Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | 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. | ||||||||||||||||
| 03 | 20:56 | W 6 | 16.09 | Fair | CLR | 31.7 | 23.9 | 63% | 37 | 76.17 | 1016.2 | ||||||
| 03 | 19:56 | Vrbl 9 | 16.09 | Fair | CLR | 34.4 | 23.9 | 37.2 | 34.4 | 54% | 41 | 76.15 | 1015.8 | ||||
| 03 | 18:56 | W 9 | 16.09 | Fair | CLR | 36.1 | 24.4 | 51% | 44 | 76.15 | 1015.9 | ||||||
| 03 | 17:56 | W 11 | 16.09 | A Few Clouds | FEW060 | 36.1 | 23.3 | 48% | 42 | 76.17 | 1016.2 | ||||||
| 03 | 16:56 | W 15 | 16.09 | A Few Clouds | FEW060 | 36.1 | 23.9 | 49% | 43 | 76.25 | 1017.0 | ||||||
| 03 | 15:56 | W 15 G 30 | 16.09 | Fair | CLR | 36.1 | 23.9 | 49% | 43 | 76.3 | 1017.9 | ||||||
| 03 | 14:56 | Vrbl 7 | 16.09 | Fair | CLR | 36.7 | 23.3 | 46% | 43 | 76.33 | 1017.9 | ||||||
| 03 | 13:56 | SW 7 | 16.09 | Fair | CLR | 36.1 | 23.3 | 36.7 | 28.3 | 48% | 42 | 76.35 | 1018.6 | ||||
| 03 | 12:56 | W 9 | 16.09 | Mostly Cloudy | BKN049 BKN060 | 34.4 | 24.4 | 56% | 42 | 76.43 | 1019.7 | ||||||
| 03 | 11:56 | NW 6 | 16.09 | A Few Clouds | FEW050 | 34.4 | 25.6 | 60% | 43 | 76.45 | 1019.7 | ||||||
| 03 | 10:56 | NW 7 | 16.09 | Fair | CLR | 33.3 | 25.6 | 64% | 42 | 76.43 | 1019.5 | ||||||
| 03 | 09:56 | NW 9 | 16.09 | Fair | CLR | 32.2 | 25.6 | 68% | 40 | 76.43 | 1019.4 | ||||||
| 03 | 08:56 | NW 17 | 16.09 | Fair | CLR | 30.6 | 25 | 72% | 37 | 76.45 | 1019.8 | ||||||
| 03 | 07:56 | W 9 | 16.09 | Fair | CLR | 28.3 | 25 | 28.3 | 23.3 | 82% | 33 | 76.45 | 1019.9 | ||||
| 03 | 06:56 | Calm | 16.09 | Fair | CLR | 25 | 25 | 100% | 25 | 76.43 | 1019.7 | ||||||
| 03 | 05:56 | Calm | 14.48 | Fair | CLR | 24 | 0 | 0% | 76.43 | 1019.4 | |||||||
| 03 | 04:56 | Calm | 16.09 | Fair | CLR | 24.4 | 24.4 | 100% | 24 | 76.4 | 1019.0 | ||||||
| 03 | 03:56 | Calm | 16.09 | Fair | CLR | 25 | 25 | 100% | 25 | 76.35 | 1018.7 | ||||||
| 03 | 02:56 | Calm | 16.09 | Fair | CLR | 25 | 25 | 100% | 25 | 76.38 | 1018.7 | ||||||
| 03 | 01:56 | Calm | 16.09 | Fair | CLR | 25.6 | 25.6 | 34.4 | 25.6 | 100% | 27 | 76.38 | 1018.8 | ||||
| 03 | 00:56 | Calm | 16.09 | Fair | CLR | 25.6 | 25.6 | 100% | 27 | 76.38 | 1018.9 | ||||||
| 02 | 23:56 | Calm | 16.09 | Fair | CLR | 26.7 | 25.6 | 94% | 30 | 76.38 | 1018.9 | ||||||
| 02 | 22:56 | Calm | 16.09 | Fair | CLR | 27.2 | 25 | 88% | 31 | 76.35 | 1018.4 | ||||||
