• Early AM

    Jun 1

    Lo 59°

    Partly to mostly cloudy

    Bicycling Weather
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Today

    Jun 1

    78°Lo 57°

    Partly sunny; low humidity

    Excellent for biking
    • Precip
      11%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
  • Thu

    Jun 2

    71°Lo 58°

    Periods of clouds and sun

    Excellent for biking
    • Precip
      18%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Fri

    Jun 3

    70°Lo 60°

    A thunderstorm in spots

    Very Good for biking
    • Precip
      60%
    • Hours of Precip
      1.5
    • Wind
      Gust
      7 mph
    more
  • Sat

    Jun 4

    79°Lo 60°

    Pleasant and warmer

    Excellent for biking
    • Precip
      66%
    • Hours of Precip
      1.5
    • Wind
      Gust
      7 mph
    more
Next Previous
Hi 78° RealFeel® 82° Precipitation 9%

Day

N

E

S

W

  • E 9 mph
  • Gusts: 13 mph

Partly sunny and pleasant with low humidity

  • Max UV Index: 8 (Very 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 57° RealFeel® 55° Precipitation 11%

Night

N

E

S

W

  • ENE 7 mph
  • Gusts: 12 mph

Partly cloudy

  • 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 - Jun 1

more Historical Weather Data >
  Today Normal Record 6/1/2015
High 78° 72° 90° (1988) 57°
Low 57° 55° 42° (2009) 50°

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 3:06 AM with 13:08 of moolight, then sets at 4:14 PM

Holtsville Weather Report

Bout of cooler air to interrupt summerlike warmth across northeastern US

June 1, 2016; 1:34 AM ET

Temperatures and humidity levels will throttle back as dry air expands southward in the northeastern United States through the middle of the week. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.