the United States of America

United States of America · Herndon climate

Extended 10-day forecasts, Herndon

Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.

Climate overview Temperature Rainfall

This is the 10-day extended forecast for Herndon, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.

Check out our July climate page to see if the current temperatures in Herndon is typical for this time of year.

Today · Sunday 19 Jul

Hour by hour

Time	Weather	Temp	Precip	Humidity	Wind
12:00	Clear skies	28°C (82°F)	0 mm (0 in)	54%	N 5 m/s (10 knots)
13:00	Mostly sunny	29°C (84°F)	0 mm (0 in)	52%	N 5 m/s (10 knots)
14:00	Partly cloudy	29°C (84°F)	0 mm (0 in)	49%	N 5 m/s (10 knots)
15:00	Partly cloudy	30°C (86°F)	0 mm (0 in)	47%	N 4 m/s (8 knots)
16:00	Clear skies	29°C (84°F)	0 mm (0 in)	47%	N 4 m/s (8 knots)
17:00	Mostly sunny	29°C (84°F)	0 mm (0 in)	44%	N 4 m/s (8 knots)
18:00	Clear skies	29°C (84°F)	0 mm (0 in)	42%	N 3 m/s (6 knots)
19:00	Clear skies	28°C (82°F)	0 mm (0 in)	43%	N 3 m/s (6 knots)
20:00	Clear skies	27°C (81°F)	0 mm (0 in)	46%	N 2 m/s (4 knots)
21:00	Clear skies	26°C (79°F)	0 mm (0 in)	53%	N 2 m/s (4 knots)
22:00	Mostly clear	25°C (77°F)	0 mm (0 in)	60%	E 3 m/s (6 knots)
23:00	Clear skies	24°C (75°F)	0 mm (0 in)	68%	E 2 m/s (4 knots)

12:00

Clear skies

54% · N 5 m/s (10 knots)

28°C (82°F)

0 mm (0 in)

13:00

Mostly sunny

52% · N 5 m/s (10 knots)

29°C (84°F)

0 mm (0 in)

14:00

Partly cloudy

49% · N 5 m/s (10 knots)

29°C (84°F)

0 mm (0 in)

15:00

Partly cloudy

47% · N 4 m/s (8 knots)

30°C (86°F)

0 mm (0 in)

16:00

Clear skies

47% · N 4 m/s (8 knots)

29°C (84°F)

0 mm (0 in)

17:00

Mostly sunny

44% · N 4 m/s (8 knots)

29°C (84°F)

0 mm (0 in)

18:00

Clear skies

42% · N 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

19:00

Clear skies

43% · N 3 m/s (6 knots)

28°C (82°F)

0 mm (0 in)

20:00

Clear skies

46% · N 2 m/s (4 knots)

27°C (81°F)

0 mm (0 in)

21:00

Clear skies

53% · N 2 m/s (4 knots)

26°C (79°F)

0 mm (0 in)

22:00

Mostly clear

60% · E 3 m/s (6 knots)

25°C (77°F)

0 mm (0 in)

23:00

Clear skies

68% · E 2 m/s (4 knots)

24°C (75°F)

0 mm (0 in)

