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. | ||||||||||||||||
| 14 | 07:56 | Calm | 10.00 | Fair | CLR | 71.1 | 70 | 71.1 | 64.9 | 96% | 29.92 | 1014.1 | |||||
| 14 | 06:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 29.92 | 1013.9 | |||||||
| 14 | 05:56 | Calm | 10.00 | Fair | CLR | 66 | 66 | 100% | 29.91 | 1013.6 | |||||||
| 14 | 04:56 | SE 5 | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 29.9 | 1013.5 | |||||||
| 14 | 03:56 | Calm | 10.00 | Fair | CLR | 66 | 66 | 100% | 29.91 | 1013.8 | |||||||
| 14 | 02:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 29.94 | 1014.7 | |||||||
| 14 | 01:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 81 | 66.9 | 100% | 29.95 | 1014.9 | |||||
| 14 | 00:56 | Calm | 10.00 | Fair | CLR | 69.1 | 66 | 90% | 29.96 | 1015.4 | |||||||
| 13 | 23:56 | Calm | 10.00 | Fair | CLR | 69.1 | 66.9 | 93% | 29.97 | 1015.7 | |||||||
| 13 | 22:56 | Calm | 10.00 | Fair | CLR | 71.1 | 66 | 84% | 29.97 | 1015.8 | |||||||
| 13 | 21:56 | Calm | 10.00 | Fair | CLR | 72 | 64 | 76% | 29.96 | 1015.5 | |||||||
| 13 | 20:56 | Calm | 10.00 | Fair | CLR | 75.9 | 61 | 60% | 78 | 29.95 | 1015.0 | ||||||
| 13 | 19:56 | Calm | 10.00 | Fair | CLR | 80.1 | 61 | 87.1 | 80.1 | 52% | 81 | 29.95 | 1014.9 | ||||
| 13 | 18:56 | W 8 | 10.00 | Fair | CLR | 84 | 61 | 46% | 84 | 29.95 | 1014.8 | ||||||
| 13 | 17:56 | W 6 | 10.00 | A Few Clouds | FEW070 | 86 | 61 | 43% | 86 | 29.95 | 1014.8 | ||||||
| 13 | 16:56 | NW 8 | 10.00 | A Few Clouds | FEW060 | 84 | 62.1 | 48% | 85 | 29.95 | 1015.0 | ||||||
| 13 | 15:56 | Vrbl 7 | 10.00 | Partly Cloudy | SCT065 | 84.9 | 61 | 45% | 85 | 29.96 | 1015.2 | ||||||
| 13 | 14:56 | NW 8 | 10.00 | Partly Cloudy | SCT060 | 84.9 | 60.1 | 43% | 85 | 29.96 | 1015.4 | ||||||
| 13 | 13:56 | W 8 | 10.00 | Fair | CLR | 84.9 | 60.1 | 84.9 | 73.9 | 43% | 85 | 29.99 | 1016.2 | ||||
| 13 | 12:56 | Calm | 10.00 | Partly Cloudy | SCT060 | 84 | 60.1 | 44% | 84 | 30 | 1016.6 | ||||||
| 13 | 11:56 | Vrbl 3 | 10.00 | Fair | CLR | 82 | 60.1 | 47% | 82 | 30.01 | 1016.9 | ||||||
| 13 | 10:56 | Vrbl 5 | 10.00 | Fair | CLR | 82 | 60.1 | 47% | 82 | 30.01 | 1017.1 | ||||||
| 13 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 79 | 59 | 50% | 80 | 30.01 | 1017.0 | ||||||
| 13 | 08:56 | Vrbl 5 | 10.00 | Fair | CLR | 77 | 60.1 | 56% | 79 | 30 | 1016.8 | ||||||
| 13 | 07:56 | Vrbl 5 | 10.00 | Fair | CLR | 73.9 | 64 | 73.9 | 66.9 | 71% | 29.98 | 1015.9 | |||||
| 13 | 06:56 | Calm | 10.00 | Fair | CLR | 69.1 | 68 | 96% | 29.96 | 1015.2 | |||||||
| 13 | 05:56 | Calm | 10.00 | Fair | CLR | 68 | 66.9 | 96% | 29.94 | 1014.8 | |||||||
| 13 | 04:56 | Calm | 10.00 | Fair | CLR | 70 | 66 | 87% | 29.93 | 1014.5 | |||||||
| 13 | 03:56 | NW 5 | 10.00 | Fair | CLR | 70 | 66.9 | 90% | 29.92 | 1014.1 | |||||||
| 13 | 02:56 | NW 8 | 10.00 | Fair | CLR | 71.1 | 66.9 | 87% | 29.91 | 1013.6 | |||||||
| 13 | 01:56 | NW 6 | 10.00 | Fair | CLR | 72 | 72 | 82 | 71.1 | 100% | 29.92 | 1014.1 | |||||
| 13 | 00:56 | W 5 | 10.00 | A Few Clouds | FEW120 | 73.4 | 0 | 0% | 29.91 | 1013.8 | |||||||
| 12 | 23:56 | NW 5 | 10.00 | Fair | CLR | 73.9 | 73.9 | 100% | 29.92 | 1014.2 | |||||||
| 12 | 22:56 | W 3 | 10.00 | A Few Clouds | FEW120 | 73.9 | 73.9 | 100% | 29.92 | 1013.9 | |||||||
| 12 | 21:56 | Calm | 10.00 | Fair | CLR | 75.9 | 72 | 88% | 76 | 29.9 | 1013.4 | ||||||
