• Today

    Jul 31

    86°Lo 72°

    Less humid with plenty of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      90°
    • UV
      5 - High
    • Cloud
      Cover
      5%
  • Sat

    Aug 1

    86°Lo 68°

    Sun, some clouds

    Beneficial weather for migraines
    • Hi
      RealFeel
      89°
    • UV
      5 - High
    • Cloud
      Cover
      32%
    more
  • Sun

    Aug 2

    85°Lo 73°

    Mostly sunny and less humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      89°
    • UV
      5 - High
    • Cloud
      Cover
      11%
    more
  • Mon

    Aug 3

    87°Lo 74°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      90°
    • UV
      5 - High
    • Cloud
      Cover
      28%
    more
  • Tue

    Aug 4

    85°Lo 68°

    A thunderstorm in the area

    Beneficial weather for migraines
    • Hi
      RealFeel
      86°
    • UV
      5 - High
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 86° RealFeel® 90° Precipitation 6%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 14 mph

Less humid with plenty of sun

  • Max UV Index: 7 (High)
  • 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 72° RealFeel® 70° Precipitation 12%

Night

N

E

S

W

  • SW 7 mph
  • Gusts: 12 mph

Clear

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

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 86° 82° 93° (2002) 82°
Low 72° 66° 55° (2001) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:23 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:10 PM with 11:01 of moolight, then sets at 7:11 AM

Port Jefferson Weather Report

NYC: Heat to Linger, Humidity to Ease This Weekend

July 31, 2015; 4:37 AM ET

Following the steambath of this week, New York City will catch a break from high humidity Friday and this weekend but not sizzling temperatures. more >

Fri. Migraine Headache

Fri. UV Index