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. | ||||||||||||||||
| 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 | ||||
| 28 | 15:56 | S 19 | 16.09 | Mostly Cloudy | SCT037 SCT044 BKN055 | 29.4 | 21.7 | 63% | 32 | 75.11 | 1002.2 | ||||||
| 28 | 14:56 | S 13 | 16.09 | Mostly Cloudy | BKN035 BKN050 BKN110 | 30 | 21.7 | 61% | 33 | 75.23 | 1003.7 | ||||||
| 28 | 13:56 | Vrbl 11 | 16.09 | Mostly Cloudy | BKN029 | 28.3 | 22.2 | 29.4 | 23.9 | 70% | 31 | 75.29 | 1004.4 | ||||
| 28 | 12:56 | S 17 | 16.09 | Partly Cloudy | FEW023 SCT120 | 28.3 | 22.2 | 70% | 31 | 75.34 | 1005.2 | ||||||
| 28 | 11:56 | S 13 | 16.09 | Partly Cloudy | FEW050 SCT110 | 26.1 | 21.7 | 77% | 28 | 75.44 | 1006.4 | ||||||
| 28 | 10:56 | Vrbl 9 | 16.09 | Light Rain | FEW031 SCT070 SCT090 | 25.6 | 22.2 | 82% | 27 | 75.46 | 1006.7 | ||||||
| 28 | 09:56 | Vrbl 11 | 16.09 | Fair | CLR | 25.6 | 21.1 | 76% | 27 | 75.51 | 1007.5 | ||||||
| 28 | 08:56 | SW 13 | 16.09 | Fair | CLR | 25.6 | 21.1 | 76% | 27 | 75.49 | 1007.2 | ||||||
| 28 | 07:56 | S 7 | 16.09 | Mostly Cloudy | FEW050 BKN120 | 23.9 | 22.8 | 23.9 | 21.1 | 94% | 23 | 75.51 | 1007.7 | ||||
| 28 | 06:56 | S 9 | 16.09 | Fair | CLR | 22.2 | 22.2 | 100% | 75.49 | 1007.1 | |||||||
| 28 | 05:56 | SE 6 | 16.09 | Fair | CLR | 21.7 | 21.7 | 100% | 75.51 | 1007.3 | |||||||
| 28 | 04:56 | Calm | 16.09 | Fair | CLR | 21.7 | 21.7 | 100% | 75.57 | 1008.2 | |||||||
| 28 | 03:56 | S 6 | 16.09 | Fair | CLR | 23.3 | 21.1 | 88% | 75.62 | 1008.8 | |||||||
| 28 | 02:56 | SE 6 | 16.09 | Fair | CLR | 22.8 | 21.7 | 94% | 75.67 | 1009.6 | |||||||
| 28 | 01:56 | SE 6 | 16.09 | Fair | CLR | 23.9 | 21.1 | 26.1 | 22.8 | 84% | 24 | 75.72 | 1010.2 | ||||
| 28 | 00:56 | SE 6 | 16.09 | Fair | CLR | 23.9 | 20.6 | 82% | 24 | 75.72 | 1010.0 | ||||||
| 27 | 23:56 | SE 6 | 16.09 | Fair | CLR | 23.9 | 21.1 | 84% | 24 | 75.74 | 1010.4 | ||||||
| 27 | 22:56 | Calm | 16.09 | Fair | CLR | 23.3 | 21.7 | 91% | 75.72 | 1010.1 | |||||||
| 27 | 21:56 | SE 7 | 16.09 | Fair | CLR | 24.4 | 20.6 | 79% | 25 | 75.72 | 1010.3 | ||||||
| 27 | 20:56 | SE 7 | 16.09 | Fair | CLR | 24.4 | 20 | 77% | 25 | 75.74 | 1010.5 | ||||||
| 27 | 19:56 | Calm | 16.09 | Fair | CLR | 26.1 | 18.3 | 30 | 26.1 | 62% | 27 | 75.74 | 1010.4 | ||||
| 27 | 18:56 | NW 6 | 16.09 | Fair | CLR | 28.9 | 19.4 | 57% | 30 | 75.74 | 1010.7 | ||||||
