Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 06 | 10:56 | NW 24 G 44 | 16.09 | Fair | CLR | 12.2 | -3.3 | 34% | 76.71 | 1023.8 | |||||||
| 06 | 09:56 | NW 15 G 44 | 16.09 | Partly Cloudy | SCT055 | 10.6 | -2.8 | 39% | 76.71 | 1024.0 | |||||||
| 06 | 08:56 | W 24 G 30 | 16.09 | Fair | CLR | 10 | -1.7 | 44% | 7 | 76.68 | 1023.7 | ||||||
| 06 | 07:56 | W 11 | 16.09 | Fair | CLR | 7.8 | -1.1 | 54% | 6 | 76.66 | 1023.2 | ||||||
| 06 | 06:56 | Calm | 16.09 | Fair | CLR | 6.1 | -2.2 | 12.2 | 5.6 | 56% | 76.58 | 1022.4 | |||||
| 06 | 05:56 | W 19 | 16.09 | Fair | CLR | 7.2 | -1.7 | 54% | 4 | 76.48 | 1020.8 | ||||||
| 06 | 04:56 | Calm | 16.09 | A Few Clouds | FEW050 | 7.8 | -1.1 | 54% | 76.43 | 1020.2 | |||||||
| 06 | 03:56 | Calm | 16.09 | Partly Cloudy | SCT050 | 8.3 | 0 | 56% | 76.33 | 1018.7 | |||||||
| 06 | 02:56 | NW 11 | 16.09 | Partly Cloudy | SCT050 | 10 | 0.6 | 52% | 9 | 76.28 | 1018.1 | ||||||
| 06 | 01:56 | NW 13 G 33 | 16.09 | A Few Clouds | FEW060 | 11.1 | 0.6 | 49% | 76.2 | 1017.2 | |||||||
| 06 | 00:56 | NW 20 G 39 | 16.09 | Fair | CLR | 11.7 | 0.6 | 20.6 | 11.7 | 47% | 76.12 | 1016.0 | |||||
| 05 | 23:56 | NW 19 G 30 | 16.09 | Fair | CLR | 13.3 | 3.3 | 51% | 76.02 | 1014.7 | |||||||
| 05 | 22:56 | NW 22 G 46 | 16.09 | Overcast | FEW047 BKN065 OVC080 | 17.2 | 7.2 | 52% | 75.84 | 1012.1 | |||||||
| 05 | 21:56 | W 28 G 39 | 16.09 | Mostly Cloudy | BKN080 | 20 | 6.7 | 42% | 75.62 | 1009.1 | |||||||
| 05 | 20:56 | W 24 G 37 | 16.09 | Mostly Cloudy | BKN090 | 20.6 | 5.6 | 38% | 75.54 | 1008.3 | |||||||
| 05 | 19:56 | SW 13 | 16.09 | Overcast | OVC085 | 20 | 3.9 | 35% | 75.57 | 1008.7 | |||||||
| 05 | 18:56 | W 11 | 16.09 | Fair | CLR | 18.9 | 3.9 | 21.7 | 18.3 | 37% | 75.59 | 1009.3 | |||||
| 05 | 17:56 | SW 13 | 16.09 | Fair | CLR | 19.4 | 3.9 | 36% | 75.59 | 1009.1 | |||||||
| 05 | 16:56 | SW 7 | 16.09 | Fair | CLR | 20.6 | 2.8 | 31% | 75.57 | 1008.9 | |||||||
| 05 | 15:56 | SW 15 G 28 | 16.09 | Fair | CLR | 21.7 | 3.3 | 30% | 75.59 | 1009.1 | |||||||
| 05 | 14:56 | S 17 G 28 | 16.09 | Fair | CLR | 21.7 | 3.9 | 31% | 75.64 | 1009.7 | |||||||
| 05 | 13:56 | Vrbl 9 G 30 | 16.09 | Fair | CLR | 20.6 | 3.3 | 32% | 75.74 | 1011.2 | |||||||
| 05 | 12:56 | SW 19 G 35 | 16.09 | Fair | CLR | 21.1 | 1.7 | 21.1 | 2.8 | 28% | 75.87 | 1012.7 | |||||
