Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 08 | 15:56 | N 8 | 10.00 | Overcast | OVC110 | 28 | 9 | 44% | 21 | 30.25 | 1026.6 | ||||||
| 08 | 14:56 | Vrbl 6 | 10.00 | Overcast | OVC110 | 30 | 10 | 43% | 25 | 30.24 | 1026.0 | ||||||
| 08 | 13:56 | N 6 | 10.00 | Overcast | OVC110 | 32 | 12 | 43% | 27 | 30.23 | 1025.6 | ||||||
| 08 | 12:56 | N 9 | 10.00 | Overcast | OVC110 | 32 | 12.9 | 34 | 30 | 45% | 25 | 30.22 | 1025.3 | ||||
| 08 | 11:56 | NE 8 | 10.00 | Partly Cloudy | SCT120 | 33.1 | 9 | 36% | 27 | 30.21 | 1025.2 | ||||||
| 08 | 07:56 | Vrbl 6 | 10.00 | Overcast | BKN090 OVC100 | 30 | 19.9 | 66% | 25 | 30.22 | 1025.3 | ||||||
| 08 | 06:56 | Vrbl 3 | 10.00 | Partly Cloudy | SCT100 | 30.9 | 24.1 | 30.9 | 26.1 | 76% | 30.2 | 1024.5 | |||||
| 08 | 05:56 | Vrbl 7 | 10.00 | Overcast | SCT041 OVC060 | 30.9 | 30 | 96% | 25 | 30.16 | 1023.2 | ||||||
| 08 | 04:56 | N 3 | 10.00 | Overcast | OVC037 | 30 | 30 | 100% | 30.14 | 1022.5 | |||||||
| 08 | 03:56 | Calm | 9.00 | Mostly Cloudy | BKN045 | 28 | 26.1 | 92% | 30.12 | 1021.9 | |||||||
| 08 | 02:56 | Calm | 10.00 | Fair | CLR | 26.1 | 25 | 96% | 30.11 | 1021.7 | |||||||
| 08 | 01:56 | Calm | 5.00 | Fog/Mist | CLR | 26.1 | 26.1 | 100% | 30.1 | 1021.2 | |||||||
| 08 | 00:56 | Calm | 5.00 | Fog/Mist | CLR | 27 | 26.1 | 35.1 | 27 | 96% | 30.08 | 1020.5 | |||||
| 07 | 23:56 | SW 3 | 7.00 | Fair | CLR | 28.9 | 27 | 92% | 30.08 | 1020.4 | |||||||
| 07 | 22:56 | Calm | 6.00 | Fog/Mist | BKN095 | 28 | 27 | 96% | 30.06 | 1019.8 | |||||||
| 07 | 21:56 | Calm | 9.00 | Overcast | OVC060 | 28.9 | 28 | 96% | 30.06 | 1019.9 | |||||||
| 07 | 20:56 | Calm | 9.00 | Fair | CLR | 28 | 26.1 | 92% | 30.07 | 1020.3 | |||||||
| 07 | 19:56 | Calm | 10.00 | Fair | CLR | 30 | 27 | 88% | 30.07 | 1020.2 | |||||||
| 07 | 18:56 | S 5 | 10.00 | Fair | CLR | 35.1 | 30.9 | 45 | 35.1 | 85% | 32 | 30.07 | 1020.3 | ||||
| 07 | 17:56 | S 5 | 10.00 | Fair | CLR | 37 | 28.9 | 73% | 34 | 30.08 | 1020.6 | ||||||
| 07 | 16:56 | S 3 | 10.00 | Fair | CLR | 39 | 28 | 65% | 30.07 | 1020.2 | |||||||
| 07 | 15:56 | SE 7 | 10.00 | A Few Clouds | FEW035 | 43 | 28 | 56% | 39 | 30.06 | 1019.7 | ||||||
| 07 | 14:56 | SW 5 | 10.00 | Mostly Cloudy | BKN035 | 43 | 28 | 56% | 41 | 30.05 | 1019.5 | ||||||
