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. | ||||||||||||||||
| 26 | 18:56 | Calm | 16.09 | Overcast | BKN085 OVC100 | 26.1 | 18.9 | 65% | 27 | 75.87 | 1012.4 | ||||||
| 26 | 17:56 | Vrbl 7 | 16.09 | Mostly Cloudy | FEW065 SCT085 BKN110 | 27.8 | 17.8 | 55% | 29 | 75.9 | 1012.6 | ||||||
| 26 | 16:56 | NW 9 | 16.09 | Overcast | OVC080 | 27.2 | 18.3 | 58% | 28 | 75.9 | 1012.9 | ||||||
| 26 | 15:56 | Vrbl 6 | 16.09 | Partly Cloudy | FEW044 SCT055 SCT075 | 28.9 | 20 | 59% | 31 | 75.9 | 1012.7 | ||||||
| 26 | 14:56 | Calm | 12.87 | Mostly Cloudy | BKN040 BKN080 | 28.3 | 20 | 61% | 30 | 75.95 | 1013.3 | ||||||
| 26 | 13:56 | W 7 | 16.09 | Overcast | BKN034 BKN043 OVC060 | 26.7 | 19.4 | 28.3 | 20 | 64% | 28 | 76 | 1014.2 | ||||
| 26 | 12:56 | Calm | 16.09 | Overcast | SCT034 SCT047 OVC060 | 27.2 | 20 | 65% | 29 | 76.02 | 1014.6 | ||||||
| 26 | 11:56 | W 9 | 16.09 | Overcast | BKN029 OVC060 | 25.6 | 19.4 | 69% | 27 | 76.07 | 1015.1 | ||||||
| 26 | 09:56 | SE 7 | 16.09 | Overcast | OVC048 | 22.8 | 18.9 | 79% | 76.15 | 1016.1 | |||||||
| 26 | 08:56 | SE 6 | 16.09 | Fair | CLR | 22.2 | 18.3 | 79% | 76.15 | 1016.3 | |||||||
| 26 | 07:56 | SE 6 | 16.09 | Fair | CLR | 20 | 17.8 | 20 | 17.2 | 87% | 76.15 | 1016.2 | |||||
| 26 | 06:56 | Calm | 16.09 | Fair | CLR | 17.8 | 17.8 | 100% | 76.15 | 1016.1 | |||||||
| 26 | 05:56 | Calm | 16.09 | Overcast | OVC080 | 18.3 | 16.7 | 90% | 76.12 | 1015.9 | |||||||
| 26 | 04:56 | Calm | 16.09 | Overcast | OVC080 | 18.9 | 16.7 | 87% | 76.12 | 1015.9 | |||||||
| 26 | 03:56 | Calm | 16.09 | Overcast | BKN060 OVC085 | 17.8 | 17.8 | 100% | 76.1 | 1015.8 | |||||||
| 26 | 02:56 | Calm | 16.09 | Mostly Cloudy | SCT060 BKN090 | 17.8 | 17.8 | 100% | 76.15 | 1016.2 | |||||||
| 26 | 01:56 | Calm | 16.09 | Partly Cloudy | SCT060 | 18.3 | 17.2 | 25 | 18.3 | 93% | 76.17 | 1016.6 | |||||
| 26 | 00:56 | SE 7 | 16.09 | Mostly Cloudy | BKN090 | 19.4 | 16.1 | 81% | 76.2 | 1016.8 | |||||||
| 25 | 23:56 | S 6 | 16.09 | Fair | CLR | 21.1 | 15 | 68% | 76.23 | 1017.2 | |||||||
| 25 | 22:56 | SE 9 | 16.09 | Mostly Cloudy | BKN100 | 21.1 | 15.6 | 71% | 76.25 | 1017.4 | |||||||
| 25 | 21:56 | Vrbl 6 | 16.09 | Overcast | OVC046 | 22.2 | 16.1 | 68% | 76.25 | 1017.8 | |||||||
| 25 | 20:56 | Calm | 16.09 | Overcast | OVC042 | 23.3 | 15.6 | 62% | 76.23 | 1017.3 | |||||||
| 25 | 19:56 | Calm | 16.09 | Mostly Cloudy | BKN037 BKN050 | 25 | 17.2 | 27.8 | 24.4 | 62% | 26 | 76.23 | 1017.3 | ||||
| 25 | 18:56 | W 6 | 16.09 | Mostly Cloudy | SCT042 BKN050 | 27.2 | 17.8 | 57% | 28 | 76.25 | 1017.4 | ||||||
| 25 | 17:56 | NW 6 | 16.09 | A Few Clouds | FEW048 | 25.6 | 17.8 | 62% | 27 | 76.28 | 1017.8 | ||||||
| 25 | 16:56 | SW 7 | 16.09 | Overcast | BKN035 OVC045 | 25 | 17.8 | 64% | 26 | 76.3 | 1018.1 | ||||||
