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. | ||||||||||||||||
| 31 | 15:56 | W 11 | 16.09 | Mostly Cloudy | BKN080 | 29.4 | 18.3 | 51% | 30 | 76.17 | 1016.4 | ||||||
| 31 | 14:56 | Calm | 12.87 | Fair | CLR | 30 | 18.3 | 49% | 31 | 76.17 | 1016.5 | ||||||
| 31 | 13:56 | Calm | 16.09 | A Few Clouds | FEW065 | 28.9 | 17.2 | 30 | 21.1 | 49% | 29 | 76.2 | 1016.7 | ||||
| 31 | 12:56 | Calm | 16.09 | A Few Clouds | FEW041 | 28.3 | 18.9 | 57% | 30 | 76.25 | 1017.2 | ||||||
| 31 | 11:56 | Calm | 16.09 | Mostly Cloudy | SCT036 BKN060 | 27.2 | 18.3 | 58% | 28 | 76.28 | 1017.6 | ||||||
| 31 | 10:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW031 | 26.1 | 18.3 | 62% | 27 | 76.28 | 1017.7 | ||||||
| 31 | 09:56 | Calm | 16.09 | Fair | CLR | 25 | 19.4 | 71% | 26 | 76.28 | 1017.7 | ||||||
| 31 | 08:56 | Calm | 16.09 | Fair | CLR | 23.3 | 18.9 | 76% | 76.28 | 1017.8 | |||||||
| 31 | 07:56 | Calm | 16.09 | Fair | CLR | 21.1 | 19.4 | 21.7 | 17.8 | 90% | 76.28 | 1017.7 | |||||
| 31 | 06:56 | Calm | 16.09 | Mostly Cloudy | BKN075 | 18 | 0 | 0% | 76.25 | 1017.6 | |||||||
| 31 | 05:56 | Calm | 16.09 | Overcast | OVC075 | 18 | 0 | 0% | 76.23 | 1017.4 | |||||||
| 31 | 04:56 | Calm | 16.09 | A Few Clouds | FEW080 | 18 | 0 | 0% | 76.2 | 1017.0 | |||||||
| 31 | 03:56 | Calm | 16.09 | Fair | CLR | 18.9 | 18.9 | 100% | 76.2 | 1016.8 | |||||||
| 31 | 02:56 | Calm | 16.09 | Mostly Cloudy | BKN080 | 20 | 18.9 | 93% | 76.17 | 1016.4 | |||||||
| 31 | 01:56 | Calm | 16.09 | Overcast | OVC080 | 21.7 | 17.8 | 24.4 | 21.7 | 79% | 76.17 | 1016.4 | |||||
| 31 | 00:56 | Calm | 16.09 | Overcast | OVC080 | 22.2 | 17.8 | 76% | 76.17 | 1016.2 | |||||||
| 30 | 23:56 | Calm | 16.09 | Overcast | OVC080 | 22.2 | 18.3 | 79% | 76.15 | 1016.1 | |||||||
| 30 | 22:56 | Calm | 16.09 | Overcast | OVC080 | 22.8 | 17.2 | 71% | 76.15 | 1016.0 | |||||||
| 30 | 21:56 | Calm | 16.09 | Overcast | OVC075 | 23.3 | 17.8 | 71% | 76.1 | 1015.6 | |||||||
| 30 | 20:56 | Calm | 16.09 | Overcast | OVC070 | 23.9 | 17.8 | 69% | 25 | 76.05 | 1014.8 | ||||||
| 30 | 19:56 | Calm | 16.09 | Overcast | OVC075 | 24.4 | 17.8 | 27.8 | 24.4 | 67% | 25 | 76.02 | 1014.6 | ||||
| 30 | 18:56 | NW 6 | 16.09 | Overcast | OVC070 | 25 | 17.8 | 64% | 26 | 76 | 1014.3 | ||||||
| 30 | 17:56 | Calm | 16.09 | Overcast | OVC070 | 25.6 | 17.8 | 62% | 27 | 76 | 1014.1 | ||||||
| 30 | 16:56 | Calm | 16.09 | Overcast | OVC070 | 25.6 | 17.8 | 62% | 27 | 75.95 | 1013.4 | ||||||
