Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 02 | 06:56 | Calm | 16.09 | Fair | CLR | 6.1 | 5 | 6.7 | 4.4 | 93% | 77.34 | 1032.8 | |||||
| 02 | 05:56 | Calm | 16.09 | Fair | CLR | 6.1 | 5 | 93% | 77.32 | 1032.3 | |||||||
| 02 | 04:56 | SE 6 | 16.09 | Fair | CLR | 6.1 | 4.4 | 89% | 77.32 | 1032.5 | |||||||
| 02 | 03:56 | Calm | 16.09 | Fair | CLR | 5 | 5 | 100% | 77.32 | 1032.3 | |||||||
| 02 | 02:56 | Calm | 16.09 | Fair | CLR | 5.6 | 4.4 | 92% | 77.34 | 1032.8 | |||||||
| 02 | 01:56 | Calm | 16.09 | Fair | CLR | 5 | 4.4 | 96% | 77.39 | 1033.4 | |||||||
| 02 | 00:56 | Calm | 16.09 | Fair | CLR | 5.6 | 3.9 | 11.1 | 5.6 | 89% | 77.39 | 1033.3 | |||||
| 01 | 23:56 | Calm | 16.09 | Fair | CLR | 6.1 | 4.4 | 89% | 77.39 | 1033.3 | |||||||
| 01 | 22:56 | Calm | 16.09 | Fair | CLR | 7.2 | 3.9 | 80% | 77.42 | 1033.7 | |||||||
| 01 | 21:56 | Calm | 16.09 | Fair | CLR | 7.2 | 4.4 | 83% | 77.42 | 1033.8 | |||||||
| 01 | 20:56 | Calm | 16.09 | Fair | CLR | 8.9 | 3.3 | 68% | 77.44 | 1033.9 | |||||||
| 01 | 19:56 | Calm | 16.09 | Fair | CLR | 9.4 | 3.3 | 66% | 77.44 | 1034.2 | |||||||
| 01 | 18:56 | Calm | 16.09 | Fair | CLR | 11.1 | 3.9 | 18.9 | 11.1 | 61% | 77.42 | 1034.0 | |||||
| 01 | 17:56 | SE 7 | 16.09 | Fair | CLR | 12.2 | 3.9 | 57% | 77.42 | 1033.9 | |||||||
| 01 | 16:56 | SE 9 | 16.09 | Fair | CLR | 15 | 3.3 | 46% | 77.44 | 1034.0 | |||||||
| 01 | 15:56 | SE 13 | 16.09 | Fair | CLR | 17.2 | 2.8 | 38% | 77.44 | 1034.0 | |||||||
| 01 | 14:56 | SE 15 | 16.09 | Fair | CLR | 18.3 | 3.9 | 39% | 77.44 | 1033.8 | |||||||
| 01 | 13:56 | Vrbl 6 | 16.09 | Fair | CLR | 17.2 | 3.9 | 41% | 77.44 | 1034.0 | |||||||
| 01 | 11:56 | Calm | 16.09 | Fair | CLR | 17.8 | 3.9 | 40% | 77.62 | 1036.2 | |||||||
| 01 | 10:56 | SE 11 | 16.09 | Fair | CLR | 16.1 | 3.9 | 44% | 77.67 | 1036.9 | |||||||
| 01 | 09:56 | Calm | 16.09 | Fair | CLR | 15.6 | 5 | 50% | 77.67 | 1037.0 | |||||||
| 01 | 08:56 | Vrbl 11 | 16.09 | Fair | CLR | 12.8 | 5 | 59% | 77.67 | 1037.0 | |||||||
| 01 | 07:56 | Calm | 16.09 | Fair | CLR | 10 | 3.9 | 66% | 77.65 | 1036.9 | |||||||
| 01 | 06:56 | Calm | 16.09 | Fair | CLR | 4.4 | 4.4 | 6.7 | 4.4 | 100% | 77.57 | 1036.1 | |||||
| 01 | 05:56 | Calm | 16.09 | Fair | CLR | 5 | 5 | 100% | 77.55 | 1035.3 | |||||||
| 01 | 04:56 | Calm | 16.09 | Fair | CLR | 5.6 | 5.6 | 100% | 77.52 | 1035.1 | |||||||
| 01 | 03:56 | Calm | 16.09 | Fair | CLR | 6.1 | 6.1 | 100% | 77.47 | 1034.4 | |||||||
| 01 | 02:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.1 | 96% | 77.47 | 1034.3 | |||||||
| 01 | 01:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.7 | 100% | 77.47 | 1034.6 | |||||||
| 01 | 01:56 | Calm | 16.09 | Fair | CLR | 6.7 | 5.6 | 10.6 | 6.7 | 93% | 77.47 | 1034.5 | |||||
| 01 | 00:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.7 | 100% | 77.5 | 1034.7 | |||||||
| 31 | 23:56 | Calm | 16.09 | Fair | CLR | 7.8 | 5.6 | 86% | 77.5 | 1034.7 | |||||||
| 31 | 22:56 | Calm | 16.09 | Fair | CLR | 7.8 | 6.1 | 89% | 77.5 | 1034.7 | |||||||
| 31 | 21:56 | Calm | 16.09 | Partly Cloudy | SCT120 | 8.9 | 5 | 77% | 77.47 | 1034.4 | |||||||
| 31 | 20:56 | Calm | 16.09 | Fair | CLR | 9.4 | 4.4 | 71% | 77.44 | 1034.2 | |||||||
| 31 | 19:56 | Calm | 16.09 | Fair | CLR | 10.6 | 4.4 | 16.1 | 10.6 | 66% | 77.44 | 1034.2 | |||||
