Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 02 | 05:56 | W 19 | 16.09 | Fair | CLR | -8.3 | -15.6 | 56% | -15 | 76.56 | 1023.1 | ||||||
| 02 | 04:56 | NW 17 G 28 | 16.09 | Fair | CLR | -7.8 | -16.1 | 52% | -14 | 76.53 | 1022.7 | ||||||
| 02 | 03:56 | NW 20 | 16.09 | Fair | CLR | -7.8 | -17.2 | 47% | -15 | 76.48 | 1022.1 | ||||||
| 02 | 02:56 | NW 20 G 33 | 16.09 | Fair | CLR | -7.8 | -17.8 | 45% | -15 | 76.45 | 1021.6 | ||||||
| 02 | 01:56 | NW 31 G 43 | 16.09 | Fair | CLR | -7.2 | -17.8 | 43% | -15 | 76.4 | 1020.8 | ||||||
| 02 | 00:56 | NW 30 G 41 | 16.09 | Fair | CLR | -6.7 | -17.2 | -5.6 | -6.7 | 43% | -15 | 76.35 | 1020.1 | ||||
| 01 | 23:56 | NW 24 G 41 | 16.09 | Fair | CLR | -6.7 | -17.2 | 43% | -14 | 76.3 | 1019.6 | ||||||
| 01 | 22:56 | NW 22 G 37 | 16.09 | Fair | CLR | -6.7 | -16.7 | 45% | -14 | 76.25 | 1019.1 | ||||||
| 01 | 21:56 | NW 24 G 41 | 16.09 | Fair | CLR | -6.1 | -16.1 | 45% | -13 | 76.2 | 1018.4 | ||||||
| 01 | 20:56 | NW 19 G 30 | 16.09 | Fair | CLR | -6.1 | -15.6 | 47% | -12 | 76.17 | 1017.8 | ||||||
| 01 | 19:56 | NW 22 G 46 | 16.09 | Fair | CLR | -6.1 | -14.4 | 52% | -13 | 76.12 | 1017.3 | ||||||
| 01 | 18:56 | NW 19 G 33 | 16.09 | Fair | CLR | -5.6 | -14.4 | -3.9 | -6.1 | 50% | -12 | 76.12 | 1017.3 | ||||
| 01 | 17:56 | NW 28 G 41 | 16.09 | Fair | CLR | -5.6 | -14.4 | 50% | -13 | 76.1 | 1016.8 | ||||||
| 01 | 16:56 | NW 22 G 43 | 16.09 | Fair | CLR | -4.4 | -15 | 44% | -11 | 76.07 | 1016.3 | ||||||
| 01 | 15:56 | NW 15 G 41 | 16.09 | Fair | CLR | -3.9 | -15 | 42% | -9 | 76.05 | 1016.0 | ||||||
| 01 | 14:56 | NW 19 G 35 | 16.09 | Fair | CLR | -4.4 | -15 | 44% | -10 | 76.02 | 1015.9 | ||||||
| 01 | 13:56 | NW 30 G 41 | 16.09 | Fair | CLR | -4.4 | -15 | 44% | -12 | 76.05 | 1016.0 | ||||||
| 01 | 12:56 | NW 30 G 39 | 16.09 | Fair | CLR | -4.4 | -15 | -4.4 | -12.8 | 44% | -12 | 76.07 | 1016.4 | ||||
| 01 | 11:56 | NW 33 G 41 | 16.09 | Fair and Breezy | CLR | -5 | -15.6 | 44% | -13 | 76.07 | 1016.5 | ||||||
| 01 | 10:56 | NW 17 G 39 | 16.09 | Fair | CLR | -6.1 | -16.1 | 45% | -12 | 76.15 | 1017.4 | ||||||
| 01 | 09:56 | NW 26 G 39 | 16.09 | Fair | CLR | -8.3 | -16.7 | 51% | -16 | 76.12 | 1017.1 | ||||||
| 01 | 07:56 | NW 13 | 16.09 | Fair | CLR | -12.2 | -17.2 | 67% | -18 | 76.12 | 1017.3 | ||||||
| 01 | 06:56 | NW 9 | 16.09 | Fair | CLR | -12.2 | -17.2 | -10 | -12.2 | 67% | -17 | 76.07 | 1016.8 | ||||