| 12 | 19:56 | W 7 | 10.00 | Thunderstorm in Vicinity Light Rain | BKN060 | 82 | 75 | 93 | 82 | 79% | 89 | 29.84 | 1011.3 | ||||
| 12 | 18:56 | NW 5 | 10.00 | Partly Cloudy | FEW065 SCT085 | 87.1 | 72 | 61% | 94 | 29.81 | 1010.2 | ||||||
| 12 | 17:56 | W 7 | 10.00 | Mostly Cloudy | SCT070 BKN080 | 91 | 70 | 50% | 97 | 29.8 | 1009.7 | ||||||
| 12 | 16:56 | W 14 | 10.00 | A Few Clouds | FEW065 | 93 | 69.1 | 46% | 98 | 29.8 | 1009.8 | ||||||
| 12 | 15:56 | W 12 G 20 | 10.00 | Fair | CLR | 93 | 71.1 | 49% | 100 | 29.81 | 1010.1 | ||||||
| 12 | 14:56 | W 12 G 20 | 10.00 | Mostly Cloudy | BKN070 | 91 | 68 | 47% | 95 | 29.82 | 1010.7 | ||||||
| 12 | 13:56 | W 12 G 22 | 10.00 | Fair | CLR | 91.9 | 69.1 | 93 | 78.1 | 47% | 97 | 29.83 | 1010.8 | ||||
| 12 | 12:56 | NW 10 G 17 | 10.00 | Fair | CLR | 91 | 71.1 | 52% | 98 | 29.83 | 1011.1 | ||||||
| 12 | 11:56 | W 8 | 10.00 | Fair | CLR | 89.1 | 72 | 57% | 96 | 29.84 | 1011.2 | ||||||
| 12 | 10:56 | SW 7 | 10.00 | Fair | CLR | 88 | 73 | 61% | 96 | 29.84 | 1011.1 | ||||||
| 12 | 09:56 | SW 7 | 10.00 | Fair | CLR | 84.9 | 73 | 68% | 92 | 29.84 | 1011.1 | ||||||
| 12 | 08:56 | SW 5 | 10.00 | Fair | CLR | 82 | 72 | 72% | 87 | 29.84 | 1011.3 | ||||||
| 12 | 07:56 | SW 5 | 10.00 | Fair | CLR | 79 | 73 | 79 | 68 | 82% | 82 | 29.85 | 1011.6 | ||||
| 12 | 06:56 | Calm | 10.00 | Fair | CLR | 69.8 | 0 | 0% | 29.85 | 1011.6 | |||||||
| 12 | 05:56 | Calm | 9.00 | Fair | CLR | 68 | 0 | 0% | 29.85 | 1011.5 | |||||||
| 12 | 03:56 | W 3 | 10.00 | Fair | CLR | 69.8 | 0 | 0% | 29.85 | 1011.7 | |||||||
| 12 | 02:56 | Calm | 10.00 | Fair | CLR | 69.8 | 0 | 0% | 29.86 | 1011.9 | |||||||
| 12 | 01:56 | W 3 | 10.00 | Fair | CLR | 69.8 | 0 | 89.1 | 70 | 0% | 29.86 | 1011.8 | 0.07 | ||||
| 12 | 00:56 | NW 5 | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 29.86 | 1012.0 | |||||||
| 11 | 23:56 | W 5 | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 29.86 | 1011.9 | |||||||
| 11 | 22:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 29.88 | 1012.6 | 0.07 | ||||||
| 11 | 21:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 29.87 | 0.0 | |||||||
| 11 | 20:56 | Calm | 10.00 | Light Rain | FEW050 SCT110 | 71.6 | 0 | 0% | 29.86 | 0.0 | 0.07 | ||||||
| 11 | 19:56 | W 20 G 36 | 10.00 | Partly Cloudy | SCT070 | 90 | 72 | 95 | 90 | 56% | 97 | 29.84 | 0.0 | ||||
| 11 | 18:56 | SW 9 | 10.00 | Fair | CLR | 93 | 72 | 50% | 101 | 29.81 | 0.0 | ||||||
| 11 | 17:56 | W 8 | 10.00 | Fair | CLR | 93 | 72 | 50% | 101 | 29.81 | 0.0 | ||||||
| 11 | 16:56 | W 9 | 10.00 | A Few Clouds | FEW055 | 93 | 73 | 52% | 102 | 29.83 | 0.0 | ||||||
| 11 | 15:56 | SW 7 | 10.00 | Fair | CLR | 95 | 73.9 | 51% | 106 | 29.84 | 0.0 | ||||||
| 11 | 14:56 | W 9 | 10.00 | Mostly Cloudy | SCT047 BKN060 | 91 | 75.9 | 61% | 103 | 29.86 | 0.0 | ||||||
| 11 | 13:56 | W 8 G 16 | 10.00 | Partly Cloudy | SCT045 SCT050 | 91 | 75 | 59% | 102 | 29.86 | 0.0 | ||||||
| 11 | 12:56 | W 10 | 10.00 | Partly Cloudy | SCT041 | 90 | 75 | 62% | 100 | 29.88 | 0.0 | ||||||
| 11 | 11:56 | W 7 G 18 | 10.00 | Mostly Cloudy | BKN037 | 89.1 | 75 | 63% | 99 | 29.89 | 0.0 | ||||||
| 11 | 10:56 | Vrbl 5 | 10.00 | NULL | NULL | 87.1 | 75 | 67% | 97 | 29.89 | 0.0 | ||||||
| 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) | |||||||||||||||