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. | ||||||||||||||||
| 04 | 02:56 | NW 6 | 16.09 | Fair | CLR | 21 | 0 | 0% | 76.07 | 1014.9 | 0.03 | ||||||
| 04 | 01:56 | NW 6 | 16.09 | Partly Cloudy | SCT005 | 21 | 0 | 29.4 | 20.6 | 0% | 76.05 | 1014.6 | 0.03 | 0.53 | |||
| 04 | 00:56 | Vrbl 7 | 16.09 | Light Rain | FEW110 | 22.2 | 22.2 | 100% | 76.12 | 1015.8 | 0.03 | ||||||
| 03 | 23:56 | W 20 G 33 | 9.66 | Thunderstorm Rain Fog/Mist | FEW020 SCT055 BKN065 | 22.2 | 22.2 | 100% | 76.3 | 1018.0 | 0.48 | ||||||
| 03 | 22:56 | Vrbl 7 G 26 | 16.09 | Thunderstorm in Vicinity | FEW028 SCT035 BKN095 | 26.7 | 23.3 | 82% | 29 | 76.17 | 1016.3 | ||||||
| 03 | 21:56 | Calm | 16.09 | Fair | CLR | 28.3 | 25.6 | 85% | 34 | 76.12 | 1015.8 | ||||||
| 03 | 20:56 | SW 6 | 16.09 | Fair | CLR | 28.9 | 25 | 80% | 34 | 76.12 | 1015.5 | ||||||
| 03 | 19:56 | SW 7 | 12.87 | Fair | CLR | 28.9 | 23.9 | 32.8 | 28.3 | 74% | 33 | 76.17 | 1016.2 | ||||
| 03 | 18:56 | W 7 | 16.09 | Fair | CLR | 30 | 23.3 | 67% | 34 | 76.1 | 1015.3 | ||||||
| 03 | 17:56 | W 13 | 16.09 | Fair | CLR | 32.2 | 23.9 | 62% | 38 | 76.07 | 1015.2 | ||||||
| 03 | 16:56 | W 15 | 16.09 | Fair | CLR | 32.2 | 22.8 | 58% | 37 | 76.1 | 1015.3 | ||||||
| 03 | 15:56 | W 15 | 16.09 | Fair | CLR | 31.1 | 23.3 | 63% | 36 | 76.15 | 1016.1 | ||||||
| 03 | 14:56 | W 9 | 16.09 | Fair | CLR | 28.9 | 22.8 | 70% | 32 | 76.23 | 1017.0 | ||||||
| 03 | 13:56 | NW 9 | 16.09 | Fair | CLR | 28.3 | 21.7 | 28.3 | 22.8 | 67% | 31 | 76.25 | 1017.4 | 0.03 | |||
| 03 | 12:56 | W 15 | 16.09 | Fair | CLR | 27.2 | 22.8 | 77% | 30 | 76.35 | 1018.7 | ||||||
| 03 | 11:56 | W 9 | 16.09 | Light Rain | FEW070 BKN100 | 23.9 | 23.9 | 100% | 22 | 76.4 | 1019.6 | 0.03 | |||||
| 03 | 10:56 | W 7 | 16.09 | Light Rain | OVC010 | 24.4 | 24.4 | 100% | 24 | 76.4 | 1019.4 | ||||||
| 03 | 09:56 | Vrbl 6 | 16.09 | Overcast | OVC008 | 24.4 | 24.4 | 100% | 24 | 76.35 | 1018.9 | ||||||
| 03 | 08:56 | SE 7 | 11.27 | Mostly Cloudy | BKN004 | 23 | 0 | 0% | 76.38 | 1019.3 | |||||||
| 03 | 07:56 | Calm | 9.66 | Overcast with Haze | OVC004 | 23 | 0 | 22.8 | 21.1 | 0% | 76.45 | 1020.1 | |||||
| 03 | 06:56 | Calm | 6.44 | Overcast with Haze | OVC004 | 22 | 0 | 0% | 76.45 | 1020.3 | |||||||
| 03 | 05:56 | Calm | 8.05 | Overcast with Haze | OVC006 | 22 | 0 | 0% | 76.35 | 1018.8 | |||||||
| 03 | 04:56 | Calm | 9.66 | Mostly Cloudy with Haze | SCT004 BKN065 | 22 | 0 | 0% | 76.35 | 1018.8 | |||||||
