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. | ||||||||||||||||
| 14 | 10:56 | SW 7 | 16.09 | Fair | CLR | 28.3 | 20.6 | 63% | 30 | 76.68 | 1023.2 | ||||||
| 14 | 09:56 | W 13 | 16.09 | Fair | CLR | 26.7 | 20.6 | 69% | 28 | 76.71 | 1023.4 | ||||||
| 14 | 08:56 | W 9 | 16.09 | Fair | CLR | 25 | 20.6 | 77% | 26 | 76.68 | 1023.3 | ||||||
| 14 | 07:56 | Vrbl 9 | 16.09 | Fair | CLR | 22.8 | 20.6 | 22.8 | 17.8 | 87% | 76.68 | 1023.2 | |||||
| 14 | 06:56 | Calm | 16.09 | Fair | CLR | 18 | 0 | 0% | 76.68 | 1023.5 | |||||||
| 14 | 05:56 | Calm | 16.09 | Fair | CLR | 18 | 0 | 0% | 76.68 | 1023.3 | |||||||
| 14 | 04:56 | Calm | 16.09 | Fair | CLR | 19 | 0 | 0% | 76.66 | 1023.0 | |||||||
| 14 | 03:56 | Calm | 16.09 | Fair | CLR | 19.4 | 19.4 | 100% | 76.68 | 1023.1 | |||||||
| 14 | 02:56 | Calm | 16.09 | Fair | CLR | 21.1 | 19.4 | 90% | 76.66 | 1022.9 | |||||||
| 14 | 01:56 | Calm | 16.09 | Fair | CLR | 20 | 18.9 | 26.7 | 18.3 | 93% | 76.71 | 1023.4 | |||||
| 14 | 00:56 | Calm | 16.09 | Fair | CLR | 19.4 | 17.8 | 91% | 76.73 | 1023.7 | |||||||
| 13 | 23:56 | Calm | 16.09 | Fair | CLR | 19.4 | 18.3 | 93% | 76.76 | 1024.2 | |||||||
| 13 | 22:56 | Calm | 16.09 | Fair | CLR | 21.1 | 15 | 68% | 76.76 | 1024.3 | |||||||
| 13 | 21:56 | SE 6 | 16.09 | Fair | CLR | 22.8 | 15.6 | 64% | 76.73 | 1023.8 | |||||||
| 13 | 20:56 | SE 7 | 16.09 | Fair | CLR | 23.9 | 16.1 | 62% | 25 | 76.71 | 1023.5 | ||||||
| 13 | 19:56 | Vrbl 6 | 16.09 | Fair | CLR | 26.7 | 16.1 | 31.1 | 26.7 | 52% | 27 | 76.71 | 1023.7 | ||||
| 13 | 18:56 | Calm | 16.09 | Fair | CLR | 27.8 | 16.7 | 51% | 28 | 76.68 | 1023.1 | ||||||
| 13 | 17:56 | Vrbl 7 | 16.09 | Fair | CLR | 29.4 | 17.2 | 48% | 30 | 76.66 | 1023.0 | ||||||
| 13 | 16:56 | SE 11 | 16.09 | Fair | CLR | 30 | 15.6 | 42% | 30 | 76.66 | 1023.0 | ||||||
| 13 | 15:56 | Calm | 16.09 | Fair | CLR | 30.6 | 14.4 | 37% | 30 | 76.71 | 1023.5 | ||||||
| 13 | 14:56 | SE 11 | 16.09 | Fair | CLR | 29.4 | 14.4 | 40% | 29 | 76.73 | 1023.9 | ||||||
| 13 | 13:56 | SE 15 | 16.09 | Fair | CLR | 28.9 | 16.1 | 28.9 | 21.1 | 46% | 29 | 76.76 | 1024.3 | ||||
| 13 | 12:56 | SE 15 | 16.09 | Fair | CLR | 28.3 | 16.1 | 48% | 29 | 76.84 | 1025.1 | ||||||
| 13 | 11:56 | SE 17 | 16.09 | Fair | CLR | 27.2 | 16.7 | 53% | 28 | 76.86 | 1025.7 | ||||||
| 13 | 10:56 | SE 15 | 16.09 | Fair | CLR | 26.7 | 16.7 | 54% | 27 | 76.89 | 1025.9 | ||||||
| 13 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 25.6 | 18.9 | 67% | 27 | 76.89 | 1025.8 | ||||||
