Herndon Heights, VA

Mostly sunny

RealFeel®95°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindE 2 mph

Mon 8/4

88° /69°

Partly sunny

RealFeel®95°

RealFeel Shade™90°

Max UV Index7 (High)

WindSSE 6 mph

Tue 8/5

89° /70°

Mostly sunny

RealFeel®100°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindSW 5 mph

Wed 8/6

89° /70°

25%

Mostly cloudy

RealFeel®92°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindWNW 7 mph

Thu 8/7

88° /69°

Mostly sunny and less humid

RealFeel®96°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindNE 5 mph

Fri 8/8

87° /69°

64%

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

RealFeel®93°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindS 7 mph

Sat 8/9

87° /68°

60%

Cloudy and humid with a couple of showers and a thunderstorm

RealFeel®97°

RealFeel Shade™97°

Max UV Index2 (Low)

WindSSW 2 mph

Sun 8/10

82° /69°

58%

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

RealFeel®89°

RealFeel Shade™89°

Max UV Index2 (Low)

WindSSE 2 mph

Mon 8/11

82° /69°

63%

Considerable cloudiness and humid with a couple of showers and a thunderstorm

RealFeel®87°

RealFeel Shade™87°

Max UV Index2 (Low)

WindSSE 7 mph

Tue 8/12

59%

Cloudy and humid with a couple of showers and a thunderstorm

RealFeel®90°

RealFeel Shade™90°

Max UV Index2 (Low)

WindSE 5 mph

Wed 8/13

81° /69°

65%

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

RealFeel®88°

RealFeel Shade™88°

Max UV Index2 (Low)

WindSE 6 mph

Thu 8/14

82° /69°

55%

Mostly cloudy and very humid; a passing shower in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindSSE 6 mph

Fri 8/15

40%

Uncomfortably humid with variable cloudiness; a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™90°

Max UV Index6 (High)

WindSSE 6 mph

Sat 8/16

83° /69°

57%

A couple of morning showers; otherwise, mostly cloudy and very humid

RealFeel®93°

RealFeel Shade™92°

Max UV Index2 (Low)

WindSSE 4 mph

Sun 8/17

82° /68°

57%

A couple of morning showers; otherwise, cloudy and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindSSW 7 mph

Mon 8/18

60%

Cloudy and humid with a couple of showers and a thunderstorm

RealFeel®90°

RealFeel Shade™90°

Max UV Index2 (Low)

WindW 4 mph

Tue 8/19

82° /67°

25%

Considerable cloudiness

RealFeel®82°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindNNE 7 mph

Wed 8/20

80° /65°

65%

A thick cloud cover with a couple of showers and a thunderstorm in the afternoon

RealFeel®81°

RealFeel Shade™81°

Max UV Index2 (Low)

WindNE 8 mph

Thu 8/21

78° /65°

63%

Rain

RealFeel®76°

RealFeel Shade™75°

Max UV Index2 (Low)

WindNE 13 mph

Fri 8/22

79° /63°

55%

Remaining cloudy with a little rain

RealFeel®78°

RealFeel Shade™78°

Max UV Index3 (Moderate)

WindNNE 10 mph

Sat 8/23

80° /61°

Sunny

RealFeel®85°

RealFeel Shade™78°

Max UV Index8 (Very High)

WindN 6 mph

Sun 8/24

80° /61°

Mostly sunny

RealFeel®87°

RealFeel Shade™79°

Max UV Index8 (Very High)

WindWSW 4 mph

Mon 8/25

81° /66°

Sunshine and a few clouds

RealFeel®83°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindSSW 8 mph

Tue 8/26

83° /66°

Mostly sunny

RealFeel®86°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindNW 8 mph

Wed 8/27

80° /65°

Sunshine and a few clouds

RealFeel®89°

RealFeel Shade™80°

Max UV Index8 (Very High)

WindWNW 2 mph

Thu 8/28

79° /67°

65%

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

RealFeel®86°

RealFeel Shade™86°

Max UV Index4 (Moderate)

WindS 6 mph

Fri 8/29

80° /66°

Mostly sunny

RealFeel®85°

RealFeel Shade™80°

Max UV Index7 (High)

WindNNW 6 mph

Sat 8/30

81° /66°

Mostly sunny

RealFeel®86°

RealFeel Shade™80°

Max UV Index7 (High)

WindNNW 6 mph

Sun 8/31

80° /64°