| 01 | 05:56 | NW 13 G 26 | 16.09 | Fair | CLR | -11.7 | -16.7 | 67% | -18 | 76.02 | 1016.1 | ||||||
| 01 | 04:56 | NW 15 G 26 | 16.09 | Fair | CLR | -11.7 | -16.7 | 67% | -18 | 76 | 1015.6 | ||||||
| 01 | 03:56 | NW 13 | 16.09 | Fair | CLR | -11.7 | -16.7 | 67% | -18 | 76 | 1015.5 | ||||||
| 01 | 02:56 | Vrbl 9 | 16.09 | Fair | CLR | -11.7 | -16.7 | 67% | -16 | 76.07 | 1016.7 | ||||||
| 01 | 01:56 | Vrbl 11 | 16.09 | Fair | CLR | -11.1 | -16.7 | 64% | -16 | 76.07 | 1016.7 | ||||||
| 01 | 00:56 | N 13 | 16.09 | Fair | CLR | -10 | -15.6 | -8.9 | -10 | 64% | -16 | 76.12 | 1017.1 | ||||
| 31 | 23:56 | Vrbl 11 | 16.09 | Fair | CLR | -9.4 | -15.6 | 61% | -14 | 76.2 | 1018.4 | ||||||
| 31 | 22:56 | Vrbl 9 | 16.09 | Fair | CLR | -9.4 | -15 | 64% | -14 | 76.28 | 1019.2 | ||||||
| 31 | 21:56 | Vrbl 7 | 16.09 | Fair | CLR | -8.9 | -15 | 62% | -12 | 76.28 | 1019.4 | ||||||
| 31 | 20:56 | N 7 | 16.09 | Fair | CLR | -8.9 | -15 | 62% | -12 | 76.35 | 1020.5 | ||||||
| 31 | 19:56 | Vrbl 7 | 16.09 | Fair | CLR | -8.9 | -15 | 62% | -12 | 76.33 | 1020.3 | ||||||
| 31 | 18:56 | Vrbl 9 | 16.09 | Fair | CLR | -8.9 | -15 | -3.3 | -8.9 | 62% | -13 | 76.38 | 1021.0 | ||||
| 31 | 17:56 | Vrbl 6 | 16.09 | Fair | CLR | -8.3 | -15 | 59% | 76.43 | 1021.5 | |||||||
| 31 | 16:56 | Vrbl 9 | 16.09 | Fair | CLR | -6.1 | -14.4 | 52% | -10 | 76.38 | 1021.0 | ||||||
| 31 | 15:56 | Vrbl 9 | 16.09 | Fair | CLR | -5 | -14.4 | 48% | -9 | 76.4 | 1021.2 | ||||||
| 31 | 14:56 | N 11 | 16.09 | Fair | CLR | -5 | -14.4 | 48% | -9 | 76.43 | 1021.6 | ||||||
| 31 | 13:56 | Vrbl 9 | 16.09 | Fair | CLR | -3.9 | -14.4 | 44% | -7 | 76.5 | 1022.2 | ||||||
| 31 | 12:56 | NW 7 | 16.09 | A Few Clouds | FEW035 | -3.3 | -13.9 | -3.3 | -16.1 | 44% | -6 | 76.58 | 1023.2 | ||||
| 31 | 11:56 | Vrbl 6 | 16.09 | Partly Cloudy | SCT035 | -4.4 | -15 | 44% | 76.66 | 1024.3 | |||||||
| 31 | 10:56 | Vrbl 7 | 16.09 | Fair | CLR | -4.4 | -15 | 44% | -7 | 76.73 | 1025.3 | ||||||
| 31 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | -6.7 | -15.6 | 50% | 76.73 | 1025.6 | |||||||
| 31 | 08:56 | Vrbl 6 | 16.09 | Fair | CLR | -9.4 | -16.1 | 59% | 76.76 | 1025.9 | |||||||
| 31 | 07:56 | Calm | 16.09 | Fair | CLR | -15 | -20.6 | 63% | 76.78 | 1026.2 | |||||||
| 31 | 06:56 | Calm | 16.09 | Fair | CLR | -15.6 | -21.1 | -13.3 | -17.8 | 63% | 76.76 | 1025.9 | |||||