| 05 | 11:56 | SW 13 | 16.09 | Fair | CLR | 20 | -0.6 | 25% | 76.02 | 1014.7 | |||||||
| 05 | 10:56 | S 17 | 16.09 | Fair | CLR | 17.8 | -0.6 | 29% | 76.17 | 1016.8 | |||||||
| 05 | 09:56 | SW 11 | 16.09 | Fair | CLR | 16.1 | -0.6 | 32% | 76.28 | 1018.5 | |||||||
| 05 | 08:56 | S 9 | 16.09 | Fair | CLR | 13.3 | -1.1 | 37% | 76.4 | 1020.3 | |||||||
| 05 | 07:56 | Vrbl 6 | 16.09 | Fair | CLR | 8.3 | -0.6 | 54% | 76.5 | 1021.6 | |||||||
| 05 | 06:56 | Calm | 16.09 | Fair | CLR | 2.8 | -1.1 | 4.4 | 1.1 | 76% | 76.58 | 1022.6 | |||||
| 05 | 05:56 | Calm | 16.09 | Fair | CLR | 1.7 | -0.6 | 85% | 76.61 | 1023.0 | |||||||
| 05 | 04:56 | Calm | 16.09 | Fair | CLR | 1.7 | -0.6 | 85% | 76.63 | 1023.5 | |||||||
| 05 | 03:56 | Calm | 16.09 | Fair | CLR | 3.9 | -2.2 | 65% | 76.66 | 1023.6 | |||||||
| 05 | 02:56 | Calm | 16.09 | Fair | CLR | 2.8 | 0.6 | 86% | 76.68 | 1023.9 | |||||||
| 05 | 01:56 | Calm | 16.09 | Fair | CLR | 3.9 | -1.1 | 70% | 76.71 | 1024.5 | |||||||
| 05 | 00:56 | Calm | 16.09 | Fair | CLR | 4.4 | -2.2 | 9.4 | 3.9 | 63% | 76.76 | 1024.7 | |||||
| 04 | 23:56 | Calm | 16.09 | Fair | CLR | 4.4 | -1.7 | 65% | 76.81 | 1025.3 | |||||||
| 04 | 22:56 | Calm | 16.09 | Fair | CLR | 5 | 0 | 70% | 76.81 | 1025.6 | |||||||
| 04 | 21:56 | Calm | 16.09 | Fair | CLR | 5 | 0 | 70% | 76.84 | 1025.9 | |||||||
| 04 | 20:56 | Calm | 16.09 | Fair | CLR | 7.2 | -2.2 | 52% | 76.84 | 1025.7 | |||||||
| 04 | 19:56 | Calm | 16.09 | Fair | CLR | 8.9 | -1.7 | 48% | 76.81 | 1025.7 | |||||||
| 04 | 18:56 | Calm | 16.09 | Fair | CLR | 8.3 | -0.6 | 16.1 | 8.3 | 54% | 76.81 | 1025.5 | |||||
| 04 | 17:56 | NW 6 | 16.09 | Fair | CLR | 11.1 | -3.3 | 37% | 76.76 | 1024.9 | |||||||
| 04 | 16:56 | W 7 | 16.09 | Fair | CLR | 13.9 | -4.4 | 28% | 76.71 | 1024.3 | |||||||
| 04 | 15:56 | W 15 | 16.09 | Fair | CLR | 15.6 | -3.9 | 26% | 76.68 | 1023.7 | |||||||
| 04 | 14:56 | W 15 | 16.09 | Fair | CLR | 16.1 | -3.3 | 26% | 76.68 | 1023.6 | |||||||
| 04 | 13:56 | W 20 G 33 | 16.09 | Fair | CLR | 15.6 | -2.8 | 28% | 76.73 | 1024.2 | |||||||
| 04 | 12:56 | W 19 | 16.09 | Fair | CLR | 13.9 | -0.6 | 15 | 5 | 37% | 76.76 | 1024.9 | |||||
| 04 | 11:56 | NW 22 G 31 | 16.09 | Fair | CLR | 14.4 | -1.1 | 35% | 76.84 | 1025.8 | |||||||
