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. | ||||||||||||||||
| 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 | |||||||
| 23 | 02:56 | Vrbl 6 | 16.09 | Overcast | BKN048 OVC055 | 13 | 0 | 0% | 77.01 | 1028.0 | 0.03 | ||||||
| 23 | 01:56 | Vrbl 6 | 8.05 | Light Rain | OVC046 | 13 | 0 | 13.9 | 13.3 | 0% | 77.04 | 1028.3 | 0.05 | 0.91 | |||
| 23 | 00:56 | Calm | 16.09 | Light Rain | FEW012 BKN055 OVC070 | 13 | 0 | 0% | 77.04 | 1028.3 | 0.15 | ||||||
| 22 | 23:56 | Vrbl 6 | 16.09 | Light Rain | FEW012 BKN050 OVC060 | 14 | 0 | 0% | 77.01 | 1028.1 | 0.13 | ||||||
| 22 | 22:56 | Vrbl 6 | 12.87 | Rain | FEW021 SCT055 OVC070 | 13.9 | 13.9 | 100% | 77.01 | 1028.2 | 0.33 | 0.58 | |||||
| 22 | 21:56 | Vrbl 7 | 12.87 | Light Rain | BKN012 OVC031 | 14 | 0 | 0% | 77.01 | 1027.9 | 0.13 | ||||||
| 22 | 20:56 | Vrbl 7 | 16.09 | Light Rain | OVC008 | 14 | 0 | 0% | 76.99 | 1027.7 | 0.13 | ||||||
| 22 | 19:56 | Vrbl 9 | 16.09 | Light Rain | OVC010 | 14 | 0 | 15 | 13.9 | 0% | 76.91 | 1026.7 | 0.2 | 0.91 | |||
| 22 | 18:56 | Vrbl 6 | 12.87 | Light Rain | OVC008 | 14 | 0 | 0% | 76.91 | 1026.5 | 0.08 | ||||||
| 22 | 17:56 | Vrbl 7 | 11.27 | Light Rain | BKN008 OVC021 | 14 | 0 | 0% | 76.86 | 1025.9 | 0.15 | ||||||
| 22 | 16:56 | Vrbl 9 | 16.09 | Light Rain | OVC010 | 14 | 0 | 0% | 76.84 | 1025.5 | 0.05 | 0.48 | |||||
| 22 | 15:56 | Vrbl 7 | 4.83 | Light Rain Fog/Mist | OVC008 | 14.4 | 14.4 | 100% | 76.84 | 1025.5 | 0.41 | ||||||
| 22 | 14:56 | Vrbl 6 | 9.66 | Light Rain | OVC008 | 15 | 0 | 0% | 76.84 | 1025.5 | 0.03 | ||||||
| 22 | 13:56 | Vrbl 7 | 14.48 | Light Rain | OVC008 | 15 | 15 | 15 | 13.9 | 100% | 76.81 | 1025.4 | 0.13 | 0.3 | |||
| 22 | 12:56 | Vrbl 7 | 14.48 | Light Rain | OVC006 | 14 | 0 | 0% | 76.84 | 1025.6 | 0.05 | ||||||
| 22 | 11:56 | Vrbl 6 | 6.44 | Light Rain | OVC008 | 14 | 0 | 0% | 76.84 | 1025.7 | 0.05 | ||||||
| 22 | 10:56 | Vrbl 6 | 6.44 | Light Rain | OVC008 | 14 | 0 | 0% | 76.78 | 1025.1 | 0.03 | 0.08 | |||||
| 22 | 09:56 | Vrbl 6 | 11.27 | Light Rain | OVC008 | 14.4 | 14.4 | 100% | 76.76 | 1024.7 | 0.05 | ||||||
| 22 | 08:56 | Vrbl 6 | 6.44 | Light Rain | OVC008 | 14 | 0 | 0% | 76.73 | 1024.4 | |||||||
| 22 | 07:56 | Vrbl 6 | 16.09 | Overcast | OVC008 | 14 | 0 | 16.7 | 14.4 | 0% | 76.68 | 1023.7 | 0.1 | 1.09 | |||
| 22 | 05:56 | NE 6 | 12.87 | Rain | OVC006 | 15 | 0 | 0% | 76.61 | 1022.7 | 0.23 | ||||||
| 22 | 04:56 | Vrbl 6 | 9.66 | Rain | OVC006 | 15 | 0 | 0% | 76.53 | 1021.7 | 0.08 | 0.48 | |||||
| 22 | 03:56 | NE 9 | 4.02 | Light Rain | BKN008 OVC015 | 16 | 0 | 0% | 76.53 | 1021.6 | 0.33 | ||||||
| 22 | 02:56 | Vrbl 6 | 4.83 | Light Rain | OVC006 | 17 | 0 | 0% | 76.48 | 1020.9 | 0.08 | ||||||
| 22 | 01:56 | Vrbl 6 | 3.22 | Light Rain | OVC006 | 17 | 0 | 17.2 | 16.7 | 0% | 76.5 | 1020.9 | 0.08 | 0.25 | |||
| 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) | |||||||||||||||