• Early AM

    Apr 21

    Lo 38°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      43°
    • Hi
      RealFeel
      46°
    • Wind
      Speed
      2 mph
    more
  • Today

    Apr 21

    66°Lo 46°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      4 mph
  • Tue

    Apr 22

    70°Lo 48°

    Showers late in the afternoon

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Apr 23

    60°Lo 38°

    Cooler with periods of sun

    Fair for home energy
    • Avg
      RealFeel
      49°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      16 mph
    more
  • Thu

    Apr 24

    64°Lo 43°

    Sunny and breezy

    Fair for home energy
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      62°
    • Wind
      Speed
      15 mph
    more
Next Previous
Hi 66° RealFeel® 72° Precipitation 6%

Day

N

E

S

W

  • S 4 mph
  • Gusts: 9 mph

Mostly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 46° RealFeel® 45° Precipitation 14%

Night

N

E

S

W

  • S 3 mph
  • Gusts: 7 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 - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 66° 63° 86° (1957) 53°
Low 46° 46° 33° (1956) 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:33 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:10 AM with 10:20 of moolight, then sets at 11:30 AM

Top Story

Mount Vernon Weather Report

NYC Warmup to be Erased by Midweek

April 20, 2014; 8:58 PM ET

A cooldown at midweek will erase the warmup expected for New York City Monday and Tuesday. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index