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. | ||||||||||||||||
| 27 | 11:56 | NW 15 | 16.09 | Overcast | OVC029 | 16.1 | 15 | 93% | 75.49 | 1007.6 | 0.03 | ||||||
| 27 | 10:56 | Vrbl 9 | 16.09 | Light Rain | OVC036 | 16.1 | 16.1 | 100% | 75.49 | 1007.6 | 0.05 | 0.08 | |||||
| 27 | 09:56 | Vrbl 11 | 16.09 | Light Rain | OVC055 | 16.1 | 15 | 93% | 75.46 | 1007.4 | |||||||
| 27 | 08:56 | NW 9 | 16.09 | Light Rain | BKN090 OVC110 | 14.4 | 14.4 | 100% | 75.46 | 1007.3 | 0.03 | ||||||
| 27 | 07:56 | Vrbl 11 | 16.09 | Light Rain | BKN100 OVC120 | 15 | 11.7 | 16.1 | 13.9 | 81% | 75.49 | 1007.5 | 0.03 | ||||
| 27 | 06:56 | NW 7 | 16.09 | Mostly Cloudy | BKN060 BKN090 | 15 | 11.7 | 81% | 75.51 | 1007.8 | |||||||
| 27 | 05:56 | NW 9 | 16.09 | Overcast | BKN041 BKN075 OVC110 | 14.4 | 12.8 | 90% | 75.54 | 1008.2 | 0.03 | ||||||
| 27 | 04:56 | Vrbl 9 | 16.09 | Light Rain | FEW050 OVC100 | 15 | 11.7 | 81% | 75.57 | 1008.5 | |||||||
| 27 | 03:56 | NW 9 | 16.09 | Light Rain | SCT044 BKN050 BKN120 | 15.6 | 11.1 | 75% | 75.62 | 1009.1 | |||||||
| 27 | 02:56 | NW 9 | 16.09 | Overcast | OVC042 | 16.1 | 11.1 | 72% | 75.67 | 1010.1 | |||||||
| 27 | 01:56 | NW 9 | 16.09 | Overcast | OVC042 | 15.6 | 12.2 | 15.6 | 13.3 | 80% | 75.72 | 1010.9 | 0.03 | ||||
| 27 | 00:56 | Calm | 16.09 | Overcast | OVC042 | 14.4 | 13.9 | 97% | 75.79 | 1011.7 | |||||||
| 26 | 23:56 | Vrbl 6 | 16.09 | Overcast | OVC036 | 14.4 | 13.9 | 97% | 75.87 | 1012.6 | |||||||
| 26 | 22:56 | NW 6 | 16.09 | Overcast | SCT029 OVC034 | 14.4 | 14.4 | 100% | 75.9 | 1012.9 | 0.03 | ||||||
| 26 | 21:56 | Calm | 16.09 | Overcast | BKN031 OVC037 | 13.9 | 13.9 | 100% | 75.92 | 1013.5 | |||||||
| 26 | 20:56 | Calm | 16.09 | Overcast | OVC039 | 13 | 0 | 0% | 75.95 | 1013.5 | 0.03 | ||||||
| 26 | 19:56 | W 6 | 16.09 | Overcast | OVC033 | 13 | 0 | 17.2 | 13.3 | 0% | 75.92 | 1013.2 | 0.61 | ||||
| 26 | 18:56 | Vrbl 11 | 11.27 | Light Rain | OVC033 | 13.3 | 13.3 | 100% | 75.92 | 1013.4 | 0.05 | ||||||
| 26 | 17:56 | Vrbl 9 | 16.09 | Overcast | OVC035 | 13 | 0 | 0% | 75.92 | 1013.4 | 0.05 | ||||||
| 26 | 16:56 | Vrbl 7 | 16.09 | Light Rain | OVC035 | 13.3 | 13.3 | 100% | 75.95 | 1013.7 | 0.18 | 0.51 | |||||
| 26 | 15:56 | Vrbl 6 | 12.87 | Light Rain | BKN038 OVC055 | 13.9 | 13.9 | 100% | 75.95 | 1013.7 | 0.3 | ||||||
| 26 | 14:56 | Calm | 12.87 | Rain | OVC038 | 15 | 15 | 100% | 75.95 | 1013.8 | 0.03 | ||||||
