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. | ||||||||||||||||
| 23 | 01:56 | NW 17 G 26 | 2.82 | Light Snow | BKN007 OVC015 | -1 | 0 | 0% | -6 | 75.59 | 1009.7 | 0.03 | |||||
| 23 | 00:56 | NW 15 G 37 | 4.83 | Light Snow | BKN007 OVC021 | 0 | 0 | 0% | -4 | 75.59 | 1009.8 | 0.08 | 1.04 | ||||
| 22 | 23:56 | NW 9 | 4.83 | Light Snow | OVC005 | 0 | 0 | 0% | 75.62 | 0.0 | 0.1 | ||||||
| 22 | 22:56 | Calm | 3.22 | Light Snow | BKN007 OVC030 | 0 | 0 | 0% | 75.67 | 0.0 | 0.18 | ||||||
| 22 | 21:56 | Vrbl 9 | 2.01 | Light Snow | OVC005 | 0 | 0 | 0% | -3 | 75.72 | 1011.4 | 0.23 | 0.69 | ||||
| 22 | 20:56 | Vrbl 7 | 1.61 | Light Snow | OVC003 | 0 | 0 | 0% | -2 | 75.74 | 1011.9 | 0.2 | |||||
| 22 | 19:56 | Vrbl 7 | 1.21 | Light Snow | OVC003 | 0 | 0 | 0% | -2 | 75.79 | 1012.5 | 0.25 | |||||
| 22 | 18:56 | Vrbl 7 | 1.21 | Light Snow | OVC003 | 0 | 0 | 2.8 | 0 | 0% | -2 | 75.79 | 1012.5 | 0.23 | 0.94 | ||
| 22 | 17:56 | NW 9 | 1.21 | Light Snow | OVC003 | 0 | 0 | 0% | -3 | 75.79 | 1012.3 | 0.2 | |||||
| 22 | 16:56 | NW 6 | 1.61 | Light Snow | OVC005 | 1 | 0 | 0% | 75.77 | 1012.1 | 0.2 | ||||||
| 22 | 15:56 | NW 7 | 12.87 | Rain | OVC005 | 2 | 0 | 0% | 0 | 75.77 | 1011.9 | 0.15 | 0.3 | ||||
| 22 | 14:56 | Calm | 16.09 | Light Rain | OVC007 | 2 | 0 | 0% | 75.79 | 1012.2 | 0.13 | ||||||
| 22 | 13:56 | Calm | 14.48 | Light Rain | OVC007 | 3 | 0 | 0% | 75.82 | 1012.5 | 0.03 | ||||||
| 22 | 12:56 | N 6 | 6.44 | Light Rain | BKN003 OVC009 | 2 | 0 | 2.2 | 1.7 | 0% | 75.87 | 1013.2 | 0.05 | 0.3 | |||
| 22 | 11:56 | Calm | 4.83 | Light Rain | OVC003 | 2 | 0 | 0% | 76 | 1014.9 | 0.08 | ||||||
| 22 | 10:56 | N 6 | 6.44 | Light Rain | BKN005 OVC020 | 2 | 0 | 0% | 76.07 | 1016.1 | |||||||
| 22 | 09:56 | NE 7 | 6.44 | Light Rain | OVC007 | 2 | 0 | 0% | 0 | 76.1 | 1016.5 | 0.05 | 0.18 | ||||
| 22 | 08:56 | Vrbl 7 | 6.44 | Light Rain | BKN009 OVC014 | 2 | 0 | 0% | 0 | 76.15 | 1016.9 | 0.1 | |||||
| 22 | 07:56 | Calm | 6.44 | Light Rain | OVC020 | 2 | 0 | 0% | 76.15 | 1016.8 | 0.03 | ||||||
| 22 | 06:56 | Calm | 8.05 | Light Rain | BKN030 OVC043 | 2 | 0 | 3.9 | 2.2 | 0% | 76.15 | 1017.2 | |||||
| 22 | 05:56 | Calm | 16.09 | Light Rain | OVC036 | 2.2 | 2.2 | 100% | 76.23 | 1017.9 | |||||||
| 22 | 04:56 | Calm | 16.09 | Unknown Precip | SCT022 OVC038 | 2.8 | 2.8 | 100% | 76.2 | 1017.7 | |||||||