| 13 | 08:56 | SE 7 | 16.09 | Fair | CLR | 23.3 | 19.4 | 79% | 76.89 | 1025.8 | |||||||
| 13 | 07:56 | Calm | 16.09 | Fair | CLR | 21.7 | 19.4 | 21.7 | 16.7 | 87% | 76.86 | 1025.5 | |||||
| 13 | 06:56 | Calm | 16.09 | Fair | CLR | 18.3 | 18.3 | 100% | 76.81 | 1025.1 | |||||||
| 13 | 05:56 | Calm | 16.09 | Fair | CLR | 17 | 0 | 0% | 76.76 | 1024.4 | |||||||
| 13 | 04:56 | Calm | 16.09 | Fair | CLR | 17 | 0 | 0% | 76.73 | 1024.2 | |||||||
| 13 | 03:56 | Calm | 16.09 | Fair | CLR | 17.2 | 17.2 | 100% | 76.73 | 1024.0 | |||||||
| 13 | 02:56 | Calm | 16.09 | Fair | CLR | 17.8 | 17.8 | 100% | 76.76 | 1024.2 | |||||||
| 13 | 01:56 | Calm | 16.09 | Fair | CLR | 18.3 | 17.8 | 25 | 18.3 | 97% | 76.78 | 1024.7 | |||||
| 13 | 00:56 | Calm | 16.09 | Fair | CLR | 19.4 | 17.2 | 87% | 76.78 | 1024.5 | |||||||
| 12 | 23:56 | Calm | 16.09 | Mostly Cloudy | BKN100 | 20.6 | 17.2 | 81% | 76.76 | 1024.3 | |||||||
| 12 | 22:56 | SE 6 | 16.09 | Overcast | OVC120 | 22.2 | 16.1 | 68% | 76.76 | 1024.3 | |||||||
| 12 | 21:56 | SE 11 | 16.09 | Overcast | OVC100 | 23.9 | 15.6 | 60% | 25 | 76.73 | 1023.9 | ||||||
| 12 | 20:56 | SE 13 | 16.09 | Overcast | OVC110 | 24.4 | 16.1 | 60% | 26 | 76.68 | 1023.1 | ||||||
| 12 | 19:56 | SE 9 | 16.09 | Mostly Cloudy | BKN120 | 25.6 | 17.8 | 29.4 | 25.6 | 62% | 27 | 76.68 | 1023.3 | ||||
| 12 | 18:56 | SE 13 | 16.09 | Overcast | BKN047 OVC055 | 26.1 | 18.3 | 62% | 27 | 76.66 | 1022.8 | ||||||
| 12 | 17:56 | Vrbl 9 | 16.09 | Partly Cloudy | SCT047 | 27.2 | 20.6 | 67% | 29 | 76.63 | 1022.4 | ||||||
| 12 | 16:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN045 BKN055 | 26.7 | 22.2 | 76% | 29 | 76.61 | 1022.2 | ||||||
| 12 | 15:56 | Vrbl 11 | 9.66 | Partly Cloudy with Haze | FEW031 SCT040 | 28.3 | 21.1 | 65% | 31 | 76.61 | 1022.0 | ||||||
| 12 | 14:56 | Vrbl 7 | 16.09 | Partly Cloudy | FEW027 SCT110 | 27.2 | 22.8 | 77% | 30 | 76.63 | 1022.4 | ||||||
| 12 | 13:56 | SE 11 | 16.09 | Partly Cloudy | FEW026 SCT110 | 28.3 | 22.2 | 28.9 | 23.9 | 70% | 31 | 76.63 | 1022.4 | ||||
| 12 | 12:56 | Vrbl 6 | 16.09 | Mostly Cloudy | SCT024 BKN032 | 27.8 | 22.2 | 72% | 30 | 76.66 | 1022.9 | ||||||
| 12 | 11:56 | Vrbl 9 | 16.09 | Partly Cloudy | FEW018 SCT031 | 27.2 | 22.2 | 74% | 30 | 76.68 | 1023.2 | ||||||
| 12 | 10:56 | Calm | 16.09 | Overcast | SCT016 BKN024 OVC031 | 25 | 22.8 | 88% | 26 | 76.66 | 1022.9 | ||||||
| 12 | 09:56 | Vrbl 6 | 16.09 | Overcast | OVC020 | 23.9 | 22.8 | 94% | 23 | 76.66 | 1022.8 | ||||||
