Hourly weather for Herndon

Detailed forecast

Detailed 5 day forecast

Thursday

August 27
13 h 14 min
6:33 AM 06:33
7:47 PM 19:47

Morning temperature of 20 °C, afternoon 28°, evening 23° and night 20°. Morning temperature of 69 degrees, afternoon 83°, evening 74° and night 69°.

Morning and evening mostly clear, afternoon thunderstorms, night fog.

12 AM 24
Cloudy
72 +22 72 +22 76%
0 in 0 mm
S 7 11 2 3
Cloudy
Gusts 13 mph 22 km/h 4 Bft 6 m/s
Precip. chance 35%
Barometer 1016 hPa 30 762.1
1 AM 01
Cloudy
72 +22 72 +22 79%
0 in 0 mm
S 9 14 3 4
Cloudy
Gusts 18 mph 29 km/h 5 Bft 8 m/s
Precip. chance 31%
Barometer 1016 hPa 30 761.9
2 AM 02
Cloudy
70 +21 70 +21 80%
0 in 0 mm
S 7 11 2 3
Cloudy
Gusts 18 mph 29 km/h 5 Bft 8 m/s
Precip. chance 28%
Barometer 1016 hPa 30 761.8
3 AM 03
Partly cloudy
70 +21 70 +21 82%
0 in 0 mm
S 9 14 3 4
Partly cloudy
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 28%
Barometer 1015 hPa 30 761.5
4 AM 04
Clear
70 +21 70 +21 84%
0 in 0 mm
S 9 14 3 4
Clear
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 27%
Barometer 1015 hPa 30 761.2
5 AM 05
Clear
70 +21 70 +21 86%
0 in 0 mm
S 7 11 2 3
Clear
Gusts 18 mph 29 km/h 5 Bft 8 m/s
Precip. chance 27%
Barometer 1015 hPa 30 761.2
6 AM 06
Mostly clear
70 +21 70 +21 87%
0 in 0 mm
S 7 11 2 3
Mostly clear
Gusts 18 mph 29 km/h 5 Bft 8 m/s
Precip. chance 31%
Barometer 1015 hPa 30 761.2
7 AM 07
Mostly clear
70 +21 70 +21 88%
0 in 0 mm
S 9 14 3 4
Mostly clear
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 35%
Barometer 1015 hPa 30 761.3
8 AM 08
Mostly clear
72 +22 73 +23 86%
0 in 0 mm
S 7 11 2 3
Mostly clear
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 39%
Barometer 1015 hPa 30 761.4
9 AM 09
Overcast, thunderstorms with rain
72 +22 73 +23 86%
0.01 in 0.2 mm
E 9 14 3 4
Overcast, thunderstorms with rain
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 45%
Barometer 1016 hPa 30 762
10 AM 10
Partly cloudy and showers
72 +22 73 +23 86%
0.08 in 2 mm
SE 7 11 2 3
Partly cloudy and showers
Gusts 11 mph 18 km/h 3 Bft 5 m/s
Precip. chance 51%
Barometer 1016 hPa 30 762.2
11 AM 11
Partly cloudy and showers
77 +25 79 +26 81%
0.02 in 0.6 mm
SE 7 11 2 3
Partly cloudy and showers
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 56%
Barometer 1016 hPa 30 762
12 PM 12
Partly cloudy and light rain
81 +27 84 +29 69%
0.01 in 0.1 mm
S 4 7 2 2
Partly cloudy and light rain
Gusts 18 mph 29 km/h 5 Bft 8 m/s
Precip. chance 60%
Barometer 1016 hPa 30 761.7
1 PM 13
Partly cloudy and light rain
82 +28 86 +30 65%
0 in 0.1 mm
SW 7 11 2 3
Partly cloudy and light rain
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 63%
Barometer 1015 hPa 30 761.3
2 PM 14
Partly cloudy, possible thunderstorms with rain
84 +29 90 +32 65%
0.01 in 0.2 mm
S 9 14 3 4
Partly cloudy, possible thunderstorms with rain
Gusts 13 mph 22 km/h 4 Bft 6 m/s
Precip. chance 66%
Barometer 1014 hPa 30 760.8
3 PM 15
Cloudy, thunderstorms with rain
84 +29 90 +32 65%
0.02 in 0.6 mm
SE 7 11 2 3
Cloudy, thunderstorms with rain
Gusts 16 mph 25 km/h 4 Bft 7 m/s
Precip. chance 73%
Barometer 1014 hPa 29.9 760.4
4 PM 16
Partly cloudy and showers
84 +29 90 +32 65%
0.08 in 2.1 mm
SE 7 11 2 3
Partly cloudy and showers
Gusts 13 mph 22 km/h 4 Bft 6 m/s
Precip. chance 80%
Barometer 1014 hPa 29.9 760.7
5 PM 17
Cloudy and light rain
79 +26 79 +26 70%
0 in 0.1 mm
SW 9 14 3 4
Cloudy and light rain
Gusts 11 mph 18 km/h 3 Bft 5 m/s
Precip. chance 87%
Barometer 1013 hPa 29.9 760
6 PM 18
Partly cloudy
77 +25 79 +26 78%
0 in 0 mm
SE 7 11 2 3
Partly cloudy
Gusts 13 mph 22 km/h 4 Bft 6 m/s
Precip. chance 82%
Barometer 1014 hPa 29.9 760.3
7 PM 19
Mostly clear
77 +25 79 +26 78%
0 in 0 mm
S 7 11 2 3
Mostly clear
Gusts 7 mph 11 km/h 2 Bft 3 m/s
Precip. chance 77%
Barometer 1013 hPa 29.9 760
8 PM 20
Clear
77 +25 79 +26 78%
0 in 0 mm
SE 7 11 2 3
Clear
Gusts 7 mph 11 km/h 2 Bft 3 m/s
Precip. chance 71%
Barometer 1014 hPa 29.9 760.5
9 PM 21
Mostly clear
75 +24 77 +25 84%
0 in 0 mm
SE 4 7 2 2
Mostly clear
Gusts 7 mph 11 km/h 2 Bft 3 m/s
Precip. chance 56%
Barometer 1015 hPa 30 761.2
10 PM 22
Clear
73 +23 75 +24 90%
0 in 0 mm
S 2 4 1 1
Clear
Gusts 7 mph 11 km/h 2 Bft 3 m/s
Precip. chance 40%
Barometer 1015 hPa 30 761.1
11 PM 23
Clear
70 +21 72 +22 96%
0 in 0 mm
S 4 7 2 2
Clear
Gusts 9 mph 14 km/h 3 Bft 4 m/s
Precip. chance 25%
Barometer 1014 hPa 30 760.8

Updated at 24/08 9:30 pm 21:30