Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 18 | 23:56 | Vrbl 3 | 10.00 | Overcast | BKN090 OVC110 | 64 | 57.9 | 81% | 29.84 | 1011.6 | |||||||
| 18 | 22:56 | E 5 | 10.00 | Fair | CLR | 64 | 57 | 78% | 29.83 | 1011.2 | |||||||
| 18 | 21:56 | E 9 G 17 | 10.00 | Fair | CLR | 66 | 55 | 68% | 29.84 | 1011.5 | |||||||
| 18 | 20:56 | SE 14 G 23 | 10.00 | Fair | CLR | 69.1 | 55 | 61% | 29.83 | 1011.2 | |||||||
| 18 | 19:56 | SE 17 G 21 | 10.00 | Fair | CLR | 71.1 | 55 | 80.1 | 71.1 | 57% | 29.82 | 1010.8 | |||||
| 18 | 18:56 | Vrbl 7 G 16 | 10.00 | Fair | CLR | 72 | 57.9 | 61% | 29.84 | 1011.5 | |||||||
| 18 | 17:56 | SE 10 G 18 | 10.00 | Fair | CLR | 75.9 | 59 | 56% | 78 | 29.86 | 1012.2 | ||||||
| 18 | 16:56 | SE 14 G 21 | 10.00 | Fair | CLR | 77 | 59 | 54% | 79 | 29.87 | 1012.4 | ||||||
| 18 | 15:56 | E 9 | 10.00 | Fair | CLR | 75.9 | 60.1 | 58% | 78 | 29.89 | 1013.1 | ||||||
| 18 | 14:56 | E 10 G 24 | 10.00 | Fair | CLR | 78.1 | 59 | 52% | 79 | 29.92 | 1014.3 | ||||||
| 18 | 13:56 | E 7 G 16 | 10.00 | Fair | CLR | 78.1 | 60.1 | 81 | 62.1 | 54% | 79 | 29.94 | 1014.7 | ||||
| 18 | 12:56 | S 8 | 10.00 | Fair | CLR | 79 | 59 | 50% | 80 | 29.96 | 1015.4 | ||||||
| 18 | 11:56 | SE 13 | 10.00 | Fair | CLR | 78.1 | 59 | 52% | 79 | 29.99 | 1016.4 | ||||||
| 18 | 10:56 | SE 9 | 10.00 | Fair | CLR | 75.9 | 59 | 56% | 78 | 30 | 1016.8 | ||||||
| 18 | 09:56 | Vrbl 6 | 10.00 | Fair | CLR | 71.1 | 59 | 66% | 30 | 1017.0 | |||||||
| 18 | 08:56 | Vrbl 5 | 10.00 | Fair | CLR | 66 | 59 | 78% | 30.01 | 1017.4 | |||||||
| 18 | 07:56 | Calm | 10.00 | Fair | CLR | 61 | 59 | 61 | 54 | 93% | 30.02 | 1017.7 | |||||
| 18 | 06:56 | Calm | 10.00 | Fair | CLR | 57 | 57 | 100% | 30 | 1017.0 | |||||||
| 18 | 05:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 29.99 | 1016.8 | |||||||
| 18 | 04:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 29.99 | 1016.5 | |||||||
| 18 | 03:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 30 | 1016.9 | |||||||
| 18 | 02:56 | Calm | 10.00 | Fair | CLR | 55.9 | 55.9 | 100% | 30 | 1017.0 | |||||||
| 18 | 01:56 | NW 3 | 10.00 | Fair | CLR | 57.9 | 57.9 | 71.1 | 57 | 100% | 30.01 | 1017.4 | |||||
| 18 | 00:56 | Calm | 10.00 | Fair | CLR | 57.9 | 57.9 | 100% | 30 | 1017.0 | |||||||
| 17 | 23:56 | Calm | 10.00 | Fair | CLR | 59 | 57.9 | 96% | 29.99 | 1016.6 | |||||||
