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. | ||||||||||||||||
| 11 | 05:56 | Vrbl 7 | 6.44 | Rain | BKN007 OVC014 | 14 | 0 | 0% | 76.76 | 1024.5 | 0.51 | ||||||
| 11 | 04:56 | Vrbl 6 | 8.05 | Rain | SCT022 BKN028 OVC050 | 14 | 0 | 0% | 76.78 | 1025.1 | 0.41 | 0.61 | |||||
| 11 | 03:56 | Calm | 16.09 | Rain | BKN027 BKN033 OVC055 | 15 | 15 | 100% | 76.86 | 1026.0 | 0.2 | ||||||
| 11 | 02:56 | Vrbl 6 | 16.09 | Light Rain | BKN080 OVC100 | 15.6 | 15 | 96% | 76.91 | 1026.7 | |||||||
| 11 | 01:56 | Vrbl 7 | 16.09 | Overcast | OVC085 | 15.6 | 15 | 17.2 | 15.6 | 96% | 76.99 | 1027.6 | |||||
| 11 | 00:56 | Vrbl 6 | 16.09 | Overcast | OVC090 | 15.6 | 15 | 96% | 77.04 | 1028.3 | |||||||
| 10 | 23:56 | Vrbl 6 | 16.09 | Light Rain | OVC095 | 16.7 | 13.3 | 80% | 77.11 | 1029.0 | |||||||
| 10 | 22:56 | Vrbl 6 | 16.09 | Overcast | FEW047 OVC100 | 16.7 | 12.8 | 78% | 77.14 | 1029.5 | |||||||
| 10 | 21:56 | Vrbl 6 | 16.09 | Overcast | OVC100 | 16.7 | 12.2 | 75% | 77.14 | 1029.9 | |||||||
| 10 | 20:56 | E 6 | 16.09 | Overcast | FEW044 OVC110 | 16.7 | 11.1 | 70% | 77.14 | 1029.5 | |||||||
| 10 | 19:56 | Vrbl 6 | 16.09 | Mostly Cloudy | SCT048 BKN120 | 17.2 | 9.4 | 20.6 | 16.7 | 60% | 77.14 | 1029.6 | |||||
| 10 | 18:56 | Vrbl 6 | 16.09 | Fair | CLR | 17.8 | 10 | 60% | 77.09 | 1029.2 | |||||||
| 10 | 17:56 | Calm | 16.09 | A Few Clouds | FEW110 | 18.3 | 11.1 | 63% | 77.11 | 1029.3 | |||||||
| 10 | 16:56 | Calm | 16.09 | A Few Clouds | FEW110 | 18.9 | 11.7 | 63% | 77.14 | 1029.8 | |||||||
| 10 | 15:56 | Calm | 16.09 | Fair | CLR | 20 | 10.6 | 55% | 77.19 | 1030.2 | |||||||
| 10 | 14:56 | Vrbl 9 | 16.09 | Fair | CLR | 20 | 10.6 | 55% | 77.17 | 1030.1 | |||||||
| 10 | 13:56 | Vrbl 6 | 16.09 | Fair | CLR | 20 | 11.7 | 21.1 | 13.3 | 59% | 77.24 | 1031.2 | |||||
| 10 | 12:56 | Vrbl 9 | 16.09 | Fair | CLR | 21.1 | 10 | 49% | 77.24 | 1031.2 | |||||||
| 10 | 11:56 | Calm | 16.09 | Fair | CLR | 20.6 | 11.1 | 55% | 77.32 | 1032.2 | |||||||
| 10 | 10:56 | Vrbl 6 | 16.09 | Fair | CLR | 18.3 | 11.7 | 66% | 77.32 | 1032.1 | |||||||
| 10 | 09:56 | Calm | 16.09 | Fair | CLR | 16.1 | 10.6 | 70% | 77.27 | 1031.4 | |||||||
| 10 | 08:56 | Calm | 16.09 | Fair | CLR | 13.3 | 10.6 | 84% | 77.19 | 1030.6 | |||||||
| 10 | 07:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 10.6 | 8.9 | 100% | 77.22 | 1030.9 | |||||
| 10 | 06:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 77.14 | 1030.0 | |||||||
| 10 | 04:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 77.01 | 1027.9 | |||||||
| 10 | 03:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 76.99 | 1027.6 | |||||||
| 10 | 02:56 | Calm | 16.09 | Fair | CLR | 10 | 10 | 100% | 77.01 | 1028.1 | |||||||
| 10 | 01:56 | Calm | 16.09 | Fair | CLR | 10 | 10 | 14.4 | 10 | 100% | 77.01 | 1028.0 | |||||
| 10 | 00:56 | Calm | 16.09 | Fair | CLR | 10.6 | 10.6 | 100% | 76.99 | 1027.6 | |||||||
| 09 | 23:56 | Calm | 16.09 | Fair | CLR | 11.1 | 11.1 | 100% | 76.96 | 1027.5 | |||||||
| 09 | 22:56 | Calm | 16.09 | Fair | CLR | 11.7 | 11.1 | 96% | 76.96 | 1027.4 | |||||||
| 09 | 21:56 | Calm | 16.09 | Fair | CLR | 12.2 | 11.1 | 93% | 76.91 | 1026.7 | |||||||
| 09 | 20:56 | Calm | 16.09 | Fair | CLR | 13.3 | 11.1 | 87% | 76.91 | 1026.9 | |||||||
| 09 | 19:56 | Calm | 16.09 | Fair | CLR | 14.4 | 8.9 | 22.8 | 13.9 | 70% | 76.86 | 1026.4 | |||||
