• Early AM

    Jul 30

    Lo 75°

    Partly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      98°
    • UV
      5 - High
    • Cloud
      Cover
      23%
    more
  • Today

    Jul 30

    84°Lo 70°

    A heavy t-storm in the p.m.

    Beneficial weather for migraines
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Cloud
      Cover
      74%
    more
  • Fri

    Jul 31

    88°Lo 68°

    Sunny and less humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Cloud
      Cover
      8%
  • Sat

    Aug 1

    86°Lo 69°

    Sun mixing with clouds

    Beneficial weather for migraines
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Cloud
      Cover
      10%
    more
  • Sun

    Aug 2

    86°Lo 71°

    Mostly sunny and very warm

    Beneficial weather for migraines
    • Hi
      RealFeel
      90°
    • UV
      5 - High
    • Cloud
      Cover
      41%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Partly Cloudy
Partly Cloudy
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 70° 71° 73° 76° 79° 81° 83° 85°
RealFeel® 72° 73° 74° 78° 82° 85° 87° 90°
Humidity 92% 86% 80% 74% 65% 55% 49% 46%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
20%
 
20%
 
15%
 
5%
 
5%
 
5%
 
5%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 5 WNW 5 WNW 6 WNW 6 WNW 7 W 8 W 8 W 8 W
UV Index 0 0 0 1 3 4 6 7
Cloud Cover 70% 70% 70% 0% 0% 1% 5% 7%
Dew Point 68° 67° 66° 67° 66° 63° 62° 63°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 88° 82° 93° (2002) 82°
Low 68° 66° 55° (2001) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:22 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:09 PM with 11:02 of moolight, then sets at 7:11 AM

Holtsville Weather Report

NYC: Heat to Linger, Humidity to Ease This Weekend

July 30, 2015; 12:40 AM ET

Following the hottest days of the summer, the weather around New York City will not be in a hurry to cool down. more >

Fri. Migraine Headache

Fri. UV Index