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. | ||||||||||||||||
| 26 | 02:56 | Vrbl 11 | 16.09 | Fair | CLR | 14.4 | 8.9 | 70% | 76.07 | 1015.4 | |||||||
| 26 | 01:56 | Vrbl 7 | 16.09 | Fair | CLR | 14.4 | 8.9 | 15.6 | 13.9 | 70% | 76.12 | 1015.8 | |||||
| 26 | 00:56 | Vrbl 11 | 16.09 | Fair | CLR | 15 | 8.3 | 64% | 76.17 | 1016.5 | |||||||
| 25 | 23:56 | Vrbl 6 | 16.09 | Fair | CLR | 14.4 | 8.3 | 67% | 76.2 | 1017.2 | |||||||
| 25 | 22:56 | Vrbl 6 | 16.09 | Fair | CLR | 15 | 8.3 | 64% | 76.25 | 1017.8 | |||||||
| 25 | 21:56 | Vrbl 6 | 16.09 | Fair | CLR | 15 | 8.3 | 64% | 76.28 | 1018.2 | |||||||
| 25 | 20:56 | Vrbl 6 | 16.09 | Fair | CLR | 14.4 | 8.3 | 67% | 76.3 | 1018.7 | |||||||
| 25 | 19:56 | NW 7 | 16.09 | Fair | CLR | 15.6 | 7.8 | 22.8 | 15.6 | 60% | 76.3 | 1018.7 | |||||
| 25 | 18:56 | Vrbl 6 | 16.09 | Fair | CLR | 17.8 | 7.2 | 50% | 76.28 | 1018.2 | |||||||
| 25 | 17:56 | Calm | 16.09 | Fair | CLR | 20 | 7.8 | 45% | 76.3 | 1018.5 | |||||||
| 25 | 16:56 | Vrbl 7 | 16.09 | Fair | CLR | 21.1 | 7.2 | 41% | 76.33 | 1018.8 | |||||||
| 25 | 15:56 | Vrbl 7 | 16.09 | Fair | CLR | 22.2 | 7.8 | 40% | 76.35 | 1019.2 | |||||||
| 25 | 14:56 | Vrbl 7 | 16.09 | Fair | CLR | 22.8 | 7.2 | 37% | 76.38 | 1019.6 | |||||||
| 25 | 13:56 | Vrbl 11 | 16.09 | Fair | CLR | 21.7 | 7.8 | 21.7 | 10 | 41% | 76.43 | 1020.3 | |||||
| 25 | 12:56 | Vrbl 6 | 16.09 | Fair | CLR | 21.1 | 8.3 | 44% | 76.53 | 1021.6 | |||||||
| 25 | 11:56 | Vrbl 7 | 16.09 | Fair | CLR | 19.4 | 7.2 | 45% | 76.58 | 1022.0 | |||||||
| 25 | 10:56 | Vrbl 9 | 16.09 | Fair | CLR | 17.2 | 8.3 | 56% | 76.61 | 1022.5 | |||||||
| 25 | 09:56 | Calm | 16.09 | Fair | CLR | 14.4 | 7.8 | 65% | 76.61 | 1022.7 | |||||||
| 25 | 08:56 | Calm | 16.09 | Fair | CLR | 11.7 | 7.2 | 74% | 76.63 | 1023.0 | |||||||
| 25 | 07:56 | Vrbl 6 | 16.09 | Fair | CLR | 10 | 6.1 | 10 | 8.9 | 77% | 76.61 | 1022.9 | |||||
| 25 | 06:56 | Calm | 16.09 | Fair | CLR | 9.4 | 6.1 | 80% | 76.61 | 1022.8 | |||||||
| 25 | 05:56 | Calm | 16.09 | Fair | CLR | 9.4 | 6.1 | 80% | 76.66 | 1023.3 | |||||||
| 25 | 04:56 | Calm | 16.09 | Fair | CLR | 10 | 6.1 | 77% | 76.66 | 1023.2 | |||||||
| 25 | 03:56 | Vrbl 6 | 16.09 | Fair | CLR | 8.9 | 7.2 | 89% | 76.66 | 1023.4 | |||||||
| 25 | 02:56 | Calm | 16.09 | Fair | CLR | 9.4 | 7.8 | 90% | 76.73 | 1024.3 | |||||||
