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. | ||||||||||||||||
| 05 | 15:56 | E 9 | 14.48 | Fair | CLR | 14.4 | 12.2 | 87% | 76.53 | 1021.7 | |||||||
| 05 | 14:56 | E 9 | 14.48 | Mostly Cloudy | BKN012 | 13.3 | 13.3 | 100% | 76.56 | 1022.0 | |||||||
| 05 | 13:56 | Calm | 11.27 | Overcast | OVC008 | 12.2 | 12.2 | 100% | 76.56 | 1022.3 | |||||||
| 05 | 12:56 | Calm | 8.05 | Fog/Mist | OVC008 | 11.7 | 11.7 | 11.7 | 6.7 | 100% | 76.61 | 1022.9 | |||||
| 05 | 11:56 | Calm | 6.44 | Overcast with Haze | OVC004 | 10 | 0 | 0% | 76.68 | 1023.7 | |||||||
| 05 | 10:51 | Calm | 4.83 | Fog/Mist | OVC004 | 9 | 0 | 0% | 76.71 | 1024.2 | |||||||
| 05 | 09:56 | Calm | 1.61 | Fog/Mist | OVC002 | 8 | 0 | 0% | 76.71 | 1024.4 | |||||||
| 05 | 08:56 | E 6 | 0.40 | Fog | OVC002 | 8 | 0 | 0% | 76.68 | 1023.8 | |||||||
| 05 | 07:56 | Calm | 0.24 | Fog | OVC002 | 7.2 | 7.2 | 100% | 76.68 | 1023.8 | |||||||
| 05 | 06:56 | Calm | 0.24 | Fog | OVC002 | 7 | 0 | 7.2 | 6.7 | 0% | 76.63 | 1023.4 | |||||
| 05 | 05:56 | Calm | 0.40 | Fog | OVC002 | 7 | 0 | 0% | 76.61 | 1023.1 | |||||||
| 05 | 04:56 | E 6 | 0.40 | Fog | OVC002 | 7 | 0 | 0% | 76.63 | 1023.2 | |||||||
| 05 | 03:56 | Calm | 0.40 | Fog | OVC002 | 7 | 0 | 0% | 76.66 | 1023.5 | |||||||
| 05 | 02:56 | Calm | 0.40 | Fog | OVC002 | 7 | 0 | 0% | 76.66 | 1023.4 | |||||||
| 05 | 01:56 | Calm | 0.40 | Fog | OVC002 | 7 | 0 | 0% | 76.71 | 1024.5 | |||||||
| 05 | 00:56 | Calm | 0.40 | Fog | OVC002 | 7 | 0 | 8.3 | 7.2 | 0% | 76.76 | 1025.1 | |||||
| 04 | 23:56 | Calm | 0.80 | Fog | OVC002 | 7 | 0 | 0% | 76.76 | 1024.9 | |||||||
| 04 | 22:56 | Calm | 0.80 | Fog | OVC002 | 7 | 0 | 0% | 76.76 | 1024.8 | |||||||
| 04 | 21:56 | Calm | 0.40 | Fog | OVC002 | 8 | 0 | 0% | 76.81 | 1025.5 | |||||||
| 04 | 20:56 | SE 9 | 0.80 | Fog | BKN002 OVC017 | 8 | 0 | 0% | 7 | 76.84 | 1025.9 | ||||||
| 04 | 19:54 | Calm | 2.82 | Fog/Mist | OVC002 | 8 | 0 | 0% | 76.84 | 1026.2 | |||||||
| 04 | 18:56 | N 6 | 6.44 | Overcast with Haze | OVC004 | 8 | 0 | 8.9 | 8.3 | 0% | 76.84 | 1026.1 | 0.05 | ||||
| 04 | 17:56 | Calm | 6.44 | Overcast with Haze | OVC004 | 9 | 0 | 0% | 76.76 | 1025.1 | |||||||
| 04 | 16:56 | NE 6 | 9.66 | Overcast with Haze | OVC006 | 9 | 0 | 0% | 76.73 | 1024.7 | |||||||
| 04 | 15:56 | Calm | 9.66 | Light Rain | OVC006 | 9 | 0 | 0% | 76.78 | 1025.3 | 0.05 | ||||||
| 04 | 14:56 | Calm | 11.27 | Overcast | OVC004 | 9 | 0 | 0% | 76.81 | 1025.6 | |||||||
