- Herndon, VA, US
| Temp ( °F °C ) | Dew Point ( °F °C ) | Humidity (%) | Winds ( mph kmh ) | Pressure ( in mb ) | Visibility ( mi km ) | Precip ( " mm ) | |||
|---|---|---|---|---|---|---|---|---|---|
| 12:21 am 00:21 |  |
Cloudy | 28 -2.2 | 25 -3.9 | 88 88 | N 10 17 | 30.30 1026 | 8 13 | 0.00 0.03 |
| 12:52 am 00:52 | |
Cloudy | 27 -2.8 | 25 -3.9 | 92 92 | N 9 15 | 30.26 1025 | 10 16 | 0.00 0.03 |
| 1:52 am 01:52 | |
Cloudy | 27 -2.8 | 24 -4.4 | 89 89 | N 9 15 | 30.26 1025 | 10 16 | 0.00 0.00 |
| 2:52 am 02:52 | |
Cloudy | 27 -2.8 | 24 -4.4 | 89 89 | NNW 7 11 | 30.27 1025 | 10 16 | 0.00 0.00 |
| 3:52 am 03:52 | |
Cloudy | 27 -2.8 | 24 -4.4 | 89 89 | NNW 5 7 | 30.27 1025 | 10 16 | 0.00 0.00 |
| 4:52 am 04:52 | |
Cloudy | 27 -2.8 | 24 -4.4 | 89 89 | NNW 6 9 | 30.26 1025 | 10 16 | 0.00 0.00 |
| 5:52 am 05:52 | |
Cloudy | 28 -2.2 | 21 -6.1 | 75 75 | NNW 8 13 | 30.26 1025 | 10 16 | 0.00 0.00 |
| 6:52 am 06:52 |  |
Mostly Cloudy | 26 -3.3 | 18 -7.8 | 71 71 | NNW 7 11 | 30.27 1025 | 10 16 | 0.00 0.00 |
| 7:52 am 07:52 |  |
Mostly Cloudy | 27 -2.8 | 18 -7.8 | 69 69 | NNW 6 9 | 30.27 1025 | 10 16 | 0.00 0.00 |
| 8:52 am 08:52 | |
Mostly Cloudy | 28 -2.2 | 18 -7.8 | 66 66 | N 9 15 | 30.29 1026 | 10 16 | 0.00 0.00 |
| 9:52 am 09:52 | |
Mostly Cloudy | 29 -1.7 | 18 -7.8 | 63 63 | N 10 17 | 30.30 1026 | 10 16 | 0.00 0.00 |
| 10:52 am 10:52 | |
Mostly Cloudy | 30 -1.1 | 17 -8.3 | 58 58 | N 12 19 | 30.31 1026 | 10 16 | 0.00 0.00 |
| 11:52 am 11:52 | |
Mostly Cloudy | 31 -0.6 | 17 -8.3 | 56 56 | N 6 9 | 30.28 1026 | 10 16 | 0.00 0.00 |
| 12:52 pm 12:52 | |
Mostly Cloudy | 32 0 | 16 -8.9 | 52 52 | NNW 7 11 | 30.26 1025 | 10 16 | 0.00 0.00 |
| 1:52 pm 13:52 |  |
Partly Cloudy | 32 0 | 18 -7.8 | 56 56 | WNW 6 9 | 30.24 1024 | 10 16 | 0.00 0.00 |
| 2:52 pm 14:52 | |
Partly Cloudy | 33 0.6 | 18 -7.8 | 54 54 | WNW 5 7 | 30.23 1024 | 10 16 | 0.00 0.00 |
| 3:52 pm 15:52 |  |
Mostly Sunny | 34 1.1 | 17 -8.3 | 50 50 | WNW 3 6 | 30.22 1023 | 10 16 | 0.00 0.00 |
| 4:52 pm 16:52 | |
Mostly Sunny | 32 0 | 20 -6.7 | 61 61 | Calm | 30.21 1023 | 10 16 | 0.00 0.00 |
| 5:52 pm 17:52 |  |
Mostly Clear | 25 -3.9 | 22 -5.6 | 88 88 | Calm | 30.22 1023 | 10 16 | 0.00 0.00 |
| 6:52 pm 18:52 | |
Mostly Clear | 23 -5 | 19 -7.2 | 85 85 | W 3 6 | 30.23 1024 | 10 16 | 0.00 0.00 |
| 7:52 pm 19:52 | |
Mostly Clear | 22 -5.6 | 20 -6.7 | 92 92 | Calm | 30.21 1023 | 10 16 | 0.00 0.00 |
| 8:52 pm 20:52 | |
Clear | 18 -7.8 | 17 -8.3 | 96 96 | Calm | 30.21 1023 | 10 16 | 0.00 0.00 |
| 9:52 pm 21:52 |  |
Clear with Mist and Fog | 18 -7.8 | 17 -8.3 | 96 96 | Calm | 30.21 1023 | 6 10 | 0.00 0.00 |
| 10:52 pm 22:52 | |
Clear with Fog | 16 -8.9 | 14 -10 | 92 92 | WSW 3 6 | 30.22 1023 | 10 16 | 0.00 0.00 |
| 11:52 pm 23:52 | |
Clear with Fog | 16 -8.9 | 14 -10 | 92 92 | Calm | 30.21 1023 | 10 16 | 0.00 0.00 |
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