| 17 | 22:56 | Calm | 10.00 | Fair | CLR | 63 | 54 | 73% | 29.99 | 1016.4 | |||||||
| 17 | 21:56 | Calm | 10.00 | Fair | CLR | 63 | 55 | 76% | 29.98 | 1016.2 | |||||||
| 17 | 20:56 | Calm | 10.00 | Fair | CLR | 66.9 | 54 | 63% | 29.98 | 1016.0 | |||||||
| 17 | 19:56 | Calm | 10.00 | Fair | CLR | 71.1 | 53.1 | 80.1 | 71.1 | 53% | 29.97 | 1015.7 | |||||
| 17 | 18:56 | Calm | 10.00 | Fair | CLR | 77 | 54 | 45% | 78 | 29.96 | 1015.6 | ||||||
| 17 | 17:56 | NW 8 | 10.00 | Fair | CLR | 78.1 | 53.1 | 42% | 79 | 29.95 | 1015.3 | ||||||
| 17 | 16:56 | NW 8 G 21 | 10.00 | Partly Cloudy | SCT060 | 75.9 | 52 | 43% | 78 | 29.95 | 1015.2 | ||||||
| 17 | 15:56 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN060 | 77 | 53.1 | 43% | 78 | 29.95 | 1015.1 | ||||||
| 17 | 14:56 | NW 12 G 20 | 10.00 | Partly Cloudy | SCT060 | 77 | 53.1 | 43% | 78 | 29.96 | 1015.3 | ||||||
| 17 | 13:56 | NW 8 | 10.00 | Mostly Cloudy | BKN060 | 75 | 54 | 79 | 66 | 48% | 78 | 29.96 | 1015.6 | ||||
| 17 | 12:56 | NW 12 G 16 | 10.00 | Overcast | OVC060 | 73.9 | 53.1 | 48% | 29.96 | 1015.4 | |||||||
| 17 | 11:56 | Vrbl 7 G 17 | 10.00 | Partly Cloudy | SCT049 | 75.9 | 53.1 | 45% | 78 | 29.97 | 1015.6 | ||||||
| 17 | 10:56 | Vrbl 7 G 17 | 10.00 | A Few Clouds | FEW047 | 75 | 55 | 50% | 78 | 29.96 | 1015.4 | ||||||
| 17 | 09:56 | Vrbl 6 | 10.00 | Fair | CLR | 73 | 55.9 | 55% | 29.95 | 1015.1 | |||||||
| 17 | 08:56 | NW 7 | 10.00 | Fair | CLR | 69.1 | 57 | 66% | 29.94 | 1014.7 | |||||||
| 17 | 07:56 | NW 7 | 10.00 | Fair | CLR | 66 | 61 | 71.1 | 62.1 | 84% | 29.91 | 1013.8 | |||||
| 17 | 06:56 | NW 6 | 10.00 | Fair | CLR | 64 | 62.1 | 93% | 29.9 | 1013.5 | |||||||
| 17 | 05:56 | NW 3 | 10.00 | Fair | CLR | 64.9 | 62.1 | 90% | 29.88 | 1012.6 | |||||||
| 17 | 04:56 | NW 5 | 10.00 | Partly Cloudy | SCT100 | 64.9 | 61 | 87% | 29.87 | 1012.2 | |||||||
| 17 | 03:56 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN090 | 68 | 60.1 | 76% | 29.86 | 1012.0 | |||||||
| 17 | 02:56 | NW 6 | 10.00 | A Few Clouds | FEW110 | 69.1 | 59 | 70% | 29.86 | 1012.0 | |||||||
| 17 | 01:56 | NW 10 G 17 | 10.00 | Mostly Cloudy | FEW080 BKN110 | 71.1 | 59 | 84 | 71.1 | 66% | 29.87 | 1012.4 | |||||
| 17 | 00:56 | NW 8 | 10.00 | Mostly Cloudy | BKN110 | 73 | 57 | 57% | 29.87 | 1012.3 | |||||||
