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  • Sun

    Jul 10

    Mostly cloudy 85°Lo 67°
    more
  • Mon

    Jul 11

    Sun and some clouds 85°Lo 70°
    more
  • Tue

    Jul 12

    Partly sunny and humid 86°Lo 70°
  • Wed

    Jul 13

    Cloudy and humid 90°Lo 72°
    more
  • Thu

    Jul 14

    Mostly sunny 90°Lo 69°
    more
Hi 86° RealFeel® 97° Precipitation 25%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 10 mph

Humid with intervals of clouds and sunshine

  • 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 70° RealFeel® 65° Precipitation 60%

Night

N

E

S

W

  • SSW 9 mph
  • Gusts: 17 mph

Partly cloudy with a thunderstorm or two late

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Jul 12

more Historical Weather Data >
  Today Normal Record 7/12/2015
High 86° 82° 93° (2011) 86°
Low 70° 66° 55° (2002) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:31 AM with 14:53 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:46 PM with 11:20 of moolight, then sets at 1:06 AM

Port Jefferson Weather Report

Dry weather to dominate July Fourth weekend from Chicago to NYC, Boston

June 30, 2016; 8:57 AM ET

While downpours could come calling at the start and finish of the July Fourth weekend in the northeastern United States, the vast majority of the time will be dry. more >