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. | ||||||||||||||||
| 16 | 17:56 | Calm | 16.09 | Fair | CLR | 3.3 | 2.8 | 97% | 76.63 | 1023.6 | |||||||
| 16 | 16:56 | Calm | 16.09 | Overcast | OVC016 | 5 | 2.8 | 86% | 76.61 | 1023.0 | |||||||
| 16 | 15:56 | Calm | 16.09 | Overcast | OVC016 | 5 | 2.2 | 82% | 76.58 | 1022.7 | |||||||
| 16 | 14:56 | Calm | 16.09 | Overcast | OVC014 | 5 | 2.2 | 82% | 76.56 | 1022.5 | |||||||
| 16 | 13:56 | NW 6 | 16.09 | Overcast | OVC012 | 4.4 | 2.8 | 89% | 76.56 | 1022.4 | |||||||
| 16 | 12:56 | Vrbl 6 | 16.09 | Overcast | OVC012 | 3.9 | 3.3 | 3.9 | 0.6 | 96% | 76.56 | 1022.6 | |||||
| 16 | 11:56 | Calm | 9.66 | Fog/Mist | OVC008 | 2.8 | 2.8 | 100% | 76.61 | 1023.1 | |||||||
| 16 | 10:56 | NW 9 | 8.05 | Overcast with Haze | OVC006 | 2 | 0 | 0% | -0 | 76.58 | 1022.8 | ||||||
| 16 | 09:56 | NW 7 | 6.44 | Overcast with Haze | OVC006 | 2 | 0 | 0% | 0 | 76.53 | 1022.2 | ||||||
| 16 | 08:56 | N 6 | 6.44 | Overcast with Haze | OVC006 | 2 | 0 | 0% | 76.5 | 1021.7 | |||||||
| 16 | 07:56 | Calm | 3.22 | Fog/Mist | OVC004 | 1 | 0 | 0% | 76.45 | 1021.2 | |||||||
| 16 | 06:56 | Vrbl 6 | 4.02 | Fog/Mist | OVC004 | 1 | 0 | 1.7 | 0.6 | 0% | 76.38 | 1020.2 | |||||
| 16 | 05:56 | Vrbl 7 | 4.02 | Fog/Mist | OVC004 | 1 | 0 | 0% | -1 | 76.28 | 1018.7 | ||||||
| 16 | 04:56 | Calm | 4.02 | Fog/Mist | OVC004 | 1 | 0 | 0% | 76.23 | 1018.1 | |||||||
| 16 | 03:56 | Vrbl 9 | 4.83 | Fog/Mist | OVC004 | 1 | 0 | 0% | -2 | 76.17 | 1017.4 | ||||||
| 16 | 02:56 | N 11 | 4.02 | Fog/Mist | OVC004 | 2 | 0 | 0% | -1 | 76.12 | 1016.6 | ||||||
| 16 | 01:56 | N 7 | 4.83 | Fog/Mist | OVC004 | 2 | 0 | 0% | 0 | 76.07 | 1016.1 | ||||||
| 16 | 00:56 | NE 7 | 4.83 | Fog/Mist | OVC004 | 2 | 0 | 3.3 | 1.7 | 0% | 0 | 76.02 | 1015.5 | 0.64 | |||
| 15 | 23:56 | Calm | 4.83 | Unknown Precip | OVC004 | 2 | 0 | 0% | 76.07 | 1016.0 | 0.1 | ||||||
| 15 | 22:56 | Vrbl 7 | 3.22 | Light Rain | OVC004 | 2 | 0 | 0% | 0 | 76.12 | 1016.6 | 0.08 | |||||
| 15 | 21:56 | NE 6 | 3.22 | Light Rain | OVC004 | 2 | 0 | 0% | 76.07 | 1015.9 | 0.13 | 0.46 | |||||
| 15 | 20:56 | Calm | 4.02 | Light Rain | OVC004 | 2 | 0 | 0% | 76.07 | 1016.1 | 0.15 | ||||||
| 15 | 19:56 | Calm | 3.22 | Light Rain | OVC004 | 3 | 0 | 0% | 76.07 | 1016.1 | 0.18 | ||||||
