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. | ||||||||||||||||
| 24 | 14:56 | Vrbl 7 | 16.09 | Fair | CLR | 26.7 | 14.4 | 47% | 27 | 76.68 | 1023.2 | ||||||
| 24 | 13:56 | Calm | 16.09 | Fair | CLR | 25.6 | 15 | 26.7 | 18.9 | 52% | 26 | 76.71 | 1023.8 | ||||
| 24 | 12:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN049 | 25 | 16.1 | 58% | 26 | 76.76 | 1024.3 | ||||||
| 24 | 11:56 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN046 | 26.1 | 16.1 | 54% | 27 | 76.78 | 1024.9 | ||||||
| 24 | 10:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW043 | 24.4 | 15.6 | 58% | 26 | 76.81 | 1025.1 | ||||||
| 24 | 09:56 | Vrbl 7 | 16.09 | Fair | CLR | 23.9 | 17.8 | 69% | 25 | 76.84 | 1025.3 | ||||||
| 24 | 08:56 | Vrbl 6 | 16.09 | Fair | CLR | 21.1 | 16.7 | 76% | 76.81 | 1025.1 | |||||||
| 24 | 07:56 | Calm | 16.09 | Fair | CLR | 18.9 | 16.1 | 18.9 | 12.8 | 84% | 76.81 | 1025.2 | |||||
| 24 | 06:56 | Calm | 16.09 | Fair | CLR | 14 | 0 | 0% | 76.78 | 1024.8 | |||||||
| 24 | 05:56 | Calm | 16.09 | Fair | CLR | 13 | 0 | 0% | 76.76 | 1024.2 | |||||||
| 24 | 04:56 | Calm | 16.09 | Fair | CLR | 13.3 | 13.3 | 100% | 76.73 | 1024.2 | |||||||
| 24 | 03:56 | Calm | 16.09 | Fair | CLR | 13.9 | 13.9 | 100% | 76.73 | 1024.0 | |||||||
| 24 | 02:56 | Calm | 16.09 | Fair | CLR | 14 | 0 | 0% | 76.71 | 1023.9 | |||||||
| 24 | 01:56 | Calm | 16.09 | Fair | CLR | 15 | 15 | 22.8 | 15 | 100% | 76.73 | 1023.9 | |||||
| 24 | 00:56 | Calm | 16.09 | Fair | CLR | 15.6 | 13.9 | 90% | 76.73 | 1023.9 | |||||||
| 23 | 23:56 | Calm | 16.09 | Fair | CLR | 16.1 | 16.1 | 100% | 76.73 | 1024.0 | |||||||
| 23 | 22:56 | Calm | 16.09 | Fair | CLR | 17.2 | 13.9 | 81% | 76.73 | 1023.8 | |||||||
| 23 | 21:56 | Calm | 16.09 | Fair | CLR | 18.9 | 12.8 | 68% | 76.71 | 1023.5 | |||||||
| 23 | 20:56 | Calm | 16.09 | Fair | CLR | 19.4 | 12.8 | 66% | 76.66 | 1023.1 | |||||||
| 23 | 19:56 | Calm | 16.09 | Fair | CLR | 22.8 | 14.4 | 27.8 | 22.8 | 59% | 76.63 | 1022.7 | |||||
| 23 | 18:56 | Calm | 16.09 | Fair | CLR | 25.6 | 12.2 | 43% | 26 | 76.63 | 1022.7 | ||||||
| 23 | 17:56 | Calm | 16.09 | Fair | CLR | 26.7 | 12.2 | 41% | 27 | 76.63 | 1022.7 | ||||||
| 23 | 16:56 | Vrbl 6 | 16.09 | Fair | CLR | 26.7 | 11.1 | 38% | 27 | 76.63 | 1022.7 | ||||||
| 23 | 15:56 | Vrbl 7 | 16.09 | Fair | CLR | 26.1 | 11.1 | 39% | 26 | 76.63 | 1022.6 | ||||||
| 23 | 14:56 | Calm | 16.09 | Fair | CLR | 26.1 | 11.1 | 39% | 26 | 76.63 | 1022.7 | ||||||
