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 | 08:56 | Vrbl 11 | 16.09 | Overcast | OVC011 | 12.2 | 11.7 | 97% | 75.97 | 1014.0 | |||||||
| 25 | 07:56 | Vrbl 6 | 16.09 | Overcast | OVC011 | 12.2 | 11.7 | 13.9 | 11.1 | 97% | 75.92 | 1013.5 | |||||
| 25 | 06:56 | Calm | 16.09 | Overcast | OVC011 | 11.7 | 11.7 | 100% | 75.87 | 1012.8 | |||||||
| 25 | 05:56 | E 7 | 16.09 | Partly Cloudy | SCT011 | 11.1 | 11.1 | 100% | 75.79 | 1011.7 | |||||||
| 25 | 04:56 | Vrbl 7 | 16.09 | A Few Clouds | FEW090 | 11.7 | 10 | 89% | 75.79 | 1011.6 | |||||||
| 25 | 03:56 | Vrbl 7 | 16.09 | Fair | CLR | 12.2 | 12.2 | 100% | 75.77 | 1011.2 | |||||||
| 25 | 02:56 | Vrbl 6 | 16.09 | Fair | CLR | 13.3 | 11.7 | 90% | 75.72 | 1010.5 | |||||||
| 25 | 01:56 | E 7 | 16.09 | Fair | CLR | 13.9 | 13.9 | 19.4 | 13.9 | 100% | 75.72 | 1010.4 | 0.03 | ||||
| 25 | 00:56 | Calm | 16.09 | Partly Cloudy | SCT100 | 15 | 14.4 | 96% | 75.74 | 1010.8 | |||||||
| 24 | 23:56 | E 6 | 16.09 | A Few Clouds | FEW090 | 15.6 | 14.4 | 93% | 75.77 | 1011.0 | |||||||
| 24 | 22:56 | Calm | 16.09 | Fair | CLR | 15.6 | 12.2 | 80% | 75.74 | 1010.9 | 0.03 | ||||||
| 24 | 21:56 | Calm | 16.09 | Fair | CLR | 17.2 | 11.7 | 70% | 75.74 | 1010.6 | |||||||
| 24 | 20:56 | SE 6 | 16.09 | Partly Cloudy | SCT100 | 18.9 | 11.7 | 63% | 75.72 | 1010.4 | 0.03 | ||||||
| 24 | 19:56 | SE 7 | 16.09 | Mostly Cloudy | BKN100 | 19.4 | 11.7 | 27.8 | 19.4 | 61% | 75.69 | 1010.1 | |||||
| 24 | 18:56 | SE 11 | 16.09 | Mostly Cloudy | BKN100 | 21.1 | 11.7 | 55% | 75.64 | 1009.5 | |||||||
| 24 | 17:56 | Vrbl 9 | 16.09 | Fair | CLR | 22.8 | 12.2 | 51% | 75.62 | 1009.3 | |||||||
| 24 | 16:56 | Vrbl 9 | 16.09 | Fair | CLR | 23.3 | 14.4 | 57% | 75.64 | 1009.4 | |||||||
| 24 | 15:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN090 | 23.3 | 11.7 | 48% | 75.59 | 1008.7 | |||||||
| 24 | 14:56 | Vrbl 7 | 16.09 | Thunderstorm in Vicinity | FEW040 SCT090 BKN110 | 26.1 | 12.2 | 42% | 26 | 75.62 | 1009.1 | ||||||
| 24 | 13:56 | W 11 | 16.09 | Mostly Cloudy | BKN090 | 27.2 | 13.3 | 27.8 | 16.7 | 42% | 27 | 75.67 | 1009.7 | ||||
| 24 | 12:56 | Calm | 16.09 | Fair | CLR | 26.7 | 12.2 | 41% | 27 | 75.69 | 1010.2 | ||||||
| 24 | 11:56 | Vrbl 6 | 16.09 | Fair | CLR | 25.6 | 11.7 | 42% | 26 | 75.77 | 1010.9 | ||||||
| 24 | 10:56 | Vrbl 6 | 16.09 | Fair | CLR | 23.3 | 11.1 | 46% | 75.79 | 1011.2 | |||||||
