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. | ||||||||||||||||
| 23 | 13:56 | NW 22 G 46 | 16.09 | Mostly Cloudy | BKN035 | 13.9 | 4.4 | 17.8 | 12.8 | 53% | 76.07 | 1015.4 | |||||
| 23 | 12:56 | N 17 G 26 | 16.09 | Mostly Cloudy | FEW020 BKN025 BKN032 | 14.4 | 8.3 | 67% | 76 | 1014.4 | |||||||
| 23 | 11:56 | N 15 G 35 | 16.09 | Overcast | FEW021 BKN025 OVC035 | 13.3 | 10.6 | 84% | 75.9 | 1013.0 | |||||||
| 23 | 10:56 | NW 30 G 43 | 16.09 | Overcast | BKN027 OVC040 | 17.2 | 12.2 | 73% | 75.72 | 1010.6 | |||||||
| 23 | 09:56 | W 13 | 16.09 | Partly Cloudy | SCT041 | 16 | 0 | 0% | 75.64 | 1009.4 | |||||||
| 23 | 08:56 | W 7 | 16.09 | Overcast | OVC037 | 14 | 0 | 0% | 75.57 | 1008.4 | |||||||
| 23 | 07:56 | W 6 | 12.87 | Fair | CLR | 13 | 0 | 16.7 | 12.8 | 0% | 75.49 | 1007.6 | 0.23 | ||||
| 23 | 06:56 | Calm | 16.09 | Mostly Cloudy | SCT100 BKN110 | 13 | 0 | 0% | 75.39 | 1006.1 | 0.13 | ||||||
| 23 | 05:56 | Calm | 11.27 | Rain | BKN080 OVC100 | 13.9 | 13.9 | 100% | 75.44 | 1006.8 | 0.1 | ||||||
| 23 | 04:56 | Calm | 16.09 | Overcast | OVC060 | 15 | 12.8 | 87% | 75.49 | 1007.4 | |||||||
| 23 | 03:56 | N 15 | 16.09 | Overcast | OVC011 | 15.6 | 15.6 | 100% | 75.46 | 1007.2 | |||||||
| 23 | 02:56 | Vrbl 7 | 16.09 | Fair | CLR | 15.6 | 15.6 | 100% | 75.36 | 1005.9 | |||||||
| 23 | 01:56 | Vrbl 7 | 16.09 | Fair | CLR | 16.7 | 13.9 | 25 | 16.1 | 84% | 75.34 | 1005.2 | |||||
| 23 | 00:56 | Calm | 16.09 | Fair | CLR | 17.2 | 12.2 | 73% | 75.26 | 1004.3 | |||||||
| 22 | 23:56 | E 7 | 16.09 | Fair | CLR | 18.9 | 11.7 | 63% | 75.26 | 1004.2 | |||||||
| 22 | 22:56 | NE 11 | 16.09 | A Few Clouds | FEW120 | 20.6 | 11.1 | 55% | 75.31 | 1005.1 | |||||||
| 22 | 21:56 | Calm | 16.09 | Fair | CLR | 21.1 | 9.4 | 47% | 75.31 | 1005.2 | |||||||
| 22 | 20:56 | Calm | 16.09 | Fair | CLR | 22.2 | 8.9 | 43% | 75.29 | 1005.1 | |||||||
| 22 | 19:56 | S 11 | 16.09 | Fair | CLR | 24.4 | 8.9 | 28.9 | 24.4 | 37% | 25 | 75.23 | 1004.4 | ||||
| 22 | 18:56 | S 15 | 16.09 | Fair | CLR | 27.2 | 8.3 | 30% | 27 | 75.21 | 1003.9 | ||||||
| 22 | 17:56 | S 17 G 35 | 16.09 | Fair | CLR | 28.3 | 9.4 | 31% | 27 | 75.21 | 1003.7 | ||||||
| 22 | 16:56 | S 20 G 31 | 16.09 | Fair | CLR | 28.3 | 10.6 | 33% | 27 | 75.29 | 1004.7 | ||||||
| 22 | 15:56 | S 19 | 16.09 | Fair | CLR | 28.3 | 10.6 | 33% | 27 | 75.36 | 1005.7 | ||||||