| 16 | 23:56 | NW 14 G 21 | 10.00 | Mostly Cloudy | BKN120 | 75.9 | 55.9 | 50% | 78 | 29.85 | 1011.6 | ||||||
| 16 | 22:56 | Vrbl 3 | 10.00 | Partly Cloudy | SCT120 | 73.9 | 52 | 46% | 29.82 | 1010.5 | |||||||
| 16 | 21:56 | W 3 | 10.00 | A Few Clouds | FEW110 | 79 | 52 | 39% | 79 | 29.8 | 1009.8 | ||||||
| 16 | 20:56 | S 3 | 10.00 | Fair | CLR | 82 | 52 | 35% | 81 | 29.77 | 1008.9 | ||||||
| 16 | 19:56 | SW 5 | 10.00 | Fair | CLR | 84 | 51.1 | 91 | 84 | 32% | 82 | 29.77 | 1008.8 | ||||
| 16 | 18:56 | SW 12 G 16 | 10.00 | Fair | CLR | 88 | 52 | 29% | 86 | 29.76 | 1008.6 | ||||||
| 16 | 17:56 | S 12 G 18 | 10.00 | Fair | CLR | 90 | 57 | 33% | 89 | 29.77 | 1008.8 | ||||||
| 16 | 16:56 | S 12 | 10.00 | Fair | CLR | 90 | 57 | 33% | 89 | 29.78 | 1009.2 | ||||||
| 16 | 15:56 | S 9 G 21 | 10.00 | Fair | CLR | 90 | 55.9 | 32% | 88 | 29.81 | 1010.0 | ||||||
| 16 | 14:56 | SE 13 G 17 | 10.00 | Fair | CLR | 90 | 57 | 33% | 89 | 29.85 | 1011.5 | ||||||
| 16 | 13:56 | S 10 | 10.00 | Fair | CLR | 89.1 | 57.9 | 90 | 66 | 35% | 88 | 29.89 | 1012.8 | ||||
| 16 | 12:56 | Vrbl 3 | 10.00 | Fair | CLR | 90 | 59 | 35% | 89 | 29.91 | 1013.7 | ||||||
| 16 | 11:56 | W 6 | 10.00 | Fair | CLR | 84 | 57.9 | 41% | 83 | 29.94 | 1014.6 | ||||||
| 16 | 10:56 | Calm | 10.00 | Fair | CLR | 82.9 | 55 | 38% | 82 | 29.95 | 1015.1 | ||||||
| 16 | 09:56 | Calm | 10.00 | Fair | CLR | 81 | 55.9 | 42% | 81 | 29.96 | 1015.4 | ||||||
| 16 | 08:56 | SW 6 | 10.00 | Fair | CLR | 75 | 57.9 | 55% | 78 | 29.97 | 1015.6 | ||||||
| 16 | 07:56 | Calm | 10.00 | Fair | CLR | 66 | 59 | 71.1 | 62.1 | 78% | 29.97 | 1015.7 | |||||
| 16 | 06:56 | Calm | 10.00 | Fair | CLR | 63 | 55 | 76% | 29.95 | 1015.0 | |||||||
| 16 | 05:56 | Calm | 10.00 | Fair | CLR | 63 | 55.9 | 78% | 29.94 | 1014.6 | |||||||
| 16 | 04:56 | Calm | 10.00 | Fair | CLR | 66 | 53.1 | 63% | 29.93 | 1014.1 | |||||||
| 16 | 03:56 | Calm | 10.00 | Fair | CLR | 66 | 54 | 65% | 29.93 | 1014.1 | |||||||
| 16 | 02:56 | Calm | 10.00 | Fair | CLR | 66 | 55.9 | 70% | 29.91 | 1013.9 | |||||||
| 16 | 01:56 | Calm | 10.00 | Fair | CLR | 70 | 53.1 | 82.9 | 70 | 55% | 29.92 | 1014.0 | |||||
| 16 | 00:56 | S 3 | 10.00 | Fair | CLR | 75.9 | 53.1 | 45% | 78 | 29.94 | 1014.8 | ||||||
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||