| 03 | 03:56 | Calm | 11.27 | Overcast | OVC004 | 22 | 0 | 0% | 76.35 | 1018.8 | |||||||
| 03 | 02:56 | SE 13 | 12.87 | Mostly Cloudy | BKN004 BKN060 BKN070 | 22 | 0 | 0% | 76.3 | 1018.2 | |||||||
| 03 | 01:56 | SE 11 | 16.09 | Partly Cloudy | SCT060 | 21 | 0 | 22.8 | 21.1 | 0% | 76.33 | 1018.5 | |||||
| 03 | 00:56 | Calm | 16.09 | A Few Clouds | FEW060 | 21 | 0 | 0% | 76.35 | 1018.6 | |||||||
| 02 | 23:56 | Calm | 16.09 | Partly Cloudy | SCT075 | 22 | 0 | 0% | 76.4 | 1019.4 | |||||||
| 02 | 22:56 | Calm | 16.09 | Overcast | OVC070 | 22 | 0 | 0% | 76.38 | 1019.1 | |||||||
| 02 | 21:56 | Calm | 16.09 | Partly Cloudy | SCT070 | 22 | 0 | 0% | 76.38 | 1019.1 | |||||||
| 02 | 20:56 | SE 9 | 16.09 | Fair | CLR | 22 | 0 | 0% | 76.35 | 1018.9 | |||||||
| 02 | 19:56 | Calm | 16.09 | Fair | CLR | 23 | 0 | 25.6 | 21.7 | 0% | 76.38 | 1019.1 | 0.03 | ||||
| 02 | 18:56 | SE 6 | 16.09 | Fair | CLR | 23.3 | 23.3 | 100% | 76.38 | 1019.2 | |||||||
| 02 | 17:56 | SE 7 | 16.09 | Mostly Cloudy | BKN090 | 25.6 | 22.8 | 85% | 27 | 76.4 | 1019.5 | ||||||
| 02 | 16:56 | Calm | 16.09 | Fair | CLR | 22 | 0 | 0% | 76.43 | 1020.0 | 0.03 | ||||||
| 02 | 15:56 | SW 6 | 16.09 | Fair | CLR | 23.9 | 23.9 | 100% | 22 | 76.45 | 1020.1 | ||||||
| 02 | 14:56 | Calm | 16.09 | Fair | CLR | 23.3 | 23.3 | 100% | 76.43 | 1019.8 | 0.03 | ||||||
| 02 | 13:56 | Vrbl 6 | 1.61 | Thunderstorm Heavy Rain | FEW027 BKN060 OVC070 | 22 | 0 | 31.7 | 21.7 | 0% | 76.53 | 1021.2 | 0.97 | 0.97 | |||
| 02 | 12:56 | Calm | 16.09 | Partly Cloudy | SCT110 | 30.6 | 24.4 | 70% | 36 | 76.53 | 1021.0 | ||||||
| 02 | 11:56 | E 7 | 16.09 | Fair | CLR | 30.6 | 23.9 | 67% | 36 | 76.48 | 1020.4 | ||||||
| 02 | 10:56 | Vrbl 6 | 16.09 | Fair | CLR | 30 | 23.3 | 67% | 34 | 76.45 | 1020.0 | ||||||
| 02 | 09:56 | Calm | 16.09 | Fair | CLR | 28.3 | 22.8 | 72% | 32 | 76.48 | 1020.3 | ||||||
| 02 | 08:56 | SE 7 | 16.09 | Fair | CLR | 26.1 | 22.8 | 82% | 28 | 76.43 | 1019.9 | ||||||
| 02 | 07:56 | Calm | 16.09 | Fair | CLR | 22.8 | 22.8 | 24.4 | 21.7 | 100% | 76.4 | 1019.6 | |||||
| 02 | 06:56 | Calm | 16.09 | Partly Cloudy | SCT120 | 22.2 | 22.2 | 100% | 76.4 | 1019.6 | |||||||
| 02 | 05:56 | Calm | 16.09 | Partly Cloudy | SCT120 | 22.8 | 22.8 | 100% | 76.4 | 1019.4 | |||||||
| 02 | 04:56 | Calm | 16.09 | Fair | CLR | 21.7 | 21.7 | 100% | 76.38 | 1019.2 | |||||||