| 30 | 15:56 | Calm | 16.09 | Overcast | OVC070 | 26.1 | 17.8 | 60% | 27 | 75.92 | 1013.2 | ||||||
| 30 | 14:56 | Vrbl 6 | 16.09 | Overcast | SCT047 OVC065 | 26.1 | 18.3 | 62% | 27 | 75.92 | 1013.1 | ||||||
| 30 | 13:56 | NW 13 G 28 | 16.09 | Mostly Cloudy | BKN049 | 26.7 | 17.8 | 27.2 | 20.6 | 58% | 28 | 75.9 | 1012.9 | ||||
| 30 | 12:56 | NW 20 G 28 | 16.09 | A Few Clouds | FEW047 | 27.2 | 17.2 | 54% | 28 | 75.9 | 1012.5 | ||||||
| 30 | 11:56 | NW 26 G 33 | 16.09 | Mostly Cloudy | BKN045 | 25 | 16.1 | 58% | 26 | 75.87 | 1012.5 | ||||||
| 30 | 10:56 | NW 22 G 30 | 16.09 | Fair | CLR | 24.4 | 16.1 | 60% | 26 | 75.87 | 1012.2 | ||||||
| 30 | 09:56 | NW 20 G 33 | 16.09 | Fair | CLR | 22.8 | 15 | 62% | 75.9 | 1012.6 | |||||||
| 30 | 07:56 | W 13 | 16.09 | Fair | CLR | 20.6 | 15.6 | 20.6 | 18.9 | 73% | 75.84 | 1012.1 | |||||
| 30 | 06:56 | W 13 | 16.09 | Fair | CLR | 19.4 | 15 | 76% | 75.82 | 1011.8 | |||||||
| 30 | 05:56 | NW 15 | 16.09 | Overcast | OVC085 | 20 | 15.6 | 76% | 75.77 | 1011.1 | |||||||
| 30 | 04:56 | NW 17 | 16.09 | Overcast | OVC085 | 20.6 | 15 | 70% | 75.72 | 1010.4 | |||||||
| 30 | 03:56 | W 13 | 16.09 | Overcast | OVC080 | 20 | 16.1 | 78% | 75.72 | 1010.1 | |||||||
| 30 | 02:56 | W 11 | 16.09 | Fair | CLR | 18.9 | 17.2 | 90% | 75.72 | 1010.4 | |||||||
| 30 | 01:56 | W 6 | 16.09 | Fair | CLR | 19.4 | 17.2 | 23.9 | 19.4 | 87% | 75.74 | 1010.6 | |||||
| 30 | 00:56 | W 9 | 16.09 | Partly Cloudy | SCT080 | 20 | 17.2 | 84% | 75.77 | 1010.9 | |||||||
| 29 | 23:56 | NW 6 | 16.09 | Overcast | OVC090 | 21.7 | 16.1 | 71% | 75.74 | 1010.8 | |||||||
| 29 | 22:56 | Vrbl 9 | 16.09 | Overcast | OVC060 | 22.8 | 16.1 | 66% | 75.74 | 1010.8 | |||||||
| 29 | 21:56 | NW 17 | 16.09 | Overcast | BKN050 OVC075 | 23.3 | 16.7 | 67% | 75.72 | 1010.1 | |||||||
| 29 | 20:56 | NW 11 | 16.09 | Overcast | OVC060 | 23.3 | 16.7 | 67% | 75.67 | 1009.5 | |||||||
| 29 | 19:56 | NW 17 | 16.09 | Overcast | SCT070 OVC090 | 23.3 | 17.2 | 27.2 | 22.8 | 69% | 75.62 | 1008.9 | |||||
| 29 | 18:56 | NW 13 | 16.09 | Overcast | OVC060 | 23.9 | 17.2 | 66% | 25 | 75.57 | 1008.5 | ||||||
| 29 | 17:56 | NW 15 | 16.09 | Overcast | OVC060 | 24.4 | 16.7 | 62% | 25 | 75.54 | 1008.2 | ||||||
| 29 | 16:56 | NW 15 G 30 | 16.09 | Overcast | BKN047 OVC065 | 24.4 | 16.7 | 62% | 25 | 75.51 | 1007.7 | ||||||
| 29 | 15:56 | NW 19 G 37 | 16.09 | Overcast | FEW044 OVC065 | 27.2 | 17.8 | 57% | 28 | 75.49 | 1007.4 | ||||||