| 31 | 05:56 | NW 6 | 16.09 | Fair | CLR | -16.7 | -21.1 | 69% | 76.73 | 1025.8 | |||||||
| 31 | 04:56 | Calm | 16.09 | Fair | CLR | -16.7 | -22.2 | 63% | 76.78 | 1026.4 | |||||||
| 31 | 03:56 | Calm | 16.09 | Fair | CLR | -16.7 | -22.2 | 63% | 76.78 | 1026.4 | |||||||
| 31 | 02:56 | Calm | 16.09 | Fair | CLR | -15 | -21.1 | 60% | 76.84 | 1027.0 | |||||||
| 31 | 01:56 | Calm | 16.09 | Fair | CLR | -14.4 | -21.1 | 57% | 76.84 | 1027.1 | |||||||
| 31 | 00:56 | Calm | 16.09 | Fair | CLR | -13.3 | -20.6 | -10.6 | -13.9 | 55% | 76.86 | 1027.2 | |||||
| 30 | 23:56 | NW 7 | 16.09 | Fair | CLR | -12.2 | -19.4 | 55% | -16 | 76.86 | 1027.0 | ||||||
| 30 | 22:56 | Calm | 16.09 | Fair | CLR | -13.9 | -20.6 | 57% | 76.86 | 1027.2 | |||||||
| 30 | 21:56 | Calm | 16.09 | Fair | CLR | -13.3 | -21.1 | 52% | 76.84 | 1027.1 | |||||||
| 30 | 20:56 | Calm | 16.09 | Fair | CLR | -13.3 | -20 | 57% | 76.81 | 1026.8 | |||||||
| 30 | 19:56 | Calm | 16.09 | Fair | CLR | -11.7 | -20 | 51% | 76.78 | 1026.4 | |||||||
| 30 | 18:56 | Calm | 16.09 | Fair | CLR | -11.1 | -18.9 | -6.1 | -11.1 | 53% | 76.78 | 1026.4 | |||||
| 30 | 17:56 | NW 11 | 16.09 | Fair | CLR | -9.4 | -18.3 | 49% | -14 | 76.76 | 1026.1 | ||||||
| 30 | 16:56 | NW 15 | 16.09 | Fair | CLR | -7.8 | -17.8 | 45% | -13 | 76.76 | 1026.1 | ||||||
| 30 | 15:56 | NW 7 | 16.09 | Fair | CLR | -7.2 | -17.8 | 43% | -10 | 76.78 | 1026.2 | ||||||
| 30 | 14:56 | NW 17 G 28 | 16.09 | Fair | CLR | -7.2 | -18.3 | 41% | -13 | 76.78 | 1026.2 | ||||||
| 30 | 13:56 | NW 13 | 16.09 | Fair | CLR | -6.7 | -17.8 | 41% | -12 | 76.84 | 1026.9 | ||||||
| 30 | 12:56 | NW 22 | 16.09 | Fair | CLR | -6.1 | -17.8 | -5.6 | -16.7 | 39% | -13 | 76.86 | 1027.4 | ||||
| 30 | 11:56 | NW 17 G 37 | 16.09 | Fair | CLR | -5.6 | -17.2 | 40% | -11 | 76.91 | 1028.0 | ||||||
| 30 | 10:56 | NW 15 | 16.09 | Fair | CLR | -6.7 | -17.8 | 41% | -12 | 76.99 | 1028.8 | ||||||
| 30 | 09:56 | NW 13 | 16.09 | Fair | CLR | -8.9 | -17.8 | 49% | -14 | 76.99 | 1028.9 | ||||||
| 30 | 08:56 | NW 19 | 16.09 | Fair | CLR | -11.7 | -16.7 | 67% | -19 | 76.96 | 1028.6 | ||||||
| 30 | 07:56 | NW 7 | 16.09 | Fair | CLR | -14.4 | -18.9 | 69% | -19 | 76.91 | 1028.1 | ||||||
| 30 | 06:56 | NW 9 | 16.09 | Fair | CLR | -16.7 | -21.1 | -12.8 | -17.8 | 69% | -22 | 76.86 | 1027.6 | ||||
| Date | Time (est) | 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) | |||||||||||||||