| 31 | 18:56 | Calm | 16.09 | Fair | CLR | 11.7 | 4.4 | 61% | 77.42 | 1034.0 | |||||||
| 31 | 17:56 | Vrbl 6 | 16.09 | Fair | CLR | 13.9 | 3.3 | 49% | 77.39 | 1033.3 | |||||||
| 31 | 16:56 | W 9 | 16.09 | Fair | CLR | 15 | 5 | 51% | 77.37 | 1033.2 | |||||||
| 31 | 15:56 | W 7 | 16.09 | Fair | CLR | 15 | 4.4 | 49% | 77.34 | 1032.8 | |||||||
| 31 | 14:56 | W 9 | 16.09 | Fair | CLR | 15 | 3.9 | 48% | 77.37 | 1033.0 | |||||||
| 31 | 13:56 | Vrbl 6 | 16.09 | Fair | CLR | 15.6 | 3.9 | 16.1 | 3.9 | 46% | 77.39 | 1033.2 | |||||
| 31 | 12:56 | Vrbl 11 | 16.09 | Fair | CLR | 15.6 | 5 | 50% | 77.44 | 1033.9 | |||||||
| 31 | 11:56 | Calm | 16.09 | Fair | CLR | 13.9 | 4.4 | 53% | 77.47 | 1034.6 | |||||||
| 31 | 10:56 | Vrbl 6 | 16.09 | Fair | CLR | 13.3 | 4.4 | 55% | 77.5 | 1034.6 | |||||||
| 31 | 09:56 | Calm | 16.09 | Fair | CLR | 12.2 | 5 | 62% | 77.5 | 1034.5 | |||||||
| 31 | 08:56 | Calm | 16.09 | Fair | CLR | 7.2 | 5 | 86% | 77.44 | 1034.0 | |||||||
| 31 | 07:56 | Calm | 16.09 | Fair | CLR | 4.4 | 4.4 | 8.3 | 3.9 | 100% | 77.37 | 1033.3 | |||||
| 31 | 06:56 | Calm | 16.09 | Fair | CLR | 3.9 | 3.9 | 100% | 77.32 | 1032.4 | |||||||
| 31 | 05:56 | Calm | 16.09 | Fair | CLR | 4.4 | 4.4 | 100% | 77.29 | 1032.0 | |||||||
| 31 | 04:56 | Calm | 16.09 | Fair | CLR | 5 | 4.4 | 96% | 77.24 | 1031.4 | |||||||
| 31 | 03:56 | Calm | 16.09 | Fair | CLR | 6.1 | 4.4 | 89% | 77.22 | 1030.7 | |||||||
| 31 | 02:56 | Calm | 16.09 | Fair | CLR | 7.2 | 3.9 | 80% | 77.19 | 1030.4 | |||||||
| 31 | 01:56 | Calm | 16.09 | Fair | CLR | 7.8 | 4.4 | 15 | 7.2 | 79% | 77.14 | 1029.8 | |||||
| 31 | 00:56 | Calm | 16.09 | Fair | CLR | 7.8 | 4.4 | 79% | 77.11 | 1029.4 | |||||||
| 30 | 23:56 | Calm | 16.09 | Fair | CLR | 7.8 | 4.4 | 79% | 77.09 | 1029.2 | |||||||
| 30 | 22:56 | Calm | 16.09 | Fair | CLR | 10 | 3.9 | 66% | 77.06 | 1028.7 | |||||||
| 30 | 21:56 | Calm | 16.09 | Fair | CLR | 11.7 | 3.3 | 57% | 77.01 | 1027.9 | |||||||
| 30 | 20:56 | Calm | 16.09 | Fair | CLR | 13.3 | 3.3 | 51% | 76.96 | 1027.4 | |||||||
| 30 | 19:56 | Calm | 16.09 | Fair | CLR | 15 | 3.3 | 23.3 | 14.4 | 46% | 76.91 | 1026.6 | |||||
| 30 | 18:56 | Vrbl 7 | 16.09 | Fair | CLR | 16.7 | 2.8 | 40% | 76.84 | 1025.5 | |||||||
| 30 | 17:56 | NW 9 | 16.09 | Fair | CLR | 18.3 | 3.3 | 37% | 76.71 | 1024.0 | |||||||
| 30 | 16:56 | NW 20 G 30 | 16.09 | Fair | CLR | 20.6 | 4.4 | 35% | 76.66 | 1023.1 | |||||||
| 30 | 15:56 | NW 13 G 28 | 16.09 | Fair | CLR | 22.2 | 3.9 | 30% | 76.61 | 1022.4 | |||||||
| 30 | 14:56 | W 22 G 31 | 16.09 | Fair | CLR | 22.2 | 5.6 | 34% | 76.53 | 1021.7 | |||||||
| 30 | 13:56 | NW 19 G 35 | 16.09 | Fair | CLR | 22.8 | 6.1 | 22.8 | 9.4 | 34% | 76.58 | 1022.0 | |||||
| 30 | 12:56 | NW 19 G 31 | 16.09 | Fair | CLR | 22.8 | 8.9 | 41% | 76.61 | 1022.3 | |||||||
| 30 | 11:56 | NW 22 G 35 | 16.09 | Fair | CLR | 21.7 | 10 | 47% | 76.61 | 1022.5 | |||||||
| 30 | 10:56 | NW 19 G 35 | 16.09 | Fair | CLR | 21.1 | 11.1 | 53% | 76.61 | 1022.3 | |||||||
| 30 | 09:56 | W 13 | 16.09 | Fair | CLR | 18.3 | 11.1 | 63% | 76.58 | 1022.0 | |||||||
| 30 | 08:56 | Calm | 14.48 | Fair | CLR | 12.2 | 12.2 | 100% | 76.56 | 1022.0 | |||||||
| Date | Time (est) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||