| 29 | 14:56 | W 26 G 39 | 16.09 | Overcast | FEW046 OVC060 | 25.6 | 17.2 | 60% | 27 | 75.49 | 1007.3 | ||||||
| 29 | 13:56 | NW 17 G 39 | 16.09 | Mostly Cloudy | SCT049 BKN060 | 25.6 | 16.1 | 27.2 | 20.6 | 56% | 26 | 75.49 | 1007.4 | ||||
| 29 | 12:56 | NW 20 G 31 | 16.09 | Overcast | OVC050 | 25 | 16.1 | 58% | 26 | 75.49 | 1007.4 | ||||||
| 29 | 11:56 | NW 17 | 16.09 | Mostly Cloudy | BKN041 BKN055 | 25 | 16.7 | 60% | 26 | 75.49 | 1007.4 | ||||||
| 29 | 10:56 | NW 15 | 16.09 | Fair | CLR | 25 | 17.8 | 64% | 26 | 75.49 | 1007.3 | ||||||
| 29 | 09:56 | NW 19 G 26 | 16.09 | Fair | CLR | 23.9 | 19.4 | 76% | 24 | 75.49 | 1007.3 | ||||||
| 29 | 08:56 | NW 13 | 16.09 | Fair | CLR | 22.2 | 21.1 | 94% | 75.46 | 1007.1 | |||||||
| 29 | 07:56 | NW 9 | 16.09 | Fair | CLR | 21 | 0 | 20.6 | 18.3 | 0% | 75.41 | 1006.5 | 0.03 | ||||
| 29 | 06:56 | Vrbl 6 | 14.48 | Fair | CLR | 19 | 0 | 0% | 75.39 | 1005.8 | 0.03 | ||||||
| 29 | 05:56 | NW 7 | 14.48 | Fair | CLR | 19 | 0 | 0% | 75.34 | 1005.2 | |||||||
| 29 | 04:56 | NW 6 | 16.09 | Fair | CLR | 19 | 0 | 0% | 75.31 | 1005.0 | |||||||
| 29 | 03:56 | NW 6 | 11.27 | Fair | CLR | 19 | 0 | 0% | 75.31 | 1004.7 | |||||||
| 29 | 02:56 | Calm | 11.27 | Fair | CLR | 19 | 0 | 0% | 75.31 | 1004.8 | |||||||
| 29 | 01:56 | Calm | 14.48 | Fair | CLR | 19 | 0 | 21.7 | 19.4 | 0% | 75.29 | 1004.6 | |||||
| 29 | 00:56 | Calm | 16.09 | Fair | CLR | 20 | 0 | 0% | 75.29 | 1004.4 | |||||||
| 28 | 23:56 | Calm | 12.87 | A Few Clouds | FEW003 | 20 | 0 | 0% | 75.29 | 1004.5 | |||||||
| 28 | 22:56 | Calm | 4.02 | Fog/Mist | FEW002 | 19 | 0 | 0% | 75.29 | 1004.6 | |||||||
| 28 | 21:56 | Calm | 16.09 | A Few Clouds | FEW006 | 21 | 0 | 0% | 75.29 | 1004.6 | |||||||
| 28 | 20:56 | Calm | 16.09 | Overcast | SCT034 BKN043 OVC049 | 21 | 0 | 0% | 75.26 | 1004.3 | |||||||
| 28 | 19:56 | Calm | 16.09 | Mostly Cloudy | BKN041 BKN049 | 22 | 0 | 31.1 | 20 | 0% | 75.23 | 1003.8 | 2.13 | ||||
| 28 | 18:56 | S 6 | 16.09 | Partly Cloudy | SCT070 SCT080 | 21 | 0 | 0% | 75.16 | 1003.0 | |||||||
| 28 | 17:56 | Vrbl 9 | 16.09 | Thunderstorm Heavy Rain | SCT008 BKN021 OVC100 | 21 | 0 | 0% | 75.29 | 1004.7 | 1.88 | ||||||
| 28 | 16:56 | S 6 | 16.09 | Thunderstorm in Vicinity Light Rain | FEW044 BKN070 BKN100 | 26.1 | 25.6 | 97% | 29 | 75.11 | 1002.0 | 0.25 | 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) | |||||||||||||||