| 23 | 13:56 | NW 7 | 16.09 | Fair | CLR | 25.6 | 12.2 | 25.6 | 17.8 | 43% | 26 | 76.66 | 1022.9 | ||||
| 23 | 12:56 | Vrbl 6 | 16.09 | Fair | CLR | 25 | 12.8 | 47% | 26 | 76.68 | 1023.3 | ||||||
| 23 | 11:56 | Calm | 16.09 | Fair | CLR | 23.9 | 11.7 | 46% | 25 | 76.71 | 1023.5 | ||||||
| 23 | 10:56 | Calm | 16.09 | A Few Clouds | FEW042 | 23.3 | 13.3 | 54% | 76.71 | 1023.5 | |||||||
| 23 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 21.7 | 13.3 | 59% | 76.68 | 1023.4 | |||||||
| 23 | 08:56 | Vrbl 6 | 16.09 | Fair | CLR | 19.4 | 13.3 | 68% | 76.66 | 1023.0 | |||||||
| 23 | 07:56 | Calm | 16.09 | Fair | CLR | 17.8 | 13.9 | 20 | 15 | 78% | 76.63 | 1022.7 | |||||
| 23 | 06:56 | Calm | 16.09 | Fair | CLR | 15.6 | 14.4 | 93% | 76.56 | 1021.7 | |||||||
| 23 | 05:56 | Calm | 16.09 | Fair | CLR | 15 | 13.9 | 93% | 76.48 | 1020.7 | |||||||
| 23 | 04:56 | Calm | 16.09 | Fair | CLR | 15.6 | 14.4 | 93% | 76.43 | 1019.8 | |||||||
| 23 | 03:56 | Calm | 16.09 | Fair | CLR | 17.2 | 13.3 | 78% | 76.38 | 1019.1 | |||||||
| 23 | 02:56 | Calm | 16.09 | Mostly Cloudy | SCT075 BKN090 | 17.8 | 13.9 | 78% | 76.33 | 1018.6 | |||||||
| 23 | 01:56 | Calm | 16.09 | Overcast | BKN070 OVC090 | 20 | 12.8 | 26.1 | 19.4 | 63% | 76.3 | 1018.3 | |||||
| 23 | 00:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN070 BKN085 | 20.6 | 12.8 | 61% | 76.25 | 1017.6 | |||||||
| 22 | 23:56 | Calm | 16.09 | Overcast | OVC070 | 21.7 | 12.8 | 57% | 76.23 | 1017.0 | |||||||
| 22 | 22:56 | Vrbl 7 | 16.09 | Mostly Cloudy | SCT065 BKN080 | 21.7 | 13.3 | 59% | 76.17 | 1016.4 | |||||||
| 22 | 21:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW070 | 22.8 | 15 | 62% | 76.12 | 1015.8 | |||||||
| 22 | 20:56 | Calm | 16.09 | Overcast | OVC075 | 24.4 | 17.2 | 64% | 25 | 76.05 | 1014.8 | ||||||
| 22 | 19:56 | NW 6 | 16.09 | Mostly Cloudy | SCT070 BKN090 | 26.1 | 17.8 | 30 | 26.1 | 60% | 27 | 76 | 1013.9 | ||||
| 22 | 18:56 | Vrbl 9 | 16.09 | Fair | CLR | 28.3 | 17.8 | 53% | 29 | 75.92 | 1012.9 | ||||||
| 22 | 17:56 | NW 17 | 16.09 | Fair | CLR | 28.9 | 17.8 | 51% | 30 | 75.9 | 1012.6 | ||||||
| 22 | 16:56 | W 15 G 30 | 16.09 | Fair | CLR | 30 | 18.9 | 51% | 31 | 75.84 | 1011.8 | ||||||
| 22 | 15:56 | NW 17 | 16.09 | A Few Clouds | FEW060 | 30 | 18.9 | 51% | 31 | 75.84 | 1011.9 | ||||||
| 22 | 14:56 | NW 22 G 30 | 16.09 | Fair | CLR | 29.4 | 18.9 | 53% | 31 | 75.87 | 1012.3 | ||||||