| 22 | 03:56 | SE 9 | 16.09 | Light Rain | FEW027 SCT035 OVC044 | 2.8 | 1.7 | 93% | 1 | 76.25 | 1018.1 | ||||||
| 22 | 02:56 | E 6 | 16.09 | Overcast | OVC050 | 2.8 | -0.6 | 79% | 76.25 | 1018.3 | |||||||
| 22 | 01:56 | Calm | 16.09 | Overcast | OVC085 | 3.3 | -1.7 | 70% | 76.28 | 1018.4 | |||||||
| 22 | 00:56 | Calm | 16.09 | Mostly Cloudy | BKN100 BKN110 | 3.9 | -2.2 | 6.1 | 1.7 | 65% | 76.28 | 1018.6 | |||||
| 21 | 23:56 | E 6 | 16.09 | Overcast | OVC090 | 3.3 | -1.7 | 70% | 76.33 | 1019.2 | |||||||
| 21 | 22:56 | Calm | 16.09 | Fair | CLR | 2.2 | -2.2 | 73% | 76.3 | 1018.9 | |||||||
| 21 | 21:56 | Calm | 16.09 | Fair | CLR | 2.8 | -2.2 | 70% | 76.3 | 1019.0 | |||||||
| 21 | 20:56 | Calm | 16.09 | Fair | CLR | 4.4 | -2.2 | 63% | 76.33 | 1019.4 | |||||||
| 21 | 19:56 | SE 11 | 16.09 | Fair | CLR | 5 | -2.2 | 60% | 3 | 76.3 | 1019.1 | ||||||
| 21 | 18:56 | Calm | 16.09 | Fair | CLR | 6.1 | -2.8 | 11.7 | 6.1 | 53% | 76.28 | 1018.7 | |||||
| 21 | 17:56 | Calm | 16.09 | Fair | CLR | 8.3 | -3.3 | 44% | 76.25 | 1018.3 | |||||||
| 21 | 16:56 | SE 9 | 16.09 | Fair | CLR | 10.6 | -3.3 | 38% | 76.23 | 1017.8 | |||||||
| 21 | 15:56 | NE 6 | 16.09 | Fair | CLR | 10.6 | -3.9 | 36% | 76.2 | 1017.5 | |||||||
| 21 | 14:56 | Vrbl 6 | 16.09 | Fair | CLR | 11.1 | -2.2 | 40% | 76.2 | 1017.3 | |||||||
| 21 | 13:56 | Vrbl 6 | 16.09 | Fair | CLR | 11.1 | -2.2 | 40% | 76.2 | 1017.2 | |||||||
| 21 | 12:56 | NW 7 | 16.09 | Fair | CLR | 10 | -3.3 | 10 | 1.7 | 39% | 9 | 76.2 | 1017.5 | ||||
| 21 | 11:56 | Vrbl 6 | 16.09 | Fair | CLR | 8.9 | -2.8 | 44% | 76.23 | 1017.9 | |||||||
| 21 | 10:56 | N 9 | 16.09 | Fair | CLR | 8.3 | -2.8 | 46% | 7 | 76.23 | 1017.8 | ||||||
| 21 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 8.9 | -2.8 | 44% | 76.25 | 1018.4 | |||||||
| 21 | 08:56 | W 6 | 16.09 | Fair | CLR | 7.2 | -3.3 | 48% | 76.25 | 1018.3 | |||||||
| 21 | 07:56 | Calm | 16.09 | Fair | CLR | 1.7 | -2.2 | 76% | 76.1 | 1016.4 | |||||||
| 21 | 06:56 | Calm | 16.09 | Fair | CLR | 2.8 | -3.3 | 8.3 | 1.7 | 65% | 76.05 | 1015.8 | |||||
| 21 | 05:56 | W 13 | 16.09 | Fair | CLR | 5 | -3.3 | 55% | 2 | 75.97 | 1014.4 | ||||||
| 21 | 04:56 | W 15 | 16.09 | Fair | CLR | 6.1 | -3.3 | 51% | 3 | 75.84 | 1012.8 | ||||||
| 21 | 03:56 | W 20 | 16.09 | Fair | CLR | 6.7 | -3.3 | 49% | 3 | 75.77 | 1011.7 | ||||||
| 21 | 02:56 | W 30 G 44 | 16.09 | Fair | CLR | 7.8 | -2.8 | 47% | 4 | 75.72 | 1010.9 | ||||||
