
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      11%
  • Mon

    Feb 15

    36°Lo 34°

    A little afternoon snow

    Neutral weather for migraines
    • Hi
      RealFeel
      27°
    • UV
      2 - Low
    • Cloud
      Cover
      99%
    more
  • Tue

    Feb 16

    50°Lo 32°

    Rain; breezy, not as cool

    Neutral weather for migraines
    • Hi
      RealFeel
      39°
    • UV
      2 - Low
    • Cloud
      Cover
      98%
    more
  • Wed

    Feb 17

    42°Lo 27°

    Mostly cloudy

    Neutral weather for migraines
    • Hi
      RealFeel
      40°
    • UV
      2 - Low
    • Cloud
      Cover
      82%
    more
Next Previous
Hi 16° RealFeel® 3° Precipitation 2%

Day

N

E

S

W

  • NW 15 mph
  • Gusts: 23 mph

Breezy in the morning; mostly sunny, very cold; extreme cold can be dangerous in the morning

  • 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 8° RealFeel® 4° Precipitation 4%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 12 mph

Partly cloudy and frigid

  • 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

Temperature History - Feb 14

more Historical Weather Data >
  Today Normal Record 2/14/2015
High 16° 40° 60° (1990) 34°
Low 25° (2015)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 10:37 of sunlight, then sets at 5:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:33 AM with 14:06 of moolight, then sets at 12:39 AM

Port Jefferson Weather Report

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

February 13, 2016; 11:10 AM ET

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

Sun. Migraine Headache

Sun. UV Index