| 24 | 09:56 | Calm | 16.09 | Mostly Cloudy | BKN090 | 22.8 | 11.7 | 50% | 75.79 | 1011.6 | |||||||
| 24 | 08:56 | Calm | 16.09 | Fair | CLR | 20 | 11.7 | 59% | 75.82 | 1011.7 | |||||||
| 24 | 07:56 | NW 9 | 16.09 | Fair | CLR | 16.7 | 12.8 | 16.7 | 12.8 | 78% | 75.79 | 1011.6 | |||||
| 24 | 06:56 | Calm | 16.09 | Fair | CLR | 13.3 | 12.8 | 97% | 75.77 | 1011.0 | |||||||
| 24 | 05:56 | Calm | 16.09 | Fair | CLR | 12.8 | 12.8 | 100% | 75.74 | 1010.8 | |||||||
| 24 | 04:56 | Calm | 16.09 | Fair | CLR | 13.3 | 13.3 | 100% | 75.77 | 1011.0 | |||||||
| 24 | 03:56 | Calm | 16.09 | Fair | CLR | 13.3 | 13.3 | 100% | 75.74 | 1010.9 | |||||||
| 24 | 02:56 | Calm | 16.09 | Fair | CLR | 13.3 | 13.3 | 100% | 75.74 | 1010.7 | |||||||
| 24 | 01:56 | Calm | 16.09 | Fair | CLR | 14.4 | 13.3 | 22.2 | 13.9 | 93% | 75.77 | 1011.1 | |||||
| 24 | 00:56 | Calm | 16.09 | Fair | CLR | 14.4 | 13.3 | 93% | 75.79 | 1011.4 | |||||||
| 23 | 23:56 | Calm | 16.09 | Fair | CLR | 15.6 | 12.8 | 84% | 75.84 | 1012.0 | |||||||
| 23 | 22:56 | Calm | 16.09 | Fair | CLR | 16.7 | 12.8 | 78% | 75.84 | 1012.2 | |||||||
| 23 | 21:56 | Calm | 16.09 | Fair | CLR | 17.8 | 12.2 | 70% | 75.87 | 1012.6 | |||||||
| 23 | 20:56 | Calm | 16.09 | Fair | CLR | 20.6 | 11.7 | 57% | 75.87 | 1012.3 | |||||||
| 23 | 19:56 | Calm | 16.09 | Partly Cloudy | SCT090 | 22.2 | 12.2 | 27.8 | 22.2 | 53% | 75.82 | 1012.0 | |||||
| 23 | 18:56 | Calm | 16.09 | Fair | CLR | 26.1 | 10.6 | 38% | 26 | 75.82 | 1011.9 | ||||||
| 23 | 17:56 | NW 7 | 16.09 | A Few Clouds | FEW080 | 26.7 | 10.6 | 37% | 26 | 75.84 | 1012.3 | ||||||
| 23 | 16:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW075 | 27.2 | 10.6 | 35% | 27 | 75.87 | 1012.5 | ||||||
| 23 | 15:56 | W 15 | 16.09 | Partly Cloudy | SCT070 | 26.7 | 11.1 | 38% | 27 | 75.95 | 1013.4 | ||||||
| 23 | 14:56 | W 15 | 16.09 | A Few Clouds | FEW065 | 26.1 | 11.7 | 41% | 26 | 76.02 | 1014.4 | ||||||
| 23 | 13:56 | W 26 G 33 | 16.09 | Fair | CLR | 25.6 | 11.7 | 26.1 | 15.6 | 42% | 26 | 76.05 | 1015.0 | ||||
| 23 | 12:56 | NW 7 | 16.09 | Fair | CLR | 25 | 12.8 | 47% | 26 | 76.12 | 1015.9 | ||||||
| 23 | 11:56 | Vrbl 6 | 16.09 | Partly Cloudy | SCT045 | 23.9 | 13.3 | 52% | 25 | 76.2 | 1016.8 | ||||||
| 23 | 10:56 | Vrbl 6 | 16.09 | Fair | CLR | 22.8 | 13.3 | 55% | 76.2 | 1017.1 | |||||||
| 23 | 09:56 | NW 17 | 16.09 | Fair | CLR | 21.1 | 12.8 | 59% | 76.2 | 1017.1 | |||||||