| 02 | 21:56 | Calm | 16.09 | Fair | CLR | 30.6 | 23.3 | 65% | 35 | 76.3 | 1017.8 | ||||||
| 02 | 20:56 | Calm | 16.09 | Fair | CLR | 31.1 | 23.3 | 63% | 36 | 76.25 | 1017.3 | ||||||
| 02 | 19:56 | W 9 | 16.09 | Fair | CLR | 34.4 | 23.3 | 37.8 | 33.9 | 52% | 40 | 76.28 | 1017.3 | ||||
| 02 | 18:56 | W 9 | 16.09 | Fair | CLR | 36.1 | 23.3 | 48% | 42 | 76.3 | 1017.8 | ||||||
| 02 | 17:56 | W 11 | 16.09 | Fair | CLR | 36.1 | 23.3 | 48% | 42 | 76.3 | 1018.0 | ||||||
| 02 | 16:56 | W 15 | 16.09 | Fair | CLR | 37.2 | 23.9 | 46% | 45 | 76.33 | 1018.1 | ||||||
| 02 | 15:56 | W 9 | 16.09 | Fair | CLR | 36.1 | 22.8 | 46% | 42 | 76.35 | 1018.6 | ||||||
| 02 | 14:56 | W 13 | 16.09 | Fair | CLR | 36.7 | 23.9 | 48% | 44 | 76.38 | 1018.9 | ||||||
| 02 | 13:56 | SW 11 | 16.09 | A Few Clouds | FEW055 | 36.1 | 23.9 | 36.1 | 27.8 | 49% | 43 | 76.43 | 1019.4 | ||||
| 02 | 12:56 | W 15 | 16.09 | Partly Cloudy | SCT042 | 35 | 25 | 56% | 43 | 76.43 | 1019.6 | ||||||
| 02 | 11:56 | NW 13 | 16.09 | Fair | CLR | 33.9 | 25.6 | 62% | 43 | 76.48 | 1020.2 | ||||||
| 02 | 10:56 | Vrbl 9 | 16.09 | Fair | CLR | 32.8 | 26.1 | 68% | 42 | 76.48 | 1020.3 | ||||||
| 02 | 09:56 | Calm | 16.09 | Fair | CLR | 32.2 | 25 | 66% | 39 | 76.45 | 1020.0 | ||||||
| 02 | 08:56 | NW 7 | 16.09 | Fair | CLR | 30 | 25.6 | 77% | 37 | 76.48 | 1020.2 | ||||||
| 02 | 07:56 | Calm | 16.09 | Mostly Cloudy | BKN060 | 27.2 | 27.2 | 27.2 | 23.3 | 100% | 33 | 76.45 | 1019.8 | ||||
| 02 | 06:56 | Calm | 16.09 | Fair | CLR | 24 | 0 | 0% | 76.4 | 1019.5 | |||||||
| 02 | 05:56 | Calm | 11.27 | Fair | CLR | 24 | 0 | 0% | 76.38 | 1019.2 | |||||||
| 02 | 04:56 | Calm | 16.09 | Fair | CLR | 24 | 0 | 0% | 76.33 | 1018.4 | |||||||
| 02 | 03:56 | Calm | 11.27 | Fair | CLR | 24 | 0 | 0% | 76.3 | 1018.1 | |||||||
| 02 | 01:56 | Calm | 16.09 | Fair | CLR | 26.1 | 26.1 | 32.2 | 26.1 | 100% | 29 | 76.3 | 1017.9 | ||||
| 02 | 00:56 | Calm | 16.09 | Fair | CLR | 27.2 | 26.7 | 97% | 32 | 76.3 | 1018.0 | ||||||
| 01 | 23:56 | Calm | 16.09 | A Few Clouds | FEW070 | 27.2 | 26.1 | 94% | 32 | 76.33 | 1018.4 | ||||||
| 01 | 22:56 | Calm | 16.09 | Mostly Cloudy | BKN060 | 27.8 | 24.4 | 82% | 32 | 76.3 | 1018.1 | ||||||
| 01 | 21:56 | Calm | 16.09 | Mostly Cloudy | BKN060 | 27.8 | 25 | 85% | 32 | 76.28 | 1017.7 | ||||||
| 01 | 20:56 | Calm | 16.09 | Fair | CLR | 28.9 | 24.4 | 77% | 34 | 76.28 | 1017.6 | ||||||