| 09 | 18:56 | SE 6 | 16.09 | Fair | CLR | 16.1 | 8.9 | 63% | 76.84 | 1025.6 | |||||||
| 09 | 17:56 | Calm | 16.09 | Fair | CLR | 18.3 | 7.2 | 49% | 76.78 | 1025.0 | |||||||
| 09 | 16:56 | Calm | 16.09 | Fair | CLR | 20 | 7.2 | 44% | 76.73 | 1024.3 | |||||||
| 09 | 15:56 | Vrbl 7 | 16.09 | Fair | CLR | 21.1 | 5.6 | 37% | 76.71 | 1023.9 | |||||||
| 09 | 14:56 | W 11 | 16.09 | Fair | CLR | 21.7 | 4.4 | 32% | 76.73 | 1024.1 | |||||||
| 09 | 13:56 | NW 17 | 16.09 | Fair | CLR | 22.8 | 5.6 | 22.8 | 7.2 | 33% | 76.73 | 1024.4 | |||||
| 09 | 12:56 | W 15 | 16.09 | Fair | CLR | 22.8 | 8.3 | 40% | 76.76 | 1024.8 | |||||||
| 09 | 11:56 | W 19 | 16.09 | Fair | CLR | 21.7 | 8.9 | 44% | 76.78 | 1025.1 | |||||||
| 09 | 10:56 | W 9 | 16.09 | Fair | CLR | 21.1 | 8.9 | 46% | 76.78 | 1025.0 | |||||||
| 09 | 09:56 | W 6 | 16.09 | Fair | CLR | 17.2 | 9.4 | 60% | 76.78 | 1024.9 | |||||||
| 09 | 08:56 | Calm | 16.09 | Fair | CLR | 11.7 | 11.1 | 96% | 76.76 | 1024.6 | |||||||
| 09 | 07:56 | Calm | 16.09 | Fair | CLR | 7.2 | 7.2 | 8.9 | 7.2 | 100% | 76.68 | 1023.9 | |||||
| 09 | 06:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 100% | 76.66 | 1023.3 | |||||||
| 09 | 05:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 100% | 76.58 | 1022.3 | |||||||
| 09 | 04:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 100% | 76.53 | 1021.7 | |||||||
| 09 | 03:56 | Calm | 16.09 | Fair | CLR | 8.3 | 8.3 | 100% | 76.5 | 1021.4 | |||||||
| 09 | 02:56 | Calm | 16.09 | Fair | CLR | 8.9 | 8.9 | 100% | 76.53 | 1021.4 | |||||||
| 09 | 01:56 | Calm | 16.09 | Fair | CLR | 8.9 | 8.9 | 15 | 8.9 | 100% | 76.5 | 1021.5 | |||||
| 09 | 00:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 76.5 | 1021.1 | |||||||
| 08 | 23:56 | Calm | 16.09 | Fair | CLR | 10.6 | 9.4 | 92% | 76.5 | 1021.0 | |||||||
| 08 | 22:56 | Calm | 16.09 | Fair | CLR | 11.1 | 8.9 | 86% | 76.45 | 1020.7 | |||||||
| 08 | 21:56 | Calm | 16.09 | Fair | CLR | 11.7 | 8.3 | 80% | 76.43 | 1020.2 | |||||||
| 08 | 20:56 | Calm | 16.09 | Fair | CLR | 13.3 | 9.4 | 77% | 76.38 | 1019.4 | |||||||
| 08 | 19:56 | Calm | 16.09 | Fair | CLR | 15 | 7.8 | 25 | 15 | 62% | 76.3 | 1018.4 | |||||
| 08 | 18:56 | Calm | 16.09 | Fair | CLR | 18.3 | 6.1 | 45% | 76.2 | 1017.2 | |||||||
| 08 | 17:56 | Calm | 16.09 | Fair | CLR | 23.3 | 6.7 | 34% | 76.15 | 1016.3 | |||||||
| 08 | 15:56 | NW 19 G 28 | 16.09 | Fair | CLR | 25 | 7.2 | 32% | 25 | 76.07 | 1015.3 | ||||||
| 08 | 14:56 | NW 17 G 26 | 16.09 | A Few Clouds | FEW080 | 25 | 7.2 | 32% | 25 | 76.07 | 1015.1 | ||||||
| 08 | 13:56 | W 15 | 16.09 | Fair | CLR | 24.4 | 7.8 | 25 | 11.1 | 35% | 25 | 76.12 | 1015.8 | ||||
| 08 | 12:56 | W 19 G 26 | 16.09 | Fair | CLR | 24.4 | 8.9 | 37% | 25 | 76.15 | 1016.3 | ||||||
| 08 | 11:56 | W 13 | 16.09 | Fair | CLR | 23.3 | 10.6 | 45% | 76.17 | 1016.7 | |||||||
| 08 | 10:56 | Vrbl 11 | 16.09 | Fair | CLR | 22.2 | 13.3 | 57% | 76.17 | 1016.7 | |||||||
| 08 | 09:56 | NW 7 | 16.09 | Fair | CLR | 19.4 | 13.9 | 71% | 76.15 | 1016.4 | |||||||
| 08 | 08:56 | NW 6 | 16.09 | Fair | CLR | 15.6 | 14.4 | 93% | 76.1 | 1015.8 | |||||||
| 08 | 07:56 | Calm | 12.87 | Fair | CLR | 11.1 | 11.1 | 13.9 | 10.6 | 100% | 76.02 | 1014.6 | |||||
| 08 | 06:56 | Calm | 9.66 | Fog/Mist | CLR | 11.1 | 11.1 | 100% | 75.95 | 1013.6 | |||||||
| 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) | |||||||||||||||