| 04 | 13:56 | E 6 | 4.83 | Light Rain | BKN004 BKN008 OVC045 | 8 | 0 | 0% | 76.76 | 1025.0 | 0.05 | ||||||
| 04 | 12:56 | Calm | 4.02 | Light Rain | SCT008 BKN047 OVC055 | 8 | 0 | 9.4 | 6.1 | 0% | 76.84 | 1026.2 | 0.03 | 0.03 | |||
| 04 | 11:56 | NE 6 | 12.87 | Overcast | BKN007 OVC033 | 9 | 0 | 0% | 76.84 | 1026.1 | |||||||
| 04 | 10:56 | Calm | 14.48 | Overcast | OVC007 | 9 | 0 | 0% | 76.86 | 1026.5 | |||||||
| 04 | 09:56 | Vrbl 6 | 12.87 | Overcast | OVC005 | 9 | 0 | 0% | 76.86 | 1026.5 | |||||||
| 04 | 08:56 | NE 7 | 6.44 | Overcast with Haze | BKN003 OVC100 | 8 | 0 | 0% | 7 | 76.84 | 1026.2 | ||||||
| 04 | 07:56 | Calm | 4.83 | Fog/Mist | SCT005 OVC035 | 7 | 0 | 0% | 76.84 | 1026.3 | |||||||
| 04 | 06:56 | Calm | 4.02 | Fog/Mist | OVC090 | 6 | 0 | 6.7 | 5.6 | 0% | 76.78 | 1025.6 | 0.05 | ||||
| 04 | 05:56 | Calm | 8.05 | Overcast with Haze | FEW075 OVC090 | 6 | 0 | 0% | 76.73 | 1024.8 | 0.03 | ||||||
| 04 | 04:56 | Calm | 9.66 | Light Rain | OVC065 | 6 | 0 | 0% | 76.73 | 1024.9 | 0.03 | ||||||
| 04 | 03:56 | Calm | 3.22 | Fog/Mist | OVC049 | 6 | 0 | 0% | 76.73 | 1024.9 | |||||||
| 04 | 02:56 | Calm | 8.05 | Overcast with Haze | OVC005 | 6 | 0 | 0% | 76.78 | 1025.5 | |||||||
| 04 | 01:56 | Calm | 8.05 | Overcast with Haze | OVC003 | 6 | 0 | 0% | 76.78 | 1025.5 | |||||||
| 04 | 00:56 | SW 6 | 8.05 | Light Rain | OVC003 | 6 | 0 | 5.6 | 2.8 | 0% | 76.78 | 1025.3 | 0.2 | ||||
| 03 | 23:56 | S 6 | 8.05 | Overcast with Haze | OVC003 | 5 | 0 | 0% | 76.76 | 1025.3 | 0.03 | ||||||
| 03 | 22:56 | SW 7 | 8.05 | Light Rain | OVC003 | 4 | 0 | 0% | 2 | 76.81 | 1025.8 | ||||||
| 03 | 21:56 | SW 7 | 14.48 | Light Rain | OVC003 | 4 | 0 | 0% | 2 | 76.81 | 1025.8 | 0.18 | |||||
| 03 | 20:56 | S 9 | 9.66 | Light Rain | OVC003 | 3 | 0 | 0% | 1 | 76.81 | 1026.1 | 0.03 | |||||
| 03 | 19:56 | S 9 | 12.87 | Light Rain | OVC005 | 3 | 0 | 0% | 1 | 76.89 | 1026.9 | 0.15 | |||||
| 03 | 18:56 | S 7 | 9.66 | Rain | OVC005 | 3 | 0 | 3.3 | 1.1 | 0% | 1 | 76.94 | 1027.8 | 0.18 | 0.43 | ||
| 03 | 17:56 | SW 7 | 4.83 | Rain | OVC003 | 3 | 0 | 0% | 1 | 76.96 | 1028.0 | 0.23 | |||||
| 03 | 16:56 | S 9 | 4.83 | Rain | OVC003 | 3 | 0 | 0% | 1 | 76.96 | 1028.0 | 0.03 | |||||
| 03 | 15:56 | S 7 | 0.40 | Fog | OVC003 | 2 | 0 | 0% | 0 | 77.01 | 1028.6 | ||||||
| 03 | 14:56 | SE 6 | 1.21 | Fog/Mist | OVC003 | 2 | 0 | 0% | 77.04 | 1029.1 | |||||||