| 27 | 17:56 | NW 9 | 16.09 | A Few Clouds | FEW047 | 28.9 | 19.4 | 57% | 30 | 75.74 | 1010.6 | ||||||
| 27 | 16:56 | W 6 | 16.09 | Partly Cloudy | SCT047 | 28.9 | 20 | 59% | 31 | 75.74 | 1010.5 | ||||||
| 27 | 15:56 | W 11 | 16.09 | Fair | CLR | 29.4 | 20 | 57% | 31 | 75.74 | 1010.5 | ||||||
| 27 | 14:56 | Vrbl 7 | 16.09 | Fair | CLR | 28.9 | 18.9 | 55% | 30 | 75.82 | 1011.6 | ||||||
| 27 | 13:56 | Vrbl 6 | 16.09 | Fair | CLR | 29.4 | 20 | 29.4 | 21.7 | 57% | 31 | 75.84 | 1012.1 | ||||
| 27 | 12:56 | NW 7 | 16.09 | Mostly Cloudy | BKN037 | 27.8 | 20 | 63% | 29 | 75.9 | 1012.6 | ||||||
| 27 | 11:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW095 | 27.8 | 20 | 63% | 29 | 75.92 | 1013.0 | ||||||
| 27 | 10:56 | Vrbl 6 | 16.09 | Fair | CLR | 27.2 | 20.6 | 67% | 29 | 75.92 | 1013.1 | ||||||
| 27 | 08:56 | Calm | 16.09 | Fair | CLR | 24.4 | 19.4 | 74% | 25 | 75.92 | 1012.9 | ||||||
| 27 | 07:56 | NW 6 | 16.09 | Fair | CLR | 21.7 | 21.1 | 23.9 | 20 | 96% | 75.92 | 1013.0 | |||||
| 27 | 06:56 | Calm | 12.87 | Fair | CLR | 20 | 0 | 0% | 75.9 | 1012.8 | |||||||
| 27 | 05:56 | Calm | 14.48 | A Few Clouds | FEW060 | 20 | 0 | 0% | 75.84 | 1012.1 | |||||||
| 27 | 04:56 | Calm | 16.09 | A Few Clouds | FEW065 | 21 | 0 | 0% | 75.84 | 1011.9 | |||||||
| 27 | 03:56 | Calm | 16.09 | Overcast | BKN060 OVC080 | 21.7 | 21.7 | 100% | 75.84 | 1012.0 | |||||||
| 27 | 02:56 | W 7 | 12.87 | Overcast | BKN065 OVC085 | 22.8 | 21.7 | 94% | 75.84 | 1012.0 | |||||||
| 27 | 01:56 | SW 6 | 16.09 | Overcast | OVC060 | 23.9 | 21.1 | 25.6 | 22.8 | 84% | 24 | 75.9 | 1012.4 | ||||
| 27 | 00:56 | S 6 | 16.09 | Overcast | SCT050 OVC060 | 24.4 | 20.6 | 79% | 25 | 75.92 | 1012.8 | ||||||
| 26 | 23:56 | S 6 | 16.09 | Overcast | BKN060 OVC080 | 23.9 | 20.6 | 82% | 24 | 75.92 | 1012.9 | ||||||
| 26 | 22:56 | S 6 | 16.09 | Partly Cloudy | SCT070 | 22.8 | 20.6 | 87% | 75.92 | 1012.9 | |||||||
| 26 | 21:56 | SE 6 | 16.09 | Partly Cloudy | FEW060 SCT090 | 22.8 | 20.6 | 87% | 75.92 | 1013.2 | |||||||
| 26 | 20:56 | Vrbl 6 | 16.09 | Overcast | OVC085 | 25 | 19.4 | 71% | 26 | 75.9 | 1012.6 | ||||||
| 26 | 19:56 | Calm | 16.09 | Overcast | OVC080 | 25.6 | 17.8 | 30 | 25.6 | 62% | 27 | 75.84 | 1012.2 | ||||
| 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 | |||||||
| 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) | |||||||||||||||