| 23 | 08:56 | NW 11 | 16.09 | Fair | CLR | 19.4 | 12.8 | 66% | 76.2 | 1017.1 | |||||||
| 23 | 07:56 | W 6 | 16.09 | Fair | CLR | 15.6 | 14.4 | 15.6 | 10.6 | 93% | 76.2 | 1017.0 | |||||
| 23 | 06:56 | Calm | 16.09 | A Few Clouds | FEW095 | 11 | 0 | 0% | 76.17 | 1016.8 | |||||||
| 23 | 05:56 | Calm | 16.09 | Fair | CLR | 10.6 | 10.6 | 100% | 76.12 | 1016.2 | |||||||
| 23 | 04:56 | Calm | 16.09 | Fair | CLR | 11.7 | 11.7 | 100% | 76.12 | 1015.9 | |||||||
| 23 | 03:56 | Calm | 16.09 | A Few Clouds | FEW065 | 11.7 | 11.1 | 96% | 76.12 | 1015.9 | |||||||
| 23 | 02:56 | Calm | 16.09 | Fair | CLR | 12.8 | 10.6 | 87% | 76.1 | 1015.8 | |||||||
| 23 | 01:56 | Calm | 16.09 | Fair | CLR | 12.8 | 10.6 | 21.1 | 12.8 | 87% | 76.12 | 1016.1 | |||||
| 23 | 00:56 | Calm | 16.09 | Fair | CLR | 15 | 9.4 | 69% | 76.15 | 1016.4 | |||||||
| 22 | 23:56 | W 7 | 16.09 | Fair | CLR | 15 | 9.4 | 69% | 76.15 | 1016.3 | |||||||
| 22 | 22:56 | Calm | 16.09 | Fair | CLR | 15 | 8.9 | 67% | 76.12 | 1016.1 | |||||||
| 22 | 21:56 | Calm | 16.09 | Fair | CLR | 16.7 | 9.4 | 62% | 76.1 | 1015.7 | |||||||
| 22 | 20:56 | W 7 | 16.09 | Fair | CLR | 19.4 | 8.9 | 51% | 76.07 | 1015.4 | |||||||
| 22 | 19:56 | W 7 | 16.09 | A Few Clouds | FEW100 | 21.1 | 8.9 | 25.6 | 21.1 | 46% | 76.02 | 1014.6 | |||||
| 22 | 18:56 | SW 19 | 16.09 | Mostly Cloudy | BKN075 BKN090 | 23.3 | 10 | 43% | 76 | 1014.2 | |||||||
| 22 | 17:56 | Vrbl 11 | 16.09 | Fair | CLR | 24.4 | 8.9 | 37% | 25 | 76.02 | 1014.5 | ||||||
| 22 | 16:56 | Vrbl 7 | 16.09 | A Few Clouds | FEW065 | 25 | 9.4 | 37% | 26 | 76.02 | 1014.8 | ||||||
| 22 | 15:56 | W 9 | 16.09 | Partly Cloudy | SCT070 | 24.4 | 10 | 40% | 25 | 76.07 | 1015.2 | ||||||
| 22 | 14:56 | Vrbl 9 | 16.09 | Mostly Cloudy | BKN075 | 23.3 | 9.4 | 41% | 76.12 | 1016.2 | |||||||
| 22 | 13:56 | Vrbl 9 | 16.09 | Mostly Cloudy | BKN080 | 21.1 | 9.4 | 21.1 | 9.4 | 47% | 76.2 | 1017.3 | 0.15 | ||||
| 22 | 12:56 | Vrbl 6 | 16.09 | Fair | CLR | 17.2 | 10.6 | 65% | 76.28 | 1018.0 | |||||||
| 22 | 11:56 | Vrbl 7 | 16.09 | A Few Clouds | FEW100 | 13.3 | 11.7 | 90% | 76.3 | 1018.6 | 0.03 | ||||||
| 22 | 10:56 | Calm | 16.09 | Light Rain | OVC080 | 9.4 | 9.4 | 100% | 76.33 | 1019.1 | 0.13 | 0.13 | |||||
| 22 | 09:56 | Calm | 16.09 | Light Rain | BKN095 BKN110 | 12.8 | 3.9 | 55% | 76.35 | 1019.2 | |||||||
| 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) | |||||||||||||||