| 01 | 19:56 | Calm | 16.09 | Fair | CLR | 32.2 | 22.8 | 36.1 | 32.2 | 58% | 37 | 76.25 | 1017.2 | ||||
| 01 | 18:56 | NW 11 | 16.09 | Fair | CLR | 33.9 | 22.8 | 52% | 39 | 76.23 | 1017.0 | ||||||
| 01 | 17:56 | W 11 | 16.09 | Fair | CLR | 35 | 22.2 | 47% | 40 | 76.23 | 1017.0 | ||||||
| 01 | 16:56 | NW 9 | 16.09 | A Few Clouds | FEW055 | 34.4 | 23.3 | 52% | 40 | 76.25 | 1017.4 | ||||||
| 01 | 15:56 | W 11 | 16.09 | Mostly Cloudy | BKN055 | 35 | 24.4 | 54% | 42 | 76.28 | 1017.7 | ||||||
| 01 | 14:56 | W 11 | 16.09 | Mostly Cloudy | SCT050 BKN065 | 34.4 | 24.4 | 56% | 42 | 76.3 | 1018.0 | ||||||
| 01 | 13:56 | Vrbl 6 | 16.09 | Partly Cloudy | SCT042 | 34.4 | 25 | 34.4 | 25 | 58% | 42 | 76.33 | 1018.2 | ||||
| 01 | 12:56 | W 6 | 16.09 | Mostly Cloudy | BKN040 | 32.2 | 24.4 | 63% | 39 | 76.35 | 1018.6 | ||||||
| 01 | 11:56 | NW 7 | 16.09 | Fair | CLR | 32.2 | 24.4 | 63% | 39 | 76.35 | 1018.6 | ||||||
| 01 | 10:56 | NW 9 | 16.09 | Fair | CLR | 31.1 | 24.4 | 68% | 37 | 76.35 | 1018.8 | ||||||
| 01 | 09:56 | W 7 | 16.09 | Fair | CLR | 28.9 | 22.8 | 70% | 32 | 76.38 | 1019.1 | ||||||
| 01 | 08:56 | SW 7 | 16.09 | Fair | CLR | 26.7 | 21.1 | 71% | 28 | 76.4 | 1019.3 | ||||||
| 01 | 07:56 | SW 9 | 16.09 | Fair | CLR | 25 | 20 | 25.6 | 23.3 | 74% | 26 | 76.4 | 1019.3 | ||||
| 01 | 06:56 | S 6 | 16.09 | Fair | CLR | 23.9 | 18.9 | 74% | 25 | 76.38 | 1019.2 | ||||||
| 01 | 05:56 | Calm | 16.09 | Fair | CLR | 23.3 | 18.9 | 76% | 76.38 | 1019.0 | |||||||
| 01 | 04:56 | S 6 | 16.09 | Fair | CLR | 23.3 | 18.3 | 74% | 76.38 | 1019.2 | |||||||
| 01 | 03:56 | Calm | 16.09 | Fair | CLR | 23.9 | 17.8 | 69% | 25 | 76.38 | 1018.9 | ||||||
| 01 | 02:56 | S 7 | 16.09 | A Few Clouds | FEW049 | 24.4 | 17.8 | 67% | 25 | 76.38 | 1019.0 | ||||||
| 01 | 01:56 | S 9 | 16.09 | A Few Clouds | FEW048 | 25 | 17.8 | 29.4 | 25 | 64% | 26 | 76.38 | 1019.1 | ||||
| 01 | 00:56 | S 9 | 16.09 | Fair | CLR | 25.6 | 17.8 | 62% | 27 | 76.43 | 1019.6 | ||||||
| 30 | 23:56 | S 9 | 16.09 | A Few Clouds | FEW055 | 26.1 | 17.2 | 58% | 27 | 76.43 | 1019.9 | ||||||
| 30 | 22:56 | S 11 | 16.09 | Mostly Cloudy | BKN060 | 26.7 | 17.2 | 56% | 27 | 76.43 | 1019.9 | ||||||
| 30 | 21:56 | SE 9 | 16.09 | Fair | CLR | 27.2 | 17.2 | 54% | 28 | 76.38 | 1019.2 | ||||||
| Date | Time (edt) | 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) | |||||||||||||||