• Tue

    Feb 16

    46°Lo 32°

    Milder with rain

    At Risk weather for migraines
    • Hi
      RealFeel
      36°
    • UV
      2 - Low
    • Cloud
      Cover
      72%
    more
  • Wed

    Feb 17

    40°Lo 24°

    Mostly cloudy and breezy

    Neutral weather for migraines
    • Hi
      RealFeel
      30°
    • UV
      2 - Low
    • Cloud
      Cover
      63%
    more
  • Thu

    Feb 18

    36°Lo 24°

    Rather cloudy

    At Risk weather for migraines
    • Hi
      RealFeel
      22°
    • UV
      2 - Low
    • Cloud
      Cover
      1%
    more
  • Fri

    Feb 19

    41°Lo 32°

    Plenty of sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      43°
    • UV
      4 - Moderate
    • Cloud
      Cover
      66%
  • Sat

    Feb 20

    47°Lo 33°

    Clouds breaking for some sun

    Neutral weather for migraines
    • Hi
      RealFeel
      40°
    • UV
      4 - Moderate
    • Cloud
      Cover
      6%
    more
Next Previous
Hi 41° RealFeel® 43° Precipitation 0%

Day

N

E

S

W

  • W 8 mph
  • Gusts: 25 mph

Plenty of sunshine

  • Max UV Index: 3 (Moderate)
  • 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 32° RealFeel® 15° Precipitation 1%

Night

N

E

S

W

  • SSW 14 mph
  • Gusts: 31 mph

Increasing cloudiness

  • 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 - Feb 19

more Historical Weather Data >
  Today Normal Record 2/19/2015
High 41° 41° 60° (1997) 24°
Low 32° 26° (2015)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 10:50 of sunlight, then sets at 5:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:47 PM with 14:23 of moolight, then sets at 5:10 AM

Holtsville Weather Report

NYC: Polar vortex to smack region during Valentine's Day weekend

February 11, 2016; 10:25 PM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the New York City area during Valentine's Day weekend. more >