Tomorrow · Monday 20 Jul

Hour by hour

Time	Weather	Temp	Precip	Humidity	Wind
00:00	Clear skies	23°C (73°F)	0 mm (0 in)	72%	E 2 m/s (4 knots)
01:00	Clear skies	22°C (72°F)	0 mm (0 in)	75%	E 1 m/s (2 knots)
02:00	Clear skies	22°C (72°F)	0 mm (0 in)	78%	E 1 m/s (2 knots)
03:00	Clear skies	21°C (70°F)	0 mm (0 in)	82%	NE 2 m/s (4 knots)
04:00	Clear skies	20°C (68°F)	0 mm (0 in)	86%	NE 2 m/s (4 knots)
05:00	Clear skies	20°C (68°F)	0 mm (0 in)	87%	NE 1 m/s (2 knots)
06:00	Mostly sunny	20°C (68°F)	0 mm (0 in)	87%	NE 1 m/s (2 knots)
07:00	Cloudy	21°C (70°F)	0 mm (0 in)	80%	NE 2 m/s (4 knots)
08:00	Cloudy	22°C (72°F)	0 mm (0 in)	64%	E 2 m/s (4 knots)
09:00	Partly cloudy	23°C (73°F)	0 mm (0 in)	62%	E 2 m/s (4 knots)
10:00	Mostly sunny	24°C (75°F)	0 mm (0 in)	58%	E 2 m/s (4 knots)
11:00	Partly cloudy	26°C (79°F)	0 mm (0 in)	49%	SE 2 m/s (4 knots)
12:00	Cloudy	27°C (81°F)	0 mm (0 in)	45%	SE 2 m/s (4 knots)
13:00	Partly cloudy	27°C (81°F)	0 mm (0 in)	45%	SE 3 m/s (6 knots)
14:00	Cloudy	29°C (84°F)	0 mm (0 in)	43%	SE 3 m/s (6 knots)
15:00	Cloudy	29°C (84°F)	0 mm (0 in)	44%	S 3 m/s (6 knots)
16:00	Cloudy	29°C (84°F)	0 mm (0 in)	45%	S 3 m/s (6 knots)
17:00	Partly cloudy	29°C (84°F)	0 mm (0 in)	45%	S 3 m/s (6 knots)
18:00	Mostly sunny	29°C (84°F)	0 mm (0 in)	47%	S 4 m/s (8 knots)
19:00	Mostly sunny	29°C (84°F)	0 mm (0 in)	47%	SE 3 m/s (6 knots)
20:00	Mostly sunny	28°C (82°F)	0 mm (0 in)	50%	SE 4 m/s (8 knots)
21:00	Partly cloudy	26°C (79°F)	0 mm (0 in)	58%	SE 4 m/s (8 knots)
22:00	Partly cloudy	25°C (77°F)	0 mm (0 in)	64%	SE 4 m/s (8 knots)
23:00	Partly cloudy	25°C (77°F)	0 mm (0 in)	66%	SE 4 m/s (8 knots)

00:00

Clear skies

72% · E 2 m/s (4 knots)

23°C (73°F)

0 mm (0 in)

01:00

Clear skies

75% · E 1 m/s (2 knots)

22°C (72°F)

0 mm (0 in)

02:00

Clear skies

78% · E 1 m/s (2 knots)

22°C (72°F)

0 mm (0 in)

03:00

Clear skies

82% · NE 2 m/s (4 knots)

21°C (70°F)

0 mm (0 in)

04:00

Clear skies

86% · NE 2 m/s (4 knots)

20°C (68°F)

0 mm (0 in)

05:00

Clear skies

87% · NE 1 m/s (2 knots)

20°C (68°F)

0 mm (0 in)

06:00

Mostly sunny

87% · NE 1 m/s (2 knots)

20°C (68°F)

0 mm (0 in)

07:00

Cloudy

80% · NE 2 m/s (4 knots)

21°C (70°F)

0 mm (0 in)

08:00

Cloudy

64% · E 2 m/s (4 knots)

22°C (72°F)

0 mm (0 in)

09:00

Partly cloudy

62% · E 2 m/s (4 knots)

23°C (73°F)

0 mm (0 in)

10:00

Mostly sunny

58% · E 2 m/s (4 knots)

24°C (75°F)

0 mm (0 in)

11:00

Partly cloudy

49% · SE 2 m/s (4 knots)

26°C (79°F)

0 mm (0 in)

12:00

Cloudy

45% · SE 2 m/s (4 knots)

27°C (81°F)

0 mm (0 in)

13:00

Partly cloudy

45% · SE 3 m/s (6 knots)

27°C (81°F)

0 mm (0 in)

14:00

Cloudy

43% · SE 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

15:00

Cloudy

44% · S 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

16:00

Cloudy

45% · S 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

17:00

Partly cloudy

45% · S 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

18:00

Mostly sunny

47% · S 4 m/s (8 knots)

29°C (84°F)

0 mm (0 in)

19:00

Mostly sunny

47% · SE 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

20:00

Mostly sunny

50% · SE 4 m/s (8 knots)

28°C (82°F)