| 15 | 18:56 | Vrbl 6 | 4.02 | Light Rain | SCT004 BKN025 OVC044 | 3 | 0 | 8.3 | 2.8 | 0% | 76.07 | 1016.1 | 0.18 | 0.64 | |||
| 15 | 17:56 | E 6 | 3.22 | Light Rain | OVC004 | 3 | 0 | 0% | 76.07 | 1015.9 | 0.1 | ||||||
| 15 | 16:56 | E 9 | 2.41 | Light Rain | FEW005 BKN015 OVC038 | 3 | 0 | 0% | 1 | 76.05 | 1015.7 | 0.18 | |||||
| 15 | 15:56 | E 6 | 4.83 | Light Rain | BKN020 OVC027 | 4 | 0 | 0% | 76.1 | 1016.4 | 0.13 | 0.18 | |||||
| 15 | 14:56 | Calm | 8.05 | Light Rain Fog/Mist | BKN033 OVC041 | 5 | 5 | 100% | 76.15 | 1016.8 | 0.05 | ||||||
| 15 | 13:56 | SE 6 | 16.09 | Light Rain | SCT035 BKN044 OVC050 | 6.7 | 1.7 | 71% | 76.2 | 1017.6 | |||||||
| 15 | 12:56 | Calm | 16.09 | Light Rain | BKN049 OVC060 | 7.8 | -1.7 | 8.3 | 0.6 | 51% | 76.23 | 1018.1 | |||||
| 15 | 11:56 | SE 7 | 16.09 | Overcast | OVC060 | 7.8 | -2.2 | 50% | 7 | 76.3 | 1018.9 | ||||||
| 15 | 10:56 | Calm | 16.09 | Overcast | OVC065 | 7.2 | -2.8 | 49% | 76.3 | 1019.1 | |||||||
| 15 | 09:56 | Calm | 16.09 | Overcast | OVC095 | 6.1 | -2.2 | 56% | 76.3 | 1019.2 | |||||||
| 15 | 08:56 | Calm | 16.09 | Overcast | OVC110 | 5.6 | -1.1 | 62% | 76.3 | 1019.1 | |||||||
| 15 | 07:56 | Calm | 16.09 | A Few Clouds | FEW120 | 2.2 | 0.6 | 89% | 76.3 | 1018.9 | |||||||
| 15 | 06:56 | Calm | 16.09 | Fair | CLR | 0.6 | -1.1 | 2.2 | -0.6 | 89% | 76.3 | 1019.2 | |||||
| 15 | 05:56 | Calm | 16.09 | Fair | CLR | 0 | -1.7 | 88% | 76.3 | 1019.1 | |||||||
| 15 | 04:56 | Calm | 16.09 | Fair | CLR | 0 | -1.7 | 88% | 76.3 | 1018.9 | |||||||
| 15 | 03:56 | Calm | 16.09 | Fair | CLR | 0.6 | -2.2 | 82% | 76.3 | 1019.1 | |||||||
| 15 | 02:56 | Calm | 16.09 | Fair | CLR | 1.1 | -1.1 | 85% | 76.33 | 1019.2 | |||||||
| 15 | 01:56 | Calm | 16.09 | Fair | CLR | 0.6 | -1.7 | 85% | 76.38 | 1020.1 | |||||||
| 15 | 00:56 | Calm | 16.09 | Fair | CLR | 2.2 | -1.7 | 5.6 | 1.1 | 76% | 76.4 | 1020.2 | |||||
| 14 | 23:56 | Calm | 16.09 | Fair | CLR | 1.7 | -1.7 | 78% | 76.4 | 1020.6 | |||||||
| 14 | 22:56 | Calm | 16.09 | Fair | CLR | 1.7 | -1.1 | 82% | 76.43 | 1020.6 | |||||||
| 14 | 21:56 | Calm | 16.09 | Fair | CLR | 3.3 | -1.7 | 70% | 76.4 | 1020.5 | |||||||
| 14 | 20:56 | Calm | 16.09 | Fair | CLR | 3.9 | -1.1 | 70% | 76.45 | 1021.1 | |||||||
| 14 | 19:56 | Calm | 16.09 | Fair | CLR | 5 | -2.2 | 60% | 76.45 | 1021.2 | |||||||
| 14 | 18:56 | Calm | 16.09 | Fair | CLR | 5 | -2.2 | 11.7 | 5 | 60% | 76.45 | 1021.4 | |||||
