• Today

    May 29

    81°Lo 64°

    Some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Mon

    May 30

    69°Lo 64°

    Tropical Rainstorm Bonnie

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Tue

    May 31

    79°Lo 62°

    Turning sunny; warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
  • Wed

    Jun 1

    75°Lo 58°

    Partly sunny and beautiful

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Thu

    Jun 2

    67°Lo 58°

    Partial sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Warmer 79° Lo 74° RealFeel® 84° / 73°

N

E

S

W

  • Precipitation: 7%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 56%
  • Cloud Cover: 14%
  • Dew Point: 60° F
  • Visibility: 10 mi
8 mph

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2015
High 79° 72° 92° (1987) 78°
Low 62° 55° 41° (1990) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:23 AM with 14:55 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:29 AM with 12:35 of moolight, then sets at 3:04 PM

Port Jefferson Weather Report

Bonnie's moisture to soak Memorial Day weekend plans from DC to NYC, Boston

May 29, 2016; 3:41 PM ET

Moisture from Bonnie will put outdoor plans in jeopardy from Washington, D.C., to Boston into Memorial Day. more >

Tue. Dust & Dander

Tue. Wind Maps