| 21 | 01:56 | NW 19 G 30 | 16.09 | Fair | CLR | 7.8 | -2.2 | 50% | 5 | 75.74 | 1011.3 | ||||||
| 21 | 00:56 | NW 9 | 16.09 | Fair | CLR | 7.8 | -1.7 | 10.6 | 3.3 | 51% | 6 | 75.72 | 1010.9 | ||||
| 20 | 23:56 | W 22 G 33 | 16.09 | Fair | CLR | 10.6 | -2.8 | 39% | 75.62 | 1009.7 | |||||||
| 20 | 22:56 | SW 7 | 16.09 | Fair | CLR | 7.8 | -1.1 | 54% | 7 | 75.59 | 1009.3 | ||||||
| 20 | 21:56 | Vrbl 7 | 12.87 | Fair | CLR | 3 | 0 | 0% | 1 | 75.54 | 1008.6 | ||||||
| 20 | 20:56 | Calm | 4.02 | Fog/Mist | CLR | 4 | 0 | 0% | 75.44 | 1007.4 | |||||||
| 20 | 19:56 | Calm | 12.87 | Fair | CLR | 4 | 0 | 0% | 75.34 | 1006.0 | |||||||
| 20 | 18:56 | Calm | 16.09 | Fair | CLR | 7.2 | 7.2 | 13.3 | 7.2 | 100% | 75.26 | 1005.0 | |||||
| 20 | 17:56 | Calm | 16.09 | Fair | CLR | 10.6 | 10 | 96% | 75.18 | 1003.7 | |||||||
| 20 | 16:56 | SW 7 | 16.09 | Fair | CLR | 13.3 | 9.4 | 77% | 75.08 | 1002.5 | |||||||
| 20 | 15:56 | SW 15 | 16.09 | Fair | CLR | 12.8 | 8.9 | 77% | 75.08 | 1002.4 | |||||||
| 20 | 14:56 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN010 | 10 | 10 | 100% | 9 | 75.11 | 1002.8 | ||||||
| 20 | 13:56 | S 11 | 16.09 | Overcast | OVC008 | 8 | 0 | 0% | 6 | 75.13 | 1003.3 | ||||||
| 20 | 12:56 | SW 9 | 16.09 | Overcast | OVC006 | 7 | 0 | 7.2 | 2.8 | 0% | 5 | 75.26 | 1005.0 | 0.48 | |||
| 20 | 11:56 | W 7 | 8.05 | Overcast with Haze | OVC004 | 6 | 0 | 0% | 5 | 75.36 | 1006.3 | ||||||
| 20 | 10:56 | NW 6 | 12.87 | Overcast | OVC004 | 6 | 0 | 0% | 75.41 | 1007.2 | |||||||
| 20 | 09:56 | Calm | 16.09 | Overcast | OVC004 | 4 | 0 | 0% | 75.39 | 1007.0 | 0.48 | ||||||
| 20 | 08:56 | E 9 | 16.09 | Light Rain | OVC004 | 4 | 0 | 0% | 2 | 75.44 | 1007.5 | 0.23 | |||||
| 20 | 07:56 | Calm | 4.83 | Rain | SCT003 BKN012 OVC080 | 3 | 0 | 0% | 75.64 | 1010.0 | 0.25 | ||||||
| 20 | 06:56 | Calm | 2.01 | Rain | BKN005 BKN009 OVC015 | 3 | 0 | 3.3 | 2.8 | 0% | 75.64 | 1010.2 | 0.18 | 0.48 | |||
| 20 | 05:56 | Calm | 4.02 | Light Rain | BKN004 OVC008 | 3 | 0 | 0% | 75.67 | 1010.4 | 0.15 | ||||||
| 20 | 04:56 | Vrbl 7 | 2.41 | Rain | OVC002 | 3 | 0 | 0% | 1 | 75.62 | 1009.8 | 0.1 | |||||
| 20 | 03:56 | Vrbl 7 | 2.82 | Light Rain | OVC002 | 3 | 0 | 0% | 1 | 75.67 | 1010.6 | 0.05 | 0.05 | ||||
| 20 | 02:56 | E 6 | 1.61 | Fog/Mist | OVC002 | 3 | 0 | 0% | 75.79 | 1012.1 | |||||||
| 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) | |||||||||||||||