| 04 | 10:56 | W 22 G 33 | 16.09 | Fair | CLR | 13.9 | 0 | 39% | 76.89 | 1026.4 | |||||||
| 04 | 09:56 | W 15 G 26 | 16.09 | Fair | CLR | 12.2 | 0 | 43% | 76.89 | 1026.6 | |||||||
| 04 | 08:56 | W 17 | 16.09 | Fair | CLR | 11.1 | 0 | 47% | 76.91 | 1026.8 | |||||||
| 04 | 07:56 | SW 7 | 16.09 | Fair | CLR | 8.9 | 0.6 | 56% | 8 | 76.86 | 1026.1 | ||||||
| 04 | 06:56 | Calm | 16.09 | Fair | CLR | 5 | -0.6 | 10.6 | 5 | 67% | 76.76 | 1024.9 | |||||
| 04 | 05:56 | Calm | 16.09 | Fair | CLR | 5.6 | -0.6 | 65% | 76.68 | 1024.1 | |||||||
| 04 | 04:56 | W 6 | 16.09 | Fair | CLR | 7.2 | -0.6 | 58% | 76.63 | 1023.2 | |||||||
| 04 | 03:56 | W 11 | 16.09 | Fair | CLR | 7.8 | -0.6 | 56% | 6 | 76.56 | 1022.2 | ||||||
| 04 | 02:56 | NW 17 G 30 | 16.09 | Fair | CLR | 10 | -0.6 | 48% | 8 | 76.53 | 1021.4 | ||||||
| 04 | 01:56 | NW 15 G 30 | 16.09 | Fair | CLR | 10.6 | 0.6 | 50% | 76.5 | 1021.0 | |||||||
| 04 | 00:56 | W 13 | 16.09 | Fair | CLR | 8.9 | 2.2 | 13.3 | 8.9 | 63% | 7 | 76.43 | 1020.4 | ||||
| 03 | 23:56 | W 17 | 16.09 | Fair | CLR | 10 | 2.2 | 59% | 8 | 76.38 | 1019.7 | ||||||
| 03 | 22:56 | W 19 | 16.09 | Fair | CLR | 9.4 | 2.2 | 61% | 7 | 76.38 | 1019.6 | ||||||
| 03 | 21:56 | W 17 | 16.09 | Fair | CLR | 10 | 2.2 | 59% | 8 | 76.38 | 1019.7 | ||||||
| 03 | 20:56 | W 15 | 16.09 | Fair | CLR | 10.6 | 1.7 | 54% | 76.3 | 1018.9 | |||||||
| 03 | 19:56 | W 22 G 33 | 16.09 | Fair | CLR | 12.2 | 1.7 | 49% | 76.28 | 1018.5 | |||||||
| 03 | 18:56 | W 15 | 16.09 | Fair | CLR | 12.8 | 2.2 | 18.3 | 12.8 | 49% | 76.23 | 1017.8 | |||||
| 03 | 17:56 | W 17 | 16.09 | Fair | CLR | 13.9 | 2.8 | 47% | 76.17 | 1017.1 | |||||||
| 03 | 16:56 | NW 31 G 39 | 16.09 | Fair | CLR | 15.6 | 2.2 | 41% | 76.15 | 1016.8 | |||||||
| 03 | 15:56 | W 17 | 16.09 | Fair | CLR | 17.8 | 3.9 | 40% | 76.12 | 1016.2 | |||||||
| 03 | 14:56 | SW 15 | 16.09 | Fair | CLR | 18.3 | 3.3 | 37% | 76.12 | 1016.1 | |||||||
| 03 | 13:56 | W 11 | 16.09 | Fair | CLR | 17.8 | 5 | 43% | 76.2 | 1017.2 | |||||||
| 03 | 12:56 | NW 15 | 16.09 | Mostly Cloudy | BKN043 | 17.2 | 6.7 | 17.8 | 10 | 50% | 76.3 | 1018.6 | |||||
| 03 | 11:56 | SW 9 | 16.09 | A Few Clouds | FEW021 | 16.7 | 9.4 | 62% | 76.38 | 1019.5 | |||||||
| Date | Time (est) | 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) | |||||||||||||||