• Tonight

    Apr 30

    Lo 41°

    Increasing clouds

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    May 1

    51°Lo 46°

    Cloudy, a little rain; fog

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

    May 2

    61°Lo 47°

    Cloudy, a couple of showers

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

    May 3

    55°Lo 48°

    A little rain in the morning

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

    May 4

    61°Lo 48°

    Cool with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 51° RealFeel® 49° Precipitation 64%

Day

N

E

S

W

  • E 9 mph
  • Gusts: 14 mph

Cloudy, a little rain; fog, cooler

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 5%
  • Precipitation: 0.21 in
  • Rain: 0.21 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 46° RealFeel® 37° Precipitation 56%

Night

N

E

S

W

  • NE 9 mph
  • Gusts: 16 mph

Patchy fog with on-and-off rain and drizzle

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Port Jefferson Pollen Levels - May 1

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

    Low

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Low

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 51° 63° 84° (2001) 55°
Low 46° 45° 32° (2008) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:01 of sunlight, then sets at 7:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:41 AM with 11:11 of moolight, then sets at 1:52 PM

Port Jefferson Weather Report

Rain to ease unusual northeastern US dryness but to put a damper on outdoor plans

April 30, 2016; 7:55 PM ET

Expanding rainfall will bring good news for unusually dry portions of the northeastern United States into the start of May. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps