Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 02 | 02:56 | NW 13 G 21 | 10.00 | Fair | CLR | 18 | -0 | 45% | 6 | 30.1 | 1021.6 | ||||||
| 02 | 01:56 | NW 20 G 26 | 10.00 | Fair | CLR | 19 | -0 | 43% | 4 | 30.08 | 1020.8 | ||||||
| 02 | 00:56 | NW 18 G 25 | 10.00 | Fair | CLR | 19.9 | 1 | 21.9 | 19.9 | 43% | 6 | 30.06 | 1020.1 | ||||
| 01 | 23:56 | NW 15 G 25 | 10.00 | Fair | CLR | 19.9 | 1 | 43% | 7 | 30.04 | 1019.6 | ||||||
| 01 | 22:56 | NW 14 G 23 | 10.00 | Fair | CLR | 19.9 | 1.9 | 45% | 8 | 30.02 | 1019.1 | ||||||
| 01 | 21:56 | NW 15 G 25 | 10.00 | Fair | CLR | 21 | 3 | 45% | 8 | 30 | 1018.4 | ||||||
| 01 | 20:56 | NW 12 G 18 | 10.00 | Fair | CLR | 21 | 3.9 | 47% | 10 | 29.99 | 1017.8 | ||||||
| 01 | 19:56 | NW 14 G 29 | 10.00 | Fair | CLR | 21 | 6.1 | 52% | 9 | 29.97 | 1017.3 | ||||||
| 01 | 18:56 | NW 12 G 21 | 10.00 | Fair | CLR | 21.9 | 6.1 | 25 | 21 | 50% | 11 | 29.97 | 1017.3 | ||||
| 01 | 17:56 | NW 17 G 25 | 10.00 | Fair | CLR | 21.9 | 6.1 | 50% | 9 | 29.96 | 1016.8 | ||||||
| 01 | 16:56 | NW 14 G 26 | 10.00 | Fair | CLR | 24.1 | 5 | 44% | 13 | 29.95 | 1016.3 | ||||||
| 01 | 15:56 | NW 9 G 25 | 10.00 | Fair | CLR | 25 | 5 | 42% | 16 | 29.94 | 1016.0 | ||||||
| 01 | 14:56 | NW 12 G 22 | 10.00 | Fair | CLR | 24.1 | 5 | 44% | 14 | 29.93 | 1015.9 | ||||||
| 01 | 13:56 | NW 18 G 25 | 10.00 | Fair | CLR | 24.1 | 5 | 44% | 11 | 29.94 | 1016.0 | ||||||
| 01 | 12:56 | NW 18 G 24 | 10.00 | Fair | CLR | 24.1 | 5 | 24.1 | 9 | 44% | 11 | 29.95 | 1016.4 | ||||
| 01 | 11:56 | NW 21 G 25 | 10.00 | Fair and Breezy | CLR | 23 | 3.9 | 44% | 9 | 29.95 | 1016.5 | ||||||
| 01 | 10:56 | NW 10 G 24 | 10.00 | Fair | CLR | 21 | 3 | 45% | 11 | 29.98 | 1017.4 | ||||||
| 01 | 09:56 | NW 16 G 24 | 10.00 | Fair | CLR | 17.1 | 1.9 | 51% | 3 | 29.97 | 1017.1 | ||||||
| 01 | 07:56 | NW 8 | 10.00 | Fair | CLR | 10 | 1 | 67% | -1 | 29.97 | 1017.3 | ||||||
| 01 | 06:56 | NW 6 | 10.00 | Fair | CLR | 10 | 1 | 14 | 10 | 67% | 1 | 29.95 | 1016.8 | ||||
| 01 | 05:56 | NW 8 G 16 | 10.00 | Fair | CLR | 10.9 | 1.9 | 67% | 0 | 29.93 | 1016.1 | ||||||
| 01 | 04:56 | NW 9 G 16 | 10.00 | Fair | CLR | 10.9 | 1.9 | 67% | -1 | 29.92 | 1015.6 | ||||||
| 01 | 03:56 | NW 8 | 10.00 | Fair | CLR | 10.9 | 1.9 | 67% | 0 | 29.92 | 1015.5 | ||||||