| 26 | 13:56 | Vrbl 6 | 16.09 | Light Rain | BKN046 OVC070 | 17.2 | 11.7 | 18.9 | 14.4 | 70% | 75.95 | 1013.8 | |||||
| 26 | 12:56 | Vrbl 7 | 16.09 | Light Rain | OVC048 | 17.2 | 10 | 63% | 75.97 | 1014.1 | |||||||
| 26 | 11:56 | Vrbl 11 | 16.09 | Overcast | BKN048 OVC060 | 17.8 | 10 | 60% | 75.97 | 1014.0 | |||||||
| 26 | 10:56 | Vrbl 11 | 16.09 | A Few Clouds | FEW085 | 18.3 | 10 | 59% | 75.97 | 1014.1 | |||||||
| 26 | 09:56 | Vrbl 9 | 16.09 | Overcast | BKN060 OVC080 | 16.7 | 9.4 | 62% | 75.97 | 1014.0 | |||||||
| 26 | 08:56 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN120 | 16.1 | 9.4 | 65% | 75.95 | 1013.9 | |||||||
| 26 | 07:56 | NW 15 | 16.09 | Fair | CLR | 15 | 8.9 | 15 | 13.9 | 67% | 75.97 | 1014.0 | |||||
| 26 | 06:56 | NW 7 | 16.09 | Fair | CLR | 13.9 | 8.9 | 72% | 75.97 | 1014.1 | |||||||
| 26 | 05:56 | Vrbl 9 | 16.09 | Fair | CLR | 14.4 | 8.9 | 70% | 75.97 | 1013.9 | |||||||
| 26 | 04:56 | Vrbl 9 | 16.09 | Fair | CLR | 14.4 | 8.9 | 70% | 75.97 | 1014.1 | |||||||
| 26 | 03:56 | NW 9 | 16.09 | Fair | CLR | 13.9 | 8.9 | 72% | 76.02 | 1014.6 | |||||||
| 26 | 02:56 | Vrbl 11 | 16.09 | Fair | CLR | 14.4 | 8.9 | 70% | 76.07 | 1015.4 | |||||||
| 26 | 01:56 | Vrbl 7 | 16.09 | Fair | CLR | 14.4 | 8.9 | 15.6 | 13.9 | 70% | 76.12 | 1015.8 | |||||
| 26 | 00:56 | Vrbl 11 | 16.09 | Fair | CLR | 15 | 8.3 | 64% | 76.17 | 1016.5 | |||||||
| 25 | 23:56 | Vrbl 6 | 16.09 | Fair | CLR | 14.4 | 8.3 | 67% | 76.2 | 1017.2 | |||||||
| 25 | 22:56 | Vrbl 6 | 16.09 | Fair | CLR | 15 | 8.3 | 64% | 76.25 | 1017.8 | |||||||
| 25 | 21:56 | Vrbl 6 | 16.09 | Fair | CLR | 15 | 8.3 | 64% | 76.28 | 1018.2 | |||||||
| 25 | 20:56 | Vrbl 6 | 16.09 | Fair | CLR | 14.4 | 8.3 | 67% | 76.3 | 1018.7 | |||||||
| 25 | 19:56 | NW 7 | 16.09 | Fair | CLR | 15.6 | 7.8 | 22.8 | 15.6 | 60% | 76.3 | 1018.7 | |||||
| 25 | 18:56 | Vrbl 6 | 16.09 | Fair | CLR | 17.8 | 7.2 | 50% | 76.28 | 1018.2 | |||||||
| 25 | 17:56 | Calm | 16.09 | Fair | CLR | 20 | 7.8 | 45% | 76.3 | 1018.5 | |||||||
| 25 | 16:56 | Vrbl 7 | 16.09 | Fair | CLR | 21.1 | 7.2 | 41% | 76.33 | 1018.8 | |||||||
| 25 | 15:56 | Vrbl 7 | 16.09 | Fair | CLR | 22.2 | 7.8 | 40% | 76.35 | 1019.2 | |||||||
| 25 | 14:56 | Vrbl 7 | 16.09 | Fair | CLR | 22.8 | 7.2 | 37% | 76.38 | 1019.6 | |||||||
