Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | 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. | ||||||||||||||||
| 27 | 07:56 | Calm | 16.09 | Fair | CLR | 7.2 | 7.2 | 7.8 | 6.7 | 100% | 77.06 | 1028.8 | |||||
| 27 | 06:56 | Calm | 16.09 | Fair | CLR | 7.2 | 7.2 | 100% | 76.99 | 1027.8 | |||||||
| 27 | 05:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.7 | 100% | 76.94 | 1027.1 | |||||||
| 27 | 04:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.7 | 100% | 76.89 | 1026.5 | |||||||
| 27 | 03:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.7 | 100% | 76.84 | 1025.9 | |||||||
| 27 | 02:56 | Calm | 16.09 | Fair | CLR | 7.2 | 7.2 | 100% | 76.84 | 1025.7 | |||||||
| 27 | 01:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 11.1 | 7.2 | 100% | 76.84 | 1025.8 | |||||
| 27 | 00:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 100% | 76.84 | 1025.8 | |||||||
| 26 | 23:56 | Calm | 16.09 | Fair | CLR | 8.3 | 8.3 | 100% | 76.84 | 1025.9 | |||||||
| 26 | 22:56 | Calm | 16.09 | Fair | CLR | 8.3 | 8.3 | 100% | 76.84 | 1025.8 | |||||||
| 26 | 21:56 | Calm | 16.09 | Fair | CLR | 8.9 | 8.9 | 100% | 76.86 | 1026.1 | |||||||
| 26 | 20:56 | Calm | 16.09 | Fair | CLR | 9.4 | 8.3 | 93% | 76.84 | 1025.9 | |||||||
| 26 | 19:56 | Calm | 16.09 | Fair | CLR | 11.1 | 8.3 | 20.6 | 11.1 | 83% | 76.84 | 1026.0 | |||||
| 26 | 18:56 | Calm | 16.09 | Fair | CLR | 13.3 | 7.8 | 70% | 76.81 | 1025.5 | |||||||
| 26 | 17:56 | NW 6 | 16.09 | Fair | CLR | 17.2 | 6.7 | 50% | 76.81 | 1025.5 | |||||||
| 26 | 16:56 | W 9 | 16.09 | Fair | CLR | 19.4 | 7.2 | 45% | 76.81 | 1025.3 | |||||||
| 26 | 15:56 | W 15 | 16.09 | Fair | CLR | 20 | 7.8 | 45% | 76.84 | 1025.7 | |||||||
| 26 | 14:56 | W 15 | 16.09 | Fair | CLR | 20.6 | 7.8 | 44% | 76.86 | 1026.2 | |||||||
| 26 | 13:56 | Vrbl 9 | 16.09 | Fair | CLR | 20 | 8.3 | 20.6 | 3.3 | 47% | 76.94 | 1027.1 | |||||
| 26 | 12:56 | W 15 | 16.09 | Fair | CLR | 20 | 8.9 | 49% | 77.01 | 1028.2 | |||||||
| 26 | 11:56 | W 9 | 16.09 | Fair | CLR | 18.3 | 8.3 | 52% | 77.09 | 1029.2 | |||||||
| 26 | 10:56 | NW 13 | 16.09 | Fair | CLR | 15.6 | 8.3 | 62% | 77.14 | 1030.0 | |||||||
| 26 | 09:56 | W 9 | 16.09 | Fair | CLR | 12.2 | 8.9 | 80% | 77.19 | 1030.7 | |||||||
| 26 | 08:56 | Calm | 12.87 | Fair | CLR | 7.2 | 7.2 | 100% | 77.19 | 1030.8 | |||||||
| 26 | 07:56 | Calm | 9.66 | Fog/Mist | CLR | 3.3 | 3.3 | 5 | 3.3 | 100% | 77.17 | 1030.5 | |||||
| 26 | 06:56 | Calm | 16.09 | A Few Clouds | FEW001 | 3.9 | 3.9 | 100% | 77.17 | 1030.6 | |||||||
| 26 | 05:56 | Calm | 16.09 | Fair | CLR | 4.4 | 4.4 | 100% | 77.17 | 1030.3 | |||||||
| 26 | 04:56 | Calm | 14.48 | Fair | CLR | 4.4 | 4.4 | 100% | 77.19 | 1030.5 | |||||||
| 26 | 03:56 | Calm | 14.48 | Fair | CLR | 5 | 5 | 100% | 77.22 | 1030.9 | |||||||
| 26 | 02:56 | Calm | 14.48 | Fair | CLR | 5 | 5 | 100% | 77.27 | 1031.5 | |||||||
| 26 | 01:56 | Calm | 16.09 | Fair | CLR | 5 | 5 | 10.6 | 5 | 100% | 77.27 | 1031.6 | |||||
| 26 | 00:56 | Calm | 14.48 | Fair | CLR | 5.6 | 5.6 | 100% | 77.29 | 1032.0 | |||||||
| 25 | 23:56 | Calm | 16.09 | Fair | CLR | 6.1 | 6.1 | 100% | 77.32 | 1032.3 | |||||||
| 25 | 22:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.7 | 100% | 77.34 | 1032.7 | |||||||
| 25 | 21:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 100% | 77.37 | 1033.0 | |||||||
| 25 | 20:56 | Calm | 16.09 | Fair | CLR | 8.9 | 8.3 | 96% | 77.37 | 1033.2 | |||||||
| 25 | 19:56 | Calm | 16.09 | Fair | CLR | 10 | 8.3 | 18.9 | 9.4 | 89% | 77.42 | 1033.7 | |||||
| 25 | 18:56 | Calm | 16.09 | Fair | CLR | 11.7 | 7.2 | 74% | 77.42 | 1033.8 | |||||||
| 25 | 17:56 | Calm | 16.09 | Fair | CLR | 16.1 | 7.2 | 56% | 77.42 | 1033.6 | |||||||
| 25 | 16:56 | W 7 | 16.09 | Fair | CLR | 17.8 | 7.8 | 52% | 77.44 | 1034.1 | |||||||
| 25 | 15:56 | W 7 | 16.09 | Fair | CLR | 17.8 | 7.2 | 50% | 77.47 | 1034.5 | |||||||
| 25 | 14:56 | W 9 | 16.09 | Fair | CLR | 17.8 | 7.2 | 50% | 77.5 | 1034.9 | |||||||
| 25 | 13:56 | Vrbl 9 | 16.09 | Fair | CLR | 17.2 | 6.7 | 18.3 | 2.8 | 50% | 77.57 | 1035.7 | |||||
| 25 | 12:56 | Vrbl 7 | 16.09 | Fair | CLR | 17.8 | 7.2 | 50% | 77.67 | 1036.9 | |||||||
| 25 | 11:56 | Calm | 16.09 | Fair | CLR | 15 | 6.7 | 58% | 77.7 | 1037.7 | |||||||
| 25 | 10:56 | Calm | 16.09 | Fair | CLR | 13.9 | 7.8 | 67% | 77.75 | 1038.3 | |||||||
| 25 | 09:56 | Calm | 16.09 | Fair | CLR | 12.8 | 7.8 | 72% | 77.75 | 1038.3 | |||||||
| 25 | 08:56 | Calm | 16.09 | Fair | CLR | 6.1 | 6.1 | 100% | 77.72 | 1038.1 | |||||||
| 25 | 07:56 | Calm | 16.09 | Fair | CLR | 2.8 | 2.8 | 4.4 | 2.8 | 100% | 77.67 | 1037.4 | |||||
| 25 | 06:56 | Calm | 16.09 | Fair | CLR | 3.3 | 3.3 | 100% | 77.67 | 1037.3 | |||||||
| 25 | 05:56 | Calm | 16.09 | Fair | CLR | 2.8 | 2.8 | 100% | 77.65 | 1036.7 | |||||||
| 25 | 04:56 | Calm | 16.09 | Fair | CLR | 3.3 | 3.3 | 100% | 77.62 | 1036.5 | |||||||
| 25 | 03:56 | W 6 | 16.09 | Fair | CLR | 2.8 | 2.8 | 100% | 77.6 | 1036.3 | |||||||
| 25 | 02:56 | Calm | 16.09 | A Few Clouds | FEW043 | 3.9 | 3.9 | 100% | 77.62 | 1036.5 | |||||||
| 25 | 01:56 | Calm | 16.09 | Fair | CLR | 4.4 | 4.4 | 10 | 3.9 | 100% | 77.62 | 1036.4 | |||||
| 25 | 00:56 | Calm | 16.09 | Fair | CLR | 4.4 | 4.4 | 100% | 77.62 | 1036.3 | |||||||
| 24 | 23:56 | Calm | 16.09 | Fair | CLR | 5 | 5 | 100% | 77.62 | 1036.5 | |||||||
| 24 | 22:56 | Calm | 16.09 | Fair | CLR | 6.1 | 6.1 | 100% | 77.6 | 1036.3 | |||||||
| 24 | 21:56 | Calm | 16.09 | Fair | CLR | 7.2 | 5.6 | 90% | 77.62 | 1036.4 | |||||||
| 24 | 20:56 | Calm | 16.09 | Fair | CLR | 7.8 | 5.6 | 86% | 77.62 | 1036.5 | |||||||
| 24 | 19:56 | Calm | 16.09 | Fair | CLR | 10 | 5 | 18.3 | 10 | 71% | 77.6 | 1036.4 | |||||
| 24 | 18:56 | Calm | 16.09 | Fair | CLR | 11.7 | 5 | 64% | 77.55 | 1035.7 | |||||||
| 24 | 17:56 | Calm | 16.09 | Partly Cloudy | SCT050 | 14.4 | 5.6 | 56% | 77.52 | 1035.0 | |||||||
| 24 | 16:56 | Vrbl 6 | 16.09 | Fair | CLR | 16.7 | 4.4 | 44% | 77.5 | 1034.9 | |||||||
| 24 | 15:56 | SE 7 | 16.09 | Fair | CLR | 17.8 | 4.4 | 41% | 77.52 | 1035.0 | |||||||
| 24 | 14:56 | S 7 | 16.09 | Fair | CLR | 17.8 | 4.4 | 41% | 77.52 | 1035.1 | |||||||
| 24 | 13:56 | Calm | 16.09 | Fair | CLR | 16.7 | 4.4 | 17.2 | 1.7 | 44% | 77.57 | 1035.6 | |||||
| 24 | 12:56 | Vrbl 7 | 16.09 | Fair | CLR | 16.7 | 5 | 46% | 77.62 | 1036.3 | |||||||
| 24 | 11:56 | Vrbl 7 | 16.09 | Fair | CLR | 15.6 | 5 | 50% | 77.67 | 1037.0 | |||||||
| 24 | 10:56 | Calm | 16.09 | Fair | CLR | 14.4 | 5 | 53% | 77.67 | 1037.0 | |||||||
| 24 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 11.1 | 5.6 | 69% | 77.65 | 1036.6 | |||||||
| 24 | 08:56 | Calm | 16.09 | Fair | CLR | 5 | 5 | 100% | 77.6 | 1036.4 | |||||||
| Date | Time (edt) | 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) | |||||||||||||||