| 02 | 03:56 | Calm | 16.09 | Fair | CLR | 22.8 | 22.8 | 100% | 76.38 | 1019.1 | |||||||
| 02 | 02:56 | Calm | 16.09 | Fair | CLR | 22.8 | 22.8 | 100% | 76.35 | 1018.7 | |||||||
| 02 | 01:56 | W 6 | 16.09 | Fair | CLR | 24.4 | 22.2 | 30 | 23.9 | 88% | 25 | 76.35 | 1018.7 | ||||
| 02 | 00:56 | Calm | 16.09 | A Few Clouds | FEW060 | 25 | 21.7 | 82% | 26 | 76.35 | 1018.6 | ||||||
| 01 | 23:56 | NW 6 | 16.09 | Fair | CLR | 25 | 22.8 | 88% | 26 | 76.28 | 1017.7 | ||||||
| 01 | 22:56 | Calm | 16.09 | Fair | CLR | 26.1 | 21.7 | 77% | 28 | 76.23 | 1017.2 | ||||||
| 01 | 21:56 | NW 6 | 16.09 | Fair | CLR | 26.7 | 21.7 | 74% | 29 | 76.23 | 1017.2 | ||||||
| 01 | 20:56 | W 7 | 16.09 | Fair | CLR | 28.9 | 21.7 | 65% | 32 | 76.2 | 1016.8 | ||||||
| 01 | 19:56 | W 13 | 16.09 | Mostly Cloudy | BKN070 | 30 | 21.7 | 35 | 30 | 61% | 33 | 76.12 | 1015.7 | ||||
| 01 | 18:56 | W 17 | 16.09 | Mostly Cloudy | BKN065 BKN080 | 32.2 | 21.7 | 54% | 36 | 76.12 | 1015.8 | ||||||
| 01 | 17:56 | W 11 | 16.09 | Fair | CLR | 33.3 | 22.8 | 54% | 38 | 76.12 | 1015.7 | ||||||
| 01 | 16:56 | W 17 | 16.09 | A Few Clouds | FEW050 | 34.4 | 22.8 | 51% | 40 | 76.17 | 1016.1 | ||||||
| 01 | 15:56 | W 19 | 16.09 | Mostly Cloudy | SCT050 BKN100 | 33.3 | 23.3 | 56% | 39 | 76.17 | 1016.4 | ||||||
| 01 | 14:56 | Vrbl 11 | 16.09 | Mostly Cloudy | BKN100 | 31.7 | 22.8 | 59% | 36 | 76.25 | 1017.3 | ||||||
| 01 | 13:56 | W 13 | 16.09 | Fair | CLR | 33.3 | 23.3 | 33.3 | 23.9 | 56% | 39 | 76.25 | 1017.2 | ||||
| 01 | 12:56 | W 9 | 16.09 | Fair | CLR | 31.1 | 24.4 | 68% | 37 | 76.28 | 1017.7 | ||||||
| 01 | 11:56 | W 13 | 16.09 | Fair | CLR | 30.6 | 23.3 | 65% | 35 | 76.33 | 1018.3 | ||||||
| 01 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 27.2 | 22.8 | 77% | 30 | 76.35 | 1018.8 | ||||||
| 01 | 08:56 | W 11 | 16.09 | A Few Clouds | FEW120 | 26.7 | 23.3 | 82% | 29 | 76.38 | 1019.0 | ||||||
| 01 | 07:56 | Calm | 16.09 | Fair | CLR | 23.9 | 23.9 | 25 | 22.8 | 100% | 22 | 76.38 | 1019.1 | ||||
| 01 | 06:56 | Calm | 6.44 | Fair with Haze | CLR | 23 | 0 | 0% | 76.35 | 1018.8 | |||||||
| 01 | 05:56 | Calm | 9.66 | Fair with Haze | CLR | 23 | 0 | 0% | 76.33 | 1018.5 | |||||||
| 01 | 04:56 | Calm | 16.09 | Fair | CLR | 23 | 0 | 0% | 76.35 | 1018.7 | |||||||
| 01 | 03:56 | Calm | 16.09 | Fair | CLR | 23.9 | 23.9 | 100% | 22 | 76.35 | 1018.7 | ||||||
| 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) | |||||||||||||||