• Today

    Jul 24

    95°Lo 76°

    Hot with plenty of sun

    Very Good for running
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Mon

    Jul 25

    95°Lo 76°

    A strong afternoon t-storm

    Good for running
    • Precip
      40%
    • Hours of Precip
      2
    • Wind
      Gust
      10 mph
  • Tue

    Jul 26

    94°Lo 71°

    Mostly sunny and hot

    Good for running
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Wed

    Jul 27

    93°Lo 71°

    Mostly sunny and hot

    Very Good for running
    • Precip
      11%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Thu

    Jul 28

    91°Lo 73°

    A shower or thunderstorm

    Fair for running
    • Precip
      61%
    • Hours of Precip
      1.5
    • Wind
      Gust
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Cloudy
Temp (°F) 78° 76° 78° 79° 81° 84° 86° 89°
RealFeel® 80° 79° 81° 82° 87° 93° 96° 100°
Humidity 70% 78% 74% 73% 71% 66% 59% 55%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
7%
 
7%
 
7%
 
6%
 
5%
 
5%
 
6%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 5 SW 5 SW 5 SW 5 SW 5 SW 6 SSW 6 SSW 6 SSW
UV Index 0 0 0 0 1 3 4 5
Cloud Cover 25% 25% 25% 25% 65% 54% 47% 70%
Dew Point 68° 69° 69° 69° 71° 72° 71° 71°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2015
High 95° 86° 97° (1999) 85°
Low 76° 70° 59° (1997) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:32 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:49 PM with 13:15 of moolight, then sets at 1:04 PM

Mount Vernon Weather Report

'Virtually no relief' from heat in store for eastern US into end of July

July 24, 2016; 4:57 AM ET

Much of the eastern United States will continue to swelter with above-average temperatures into the end of the month. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.