- Chantilly, VA, US
| Temp ( °F °C ) | Dew Point ( °F °C ) | Humidity (%) | Winds ( mph °C ) | Pressure ( in °C ) | Precip ( " °C ) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Avg | Min | Max | Avg | Min | Max | Avg | Min | Max | Avg | Min | Max | Avg | ||||
| 1 |  |
Hazy | 49 9 | 85 29 | 67 20 | -5 -21 | 22 -6 | 8.5 -13.1 | 10 10 | 10 10 | 10 10 | 0 0 | 8 13 | 0.9 1.5 | 29.63 1003 | 29.78 1008 | 29.71 1006 | 0.00 0.00 |
| 2 | |
Hazy | 55 13 | 92 33 | 75 24 | -1 -18 | 27 -3 | 14.3 -9.8 | 10 10 | 10 10 | 10 10 | 0 0 | 6 10 | 1 1.6 | 29.46 998 | 29.65 1004 | 29.55 1001 | 0.00 0.00 |
| 3 |  |
Partly Cloudy | 61 16 | 84 29 | 74 23 | 4 -16 | 21 -6 | 13.8 -10.1 | 10 10 | 10 10 | 10 10 | 0 0 | 11 18 | 2.4 3.9 | 29.45 997 | 29.67 1005 | 29.52 1000 | 0.00 0.00 |
| 4 |  |
Mostly Cloudy with Showers | 58 14 | 75 24 | 65 18 | 1 -17 | 14 -10 | 6.8 -14 | 10 10 | 10 10 | 10 10 | 0 0 | 6 10 | 1.4 2.3 | 29.55 1001 | 29.70 1006 | 29.63 1004 | 0.00 0.00 |
| 5 |  |
Mostly Sunny | 51 11 | 78 26 | 65 18 | -4 -20 | 17 -9 | 6.9 -14 | 10 10 | 10 10 | 10 10 | 0 0 | 7 11 | 1.5 2.4 | 29.49 999 | 29.62 1003 | 29.55 1001 | 0.00 0.00 |
| 6 | |
Hazy | 49 9 | 82 28 | 67 20 | -5 -21 | 20 -7 | 8.3 -13.2 | 10 10 | 10 10 | 10 10 | 0 0 | 9 14 | 2.1 3.3 | 29.29 992 | 29.53 1000 | 29.41 996 | 0.00 0.00 |
| 7 |  |
Mostly Cloudy with Haze | 53 12 | 78 26 | 67 20 | -2 -19 | 17 -9 | 8.6 -13 | 10 10 | 10 10 | 10 10 | 0 0 | 6 10 | 1.1 1.8 | 29.27 991 | 29.37 994 | 29.33 993 | 0.00 0.00 |
| 8 | |
Mostly Cloudy with Haze | 51 11 | 77 25 | 66 19 | -4 -20 | 16 -9 | 7.2 -13.8 | 10 10 | 10 10 | 10 10 | 0 0 | 6 10 | 1.6 2.6 | 29.28 992 | 29.43 996 | 29.34 994 | 0.00 0.00 |
| 9 | |
Partly Cloudy | 50 10 | 73 23 | 64 18 | -5 -20 | 13 -11 | 5.8 -14.5 | 10 10 | 10 10 | 10 10 | 0 0 | 8 13 | 1.6 2.5 | 29.40 996 | 29.50 999 | 29.44 997 | 0.00 0.00 |
| 10 | |
Mostly Sunny | 49 9 | 85 29 | 69 21 | -5 -21 | 22 -6 | 9.7 -12.4 | 10 10 | 10 10 | 10 10 | 0 0 | 8 13 | 1.7 2.8 | 29.44 997 | 29.51 999 | 29.47 998 | 0.00 0.00 |
| 11 | |
Partly Cloudy | 56 13 | 86 30 | 76 24 | 0 -18 | 23 -5 | 14.9 -9.5 | 10 10 | 10 10 | 10 10 | 0 0 | 11 18 | 2.6 4.1 | 29.37 995 | 29.51 999 | 29.45 997 | 0.00 0.00 |
| 12 | |
Mostly Cloudy with Showers | 63 17 | 77 25 | 71 22 | 5 -15 | 16 -9 | 11.6 -11.3 | 10 10 | 10 10 | 10 10 | 0 0 | 12 19 | 3.3 5.4 | 29.22 990 | 29.39 995 | 29.31 993 | 0.11 2.79 |
| 13 | |
Partly Cloudy | 52 11 | 80 27 | 67 20 | -3 -20 | 18 -8 | 8.5 -13.1 | 10 10 | 10 10 | 10 10 | 0 0 | 7 11 | 1.7 2.7 | 29.31 993 | 29.46 997 | 29.38 995 | 0.00 0.00 |
| 14 |  |
Partly Cloudy with Showers | 61 16 | 79 26 | 69 21 | 4 -16 | 17 -8 | 9.9 -12.3 | 10 10 | 10 10 | 10 10 | 0 0 | 12 19 | 2.9 4.6 | 29.18 988 | 29.31 992 | 29.24 990 | 0.02 0.51 |
| 15 | |
Mostly Sunny | 51 11 | 81 27 | 67 20 | -4 -20 | 19 -7 | 8.5 -13 | 10 10 | 10 10 | 10 10 | 0 0 | 6 10 | 1.3 2 | 29.29 992 | 29.40 996 | 29.35 994 | 0.00 0.00 |