| 25 | 01:56 | Calm | 16.09 | Fair | CLR | 9.4 | 7.8 | 13.3 | 8.9 | 90% | 76.78 | 1025.1 | |||||
| 25 | 00:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 76.84 | 1025.7 | |||||||
| 24 | 23:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 76.86 | 1026.2 | |||||||
| 24 | 22:56 | Calm | 16.09 | Fair | CLR | 10 | 10 | 100% | 76.89 | 1026.4 | |||||||
| 24 | 21:56 | Calm | 16.09 | Fair | CLR | 10.6 | 10.6 | 100% | 76.89 | 1026.6 | |||||||
| 24 | 19:56 | Calm | 16.09 | Fair | CLR | 13.3 | 10 | 19.4 | 13.3 | 81% | 76.94 | 1027.1 | |||||
| 24 | 18:56 | Calm | 16.09 | Fair | CLR | 16.1 | 8.3 | 60% | 76.91 | 1026.9 | |||||||
| 24 | 17:56 | Vrbl 7 | 16.09 | Fair | CLR | 18.9 | 8.3 | 50% | 76.94 | 1026.9 | |||||||
| 24 | 16:56 | Vrbl 6 | 16.09 | Fair | CLR | 18.9 | 8.3 | 50% | 76.94 | 1026.9 | |||||||
| 24 | 15:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW037 | 18.3 | 8.3 | 52% | 76.96 | 1027.5 | |||||||
| 24 | 14:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN035 | 18.3 | 8.9 | 54% | 77.01 | 1028.2 | |||||||
| 24 | 13:56 | Vrbl 11 | 16.09 | Overcast | OVC033 | 16.7 | 10.6 | 17.2 | 9.4 | 67% | 77.09 | 1029.0 | |||||
| 24 | 12:56 | Vrbl 7 | 16.09 | Overcast | OVC035 | 17.2 | 10.6 | 65% | 77.11 | 1029.6 | |||||||
| 24 | 11:56 | Vrbl 7 | 16.09 | Overcast | OVC029 | 16.1 | 10 | 67% | 77.17 | 1030.3 | |||||||
| 24 | 10:56 | Vrbl 7 | 16.09 | Overcast | OVC027 | 14.4 | 10 | 75% | 77.22 | 1030.7 | |||||||
| 24 | 09:56 | Vrbl 7 | 16.09 | Mostly Cloudy | FEW031 BKN041 | 13.3 | 9.4 | 77% | 77.24 | 1031.0 | |||||||
| 24 | 08:56 | Vrbl 9 | 16.09 | Partly Cloudy | SCT028 | 11.1 | 8.3 | 83% | 77.22 | 1030.8 | |||||||
| 24 | 07:56 | Calm | 16.09 | Mostly Cloudy | BKN028 | 9.4 | 8.9 | 10 | 8.3 | 97% | 77.19 | 1030.6 | |||||
| 24 | 06:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW029 | 8.3 | 8.3 | 100% | 77.17 | 1030.1 | |||||||
| 24 | 05:56 | Vrbl 6 | 16.09 | Fair | CLR | 8.9 | 8.9 | 100% | 77.17 | 1030.1 | |||||||
| 24 | 04:56 | Calm | 16.09 | Fair | CLR | 8.9 | 8.9 | 100% | 77.17 | 1030.2 | |||||||
| 24 | 03:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 77.17 | 1030.0 | |||||||
| 24 | 02:56 | Calm | 16.09 | Partly Cloudy | SCT033 | 9 | 0 | 0% | 77.19 | 1030.4 | |||||||
| 24 | 01:56 | Calm | 16.09 | Fair | CLR | 10 | 10 | 15.6 | 9.4 | 100% | 77.19 | 1030.7 | |||||