| 12 | 08:56 | Vrbl 7 | 16.09 | Overcast | BKN016 OVC022 | 23.9 | 22.8 | 94% | 23 | 76.61 | 1022.2 | ||||||
| 12 | 07:56 | Vrbl 7 | 16.09 | Overcast | SCT012 OVC110 | 23.9 | 23.3 | 23.9 | 21.7 | 96% | 23 | 76.56 | 1021.4 | ||||
| 12 | 06:56 | Calm | 16.09 | Mostly Cloudy | FEW010 BKN015 | 22 | 0 | 0% | 76.5 | 1020.8 | |||||||
| 12 | 05:56 | Calm | 16.09 | Overcast | BKN018 OVC027 | 22 | 0 | 0% | 76.45 | 1020.0 | |||||||
| 12 | 04:56 | Calm | 16.09 | Overcast | OVC014 | 22 | 0 | 0% | 76.43 | 1019.5 | |||||||
| 12 | 03:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW012 | 22 | 0 | 0% | 76.38 | 1019.0 | |||||||
| 12 | 02:56 | Calm | 16.09 | A Few Clouds | FEW015 | 22 | 0 | 0% | 76.35 | 1018.7 | |||||||
| 12 | 01:56 | Calm | 16.09 | Overcast | OVC021 | 23 | 0 | 26.7 | 22.8 | 0% | 76.35 | 1018.6 | |||||
| 12 | 00:56 | Calm | 16.09 | Overcast | BKN013 OVC019 | 22.8 | 22.8 | 100% | 76.35 | 1018.7 | |||||||
| 11 | 23:56 | Calm | 16.09 | Mostly Cloudy | BKN017 | 23.3 | 23.3 | 100% | 76.33 | 1018.4 | |||||||
| 11 | 22:56 | Calm | 16.09 | Fair | CLR | 23.9 | 23.3 | 96% | 23 | 76.3 | 1017.8 | ||||||
| 11 | 21:56 | Calm | 16.09 | Partly Cloudy | SCT110 | 24.4 | 22.2 | 88% | 25 | 76.23 | 1017.1 | ||||||
| 11 | 20:56 | Vrbl 6 | 16.09 | Thunderstorm in Vicinity | FEW037 SCT065 BKN110 | 25.6 | 21.7 | 79% | 27 | 76.2 | 1016.6 | ||||||
| 11 | 19:56 | Calm | 16.09 | Fair | CLR | 26.7 | 25 | 30.6 | 26.7 | 90% | 30 | 76.15 | 1016.0 | ||||
| 11 | 18:56 | Calm | 16.09 | Partly Cloudy | SCT037 | 27.8 | 24.4 | 82% | 32 | 76.1 | 1015.4 | ||||||
| 11 | 17:56 | Calm | 16.09 | Fair | CLR | 28.9 | 23.9 | 74% | 33 | 76.07 | 1015.0 | ||||||
| 11 | 16:56 | NW 11 | 16.09 | A Few Clouds | FEW036 | 30 | 22.2 | 63% | 33 | 76.05 | 1014.7 | ||||||
| 11 | 15:56 | W 9 | 12.87 | Mostly Cloudy | BKN035 | 30 | 22.8 | 65% | 34 | 76.07 | 1014.7 | ||||||
| 11 | 14:56 | W 13 | 11.27 | Partly Cloudy | SCT031 | 29.4 | 23.3 | 70% | 34 | 76.1 | 1015.3 | ||||||
| 11 | 13:56 | Vrbl 6 | 16.09 | Mostly Cloudy | FEW034 SCT044 BKN065 | 28.3 | 23.9 | 28.9 | 22.8 | 77% | 32 | 76.12 | 1015.8 | ||||
| 11 | 12:56 | Vrbl 7 | 16.09 | Mostly Cloudy | SCT031 BKN040 BKN048 | 28.9 | 22.2 | 67% | 32 | 76.17 | 1016.2 | ||||||
| 11 | 11:56 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN029 | 27.8 | 22.2 | 72% | 30 | 76.17 | 1016.3 | ||||||
| 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) | |||||||||||||||