• Early AM

    May 28

    Lo 69°

    Partly to mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Today

    May 28

    89°Lo 69°

    Partly sunny, warm and muggy

    Neutral weather for asthma
    • Hi
      RealFeel
      94°
    • UV
      5 - High
    • Air Qual.
      Unhealthy
      (Sensitive)
    more
  • Sun

    May 29

    87°Lo 67°

    Some sun, then clouds

    Neutral weather for asthma
    • Hi
      RealFeel
      93°
    • UV
      5 - High
    • Air Qual.
      Moderate
  • Mon

    May 30

    75°Lo 65°

    Tropical Rainstorm Bonnie

    At High Risk weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    May 31

    86°Lo 66°

    Mostly sunny and warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
Next Previous
Hi 87° RealFeel® 93° Precipitation 16%

Day

N

E

S

W

  • S 8 mph
  • Gusts: 13 mph

Some sunshine giving way to clouds, humid and remaining warm

  • Max UV Index: 7 (High)
  • Thunderstorms: 13%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 62° Precipitation 74%

Night

N

E

S

W

  • S 6 mph
  • Gusts: 12 mph

Some rain from tropical rainstorm late; otherwise, cloudy

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.69 in
  • Rain: 0.69 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Temperature History - May 29

more Historical Weather Data >
  Today Normal Record 5/29/2015
High 87° 75° 95° (1987) 82°
Low 67° 58° 49° (1956) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 14:52 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:22 AM with 11:28 of moolight, then sets at 12:50 PM

Mount Vernon Weather Report

Tropical moisture to dampen Memorial Day celebrations from DC to NYC, Boston

May 28, 2016; 12:43 AM ET

Tropical moisture may put outdoor Memorial Day plans in jeopardy from Washington D.C., to Boston on Monday. more >

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index