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. | ||||||||||||||||
| 15 | 15:56 | W 10 | 10.00 | Overcast | BKN065 OVC080 | 73.9 | 53.1 | 48% | 29.84 | 1011.6 | |||||||
| 15 | 14:56 | NW 9 | 10.00 | Mostly Cloudy | FEW050 BKN075 | 75.9 | 55 | 48% | 78 | 29.84 | 1011.4 | ||||||
| 15 | 13:56 | Vrbl 7 G 16 | 10.00 | Mostly Cloudy | FEW048 BKN070 | 75 | 55 | 75.9 | 66 | 50% | 78 | 29.86 | 1011.9 | ||||
| 15 | 12:56 | W 14 G 17 | 10.00 | Mostly Cloudy | SCT049 BKN070 | 73.9 | 55.9 | 54% | 29.86 | 1012.0 | |||||||
| 15 | 11:56 | NW 12 G 18 | 10.00 | Mostly Cloudy | SCT047 BKN060 | 71.1 | 53.1 | 53% | 29.86 | 1012.2 | |||||||
| 15 | 10:56 | NW 10 | 10.00 | Mostly Cloudy | BKN041 | 71.1 | 54 | 55% | 29.86 | 1011.9 | |||||||
| 15 | 09:56 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN039 | 70 | 55 | 59% | 29.84 | 1011.4 | |||||||
| 15 | 08:56 | NW 9 G 17 | 10.00 | Fair | CLR | 69.1 | 55 | 61% | 29.84 | 1011.2 | |||||||
| 15 | 07:56 | W 9 | 10.00 | Fair | CLR | 66 | 55.9 | 71.1 | 63 | 70% | 29.84 | 1011.3 | |||||
| 15 | 06:56 | Vrbl 7 | 10.00 | Fair | CLR | 64 | 57 | 78% | 29.82 | 1010.5 | |||||||
| 15 | 05:56 | NW 9 | 10.00 | Fair | CLR | 64 | 57.9 | 81% | 29.79 | 1009.6 | |||||||
| 15 | 04:56 | NW 12 G 20 | 10.00 | Fair | CLR | 64.9 | 57 | 76% | 29.76 | 1008.4 | |||||||
| 15 | 03:56 | NW 20 G 25 | 10.00 | Mostly Cloudy | BKN110 | 66.9 | 57 | 71% | 29.75 | 1008.1 | |||||||
| 15 | 02:56 | NW 16 G 22 | 10.00 | Mostly Cloudy | BKN120 | 70 | 61 | 73% | 29.73 | 1007.5 | |||||||
| 15 | 01:56 | NW 14 G 20 | 10.00 | Mostly Cloudy | BKN024 BKN100 BKN120 | 71.1 | 66 | 86 | 71.1 | 84% | 29.73 | 1007.7 | |||||
| 15 | 00:56 | W 14 G 20 | 10.00 | Mostly Cloudy | BKN045 | 73 | 64.9 | 76% | 29.72 | 1007.3 | |||||||
| 14 | 23:56 | SW 3 | 10.00 | A Few Clouds | FEW120 | 75.9 | 69.1 | 79% | 77 | 29.69 | 1006.3 | ||||||
| 14 | 22:56 | S 6 | 10.00 | Overcast | BKN065 BKN080 OVC100 | 78.1 | 68 | 71% | 80 | 29.7 | 1006.7 | ||||||
| 14 | 21:56 | S 8 | 10.00 | Fair | CLR | 80.1 | 66.9 | 64% | 82 | 29.68 | 1005.9 | ||||||
| 14 | 20:56 | S 12 G 22 | 10.00 | Thunderstorm in Vicinity | SCT050 BKN060 | 84.9 | 69.1 | 59% | 89 | 29.64 | 1004.3 | ||||||
| 14 | 19:56 | S 5 | 10.00 | Partly Cloudy | SCT110 | 86 | 69.1 | 91 | 86 | 57% | 90 | 29.67 | 1005.3 | ||||
| 14 | 18:56 | S 8 | 10.00 | Fair | CLR | 87.1 | 68 | 53% | 91 | 29.68 | 1005.8 | ||||||
| 14 | 17:56 | S 7 | 10.00 | Fair | CLR | 88 | 66.9 | 50% | 91 | 29.7 | 1006.6 | ||||||
| 14 | 16:56 | S 12 G 17 | 10.00 | Fair | CLR | 90 | 68 | 48% | 94 | 29.73 | 1007.5 | ||||||
| 14 | 15:56 | S 8 | 10.00 | A Few Clouds | FEW055 | 91 | 66.9 | 45% | 94 | 29.77 | 1008.9 | ||||||
| 14 | 14:56 | S 9 G 18 | 10.00 | Partly Cloudy | SCT050 | 88 | 68 | 52% | 92 | 29.81 | 1010.1 | ||||||
| 14 | 13:56 | S 6 | 10.00 | A Few Clouds | FEW048 | 89.1 | 69.1 | 89.1 | 71.1 | 52% | 94 | 29.83 | 1010.7 | ||||
| 14 | 12:56 | S 7 | 10.00 | Fair | CLR | 89.1 | 66.9 | 48% | 92 | 29.86 | 1011.9 | ||||||