| 22 | 13:56 | NW 17 G 28 | 16.09 | Mostly Cloudy | FEW050 BKN070 BKN095 | 28.3 | 18.9 | 30 | 22.2 | 57% | 30 | 75.87 | 1012.2 | ||||
| 22 | 12:56 | W 15 G 26 | 16.09 | Mostly Cloudy | FEW043 BKN090 | 28.9 | 20 | 59% | 31 | 75.87 | 1012.2 | ||||||
| 22 | 11:56 | SW 11 | 16.09 | Partly Cloudy | FEW041 SCT050 SCT095 | 28.9 | 20.6 | 61% | 31 | 75.9 | 1012.5 | ||||||
| 22 | 10:56 | W 15 | 16.09 | A Few Clouds | FEW095 | 27.8 | 21.7 | 69% | 30 | 75.87 | 1012.2 | ||||||
| 22 | 09:56 | W 13 | 16.09 | Fair | CLR | 26.7 | 21.7 | 74% | 29 | 75.87 | 1012.2 | ||||||
| 22 | 08:56 | W 11 | 16.09 | Fair | CLR | 24.4 | 23.3 | 94% | 24 | 75.84 | 1012.0 | ||||||
| 22 | 07:56 | W 7 | 16.09 | Fair | CLR | 22 | 0 | 22.2 | 20 | 0% | 75.79 | 1011.3 | |||||
| 22 | 06:56 | NW 6 | 16.09 | Fair | CLR | 20 | 0 | 0% | 75.72 | 1010.4 | |||||||
| 22 | 05:56 | W 6 | 11.27 | Fair | CLR | 20 | 0 | 0% | 75.64 | 1009.4 | |||||||
| 22 | 04:56 | Calm | 16.09 | A Few Clouds | FEW095 | 21 | 0 | 0% | 75.57 | 1008.2 | |||||||
| 22 | 03:56 | S 6 | 16.09 | Fair | CLR | 21 | 0 | 0% | 75.54 | 1007.8 | |||||||
| 22 | 02:56 | Calm | 9.66 | Fair with Haze | CLR | 20 | 0 | 0% | 75.51 | 1007.5 | |||||||
| 22 | 01:56 | SE 7 | 11.27 | Fair | CLR | 20 | 0 | 22.2 | 20 | 0% | 75.49 | 1007.0 | 1.5 | ||||
| 22 | 00:56 | Calm | 16.09 | A Few Clouds | FEW075 | 21 | 0 | 0% | 75.59 | 1008.4 | |||||||
| 21 | 23:56 | S 7 | 16.09 | Mostly Cloudy | BKN110 | 21 | 0 | 0% | 75.59 | 1008.6 | |||||||
| 21 | 22:56 | SW 6 | 16.09 | Partly Cloudy | FEW006 SCT120 | 22 | 0 | 0% | 75.59 | 1008.6 | 0.05 | 1.5 | |||||
| 21 | 21:56 | SE 22 | 16.09 | Rain | BKN110 | 22 | 0 | 0% | 75.54 | 1007.7 | 0.41 | ||||||
| 21 | 20:56 | W 9 | 11.27 | Thunderstorm in Vicinity Light Rain | SCT004 SCT025 OVC100 | 22 | 0 | 0% | 75.69 | 1010.1 | 1.04 | ||||||
| 21 | 19:56 | SE 9 | 11.27 | Thunderstorm Rain | BKN034 BKN047 OVC075 | 23 | 0 | 31.1 | 22.2 | 0% | 75.67 | 1009.5 | 0.13 | 2.59 | |||
| 21 | 18:56 | Vrbl 6 | 16.09 | Light Rain | FEW028 OVC035 | 23 | 0 | 0% | 75.62 | 1009.0 | 2.29 | ||||||
| 21 | 17:56 | S 26 G 33 | 6.44 | Thunderstorm Rain | SCT023 BKN029 OVC065 | 26.7 | 23.9 | 85% | 29 | 75.64 | 1009.3 | 0.18 | |||||
| 21 | 16:56 | SW 7 | 16.09 | Mostly Cloudy | FEW032 BKN045 | 30 | 23.9 | 70% | 35 | 75.57 | 1008.1 | ||||||
| 21 | 15:56 | SW 11 | 16.09 | A Few Clouds | FEW048 | 31.1 | 23.3 | 63% | 36 | 75.62 | 1008.7 | ||||||
| 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) | |||||||||||||||