- Herndon, VA, US
| Temp ( °F °C ) | Dew Point ( °F °C ) | Humidity (%) | Winds ( mph kmh ) | Pressure ( in mb ) | Visibility ( mi km ) | Precip ( " mm ) | |||
|---|---|---|---|---|---|---|---|---|---|
| 12:52 am 00:52 |  |
Clear | 13 -10.6 | -6 -21.1 | 42 42 | W 7 11 | 29.97 1015 | 10 16 | 0.00 0.00 |
| 1:52 am 01:52 | |
Clear | 13 -10.6 | -5 -20.6 | 44 44 | WNW 25 41 | 29.97 1015 | 10 16 | 0.00 0.00 |
| 2:52 am 02:52 | |
Clear | 12 -11.1 | -6 -21.1 | 44 44 | W 12 19 | 29.97 1015 | 10 16 | 0.00 0.00 |
| 3:52 am 03:52 | |
Clear | 11 -11.7 | -6 -21.1 | 46 46 | W 14 22 | 29.98 1015 | 10 16 | 0.00 0.00 |
| 4:52 am 04:52 | |
Clear | 10 -12.2 | -5 -20.6 | 50 50 | W 16 26 | 29.98 1015 | 10 16 | 0.00 0.00 |
| 5:52 am 05:52 | |
Clear | 10 -12.2 | -6 -21.1 | 48 48 | WNW 20 31 | 29.99 1016 | 10 16 | 0.00 0.00 |
| 6:52 am 06:52 | |
Clear | 9 -12.8 | -6 -21.1 | 50 50 | W 15 24 | 30.02 1017 | 10 16 | 0.00 0.00 |
| 7:52 am 07:52 |  |
Sunny | 10 -12.2 | -6 -21.1 | 48 48 | W 16 26 | 30.04 1017 | 10 16 | 0.00 0.00 |
| 8:52 am 08:52 | |
Sunny | 12 -11.1 | -6 -21.1 | 44 44 | W 22 35 | 30.07 1018 | 10 16 | 0.00 0.00 |
| 9:52 am 09:52 | |
Mostly Sunny | 13 -10.6 | -6 -21.1 | 42 42 | WNW 23 37 | 30.07 1018 | 10 16 | 0.00 0.00 |
| 10:52 am 10:52 | |
Mostly Sunny | 14 -10 | -6 -21.1 | 40 40 | WNW 23 37 | 30.09 1019 | 10 16 | 0.00 0.00 |
| 11:52 am 11:52 |  |
Mostly Cloudy | 15 -9.4 | -6 -21.1 | 38 38 | W 23 37 | 30.09 1019 | 10 16 | 0.00 0.00 |
| 12:52 pm 12:52 | |
Mostly Cloudy | 14 -10 | -6 -21.1 | 40 40 | W 24 39 | 30.07 1018 | 10 16 | 0.00 0.00 |
| 1:52 pm 13:52 | |
Mostly Cloudy | 14 -10 | -9 -22.8 | 35 35 | W 21 33 | 30.07 1018 | 10 16 | 0.00 0.00 |
| 2:52 pm 14:52 | |
Mostly Cloudy | 14 -10 | -7 -21.7 | 38 38 | WNW 21 33 | 30.07 1018 | 10 16 | 0.00 0.00 |
| 3:52 pm 15:52 | |
Mostly Cloudy | 12 -11.1 | -6 -21.1 | 44 44 | WNW 20 31 | 30.09 1019 | 10 16 | 0.00 0.00 |
| 4:52 pm 16:52 | |
Mostly Cloudy | 12 -11.1 | -6 -21.1 | 44 44 | WNW 15 24 | 30.11 1020 | 10 16 | 0.00 0.00 |
| 5:52 pm 17:52 |  |
Mostly Cloudy | 11 -11.7 | -8 -22.2 | 42 42 | WNW 16 26 | 30.14 1021 | 10 16 | 0.00 0.00 |
| 6:52 pm 18:52 | |
Mostly Cloudy | 10 -12.2 | -7 -21.7 | 45 45 | WNW 15 24 | 30.17 1022 | 10 16 | 0.00 0.00 |
| 7:52 pm 19:52 |  |
Cloudy | 10 -12.2 | -5 -20.6 | 50 50 | WNW 12 19 | 30.18 1022 | 10 16 | 0.00 0.00 |
| 8:52 pm 20:52 | |
Cloudy | 9 -12.8 | -4 -20 | 55 55 | W 13 20 | 30.19 1022 | 10 16 | 0.00 0.00 |
| 9:10 pm 21:10 |  |
Mostly Cloudy with Light Snow | 9 -13 | 0 -18 | 66 66 | WNW 18 30 | 30.21 1023 | 3 4 | 0.00 0.00 |
| 9:31 pm 21:31 | |
Mostly Cloudy with Light Snow | 9 -13 | -2 -19 | 61 61 | WNW 16 26 | 30.21 1023 | 7 11 | 0.00 0.03 |
| 9:52 pm 21:52 |  |
Cloudy with Light Snow | 8 -13.3 | 0 -17.8 | 69 69 | WNW 13 20 | 30.21 1023 | 2 3 | 0.00 0.03 |
| 10:09 pm 22:09 | |
Mostly Cloudy with Light Snow | 9 -13 | 0 -18 | 66 66 | WNW 17 28 | 30.24 1024 | 5 8 | 0.00 0.03 |
| 10:21 pm 22:21 | |
Cloudy with Light Snow | 9 -13 | 0 -18 | 66 66 | NNW 14 22 | 30.24 1024 | 1 2 | 0.00 0.03 |
| 10:33 pm 22:33 | |
Mostly Cloudy with Light Snow | 9 -13 | 0 -18 | 66 66 | WNW 18 30 | 30.24 1024 | 5 8 | 0.00 0.03 |
| 10:52 pm 22:52 | |
Mostly Cloudy | 8 -13.3 | -9 -22.8 | 45 45 | NW 23 37 | 30.22 1023 | 10 16 | 0.00 0.03 |
| 11:52 pm 23:52 | |
Mostly Clear | 6 -14.4 | -13 -25 | 40 40 | NW 20 31 | 30.24 1024 | 10 16 | 0.00 0.00 |
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