• Tonight

    Oct 21

    Lo 54°

    Mostly cloudy, showers around

    Bicycling Weather
    • Precip
      70%
    • Hours of Precip
      3.5
    • Wind
      Gust
      14 mph
  • Wed

    Oct 22

    61°Lo 50°

    Windy with rain and drizzle

    Poor for biking
    • Precip
      74%
    • Hours of Precip
      4.5
    • Wind
      Gust
      33 mph
    more
  • Thu

    Oct 23

    60°Lo 49°

    Windy with periods of rain

    Poor for biking
    • Precip
      66%
    • Hours of Precip
      3.5
    • Wind
      Gust
      28 mph
    more
  • Fri

    Oct 24

    61°Lo 48°

    Mostly cloudy and breezy

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      24 mph
    more
  • Sat

    Oct 25

    63°Lo 49°

    Partly sunny and breezy

    Very Good for biking
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      25 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
10pm
11pm Wed
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Showers
Showers
Cloudy
Showers
Cloudy
Mostly Cloudy
Showers
Cloudy
Temp (°F) 57° 57° 57° 57° 56° 56° 56° 56°
RealFeel® 54° 54° 55° 53° 54° 53° 52° 52°
Humidity 89% 89% 90% 90% 91% 91% 90% 90%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
73%
 
61%
 
49%
 
67%
 
49%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 6 N 6 NNE 5 NNE 5 NNE 6 NNE 6 NNE 7 NNE 8 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 80% 77% 94% 92% 90% 89% 89% 90%
Dew Point 54° 54° 54° 54° 54° 54° 53° 53°
Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 67° 61° N/A 66°
Low 54° 44° N/A 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:10 AM with 10:53 of sunlight, then sets at 6:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:51 AM with 12:05 of moolight, then sets at 4:56 PM

Holtsville Weather Report

Nor'easter to Affect NYC This Week With Some Rain, Wind

October 21, 2014; 11:52 AM ET

A developing nor'easter will bring some rain and wind to the New York City area during the middle and latter part 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.