| 16 |  |
Mostly Cloudy with Thunderstorms | 57 14 | 79 26 | 67 19 | 1 -17 | 17 -8 | 7.9 -13.4 | 10 10 | 10 10 | 10 10 | 0 0 | 8 13 | 1.7 2.7 | 29.26 991 | 29.40 996 | 29.34 993 | 0.13 3.30 |
| 17 | |
Hazy | 59 15 | 81 27 | 70 21 | 2 -17 | 19 -7 | 10.9 -11.7 | 10 10 | 10 10 | 10 10 | 0 0 | 11 18 | 3.7 5.9 | 29.38 995 | 29.51 999 | 29.43 997 | 0.00 0.00 |
| 18 | |
Sunny | 53 12 | 84 29 | 70 21 | -2 -19 | 21 -6 | 10.6 -11.9 | 10 10 | 10 10 | 10 10 | 0 0 | 8 13 | 1.2 2 | 29.50 999 | 29.58 1002 | 29.53 1000 | 0.00 0.00 |
| 19 | |
Partly Cloudy with Showers | 57 14 | 87 31 | 73 23 | 1 -17 | 24 -5 | 12.9 -10.6 | 10 10 | 10 10 | 10 10 | 0 0 | 9 14 | 1.9 3 | 29.55 1001 | 29.66 1005 | 29.60 1002 | 0.00 0.00 |
| 20 | |
Mostly Cloudy with Haze | 68 20 | 80 27 | 73 23 | 9 -13 | 18 -8 | 12.6 -10.8 | 10 10 | 10 10 | 10 10 | 0 0 | 10 16 | 1.8 2.9 | 29.65 1004 | 29.75 1007 | 29.70 1006 | 0.00 0.00 |
| 21 |  |
Cloudy with Rain | 58 14 | 69 21 | 63 17 | 1 -17 | 10 -12 | 5 -15 | 10 10 | 10 10 | 10 10 | 0 0 | 6 10 | 1.7 2.7 | 29.72 1006 | 29.79 1009 | 29.75 1007 | 0.81 20.57 |
| 22 | |
Cloudy with Rain | 58 14 | 65 18 | 62 17 | 1 -17 | 7 -14 | 4.2 -15.4 | 10 10 | 10 10 | 10 10 | 0 0 | 7 11 | 1.4 2.3 | 29.63 1003 | 29.74 1007 | 29.70 1006 | 0.30 7.62 |
| 23 | |
Cloudy with Rain | 63 17 | 77 25 | 69 20 | 5 -15 | 16 -9 | 9.6 -12.5 | 10 10 | 10 10 | 10 10 | 0 0 | 5 8 | 1.1 1.7 | 29.50 999 | 29.63 1003 | 29.56 1001 | 1.02 25.91 |
| 24 | |
Mostly Cloudy with Showers and Scattered Storms | 69 21 | 84 29 | 76 24 | 10 -12 | 21 -6 | 15 -9.5 | 10 10 | 10 10 | 10 10 | 0 0 | 7 11 | 1.2 1.9 | 29.45 997 | 29.53 1000 | 29.49 999 | 0.65 16.51 |
| 25 | |
Partly Cloudy | 64 18 | 88 31 | 77 25 | 6 -14 | 24 -4 | 16.2 -8.8 | 10 10 | 10 10 | 10 10 | 0 0 | 9 14 | 1.6 2.6 | 29.39 995 | 29.52 1000 | 29.46 998 | 0.00 0.00 |
| 26 |  |
Mostly Cloudy | 73 23 | 88 31 | 80 27 | 13 -11 | 24 -4 | 18.1 -7.7 | 10 10 | 10 10 | 10 10 | 0 0 | 8 13 | 2.5 3.9 | 29.23 990 | 29.40 996 | 29.31 993 | 0.00 0.00 |
| 27 | |
Mostly Cloudy with Strong Thunderstorms | 64 18 | 84 29 | 73 23 | 6 -14 | 21 -6 | 12.9 -10.6 | 10 10 | 10 10 | 10 10 | 0 0 | 12 19 | 1.6 2.5 | 29.27 991 | 29.44 997 | 29.33 993 | 1.15 29.21 |
| 28 | |
Hazy | 63 17 | 79 26 | 72 22 | 5 -15 | 17 -8 | 12.2 -11 | 10 10 | 10 10 | 10 10 | 0 0 | 11 18 | 2.6 4.2 | 29.43 996 | 29.65 1004 | 29.52 1000 | 0.00 0.00 |
| 29 |  |
Mostly Cloudy with Mist and Fog | 57 14 | 85 29 | 72 22 | 1 -17 | 22 -6 | 12 -11.1 | 10 10 | 10 10 | 10 10 | 0 0 | 5 8 | 0.6 1 | 29.63 1003 | 29.72 1006 | 29.67 1005 | 0.00 0.00 |
| 30 | |
Partly Cloudy with Showers and Scattered Storms | 66 19 | 88 31 | 75 24 | 8 -14 | 24 -4 | 14.1 -9.9 | 10 10 | 10 10 | 10 10 | 0 0 | 9 14 | 1.7 2.8 | 29.61 1003 | 29.68 1005 | 29.65 1004 | 0.35 8.89 |
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