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. | ||||||||||||||||
| 04 | 11:56 | Calm | 7.00 | Fair | CLR | 73.9 | 55 | 52% | 30.29 | 1026.8 | |||||||
| 04 | 10:56 | W 5 | 10.00 | Fair | CLR | 69.1 | 55 | 61% | 30.3 | 1027.3 | |||||||
| 04 | 09:56 | W 5 | 10.00 | Fair | CLR | 64 | 55.9 | 75% | 30.3 | 1027.5 | |||||||
| 04 | 08:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 30.3 | 1027.3 | |||||||
| 04 | 07:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 51.1 | 46.9 | 0% | 30.29 | 1027.1 | |||||
| 04 | 06:56 | Calm | 10.00 | Fair | CLR | 46.4 | 0 | 0% | 30.27 | 1026.4 | |||||||
| 04 | 05:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 0% | 30.26 | 1026.1 | |||||||
| 04 | 04:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 0% | 30.25 | 1025.8 | |||||||
| 04 | 03:56 | Calm | 10.00 | Fair | CLR | 50 | 0 | 0% | 30.26 | 1025.9 | |||||||
| 04 | 02:56 | Calm | 10.00 | Fair | CLR | 50 | 0 | 0% | 30.26 | 1026.1 | |||||||
| 04 | 01:56 | Calm | 10.00 | Fair | CLR | 50 | 0 | 61 | 50 | 0% | 30.28 | 1026.6 | |||||
| 04 | 00:56 | Calm | 10.00 | Fair | CLR | 51.8 | 0 | 0% | 30.28 | 1026.8 | |||||||
| 03 | 23:56 | Calm | 10.00 | Fair | CLR | 51.8 | 0 | 0% | 30.29 | 1027.2 | |||||||
| 03 | 22:56 | Calm | 10.00 | Fair | CLR | 53.6 | 0 | 0% | 30.29 | 1027.2 | |||||||
| 03 | 21:56 | SE 6 | 10.00 | Fair | CLR | 57.9 | 54 | 87% | 30.29 | 1027.1 | |||||||
| 03 | 20:56 | Calm | 10.00 | Fair | CLR | 57 | 55.9 | 96% | 30.29 | 1027.1 | |||||||
| 03 | 19:56 | SE 3 | 10.00 | Fair | CLR | 61 | 53.1 | 73.9 | 61 | 75% | 30.29 | 1027.1 | |||||
| 03 | 18:56 | SE 3 | 10.00 | Fair | CLR | 66 | 51.1 | 59% | 30.29 | 1026.9 | |||||||
| 03 | 17:56 | SW 3 | 10.00 | Fair | CLR | 72 | 50 | 46% | 30.29 | 1026.8 | |||||||
| 03 | 16:56 | W 3 | 10.00 | Fair | CLR | 73 | 50 | 44% | 30.29 | 1027.0 | |||||||
| 03 | 15:56 | Vrbl 3 | 10.00 | Fair | CLR | 73 | 51.1 | 46% | 30.3 | 1027.3 | |||||||
| 03 | 14:56 | SE 7 | 10.00 | Fair | CLR | 73 | 51.1 | 46% | 30.32 | 1028.0 | |||||||
| 03 | 13:56 | Vrbl 6 | 10.00 | Fair | CLR | 72 | 50 | 73 | 46.9 | 46% | 30.34 | 1028.8 | |||||
| 03 | 12:56 | S 7 | 10.00 | Fair | CLR | 71.1 | 51.1 | 49% | 30.38 | 1030.1 | |||||||
| 03 | 11:56 | Vrbl 6 | 10.00 | Fair | CLR | 69.1 | 48.9 | 49% | 30.41 | 1031.0 | |||||||
| 03 | 10:56 | W 6 | 10.00 | Fair | CLR | 66.9 | 48.9 | 53% | 30.42 | 1031.4 | |||||||
| 03 | 09:56 | S 5 | 10.00 | Fair | CLR | 64.9 | 50 | 59% | 30.43 | 1031.8 | |||||||
| 03 | 08:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 30.43 | 1031.9 | |||||||
| 03 | 07:56 | Calm | 10.00 | Fair | CLR | 46.4 | 0 | 51.1 | 45 | 0% | 30.42 | 1031.6 | |||||
| 03 | 06:56 | Calm | 10.00 | Fair | CLR | 46.4 | 0 | 0% | 30.41 | 1031.4 | |||||||
| 03 | 05:56 | Calm | 10.00 | Fair | CLR | 46.4 | 0 | 0% | 30.41 | 1031.2 | |||||||
| 03 | 04:56 | Calm | 10.00 | Fair | CLR | 46.4 | 0 | 0% | 30.41 | 1031.3 | |||||||
| 03 | 03:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 0% | 30.41 | 1031.1 | |||||||
| 03 | 02:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 0% | 30.42 | 1031.5 | |||||||
| 03 | 01:56 | Calm | 10.00 | Fair | CLR | 51.8 | 0 | 57.9 | 51.1 | 0% | 30.44 | 1032.2 | |||||
| 03 | 00:56 | Calm | 10.00 | Fair | CLR | 52 | 52 | 100% | 30.44 | 1032.3 | |||||||
| 02 | 23:56 | Vrbl 3 | 10.00 | Fair | CLR | 53.1 | 53.1 | 100% | 30.45 | 1032.7 | |||||||