0 mm (0 in)

21:00

Partly cloudy

58% · SE 4 m/s (8 knots)

26°C (79°F)

0 mm (0 in)

22:00

Partly cloudy

64% · SE 4 m/s (8 knots)

25°C (77°F)

0 mm (0 in)

23:00

Partly cloudy

66% · SE 4 m/s (8 knots)

25°C (77°F)

0 mm (0 in)

Next 7 days

Six-hour segments

Day

Night

02:00

Morning

08:00

Afternoon

14:00

Evening

20:00

Tuesday

21 Jul

24°C (75°F)

0.4 mm (0.02 in)

Cloudy

77% · S 4 m/s (8 knots)

25°C (77°F)

0.6 mm (0.02 in)

Light rain

84% · S 5 m/s (10 knots)

32°C (90°F)

2.4 mm (0.1 in)

Rain

53% · SW 5 m/s (10 knots)

29°C (84°F)

12 mm (0.5 in)

Heavy rain

72% · S 4 m/s (8 knots)

Wednesday

22 Jul

23°C (73°F)

5.9 mm (0.2 in)

Heavy rain

97% · SW 7 m/s (14 knots)

24°C (75°F)

4.3 mm (0.2 in)

Rain

94% · SW 3 m/s (6 knots)

28°C (82°F)

1.8 mm (0.1 in)

Rain showers

74% · W 2 m/s (4 knots)

24°C (75°F)

0 mm (0 in)

Clear skies

65% · NW 3 m/s (6 knots)

Thursday

23 Jul

19°C (66°F)

0 mm (0 in)

Clear skies

79% · NW 3 m/s (6 knots)

19°C (66°F)

0 mm (0 in)

Clear skies

78% · N 2 m/s (4 knots)

26°C (79°F)

0 mm (0 in)

Clear skies

52% · N 2 m/s (4 knots)

23°C (73°F)

0 mm (0 in)

Clear skies

70% · N 1 m/s (2 knots)

Friday

24 Jul

19°C (66°F)

0 mm (0 in)

Clear skies

84% · NE ()

20°C (68°F)

0 mm (0 in)

Mostly sunny

83% · E 1 m/s (2 knots)

27°C (81°F)

0 mm (0 in)

Cloudy

53% · SE 2 m/s (4 knots)

24°C (75°F)

0 mm (0 in)

Mostly clear

68% · SE 3 m/s (6 knots)

Saturday

25 Jul

20°C (68°F)

0.5 mm (0.02 in)

Mostly clear

84% · SE 1 m/s (2 knots)

21°C (70°F)

0.8 mm (0.03 in)

Light rain showers

85% · NE 1 m/s (2 knots)

28°C (82°F)

1.6 mm (0.1 in)

Rain showers

58% · N ()

23°C (73°F)

0.2 mm (0.01 in)

Partly cloudy

88% · E 2 m/s (4 knots)

Sunday

26 Jul

21°C (70°F)

0 mm (0 in)

Clear skies

95% · NW ()

22°C (72°F)

0.1 mm (0 in)

Clear skies

89% · N 1 m/s (2 knots)

30°C (86°F)

0.2 mm (0.01 in)

Mostly sunny

44% · NE ()

28°C (82°F)

0 mm (0 in)

Clear skies

58% · E 1 m/s (2 knots)

Monday

27 Jul

22°C (72°F)

0 mm (0 in)

Mostly clear

76% · S 3 m/s (6 knots)

23°C (73°F)

0 mm (0 in)

Mostly sunny

81% · SW 2 m/s (4 knots)

31°C (88°F)

0 mm (0 in)

Clear skies

42% · S 2 m/s (4 knots)

29°C (84°F)

0 mm (0 in)

Clear skies

51% · S 2 m/s (4 knots)

Data from MET Norway. Prefer the quick-glance version? See the 10-day summary.

Herndon weather by month

Browse monthly averages for Herndon: climate by month with temperature, rainfall and sunshine.

January February March April May June July August September October November December

Other forecasts in the United States of America

10-day forecasts for popular destinations across the United States of America.

Planning a trip to Herndon? See the United States of America bucket list →