| 14 | 17:56 | S 6 | 16.09 | Fair | CLR | 8.3 | -2.2 | 48% | 76.43 | 1020.7 | |||||||
| 14 | 16:56 | W 9 | 16.09 | Fair | CLR | 10.6 | -2.8 | 39% | 76.4 | 1020.3 | |||||||
| 14 | 15:56 | W 13 | 16.09 | Fair | CLR | 11.7 | -2.8 | 37% | 76.38 | 1019.9 | |||||||
| 14 | 14:56 | W 17 | 16.09 | Fair | CLR | 11.7 | -2.8 | 37% | 76.38 | 1019.9 | |||||||
| 14 | 13:56 | W 19 G 26 | 16.09 | Fair | CLR | 11.1 | -2.8 | 38% | 76.4 | 1020.3 | |||||||
| 14 | 12:56 | W 15 | 16.09 | Fair | CLR | 10.6 | -3.3 | 10.6 | -6.7 | 38% | 76.45 | 1021.2 | |||||
| 14 | 11:56 | W 13 | 16.09 | Fair | CLR | 8.3 | -3.9 | 42% | 6 | 76.53 | 1022.2 | ||||||
| 14 | 10:56 | W 13 | 16.09 | Fair | CLR | 6.1 | -5.6 | 43% | 4 | 76.61 | 1023.2 | ||||||
| 14 | 09:56 | W 7 | 16.09 | A Few Clouds | FEW075 | 3.9 | -6.7 | 46% | 2 | 76.63 | 1023.7 | ||||||
| 14 | 08:56 | W 7 | 16.09 | Overcast | OVC085 | -1.7 | -7.2 | 66% | -4 | 76.66 | 1024.1 | ||||||
| 14 | 07:56 | Calm | 16.09 | Partly Cloudy | SCT090 | -5 | -8.9 | 74% | 76.61 | 1023.6 | |||||||
| 14 | 06:56 | Calm | 16.09 | A Few Clouds | FEW100 | -6.7 | -9.4 | -3.3 | -6.7 | 81% | 76.61 | 1023.7 | |||||
| 14 | 05:56 | Calm | 16.09 | Fair | CLR | -6.1 | -8.9 | 81% | 76.61 | 1023.5 | |||||||
| 14 | 04:56 | Calm | 16.09 | Fair | CLR | -6.1 | -8.9 | 81% | 76.61 | 1023.4 | |||||||
| 14 | 03:56 | Calm | 16.09 | Fair | CLR | -4.4 | -10 | 65% | 76.63 | 1023.8 | |||||||
| 14 | 02:56 | Calm | 16.09 | Fair | CLR | -4.4 | -9.4 | 68% | 76.61 | 1023.5 | |||||||
| 14 | 01:56 | W 6 | 16.09 | Fair | CLR | -5.6 | -8.9 | 78% | 76.66 | 1024.2 | |||||||
| 14 | 00:56 | Calm | 16.09 | Fair | CLR | -6.7 | -8.3 | -2.2 | -6.7 | 89% | 76.66 | 1024.3 | |||||
| 13 | 23:56 | Calm | 16.09 | Fair | CLR | -5.6 | -8.3 | 82% | 76.68 | 1024.4 | |||||||
| 13 | 22:56 | Calm | 16.09 | Fair | CLR | -5 | -8.3 | 78% | 76.71 | 1024.6 | |||||||
| 13 | 21:56 | Calm | 16.09 | Fair | CLR | -4.4 | -8.3 | 75% | 76.68 | 1024.4 | |||||||
| 13 | 20:56 | Calm | 16.09 | Fair | CLR | -3.9 | -8.9 | 69% | 76.68 | 1024.3 | |||||||
| 13 | 19:56 | Calm | 16.09 | Fair | CLR | -2.2 | -8.9 | 60% | 76.71 | 1024.7 | |||||||
| 13 | 18:56 | Calm | 16.09 | Fair | CLR | -1.7 | -9.4 | 1.7 | -1.7 | 56% | 76.68 | 1024.5 | |||||
| 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) | |||||||||||||||