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  • Sat

    Jul 30

    Sunny to partly cloudy 73°Lo 53°
    more
  • Sun

    Jul 31

    Nice with clouds and sun 70°Lo 51°
    more
  • Mon

    Aug 1

    Low clouds may break 73°Lo 53°
  • Tue

    Aug 2

    Plenty of sunshine 78°Lo 55°
    more
  • Wed

    Aug 3

    Plenty of sunshine 79°Lo 57°
    more
Hi 73° RealFeel® 78° Precipitation 13%

Day

N

E

S

W

  • SW 4 mph
  • Gusts: 9 mph

Low clouds, then perhaps some sun

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 53° RealFeel® 55° Precipitation 2%

Night

N

E

S

W

  • W 1 mph
  • Gusts: 7 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2015
High 73° 75° N/A 84°
Low 53° 54° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 15:00 of sunlight, then sets at 8:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:38 AM with 15:14 of moolight, then sets at 7:52 PM

Mount Vernon Weather Report

90-degree heat to build across northwestern US this week

July 26, 2016; 4:05 AM ET

Dangerous heat will surge northward and send temperatures rising across the northwestern United States this week. more >