| 03 | 13:56 | SE 6 | 2.41 | Fog/Mist | OVC003 | 2 | 0 | 0% | 77.14 | 1030.5 | |||||||
| 03 | 12:56 | S 6 | 1.61 | Unknown Precip | OVC003 | 1 | 0 | 1.1 | -0.6 | 0% | 77.24 | 1031.8 | 0.15 | ||||
| 03 | 11:52 | Calm | 3.22 | Light Snow Fog/Mist | OVC003 | 0.6 | 0.6 | 100% | 77.34 | 1033.2 | 0.13 | ||||||
| 03 | 10:56 | Calm | 2.82 | Light Rain Fog/Mist | OVC003 | 0.6 | 0.6 | 100% | 77.39 | 1033.8 | 0.03 | ||||||
| 03 | 09:56 | Calm | 1.61 | Unknown Precip Fog/Mist | OVC003 | 0 | 0 | 100% | 77.44 | 1034.5 | |||||||
| 03 | 08:56 | SE 6 | 1.61 | Unknown Precip Fog/Mist | OVC003 | 0 | 0 | 100% | 77.47 | 1035.1 | |||||||
| 03 | 07:56 | Calm | 4.02 | Unknown Precip Fog/Mist | OVC005 | 0 | 0 | 100% | 77.5 | 1035.3 | |||||||
| 03 | 06:56 | Calm | 4.83 | Unknown Precip Fog/Mist | OVC005 | -0.6 | -0.6 | -0.6 | -1.1 | 100% | 77.47 | 1034.9 | 0.15 | ||||
| 03 | 05:56 | Vrbl 6 | 8.05 | Unknown Precip Fog/Mist | OVC005 | -0.6 | -0.6 | 100% | 77.47 | 1035.0 | 0.03 | ||||||
| 03 | 04:56 | Calm | 9.66 | Unknown Precip Fog/Mist | OVC009 | -0.6 | -0.6 | 100% | 77.5 | 1035.3 | 0.05 | ||||||
| 03 | 03:56 | SE 7 | 9.66 | Unknown Precip Fog/Mist | OVC007 | -0.6 | -0.6 | 100% | -3 | 77.55 | 1036.0 | 0.05 | 0.08 | ||||
| 03 | 02:56 | Calm | 11.27 | Overcast | OVC007 | -1.1 | -1.1 | 100% | 77.57 | 1036.4 | 0.03 | ||||||
| 03 | 01:56 | SE 6 | 8.05 | Unknown Precip Fog/Mist | OVC005 | -1.1 | -1.1 | 100% | 77.6 | 1036.7 | |||||||
| 03 | 00:56 | Calm | 8.05 | Fog/Mist | FEW005 OVC031 | -1.1 | -1.1 | -1.1 | -1.7 | 100% | 77.65 | 1037.3 | |||||
| 02 | 23:56 | Calm | 6.44 | Fog/Mist | BKN005 OVC020 | -1.1 | -1.1 | 100% | 77.67 | 1037.5 | |||||||
| 02 | 22:56 | E 6 | 6.44 | Fog/Mist | OVC005 | -1.1 | -1.7 | 96% | 77.67 | 1037.8 | |||||||
| 02 | 21:56 | E 6 | 8.05 | Fog/Mist | OVC007 | -1.7 | -2.2 | 96% | 77.7 | 1038.0 | |||||||
| 02 | 20:56 | E 7 | 11.27 | Overcast | OVC009 | -1.7 | -2.2 | 96% | -4 | 77.72 | 1038.2 | ||||||
| 02 | 19:56 | E 6 | 16.09 | Overcast | OVC009 | -1.7 | -2.2 | 96% | 77.72 | 1038.2 | |||||||
| 02 | 18:56 | Calm | 6.44 | Light Snow Fog/Mist | OVC009 | -1.7 | -2.8 | 0 | -1.7 | 92% | 77.7 | 1038.2 | 0.08 | ||||
| 02 | 17:56 | SE 9 | 6.44 | Light Snow Fog/Mist | FEW009 OVC040 | -1.7 | -2.8 | 92% | -5 | 77.7 | 1038.0 | ||||||
| 02 | 16:56 | SE 7 | 4.83 | Light Snow Fog/Mist | OVC044 | -1.7 | -3.3 | 89% | -4 | 77.67 | 1037.6 | ||||||
| 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) | |||||||||||||||