| 02 | 22:56 | SE 6 | 10.00 | Fair | CLR | 55 | 54 | 96% | 30.46 | 1032.7 | |||||||
| 02 | 21:56 | Calm | 10.00 | Fair | CLR | 55 | 54 | 96% | 30.45 | 1032.3 | |||||||
| 02 | 20:56 | Calm | 10.00 | Fair | CLR | 55 | 52 | 90% | 30.44 | 1032.3 | |||||||
| 02 | 19:56 | Calm | 10.00 | Fair | CLR | 57.9 | 51.1 | 71.1 | 57.9 | 78% | 30.43 | 1032.0 | |||||
| 02 | 18:56 | Calm | 10.00 | Fair | CLR | 61 | 50 | 67% | 30.42 | 1031.6 | |||||||
| 02 | 17:56 | Vrbl 3 | 10.00 | Fair | CLR | 66.9 | 51.1 | 57% | 30.42 | 1031.3 | |||||||
| 02 | 16:56 | Vrbl 5 | 10.00 | Partly Cloudy | SCT050 | 66.9 | 50 | 55% | 30.41 | 1031.1 | |||||||
| 02 | 15:56 | SE 9 | 10.00 | NULL | NULL | 70 | 48.9 | 47% | 30.41 | 1030.9 | |||||||
| 02 | 14:56 | Vrbl 5 | 10.00 | A Few Clouds | FEW047 | 71.1 | 51.1 | 49% | 30.42 | 1031.5 | |||||||
| 02 | 13:56 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN048 | 68 | 50 | 70 | 51.1 | 53% | 30.44 | 1032.0 | |||||
| 02 | 12:56 | Vrbl 6 | 10.00 | NULL | NULL | 68 | 50 | 53% | 30.45 | 1032.5 | |||||||
| 02 | 11:56 | Calm | 10.00 | NULL | NULL | 69.1 | 51.1 | 53% | 30.46 | 1032.6 | |||||||
| 02 | 10:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW033 | 66.9 | 53.1 | 61% | 30.46 | 1032.7 | |||||||
| 02 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 62.1 | 53.1 | 73% | 30.46 | 1032.7 | |||||||
| 02 | 08:56 | Vrbl 3 | 10.00 | Fair | CLR | 55.9 | 50 | 81% | 30.44 | 1032.1 | |||||||
| 02 | 07:56 | Calm | 10.00 | Fair | CLR | 51.1 | 51.1 | 51.1 | 46 | 100% | 30.41 | 1031.3 | |||||
| 02 | 06:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 0% | 30.39 | 1030.6 | |||||||
| 02 | 05:56 | Calm | 10.00 | Fair | CLR | 46.4 | 0 | 0% | 30.37 | 1029.8 | |||||||
| 02 | 04:56 | Calm | 10.00 | Fair | CLR | 46.4 | 0 | 0% | 30.36 | 1029.3 | |||||||
| 02 | 03:56 | Calm | 10.00 | Fair | CLR | 48 | 48 | 100% | 30.34 | 1028.8 | |||||||
| 02 | 02:56 | Calm | 10.00 | Fair | CLR | 48 | 48 | 100% | 30.33 | 1028.5 | |||||||
| 02 | 01:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 57 | 48 | 0% | 30.32 | 1028.2 | |||||
| 02 | 00:56 | Calm | 10.00 | Fair | CLR | 48.2 | 0 | 0% | 30.31 | 1027.6 | |||||||
| 01 | 23:56 | Calm | 10.00 | Fair | CLR | 48.9 | 48.9 | 100% | 30.3 | 1027.3 | |||||||
| 01 | 22:56 | Calm | 10.00 | Fair | CLR | 51.1 | 51.1 | 100% | 30.29 | 1026.9 | |||||||
| 01 | 21:56 | Calm | 10.00 | Fair | CLR | 52 | 52 | 100% | 30.27 | 1026.4 | |||||||
| 01 | 20:56 | Calm | 10.00 | Fair | CLR | 55 | 48 | 77% | 30.26 | 1025.9 | |||||||
| 01 | 19:56 | Calm | 10.00 | Fair | CLR | 57 | 48 | 75 | 57 | 72% | 30.24 | 1025.2 | |||||
| 01 | 18:56 | Calm | 10.00 | Fair | CLR | 64 | 43 | 46% | 30.21 | 1024.4 | |||||||
| 01 | 17:56 | Calm | 10.00 | Fair | CLR | 70 | 42.1 | 37% | 30.19 | 1023.6 | |||||||
| 01 | 16:56 | Vrbl 3 | 10.00 | Fair | CLR | 73 | 42.1 | 33% | 30.18 | 1023.0 | |||||||
| 01 | 15:56 | Vrbl 7 | 10.00 | Fair | CLR | 73 | 44.1 | 35% | 30.18 | 1022.9 | |||||||
| 01 | 14:56 | Vrbl 5 | 10.00 | Fair | CLR | 73.9 | 46 | 37% | 30.18 | 1023.0 | |||||||
| 01 | 13:56 | Vrbl 3 | 10.00 | Fair | CLR | 72 | 45 | 73 | 57 | 38% | 30.19 | 1023.4 | |||||
| 01 | 12:56 | Vrbl 3 | 10.00 | Fair | CLR | 72 | 46.9 | 41% | 30.21 | 1024.0 | |||||||
| 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) | |||||||||||||||