- 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 | 7 -13.9 | -10 -23.3 | 45 45 | NW 5 7 | 30.35 1028 | 10 16 | 0.00 0.00 |
| 1:52 am 01:52 | |
Clear | 6 -14.4 | -10 -23.3 | 47 47 | Calm | 30.35 1028 | 10 16 | 0.00 0.00 |
| 2:52 am 02:52 | |
Clear | 2 -16.7 | -6 -21.1 | 69 69 | Calm | 30.39 1029 | 10 16 | 0.00 0.00 |
| 3:52 am 03:52 | |
Clear | 0 -17.8 | -6 -21.1 | 76 76 | Calm | 30.40 1030 | 10 16 | 0.00 0.00 |
| 4:52 am 04:52 | |
Clear | -1 -18.3 | -6 -21.1 | 79 79 | Calm | 30.41 1030 | 10 16 | 0.00 0.00 |
| 5:52 am 05:52 | |
Clear | 1 -17.2 | -9 -22.8 | 62 62 | Calm | 30.43 1030 | 10 16 | 0.00 0.00 |
| 6:52 am 06:52 | |
Clear | 5 -15 | -8 -22.2 | 54 54 | N 5 7 | 30.45 1031 | 10 16 | 0.00 0.00 |
| 7:52 am 07:52 |  |
Sunny | 1 -17.2 | -7 -21.7 | 68 68 | Calm | 30.49 1032 | 10 16 | 0.00 0.00 |
| 8:52 am 08:52 | |
Sunny | 9 -12.8 | -6 -21.1 | 50 50 | NW 3 6 | 30.50 1033 | 10 16 | 0.00 0.00 |
| 9:52 am 09:52 | |
Sunny | 11 -11.7 | -10 -23.3 | 38 38 | NW 7 11 | 30.50 1033 | 10 16 | 0.00 0.00 |
| 10:52 am 10:52 | |
Mostly Sunny | 15 -9.4 | -8 -22.2 | 35 35 | NW 8 13 | 30.50 1033 | 10 16 | 0.00 0.00 |
| 11:52 am 11:52 | |
Mostly Sunny | 17 -8.3 | -11 -23.9 | 27 27 | Calm | 30.48 1032 | 10 16 | 0.00 0.00 |
| 12:52 pm 12:52 | |
Mostly Sunny | 18 -7.8 | -9 -22.8 | 29 29 | W 9 15 | 30.44 1031 | 10 16 | 0.00 0.00 |
| 1:52 pm 13:52 | |
Mostly Sunny | 20 -6.7 | -7 -21.7 | 29 29 | WSW 9 15 | 30.42 1030 | 10 16 | 0.00 0.00 |
| 2:52 pm 14:52 | |
Mostly Sunny | 21 -6.1 | -7 -21.7 | 28 28 | SW 7 11 | 30.41 1030 | 10 16 | 0.00 0.00 |
| 3:52 pm 15:52 | |
Mostly Sunny | 21 -6.1 | -5 -20.6 | 31 31 | SW 9 15 | 30.41 1030 | 10 16 | 0.00 0.00 |
| 4:52 pm 16:52 | |
Mostly Sunny | 21 -6.1 | -4 -20 | 33 33 | SSW 6 9 | 30.40 1029 | 10 16 | 0.00 0.00 |
| 5:52 pm 17:52 | |
Mostly Clear | 18 -7.8 | -2 -18.9 | 41 41 | Calm | 30.39 1029 | 10 16 | 0.00 0.00 |
| 6:52 pm 18:52 | |
Clear | 14 -10 | 1 -17.2 | 56 56 | Calm | 30.40 1029 | 10 16 | 0.00 0.00 |
| 7:52 pm 19:52 | |
Clear | 15 -9.4 | 0 -17.8 | 51 51 | Calm | 30.41 1030 | 10 16 | 0.00 0.00 |
| 8:52 pm 20:52 | |
Mostly Clear | 12 -11.1 | 1 -17.2 | 61 61 | NNE 5 7 | 30.43 1031 | 10 16 | 0.00 0.00 |
| 9:52 pm 21:52 | |
Clear | 11 -11.7 | 2 -16.7 | 67 67 | Calm | 30.44 1031 | 10 16 | 0.00 0.00 |
| 10:52 pm 22:52 |  |
Partly Cloudy | 10 -12.2 | 2 -16.7 | 69 69 | Calm | 30.44 1031 | 10 16 | 0.00 0.00 |
| 11:52 pm 23:52 |  |
Mostly Cloudy | 9 -12.8 | 4 -15.6 | 80 80 | Calm | 30.43 1030 | 10 16 | 0.00 0.00 |
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