• Early AM

    Apr 27

    Lo 42°

    Partly to mostly cloudy

    Bicycling Weather
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Today

    Apr 27

    57°Lo 42°

    A brief shower or two

    Good for biking
    • Precip
      55%
    • Hours of Precip
      1.5
    • Wind
      Gust
      32 mph
  • Tue

    Apr 28

    61°Lo 42°

    Partly sunny and breezy

    Very Good for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      24 mph
    more
  • Wed

    Apr 29

    68°Lo 46°

    Times of clouds and sun

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

    Apr 30

    62°Lo 45°

    Cooler with a shower possible

    Very Good for biking
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      33 mph
    more
Next Previous
Next 8 hours >
  Mon
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Partly Cloudy
Partly Sunny
Temp (°F) 46° 45° 44° 43° 42° 43° 44° 46°
RealFeel® 43° 42° 42° 40° 40° 41° 40° 41°
Humidity 66% 70% 71% 73% 69% 70% 70% 67%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
1%
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 7 W 6 W 6 WNW 6 WNW 6 NW 6 NW 7 NNW 8 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 96% 92% 87% 81% 76% 71% 70% 47%
Dew Point 35° 36° 35° 35° 33° 34° 34° 35°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 27

more Historical Weather Data >
  Today Normal Record 4/27/2014
High 57° 62° 81° (1990) 59°
Low 42° 44° 32° (2002) 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:45 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:52 PM with 13:45 of moolight, then sets at 2:37 AM

Holtsville Weather Report

NYC: Monday Showers to Precede Dry, Milder Midweek

April 26, 2015; 11:42 PM ET

Showers will work back into the New York City area on Monday before a turn to a dry and seasonable midweek. 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.