| 25 | 15:56 | Calm | 16.09 | Overcast | OVC046 | 26.7 | 17.2 | 56% | 27 | 76.33 | 1018.7 | ||||||
| 25 | 14:56 | Calm | 16.09 | Overcast | OVC044 | 26.1 | 16.1 | 54% | 27 | 76.35 | 1018.9 | ||||||
| 25 | 13:56 | Calm | 16.09 | Overcast | OVC044 | 26.1 | 17.2 | 27.8 | 19.4 | 58% | 27 | 76.4 | 1019.6 | ||||
| 25 | 12:56 | SE 11 | 16.09 | Mostly Cloudy | BKN039 | 26.1 | 16.7 | 56% | 27 | 76.45 | 1020.2 | ||||||
| 25 | 11:56 | Calm | 16.09 | Fair | CLR | 25 | 16.7 | 60% | 26 | 76.48 | 1020.7 | ||||||
| 25 | 10:56 | SE 11 | 16.09 | Mostly Cloudy | BKN032 | 23.9 | 16.1 | 62% | 25 | 76.5 | 1020.9 | ||||||
| 25 | 09:56 | Calm | 16.09 | Overcast | SCT023 BKN029 OVC070 | 21.7 | 17.2 | 76% | 76.56 | 1021.8 | |||||||
| 25 | 08:56 | Calm | 16.09 | A Few Clouds | FEW025 | 21.1 | 18.3 | 84% | 76.58 | 1022.1 | |||||||
| 25 | 07:56 | Calm | 16.09 | Overcast | OVC060 | 19.4 | 18.9 | 20 | 18.3 | 97% | 76.61 | 1022.2 | |||||
| 25 | 06:56 | NW 7 | 16.09 | Overcast | OVC060 | 18.9 | 18.9 | 100% | 76.58 | 1022.2 | |||||||
| 25 | 05:56 | Calm | 16.09 | Overcast | FEW018 SCT050 OVC085 | 18.9 | 18.9 | 100% | 76.56 | 1021.7 | |||||||
| 25 | 04:56 | W 7 | 16.09 | Overcast | BKN027 OVC080 | 20 | 17.2 | 84% | 76.56 | 1021.5 | |||||||
| 25 | 03:56 | Calm | 16.09 | Overcast | SCT041 BKN060 OVC090 | 19.4 | 16.7 | 84% | 76.53 | 1021.4 | |||||||
| 25 | 02:56 | Calm | 16.09 | Overcast | BKN037 BKN048 OVC060 | 19.4 | 17.2 | 87% | 76.56 | 1021.8 | |||||||
| 25 | 01:56 | Calm | 16.09 | Overcast | FEW060 OVC095 | 19.4 | 15.6 | 22.2 | 18.9 | 79% | 76.61 | 1022.2 | |||||
| 25 | 00:56 | Calm | 16.09 | Overcast | FEW075 OVC095 | 19.4 | 15.6 | 79% | 76.66 | 1022.9 | |||||||
| 24 | 23:56 | Calm | 16.09 | Mostly Cloudy | BKN070 BKN100 | 18.9 | 15 | 78% | 76.66 | 1022.9 | |||||||
| 24 | 22:56 | Calm | 16.09 | Mostly Cloudy | BKN100 | 19.4 | 14.4 | 73% | 76.66 | 1022.9 | |||||||
| 24 | 21:56 | Calm | 16.09 | Fair | CLR | 20 | 14.4 | 70% | 76.66 | 1022.9 | |||||||
| 24 | 20:56 | Calm | 16.09 | Mostly Cloudy | BKN090 | 20.6 | 15 | 70% | 76.63 | 1022.8 | |||||||
| 24 | 19:56 | E 6 | 16.09 | A Few Clouds | FEW090 | 21.7 | 14.4 | 27.2 | 21.7 | 63% | 76.63 | 1022.6 | |||||
| 24 | 18:56 | Vrbl 6 | 16.09 | Fair | CLR | 23.9 | 15.6 | 60% | 25 | 76.61 | 1022.3 | ||||||
| 24 | 17:56 | Calm | 16.09 | Fair | CLR | 24.4 | 16.1 | 60% | 26 | 76.66 | 1022.9 | ||||||
| 24 | 16:56 | Calm | 16.09 | Fair | CLR | 26.1 | 15.6 | 52% | 27 | 76.63 | 1022.6 | ||||||
| 24 | 15:56 | Calm | 16.09 | Fair | CLR | 26.7 | 15.6 | 51% | 27 | 76.66 | 1022.8 | ||||||
| 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 | |||||
| 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) | |||||||||||||||