| 07 | 13:56 | S 6 | 10.00 | Mostly Cloudy | BKN033 | 44.1 | 28.9 | 55% | 41 | 30.07 | 1020.1 | ||||||
| 07 | 12:56 | S 6 | 10.00 | Mostly Cloudy | BKN031 | 42.1 | 28 | 44.1 | 23 | 58% | 39 | 30.09 | 1020.8 | ||||
| 07 | 11:56 | SW 8 | 10.00 | Fair | CLR | 44.1 | 28 | 53% | 40 | 30.12 | 1021.6 | ||||||
| 07 | 10:56 | S 7 | 10.00 | Fair | CLR | 42.1 | 28.9 | 60% | 38 | 30.14 | 1022.7 | ||||||
| 07 | 09:56 | S 5 | 10.00 | Fair | CLR | 37.9 | 33.1 | 83% | 35 | 30.14 | 1022.6 | ||||||
| 07 | 08:56 | Calm | 7.00 | Fair | CLR | 32 | 32 | 100% | 30.13 | 1022.4 | |||||||
| 07 | 07:56 | Calm | 7.00 | Fair | CLR | 25 | 25 | 100% | 30.11 | 1021.8 | |||||||
| 07 | 06:56 | Calm | 7.00 | Fair | CLR | 23 | 23 | 27 | 23 | 100% | 30.12 | 1022.0 | |||||
| 07 | 05:56 | Calm | 6.00 | Fog/Mist | CLR | 25 | 25 | 100% | 30.11 | 1021.7 | |||||||
| 07 | 04:56 | Calm | 6.00 | Fog/Mist | CLR | 25 | 25 | 100% | 30.09 | 1021.1 | |||||||
| 07 | 03:56 | Calm | 7.00 | Fair | CLR | 26.1 | 26.1 | 100% | 30.08 | 1020.5 | |||||||
| 07 | 02:56 | Calm | 6.00 | Fog/Mist | CLR | 25 | 25 | 100% | 30.08 | 1020.5 | |||||||
| 07 | 01:56 | Calm | 5.00 | Fog/Mist | CLR | 26.1 | 26.1 | 100% | 30.06 | 1019.9 | |||||||
| 07 | 00:56 | Calm | 3.00 | Fog/Mist | CLR | 27 | 27 | 36 | 27 | 100% | 30.07 | 1020.0 | |||||
| 06 | 23:56 | Calm | 3.00 | Fog/Mist | CLR | 28 | 28 | 100% | 30.06 | 1019.9 | |||||||
| 06 | 22:56 | Calm | 5.00 | Fog/Mist | BKN050 | 30 | 30 | 100% | 30.03 | 1019.0 | |||||||
| 06 | 21:56 | Calm | 6.00 | Fog/Mist | OVC050 | 28.9 | 28.9 | 100% | 30.01 | 1018.3 | |||||||
| 06 | 20:56 | Calm | 7.00 | Partly Cloudy | SCT055 | 28 | 27 | 96% | 30 | 1017.8 | |||||||
| 06 | 19:56 | W 3 | 10.00 | Fair | CLR | 30 | 30 | 100% | 29.99 | 1017.8 | |||||||
| 06 | 18:56 | S 5 | 10.00 | Fair | CLR | 36 | 33.1 | 42.1 | 36 | 89% | 33 | 29.98 | 1017.1 | ||||
| 06 | 17:56 | Calm | 10.00 | Fair | CLR | 37 | 28.9 | 73% | 29.97 | 1016.7 | |||||||
| 06 | 16:56 | Calm | 10.00 | Fair | CLR | 39 | 28 | 65% | 29.95 | 1016.0 | |||||||
| 06 | 15:56 | NW 6 | 10.00 | Fair | CLR | 41 | 28 | 60% | 38 | 29.93 | 1015.5 | ||||||
| 06 | 14:56 | W 8 | 10.00 | Fair | CLR | 42.1 | 28.9 | 60% | 38 | 29.91 | 1014.6 | ||||||
