August 4 - September 17

Mon 8/4

87° /62°

Times of clouds and sun

RealFeel®90°

RealFeel Shade™85°

Max UV Index7 (High)

WindNE 6 mph

Tue 8/5

81° /66°

Partly sunny

RealFeel®91°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindSW 5 mph

Wed 8/6

80° /67°

25%

Variable cloudiness; smoke from wildfires in Canada can create reduced air quality

RealFeel®83°

RealFeel Shade™79°

Max UV Index4 (Moderate)

WindE 6 mph

Thu 8/7

81° /64°

40%

Mostly cloudy with a thunderstorm in parts of the area; smoke from wildfires in Canada can create reduced air quality

RealFeel®86°

RealFeel Shade™80°

Max UV Index7 (High)

WindE 7 mph

Fri 8/8

83° /63°

30%

Partial sunshine with a thunderstorm possible

RealFeel®88°

RealFeel Shade™81°

Max UV Index9 (Very High)

WindE 7 mph

Sat 8/9

84° /67°

71%

Intervals of clouds and sunshine with a couple of showers

RealFeel®86°

RealFeel Shade™82°

Max UV Index5 (Moderate)

WindE 7 mph

Sun 8/10

85° /69°

62%

Humid with considerable cloudiness; occasional morning rain and a thunderstorm followed by a couple of thunderstorms in the afternoon

RealFeel®93°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSE 6 mph

Mon 8/11

88° /70°

57%

Considerable cloudiness with a couple of thunderstorms; humid

RealFeel®94°

RealFeel Shade™91°

Max UV Index2 (Low)

WindS 6 mph

Tue 8/12

89° /69°

40%

Humid with times of clouds and sun; a thunderstorm in spots in the afternoon

RealFeel®98°

RealFeel Shade™91°

Max UV Index9 (Very High)

WindSW 7 mph

Wed 8/13

90° /71°

64%

Partly sunny with a couple of thunderstorms in the afternoon

RealFeel®100°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindWSW 5 mph

Thu 8/14

92° /72°

55%

Mostly cloudy and hot with a little rain

RealFeel®104°

RealFeel Shade™96°

Max UV Index8 (Very High)

WindWSW 5 mph

Fri 8/15

93° /73°

11%

Hot with sunshine and a few clouds

RealFeel®104°

RealFeel Shade™96°

Max UV Index9 (Very High)

WindSW 5 mph

Sat 8/16

91° /72°

Sunny

RealFeel®102°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindW 6 mph

Sun 8/17

89° /73°

Sunny and humid

RealFeel®102°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindNW 6 mph

Mon 8/18

89° /68°

20%

Plenty of sunshine

RealFeel®94°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindN 5 mph

Tue 8/19

88° /67°

25%

Intervals of clouds and sunshine

RealFeel®89°

RealFeel Shade™89°

Max UV Index4 (Moderate)

WindSSE 4 mph

Wed 8/20

86° /68°

63%

A thick cloud cover with a couple of showers and a thunderstorm; humid

RealFeel®94°

RealFeel Shade™94°

Max UV Index2 (Low)

WindSW 5 mph

Thu 8/21

82° /68°

20%

Mostly sunny and humid

RealFeel®91°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindWNW 5 mph

Fri 8/22

82° /67°

58%

Cloudy and humid; a thundershower in the morning followed by a passing thunderstorm in the afternoon

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindNNW 6 mph

Sat 8/23

83° /67°

25%

Mostly sunny and humid

RealFeel®90°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindNNW 5 mph

Sun 8/24

82° /68°

25%

Cloudy and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index2 (Low)

WindSE 2 mph

Mon 8/25

83° /68°

25%

Cloudy and humid

RealFeel®89°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindS 5 mph

Tue 8/26

86° /67°

25%

Remaining cloudy and humid

RealFeel®93°

RealFeel Shade™93°

Max UV Index2 (Low)

WindSSW 2 mph

Wed 8/27

87° /67°

25%

Humid with times of sun and clouds

RealFeel®93°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindSSW 5 mph

Thu 8/28

88° /68°

62%

A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®93°

RealFeel Shade™93°

Max UV Index2 (Low)

WindWSW 4 mph

Fri 8/29

83° /67°

65%

Mostly cloudy and humid; a couple of showers in the afternoon

RealFeel®86°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindNNE 6 mph

Sat 8/30

81° /66°

25%

A thick cloud cover and humid

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindE 7 mph

Sun 8/31

80° /67°

70%

Considerable cloudiness and humid with showers and thunderstorms becoming more widespread

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindESE 6 mph

Mon 9/1

79° /67°

71%

Continued cloudy and humid; rain in the morning followed by a couple of showers and a thunderstorm in the afternoon

RealFeel®83°

RealFeel Shade™83°

Max UV Index1 (Low)

WindNNE 13 mph

Tue 9/2

80° /66°

25%

Humid with times of clouds and sun

RealFeel®84°

RealFeel Shade™80°

Max UV Index7 (High)

WindNNW 10 mph

Wed 9/3

84° /64°

20%

Mostly sunny

RealFeel®89°

RealFeel Shade™86°

Max UV Index7 (High)

WindNE 4 mph

Thu 9/4

80° /66°

40%

Mostly cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindS 6 mph

Fri 9/5

82° /66°

57%

A couple of showers in the morning; otherwise, cloudy and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index2 (Low)

WindS 4 mph

Sat 9/6

78° /65°

59%

Cloudy and humid with a couple of showers and a thunderstorm

RealFeel®86°

RealFeel Shade™86°

Max UV Index2 (Low)

WindE 1 mph

Sun 9/7

78° /66°

65%

Remaining cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®81°

RealFeel Shade™81°

Max UV Index2 (Low)

WindNNW 5 mph

Mon 9/8

79° /65°

25%

Mostly sunny and humid

RealFeel®87°

RealFeel Shade™79°

Max UV Index7 (High)

WindWNW 5 mph

Tue 9/9

80° /65°

25%

Turning out cloudy and humid

RealFeel®82°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindNW 4 mph

Wed 9/10

81° /64°

25%

Clouds giving way to some sun and humid

RealFeel®89°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindS 4 mph

Thu 9/11

83° /65°

10%

Mostly sunny and humid

RealFeel®88°

RealFeel Shade™83°

Max UV Index6 (High)

WindWNW 6 mph

Fri 9/12

84° /58°

10%

Humid with times of clouds and sun

RealFeel®85°

RealFeel Shade™83°

Max UV Index6 (High)

WindNNW 9 mph

Sat 9/13

84° /63°

Mostly sunny

RealFeel®86°

RealFeel Shade™83°

Max UV Index6 (High)

WindNNW 6 mph

Sun 9/14

83° /63°

Mostly sunny

RealFeel®87°

RealFeel Shade™82°

Max UV Index6 (High)

WindENE 2 mph

Mon 9/15

81° /52°

70%

Mostly cloudy and humid; thunderstorms in the morning followed by a shower in spots in the afternoon

RealFeel®81°

RealFeel Shade™80°

Max UV Index2 (Low)

WindWSW 9 mph

Tue 9/16

72° /51°

Partly sunny and less humid

RealFeel®73°

RealFeel Shade™70°

Max UV Index5 (Moderate)

WindNNW 7 mph

Wed 9/17

73° /54°

Mostly sunny

RealFeel®77°

RealFeel Shade™71°

Max UV Index6 (High)

WindE 4 mph

Washington Dulles International Airport, VA

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Weather Near Washington Dulles International Airport: