Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 27 | 05:56 | Calm | 10.00 | Fair | CLR | 44.1 | 44.1 | 100% | 30.29 | 1027.1 | |||||||
| 27 | 04:56 | Calm | 10.00 | Fair | CLR | 44.1 | 44.1 | 100% | 30.27 | 1026.5 | |||||||
| 27 | 03:56 | Calm | 10.00 | Fair | CLR | 44.1 | 44.1 | 100% | 30.25 | 1025.9 | |||||||
| 27 | 02:56 | Calm | 10.00 | Fair | CLR | 45 | 45 | 100% | 30.25 | 1025.7 | |||||||
| 27 | 01:56 | Calm | 10.00 | Fair | CLR | 46 | 46 | 52 | 45 | 100% | 30.25 | 1025.8 | |||||
| 27 | 00:56 | Calm | 10.00 | Fair | CLR | 46 | 46 | 100% | 30.25 | 1025.8 | |||||||
| 26 | 23:56 | Calm | 10.00 | Fair | CLR | 46.9 | 46.9 | 100% | 30.25 | 1025.9 | |||||||
| 26 | 22:56 | Calm | 10.00 | Fair | CLR | 46.9 | 46.9 | 100% | 30.25 | 1025.8 | |||||||
| 26 | 21:56 | Calm | 10.00 | Fair | CLR | 48 | 48 | 100% | 30.26 | 1026.1 | |||||||
| 26 | 20:56 | Calm | 10.00 | Fair | CLR | 48.9 | 46.9 | 93% | 30.25 | 1025.9 | |||||||
| 26 | 19:56 | Calm | 10.00 | Fair | CLR | 52 | 46.9 | 69.1 | 52 | 83% | 30.25 | 1026.0 | |||||
| 26 | 18:56 | Calm | 10.00 | Fair | CLR | 55.9 | 46 | 70% | 30.24 | 1025.5 | |||||||
| 26 | 17:56 | NW 3 | 10.00 | Fair | CLR | 63 | 44.1 | 50% | 30.24 | 1025.5 | |||||||
| 26 | 16:56 | W 6 | 10.00 | Fair | CLR | 66.9 | 45 | 45% | 30.24 | 1025.3 | |||||||
| 26 | 15:56 | W 9 | 10.00 | Fair | CLR | 68 | 46 | 45% | 30.25 | 1025.7 | |||||||
| 26 | 14:56 | W 9 | 10.00 | Fair | CLR | 69.1 | 46 | 44% | 30.26 | 1026.2 | |||||||
| 26 | 13:56 | Vrbl 6 | 10.00 | Fair | CLR | 68 | 46.9 | 69.1 | 37.9 | 47% | 30.29 | 1027.1 | |||||
| 26 | 12:56 | W 9 | 10.00 | Fair | CLR | 68 | 48 | 49% | 30.32 | 1028.2 | |||||||
| 26 | 11:56 | W 6 | 10.00 | Fair | CLR | 64.9 | 46.9 | 52% | 30.35 | 1029.2 | |||||||
| 26 | 10:56 | NW 8 | 10.00 | Fair | CLR | 60.1 | 46.9 | 62% | 30.37 | 1030.0 | |||||||
| 26 | 09:56 | W 6 | 10.00 | Fair | CLR | 54 | 48 | 80% | 30.39 | 1030.7 | |||||||
| 26 | 08:56 | Calm | 8.00 | Fair | CLR | 45 | 45 | 100% | 30.39 | 1030.8 | |||||||
| 26 | 07:56 | Calm | 6.00 | Fog/Mist | CLR | 37.9 | 37.9 | 41 | 37.9 | 100% | 30.38 | 1030.5 | |||||
| 26 | 06:56 | Calm | 10.00 | A Few Clouds | FEW001 | 39 | 39 | 100% | 30.38 | 1030.6 | |||||||
| 26 | 05:56 | Calm | 10.00 | Fair | CLR | 39.9 | 39.9 | 100% | 30.38 | 1030.3 | |||||||
| 26 | 04:56 | Calm | 9.00 | Fair | CLR | 39.9 | 39.9 | 100% | 30.39 | 1030.5 | |||||||
| 26 | 03:56 | Calm | 9.00 | Fair | CLR | 41 | 41 | 100% | 30.4 | 1030.9 | |||||||
| 26 | 02:56 | Calm | 9.00 | Fair | CLR | 41 | 41 | 100% | 30.42 | 1031.5 | |||||||
| 26 | 01:56 | Calm | 10.00 | Fair | CLR | 41 | 41 | 51.1 | 41 | 100% | 30.42 | 1031.6 | |||||
| 26 | 00:56 | Calm | 9.00 | Fair | CLR | 42.1 | 42.1 | 100% | 30.43 | 1032.0 | |||||||
| 25 | 23:56 | Calm | 10.00 | Fair | CLR | 43 | 43 | 100% | 30.44 | 1032.3 | |||||||
| 25 | 22:56 | Calm | 10.00 | Fair | CLR | 44.1 | 44.1 | 100% | 30.45 | 1032.7 | |||||||
| 25 | 21:56 | Calm | 10.00 | Fair | CLR | 46 | 46 | 100% | 30.46 | 1033.0 | |||||||
| 25 | 20:56 | Calm | 10.00 | Fair | CLR | 48 | 46.9 | 96% | 30.46 | 1033.2 | |||||||
| 25 | 19:56 | Calm | 10.00 | Fair | CLR | 50 | 46.9 | 66 | 48.9 | 89% | 30.48 | 1033.7 | |||||
| 25 | 18:56 | Calm | 10.00 | Fair | CLR | 53.1 | 45 | 74% | 30.48 | 1033.8 | |||||||
| 25 | 17:56 | Calm | 10.00 | Fair | CLR | 61 | 45 | 56% | 30.48 | 1033.6 | |||||||
| 25 | 16:56 | W 5 | 10.00 | Fair | CLR | 64 | 46 | 52% | 30.49 | 1034.1 | |||||||
| 25 | 15:56 | W 5 | 10.00 | Fair | CLR | 64 | 45 | 50% | 30.5 | 1034.5 | |||||||
| 25 | 14:56 | W 6 | 10.00 | Fair | CLR | 64 | 45 | 50% | 30.51 | 1034.9 | |||||||
| 25 | 13:56 | Vrbl 6 | 10.00 | Fair | CLR | 63 | 44.1 | 64.9 | 37 | 50% | 30.54 | 1035.7 | |||||
| 25 | 12:56 | Vrbl 5 | 10.00 | Fair | CLR | 64 | 45 | 50% | 30.58 | 1036.9 | |||||||
| 25 | 11:56 | Calm | 10.00 | Fair | CLR | 59 | 44.1 | 58% | 30.59 | 1037.7 | |||||||
| 25 | 10:56 | Calm | 10.00 | Fair | CLR | 57 | 46 | 67% | 30.61 | 1038.3 | |||||||
| 25 | 09:56 | Calm | 10.00 | Fair | CLR | 55 | 46 | 72% | 30.61 | 1038.3 | |||||||
| 25 | 08:56 | Calm | 10.00 | Fair | CLR | 43 | 43 | 100% | 30.6 | 1038.1 | |||||||
| 25 | 07:56 | Calm | 10.00 | Fair | CLR | 37 | 37 | 39.9 | 37 | 100% | 30.58 | 1037.4 | |||||
| 25 | 06:56 | Calm | 10.00 | Fair | CLR | 37.9 | 37.9 | 100% | 30.58 | 1037.3 | |||||||
| 25 | 05:56 | Calm | 10.00 | Fair | CLR | 37 | 37 | 100% | 30.57 | 1036.7 | |||||||
| 25 | 04:56 | Calm | 10.00 | Fair | CLR | 37.9 | 37.9 | 100% | 30.56 | 1036.5 | |||||||
| 25 | 03:56 | W 3 | 10.00 | Fair | CLR | 37 | 37 | 100% | 30.55 | 1036.3 | |||||||
| 25 | 02:56 | Calm | 10.00 | A Few Clouds | FEW043 | 39 | 39 | 100% | 30.56 | 1036.5 | |||||||
| 25 | 01:56 | Calm | 10.00 | Fair | CLR | 39.9 | 39.9 | 50 | 39 | 100% | 30.56 | 1036.4 | |||||
| 25 | 00:56 | Calm | 10.00 | Fair | CLR | 39.9 | 39.9 | 100% | 30.56 | 1036.3 | |||||||
| 24 | 23:56 | Calm | 10.00 | Fair | CLR | 41 | 41 | 100% | 30.56 | 1036.5 | |||||||
| 24 | 22:56 | Calm | 10.00 | Fair | CLR | 43 | 43 | 100% | 30.55 | 1036.3 | |||||||
| 24 | 21:56 | Calm | 10.00 | Fair | CLR | 45 | 42.1 | 90% | 30.56 | 1036.4 | |||||||
| 24 | 20:56 | Calm | 10.00 | Fair | CLR | 46 | 42.1 | 86% | 30.56 | 1036.5 | |||||||
| 24 | 19:56 | Calm | 10.00 | Fair | CLR | 50 | 41 | 64.9 | 50 | 71% | 30.55 | 1036.4 | |||||
| 24 | 18:56 | Calm | 10.00 | Fair | CLR | 53.1 | 41 | 64% | 30.53 | 1035.7 | |||||||
| 24 | 17:56 | Calm | 10.00 | Partly Cloudy | SCT050 | 57.9 | 42.1 | 56% | 30.52 | 1035.0 | |||||||
| 24 | 16:56 | Vrbl 3 | 10.00 | Fair | CLR | 62.1 | 39.9 | 44% | 30.51 | 1034.9 | |||||||
| 24 | 15:56 | SE 5 | 10.00 | Fair | CLR | 64 | 39.9 | 41% | 30.52 | 1035.0 | |||||||
| 24 | 14:56 | S 5 | 10.00 | Fair | CLR | 64 | 39.9 | 41% | 30.52 | 1035.1 | |||||||
| 24 | 13:56 | Calm | 10.00 | Fair | CLR | 62.1 | 39.9 | 63 | 35.1 | 44% | 30.54 | 1035.6 | |||||
| 24 | 12:56 | Vrbl 5 | 10.00 | Fair | CLR | 62.1 | 41 | 46% | 30.56 | 1036.3 | |||||||
| 24 | 11:56 | Vrbl 5 | 10.00 | Fair | CLR | 60.1 | 41 | 50% | 30.58 | 1037.0 | |||||||
| 24 | 10:56 | Calm | 10.00 | Fair | CLR | 57.9 | 41 | 53% | 30.58 | 1037.0 | |||||||
| 24 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 52 | 42.1 | 69% | 30.57 | 1036.6 | |||||||
| 24 | 08:56 | Calm | 10.00 | Fair | CLR | 41 | 41 | 100% | 30.55 | 1036.4 | |||||||
| 24 | 07:56 | Calm | 8.00 | Fair | CLR | 36 | 36 | 42.1 | 35.1 | 100% | 30.53 | 1035.8 | |||||
| 24 | 06:56 | Calm | 9.00 | Fair | CLR | 35.1 | 35.1 | 100% | 30.52 | 1035.2 | |||||||
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||