| 22 | 14:56 | S 15 | 16.09 | Fair | CLR | 27.8 | 10.6 | 34% | 27 | 75.46 | 1007.0 | ||||||
| 22 | 13:56 | S 11 | 16.09 | Fair | CLR | 25 | 10 | 25.6 | 7.8 | 39% | 26 | 75.59 | 1008.6 | ||||
| 22 | 12:56 | S 17 | 16.09 | Fair | CLR | 22.8 | 10.6 | 46% | 75.64 | 1009.4 | |||||||
| 22 | 11:56 | SE 11 | 16.09 | Fair | CLR | 20.6 | 10.6 | 53% | 75.72 | 1010.6 | |||||||
| 22 | 10:56 | Vrbl 9 | 16.09 | Fair | CLR | 17.2 | 10 | 63% | 75.77 | 1011.4 | |||||||
| 22 | 09:56 | S 13 | 16.09 | Fair | CLR | 14.4 | 9.4 | 72% | 75.82 | 1012.0 | |||||||
| 22 | 08:56 | SE 13 | 16.09 | Fair | CLR | 10.6 | 10 | 96% | 75.84 | 1012.5 | |||||||
| 22 | 07:56 | Calm | 16.09 | Fair | CLR | 8 | 0 | 11.7 | 7.2 | 0% | 75.9 | 1013.1 | |||||
| 22 | 06:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 100% | 75.87 | 1012.9 | |||||||
| 22 | 05:56 | E 6 | 16.09 | Fair | CLR | 8.3 | 8.3 | 100% | 75.87 | 1012.6 | |||||||
| 22 | 04:56 | SE 15 | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 7 | 75.84 | 1012.3 | ||||||
| 22 | 03:56 | SE 7 | 16.09 | Fair | CLR | 10 | 9.4 | 96% | 9 | 75.92 | 1013.2 | ||||||
| 22 | 02:56 | S 11 | 16.09 | Fair | CLR | 11.1 | 9.4 | 89% | 75.95 | 1013.6 | |||||||
| 22 | 01:56 | S 15 | 16.09 | Fair | CLR | 11.7 | 9.4 | 16.1 | 11.7 | 86% | 76.02 | 1014.8 | |||||
| 22 | 00:56 | SE 15 | 16.09 | Overcast | OVC120 | 12.2 | 10 | 87% | 76.05 | 1015.2 | |||||||
| 21 | 23:56 | SE 13 | 16.09 | Fair | CLR | 12.8 | 5.6 | 62% | 76.02 | 1014.8 | |||||||
| 21 | 22:56 | E 7 | 16.09 | Fair | CLR | 12.8 | 4.4 | 57% | 76.05 | 1015.0 | |||||||
| 21 | 21:56 | E 7 | 16.09 | Fair | CLR | 12.8 | 4.4 | 57% | 76.05 | 1015.1 | |||||||
| 21 | 20:56 | E 9 | 16.09 | Fair | CLR | 14.4 | 5 | 53% | 76.02 | 1014.7 | |||||||
| 21 | 19:56 | E 7 | 16.09 | Fair | CLR | 16.7 | 5 | 21.1 | 16.7 | 46% | 75.95 | 1013.9 | |||||
| 21 | 18:56 | NE 6 | 16.09 | Fair | CLR | 17.8 | 5 | 43% | 75.92 | 1013.5 | |||||||
| 21 | 17:56 | SE 9 | 16.09 | Fair | CLR | 20 | 5 | 38% | 75.9 | 1013.1 | |||||||
| 21 | 16:56 | Calm | 16.09 | Fair | CLR | 20 | 5.6 | 39% | 75.9 | 1013.1 | |||||||
| 21 | 15:56 | Vrbl 6 | 16.09 | Fair | CLR | 19.4 | 6.1 | 42% | 75.95 | 1013.7 | |||||||
| 21 | 14:56 | Vrbl 6 | 16.09 | Fair | CLR | 18.9 | 6.7 | 45% | 76 | 1014.4 | |||||||
| 21 | 13:56 | Vrbl 7 | 16.09 | Fair | CLR | 19.4 | 7.2 | 19.4 | 7.2 | 45% | 76.02 | 1014.9 | |||||
