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  • Tonight

    Jul 30

    Partly cloudy Lo 53°
    more
  • Sun

    Jul 31

    Clouds giving way to some sun 73°Lo 51°
  • Mon

    Aug 1

    Periods of clouds and sun 74°Lo 54°
    more
  • Tue

    Aug 2

    Cloudy; cooler with a shower 66°Lo 53°
    more
  • Wed

    Aug 3

    Pleasant with clouds and sun 72°Lo 51°
    more
< Previous 8 hours Next 8 hours >
  Sun
5pm
6pm 7pm 8pm 9pm 10pm 11pm Mon
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 72° 71° 70° 67° 64° 61° 58° 56°
RealFeel® 75° 72° 69° 65° 64° 62° 59° 57°
Humidity 50% 51% 54% 58% 65% 77% 86% 89%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
3%
 
3%
 
2%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 5 WNW 5 WNW 5 WNW 4 WNW 4 WNW 2 NW 2 N 2 N
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 25% 24% 26% 25% 17% 11% 11% 21%
Dew Point 53° 52° 53° 52° 52° 54° 54° 52°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 73° 75° N/A 86°
Low 51° 54° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 15:03 of sunlight, then sets at 8:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:37 AM with 15:28 of moolight, then sets at 7:05 PM

Mount Vernon Weather Report

Western US: Diminishing heat to aid in firefighting efforts next week

July 30, 2016; 8:48 PM ET

As several large fires continue to rage across the western United States, weather conditions will gradually improve for firefighting efforts in the upcoming week. more >