| 06 | 13:56 | NW 9 | 10.00 | Partly Cloudy | SCT120 | 42.1 | 30 | 62% | 37 | 29.91 | 1014.5 | ||||||
| 06 | 12:56 | W 9 | 10.00 | Fair | CLR | 42.1 | 32 | 42.1 | 30 | 68% | 37 | 29.91 | 1014.7 | ||||
| 06 | 11:56 | W 6 | 10.00 | Fair | CLR | 42.1 | 33.1 | 71% | 39 | 29.93 | 1015.2 | ||||||
| 06 | 10:56 | W 5 | 10.00 | Fair | CLR | 37.9 | 34 | 86% | 35 | 29.95 | 1016.2 | ||||||
| 06 | 09:56 | Calm | 7.00 | Partly Cloudy | SCT038 | 39 | 37 | 93% | 29.96 | 1016.4 | |||||||
| 06 | 08:56 | W 5 | 7.00 | Partly Cloudy | FEW005 SCT038 | 34 | 33.1 | 97% | 30 | 29.96 | 1016.5 | ||||||
| 06 | 07:56 | Calm | 3.00 | Fog/Mist | FEW005 OVC031 | 30 | 28.9 | 96% | 29.94 | 1015.9 | |||||||
| 06 | 06:56 | Calm | 6.00 | Unknown Precip Fog/Mist | BKN029 OVC033 | 30 | 28.9 | 30.9 | 28.9 | 96% | 29.95 | 1016.1 | |||||
| 06 | 05:56 | Calm | 6.00 | Fog/Mist | FEW009 OVC027 | 30 | 28.9 | 96% | 29.93 | 1015.5 | |||||||
| 06 | 04:56 | Calm | 7.00 | Overcast | OVC011 | 28.9 | 28 | 96% | 29.93 | 1015.5 | |||||||
| 06 | 03:56 | NW 3 | 5.00 | Fog/Mist | SCT005 BKN010 OVC015 | 28.9 | 28 | 96% | 29.94 | 1015.7 | |||||||
| 06 | 02:56 | W 3 | 5.00 | Fog/Mist | BKN005 OVC014 | 28.9 | 27 | 92% | 29.95 | 1016.2 | |||||||
| 06 | 01:56 | Calm | 6.00 | Fog/Mist | OVC014 | 28.9 | 27 | 92% | 29.94 | 1016.0 | |||||||
| 06 | 00:56 | Calm | 3.00 | Unknown Precip Fog/Mist | BKN012 OVC020 | 28.9 | 28 | 28.9 | 28 | 96% | 29.95 | 1016.4 | |||||
| 05 | 23:56 | Calm | 4.00 | Light Snow Fog/Mist | OVC010 | 28.9 | 28 | 96% | 29.98 | 1017.1 | |||||||
| 05 | 22:56 | Calm | 10.00 | Overcast | OVC012 | 28.9 | 28.9 | 100% | 29.99 | 1017.7 | |||||||
| 05 | 21:56 | Calm | 9.00 | Overcast | OVC006 | 28 | 28 | 100% | 30.01 | 1018.3 | |||||||
| 05 | 20:56 | Calm | 5.00 | Fog/Mist | OVC006 | 28 | 28 | 100% | 30.03 | 1019.0 | |||||||
| 05 | 19:56 | Calm | 9.00 | Overcast | OVC006 | 28 | 27 | 96% | 30.04 | 1019.4 | |||||||
| 05 | 18:56 | Calm | 10.00 | Overcast | OVC008 | 28 | 28 | 30 | 28 | 100% | 30.04 | 1019.2 | |||||
| 05 | 17:56 | Calm | 10.00 | Overcast | OVC010 | 28 | 27 | 96% | 30.05 | 1019.6 | |||||||
| 05 | 16:56 | N 3 | 10.00 | Overcast | OVC010 | 28 | 27 | 96% | 30.07 | 1020.2 | |||||||
| Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||