| 21 | 12:56 | Vrbl 9 | 16.09 | Fair | CLR | 18.9 | 8.9 | 52% | 76.07 | 1015.4 | |||||||
| 21 | 11:56 | Vrbl 6 | 16.09 | Fair | CLR | 16.7 | 8.9 | 60% | 76.02 | 1014.6 | |||||||
| 21 | 10:56 | N 7 | 16.09 | Mostly Cloudy | BKN023 | 16.1 | 11.1 | 72% | 76 | 1014.4 | |||||||
| 21 | 09:56 | Vrbl 9 | 16.09 | Fair | CLR | 14.4 | 12.8 | 90% | 75.95 | 1013.8 | |||||||
| 21 | 08:56 | NW 6 | 16.09 | Fair | CLR | 12 | 0 | 0% | 75.9 | 1013.2 | |||||||
| 21 | 07:56 | NW 6 | 0.40 | Fog | VV002 | 7 | 0 | 12.2 | 7.2 | 0% | 75.82 | 1012.4 | |||||
| 21 | 06:56 | Calm | 1.61 | Fog/Mist | VV002 | 8 | 0 | 0% | 75.77 | 1011.6 | |||||||
| 21 | 05:56 | Calm | 16.09 | Mostly Cloudy | BKN065 | 9 | 0 | 0% | 75.72 | 1010.8 | |||||||
| 21 | 04:56 | W 7 | 3.22 | Fog/Mist | BKN075 | 8 | 0 | 0% | 7 | 75.67 | 1009.9 | ||||||
| 21 | 03:56 | Calm | 16.09 | Overcast | FEW060 BKN075 OVC090 | 10 | 0 | 0% | 75.64 | 1009.7 | |||||||
| 21 | 02:56 | Calm | 16.09 | Overcast | BKN065 OVC100 | 11 | 0 | 0% | 75.64 | 1009.8 | |||||||
| 21 | 01:56 | SW 7 | 16.09 | Light Rain | FEW070 BKN080 OVC100 | 12.2 | 12.2 | 14.4 | 11.7 | 100% | 75.64 | 1009.8 | 0.2 | 0.48 | |||
| 21 | 00:56 | Vrbl 11 | 16.09 | Light Rain | FEW065 OVC085 | 12 | 0 | 0% | 75.69 | 1010.3 | |||||||
| 20 | 23:56 | Vrbl 6 | 16.09 | Light Rain | SCT070 BKN095 OVC110 | 12.8 | 12.2 | 96% | 75.69 | 1010.5 | 0.23 | ||||||
| 20 | 22:56 | Calm | 16.09 | Overcast | OVC085 | 13.9 | 9.4 | 74% | 75.69 | 1010.2 | 0.03 | 0.05 | |||||
| 20 | 21:56 | S 11 | 16.09 | Light Rain | OVC075 | 13.9 | 10.6 | 81% | 75.69 | 1010.6 | |||||||
| 20 | 20:56 | S 9 | 16.09 | Light Rain | OVC080 | 13.3 | 11.7 | 90% | 75.72 | 1011.0 | 0.03 | ||||||
| 20 | 19:56 | S 7 | 16.09 | Light Rain | OVC070 | 13.3 | 13.3 | 22.2 | 13.3 | 100% | 75.79 | 1012.0 | 0.1 | 0.18 | |||
| 20 | 18:56 | W 6 | 14.48 | Light Rain | OVC070 | 13.9 | 12.2 | 90% | 75.82 | 1012.2 | 0.08 | ||||||
| 20 | 17:56 | W 28 G 44 | 16.09 | Light Rain | OVC075 | 18.3 | 6.7 | 47% | 75.74 | 1011.2 | |||||||
| 20 | 16:56 | S 13 | 16.09 | Overcast | FEW070 BKN090 OVC110 | 21.1 | 3.3 | 31% | 75.67 | 1010.2 | |||||||
| 20 | 15:56 | SW 26 G 35 | 16.09 | Fair | CLR | 21.1 | 3.3 | 31% | 75.79 | 1011.8 | |||||||
| 20 | 14:56 | S 20 | 16.09 | Fair | CLR | 20.6 | 3.9 | 33% | 75.9 | 1013.3 | |||||||
| 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) | |||||||||||||||