| 25 | 13:56 | Vrbl 11 | 16.09 | Fair | CLR | 21.7 | 7.8 | 21.7 | 10 | 41% | 76.43 | 1020.3 | |||||
| 25 | 12:56 | Vrbl 6 | 16.09 | Fair | CLR | 21.1 | 8.3 | 44% | 76.53 | 1021.6 | |||||||
| 25 | 11:56 | Vrbl 7 | 16.09 | Fair | CLR | 19.4 | 7.2 | 45% | 76.58 | 1022.0 | |||||||
| 25 | 10:56 | Vrbl 9 | 16.09 | Fair | CLR | 17.2 | 8.3 | 56% | 76.61 | 1022.5 | |||||||
| 25 | 09:56 | Calm | 16.09 | Fair | CLR | 14.4 | 7.8 | 65% | 76.61 | 1022.7 | |||||||
| 25 | 08:56 | Calm | 16.09 | Fair | CLR | 11.7 | 7.2 | 74% | 76.63 | 1023.0 | |||||||
| 25 | 07:56 | Vrbl 6 | 16.09 | Fair | CLR | 10 | 6.1 | 10 | 8.9 | 77% | 76.61 | 1022.9 | |||||
| 25 | 06:56 | Calm | 16.09 | Fair | CLR | 9.4 | 6.1 | 80% | 76.61 | 1022.8 | |||||||
| 25 | 05:56 | Calm | 16.09 | Fair | CLR | 9.4 | 6.1 | 80% | 76.66 | 1023.3 | |||||||
| 25 | 04:56 | Calm | 16.09 | Fair | CLR | 10 | 6.1 | 77% | 76.66 | 1023.2 | |||||||
| 25 | 03:56 | Vrbl 6 | 16.09 | Fair | CLR | 8.9 | 7.2 | 89% | 76.66 | 1023.4 | |||||||
| 25 | 02:56 | Calm | 16.09 | Fair | CLR | 9.4 | 7.8 | 90% | 76.73 | 1024.3 | |||||||
| 25 | 01:56 | Calm | 16.09 | Fair | CLR | 9.4 | 7.8 | 13.3 | 8.9 | 90% | 76.78 | 1025.1 | |||||
| 25 | 00:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 76.84 | 1025.7 | |||||||
| 24 | 23:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 76.86 | 1026.2 | |||||||
| 24 | 22:56 | Calm | 16.09 | Fair | CLR | 10 | 10 | 100% | 76.89 | 1026.4 | |||||||
| 24 | 21:56 | Calm | 16.09 | Fair | CLR | 10.6 | 10.6 | 100% | 76.89 | 1026.6 | |||||||
| 24 | 19:56 | Calm | 16.09 | Fair | CLR | 13.3 | 10 | 19.4 | 13.3 | 81% | 76.94 | 1027.1 | |||||
| 24 | 18:56 | Calm | 16.09 | Fair | CLR | 16.1 | 8.3 | 60% | 76.91 | 1026.9 | |||||||
| 24 | 17:56 | Vrbl 7 | 16.09 | Fair | CLR | 18.9 | 8.3 | 50% | 76.94 | 1026.9 | |||||||
| 24 | 16:56 | Vrbl 6 | 16.09 | Fair | CLR | 18.9 | 8.3 | 50% | 76.94 | 1026.9 | |||||||
| 24 | 15:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW037 | 18.3 | 8.3 | 52% | 76.96 | 1027.5 | |||||||
| 24 | 14:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN035 | 18.3 | 8.9 | 54% | 77.01 | 1028.2 | |||||||
| 24 | 13:56 | Vrbl 11 | 16.09 | Overcast | OVC033 | 16.7 | 10.6 | 17.2 | 9.4 | 67% | 77.09 | 1029.0 | |||||
| 24 | 12:56 | Vrbl 7 | 16.09 | Overcast | OVC035 | 17.2 | 10.6 | 65% | 77.11 | 1029.6 | |||||||
| 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) | |||||||||||||||