| 24 | 00:56 | Calm | 16.09 | Fair | CLR | 10.6 | 10.6 | 100% | 77.22 | 1030.9 | |||||||
| 23 | 23:56 | Calm | 16.09 | Partly Cloudy | SCT120 | 11.1 | 11.1 | 100% | 77.24 | 1031.1 | |||||||
| 23 | 22:56 | Calm | 16.09 | Overcast | OVC120 | 12.8 | 11.1 | 90% | 77.24 | 1031.2 | |||||||
| 23 | 21:56 | Calm | 16.09 | Overcast | OVC110 | 13.3 | 11.7 | 90% | 77.24 | 1031.3 | |||||||
| 23 | 20:56 | Calm | 16.09 | Partly Cloudy | SCT110 | 13.9 | 12.2 | 90% | 77.24 | 1031.2 | |||||||
| 23 | 19:56 | Calm | 16.09 | Overcast | OVC100 | 15.6 | 11.7 | 17.8 | 15.6 | 78% | 77.19 | 1030.5 | |||||
| 23 | 18:56 | Vrbl 6 | 16.09 | Overcast | OVC100 | 16.1 | 12.2 | 78% | 77.17 | 1030.0 | |||||||
| 23 | 17:56 | Vrbl 7 | 16.09 | Overcast | FEW037 OVC095 | 16.7 | 12.8 | 78% | 77.14 | 1029.7 | |||||||
| 23 | 16:56 | NE 11 | 16.09 | Overcast | FEW034 SCT080 OVC090 | 17.2 | 11.7 | 70% | 77.17 | 1029.9 | |||||||
| 23 | 15:56 | Vrbl 9 | 16.09 | Overcast | OVC029 | 17.2 | 12.8 | 76% | 77.17 | 1030.1 | |||||||
| 23 | 14:56 | Vrbl 9 | 16.09 | Overcast | OVC025 | 16.7 | 13.3 | 80% | 77.17 | 1030.1 | |||||||
| 23 | 13:56 | Vrbl 9 | 16.09 | Overcast | FEW019 OVC025 | 15.6 | 12.8 | 15.6 | 11.7 | 84% | 77.22 | 1030.5 | |||||
| 23 | 12:56 | Vrbl 6 | 16.09 | Overcast | FEW011 BKN021 OVC043 | 14.4 | 13.9 | 97% | 77.24 | 1031.0 | |||||||
| 23 | 11:56 | Calm | 8.05 | Light Rain Fog/Mist | BKN007 OVC012 | 12.8 | 12.8 | 100% | 77.27 | 1031.4 | |||||||
| 23 | 10:56 | Calm | 16.09 | Overcast | OVC016 | 12.2 | 11.7 | 97% | 77.27 | 1031.6 | |||||||
| 23 | 09:56 | Vrbl 7 | 16.09 | Overcast | OVC020 | 11.7 | 11.1 | 96% | 77.24 | 1031.1 | |||||||
| 23 | 08:56 | Vrbl 7 | 16.09 | Overcast | BKN020 OVC027 | 11.7 | 11.7 | 100% | 77.19 | 1030.5 | |||||||
| 23 | 07:56 | Vrbl 7 | 16.09 | Overcast | OVC025 | 11.7 | 11.7 | 13.3 | 11.7 | 100% | 77.17 | 1030.1 | 0.03 | ||||
| 23 | 06:56 | Calm | 16.09 | Overcast | FEW032 OVC043 | 12.2 | 12.2 | 100% | 77.09 | 1029.2 | |||||||
| 23 | 05:56 | Vrbl 6 | 16.09 | Overcast | FEW017 OVC028 | 13 | 0 | 0% | 77.09 | 1029.0 | |||||||
| 23 | 04:56 | Calm | 16.09 | Overcast | OVC026 | 13 | 0 | 0% | 77.04 | 1028.5 | 0.03 | ||||||
| 23 | 03:56 | Vrbl 7 | 16.09 | Overcast | FEW032 BKN043 OVC050 | 13 | 0 | 0% | 77.01 | 1028.1 | |||||||
| 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) | |||||||||||||||