| 01 | 02:56 | Vrbl 6 | 10.00 | Fair | CLR | 10.9 | 1.9 | 67% | 2 | 29.95 | 1016.7 | ||||||
| 01 | 01:56 | Vrbl 7 | 10.00 | Fair | CLR | 12 | 1.9 | 64% | 2 | 29.95 | 1016.7 | ||||||
| 01 | 00:56 | N 8 | 10.00 | Fair | CLR | 14 | 3.9 | 16 | 14 | 64% | 4 | 29.97 | 1017.1 | ||||
| 31 | 23:56 | Vrbl 7 | 10.00 | Fair | CLR | 15.1 | 3.9 | 61% | 6 | 30 | 1018.4 | ||||||
| 31 | 22:56 | Vrbl 6 | 10.00 | Fair | CLR | 15.1 | 5 | 64% | 7 | 30.03 | 1019.2 | ||||||
| 31 | 21:56 | Vrbl 5 | 10.00 | Fair | CLR | 16 | 5 | 62% | 10 | 30.03 | 1019.4 | ||||||
| 31 | 20:56 | N 5 | 10.00 | Fair | CLR | 16 | 5 | 62% | 10 | 30.06 | 1020.5 | ||||||
| 31 | 19:56 | Vrbl 5 | 10.00 | Fair | CLR | 16 | 5 | 62% | 10 | 30.05 | 1020.3 | ||||||
| 31 | 18:56 | Vrbl 6 | 10.00 | Fair | CLR | 16 | 5 | 26.1 | 16 | 62% | 8 | 30.07 | 1021.0 | ||||
| 31 | 17:56 | Vrbl 3 | 10.00 | Fair | CLR | 17.1 | 5 | 59% | 30.09 | 1021.5 | |||||||
| 31 | 16:56 | Vrbl 6 | 10.00 | Fair | CLR | 21 | 6.1 | 52% | 14 | 30.07 | 1021.0 | ||||||
| 31 | 15:56 | Vrbl 6 | 10.00 | Fair | CLR | 23 | 6.1 | 48% | 17 | 30.08 | 1021.2 | ||||||
| 31 | 14:56 | N 7 | 10.00 | Fair | CLR | 23 | 6.1 | 48% | 16 | 30.09 | 1021.6 | ||||||
| 31 | 13:56 | Vrbl 6 | 10.00 | Fair | CLR | 25 | 6.1 | 44% | 19 | 30.12 | 1022.2 | ||||||
| 31 | 12:56 | NW 5 | 10.00 | A Few Clouds | FEW035 | 26.1 | 7 | 26.1 | 3 | 44% | 21 | 30.15 | 1023.2 | ||||
| 31 | 11:56 | Vrbl 3 | 10.00 | Partly Cloudy | SCT035 | 24.1 | 5 | 44% | 30.18 | 1024.3 | |||||||
| 31 | 10:56 | Vrbl 5 | 10.00 | Fair | CLR | 24.1 | 5 | 44% | 19 | 30.21 | 1025.3 | ||||||
| 31 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 19.9 | 3.9 | 50% | 30.21 | 1025.6 | |||||||
| 31 | 08:56 | Vrbl 3 | 10.00 | Fair | CLR | 15.1 | 3 | 59% | 30.22 | 1025.9 | |||||||
| 31 | 07:56 | Calm | 10.00 | Fair | CLR | 5 | -5.1 | 63% | 30.23 | 1026.2 | |||||||
| 31 | 06:56 | Calm | 10.00 | Fair | CLR | 3.9 | -6 | 8.1 | -0 | 63% | 30.22 | 1025.9 | |||||
| 31 | 05:56 | NW 3 | 10.00 | Fair | CLR | 1.9 | -6 | 69% | 30.21 | 1025.8 | |||||||
| 31 | 04:56 | Calm | 10.00 | Fair | CLR | 1.9 | -8 | 63% | 30.23 | 1026.4 | |||||||
| 31 | 03:56 | Calm | 10.00 | Fair | CLR | 1.9 | -8 | 63% | 30.23 | 1026.4 | |||||||
| 31 | 02:56 | Calm | 10.00 | Fair | CLR | 5 | -6 | 60% | 30.25 | 1027.0 | |||||||
| 31 | 01:56 | Calm | 10.00 | Fair | CLR | 6.1 | -6 | 57% | 30.25 | 1027.1 | |||||||
| 31 | 00:56 | Calm | 10.00 | Fair | CLR | 8.1 | -5.1 | 12.9 | 7 | 55% | 30.26 | 1027.2 | |||||
| 30 | 23:56 | NW 5 | 10.00 | Fair | CLR | 10 | -2.9 | 55% | 3 | 30.26 | 1027.0 | ||||||
| 30 | 22:56 | Calm | 10.00 | Fair | CLR | 7 | -5.1 | 57% | 30.26 | 1027.2 | |||||||
| 30 | 21:56 | Calm | 10.00 | Fair | CLR | 8.1 | -6 | 52% | 30.25 | 1027.1 | |||||||
| 30 | 20:56 | Calm | 10.00 | Fair | CLR | 8.1 | -4 | 57% | 30.24 | 1026.8 | |||||||
| 30 | 19:56 | Calm | 10.00 | Fair | CLR | 10.9 | -4 | 51% | 30.23 | 1026.4 | |||||||
| 30 | 18:56 | Calm | 10.00 | Fair | CLR | 12 | -2 | 21 | 12 | 53% | 30.23 | 1026.4 | |||||
| 30 | 17:56 | NW 7 | 10.00 | Fair | CLR | 15.1 | -0.9 | 49% | 6 | 30.22 | 1026.1 | ||||||
| 30 | 16:56 | NW 9 | 10.00 | Fair | CLR | 18 | -0 | 45% | 8 | 30.22 | 1026.1 | ||||||
| 30 | 15:56 | NW 5 | 10.00 | Fair | CLR | 19 | -0 | 43% | 13 | 30.23 | 1026.2 | ||||||
| 30 | 14:56 | NW 10 G 17 | 10.00 | Fair | CLR | 19 | -0.9 | 41% | 8 | 30.23 | 1026.2 | ||||||
| 30 | 13:56 | NW 8 | 10.00 | Fair | CLR | 19.9 | -0 | 41% | 11 | 30.25 | 1026.9 | ||||||
| 30 | 12:56 | NW 14 | 10.00 | Fair | CLR | 21 | -0 | 21.9 | 1.9 | 39% | 9 | 30.26 | 1027.4 | ||||
| 30 | 11:56 | NW 10 G 23 | 10.00 | Fair | CLR | 21.9 | 1 | 40% | 12 | 30.28 | 1028.0 | ||||||
| 30 | 10:56 | NW 9 | 10.00 | Fair | CLR | 19.9 | -0 | 41% | 10 | 30.31 | 1028.8 | ||||||
| 30 | 09:56 | NW 8 | 10.00 | Fair | CLR | 16 | -0 | 49% | 6 | 30.31 | 1028.9 | ||||||
| 30 | 08:56 | NW 12 | 10.00 | Fair | CLR | 10.9 | 1.9 | 67% | -2 | 30.3 | 1028.6 | ||||||
| 30 | 07:56 | NW 5 | 10.00 | Fair | CLR | 6.1 | -2 | 69% | -2 | 30.28 | 1028.1 | ||||||
| 30 | 06:56 | NW 6 | 10.00 | Fair | CLR | 1.9 | -6 | 9 | -0 | 69% | -8 | 30.26 | 1027.6 | ||||
| 30 | 05:56 | NW 3 | 10.00 | Fair | CLR | 3 | -4 | 72% | 30.26 | 1027.3 | |||||||
| 30 | 04:56 | NW 3 | 10.00 | Fair | CLR | 1.9 | -7.1 | 65% | 30.26 | 1027.3 | |||||||
| 30 | 03:56 | NW 3 | 10.00 | Fair | CLR | 5 | -5.1 | 63% | 30.25 | 1027.1 | |||||||
| Date | Time (est) | 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) | |||||||||||||||