| 14 | 10:56 | S 6 | 10.00 | Fair | CLR | 86 | 66.9 | 53% | 89 | 29.91 | 1013.6 | ||||||
| 14 | 09:56 | Calm | 10.00 | Fair | CLR | 80.1 | 68 | 67% | 83 | 29.91 | 1013.7 | ||||||
| 14 | 08:56 | SW 5 | 10.00 | Fair | CLR | 75 | 68 | 79% | 76 | 29.93 | 1014.3 | ||||||
| 14 | 07:56 | Calm | 10.00 | Fair | CLR | 71.1 | 70 | 71.1 | 64.9 | 96% | 29.92 | 1014.1 | |||||
| 14 | 06:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 29.92 | 1013.9 | |||||||
| 14 | 05:56 | Calm | 10.00 | Fair | CLR | 66 | 66 | 100% | 29.91 | 1013.6 | |||||||
| 14 | 04:56 | SE 5 | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 29.9 | 1013.5 | |||||||
| 14 | 03:56 | Calm | 10.00 | Fair | CLR | 66 | 66 | 100% | 29.91 | 1013.8 | |||||||
| 14 | 02:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 29.94 | 1014.7 | |||||||
| 14 | 01:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 81 | 66.9 | 100% | 29.95 | 1014.9 | |||||
| 14 | 00:56 | Calm | 10.00 | Fair | CLR | 69.1 | 66 | 90% | 29.96 | 1015.4 | |||||||
| 13 | 23:56 | Calm | 10.00 | Fair | CLR | 69.1 | 66.9 | 93% | 29.97 | 1015.7 | |||||||
| 13 | 22:56 | Calm | 10.00 | Fair | CLR | 71.1 | 66 | 84% | 29.97 | 1015.8 | |||||||
| 13 | 21:56 | Calm | 10.00 | Fair | CLR | 72 | 64 | 76% | 29.96 | 1015.5 | |||||||
| 13 | 20:56 | Calm | 10.00 | Fair | CLR | 75.9 | 61 | 60% | 78 | 29.95 | 1015.0 | ||||||
| 13 | 19:56 | Calm | 10.00 | Fair | CLR | 80.1 | 61 | 87.1 | 80.1 | 52% | 81 | 29.95 | 1014.9 | ||||
| 13 | 18:56 | W 8 | 10.00 | Fair | CLR | 84 | 61 | 46% | 84 | 29.95 | 1014.8 | ||||||
| 13 | 17:56 | W 6 | 10.00 | A Few Clouds | FEW070 | 86 | 61 | 43% | 86 | 29.95 | 1014.8 | ||||||
| 13 | 16:56 | NW 8 | 10.00 | A Few Clouds | FEW060 | 84 | 62.1 | 48% | 85 | 29.95 | 1015.0 | ||||||
| 13 | 15:56 | Vrbl 7 | 10.00 | Partly Cloudy | SCT065 | 84.9 | 61 | 45% | 85 | 29.96 | 1015.2 | ||||||
| 13 | 14:56 | NW 8 | 10.00 | Partly Cloudy | SCT060 | 84.9 | 60.1 | 43% | 85 | 29.96 | 1015.4 | ||||||
| 13 | 13:56 | W 8 | 10.00 | Fair | CLR | 84.9 | 60.1 | 84.9 | 73.9 | 43% | 85 | 29.99 | 1016.2 | ||||
| 13 | 12:56 | Calm | 10.00 | Partly Cloudy | SCT060 | 84 | 60.1 | 44% | 84 | 30 | 1016.6 | ||||||
| 13 | 11:56 | Vrbl 3 | 10.00 | Fair | CLR | 82 | 60.1 | 47% | 82 | 30.01 | 1016.9 | ||||||
| 13 | 10:56 | Vrbl 5 | 10.00 | Fair | CLR | 82 | 60.1 | 47% | 82 | 30.01 | 1017.1 | ||||||
| 13 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 79 | 59 | 50% | 80 | 30.01 | 1017.0 | ||||||
| 13 | 08:56 | Vrbl 5 | 10.00 | Fair | CLR | 77 | 60.1 | 56% | 79 | 30 | 1016.8 | ||||||
| 13 | 07:56 | Vrbl 5 | 10.00 | Fair | CLR | 73.9 | 64 | 73.9 | 66.9 | 71% | 29.98 | 1015.9 | |||||
| 13 | 06:56 | Calm | 10.00 | Fair | CLR | 69.1 | 68 | 96% | 29.96 | 1015.2 | |||||||
| 13 | 05:56 | Calm | 10.00 | Fair | CLR | 68 | 66.9 | 96% | 29.94 | 1014.8 | |||||||
| 13 | 04:56 | Calm | 10.00 | Fair | CLR | 70 | 66 | 87% | 29.93 | 1014.5 | |||||||
| 13 | 03:56 | NW 5 | 10.00 | Fair | CLR | 70 | 66.9 | 90% | 29.92 | 1014.1 | |||||||
| 13 | 02:56 | NW 8 | 10.00 | Fair | CLR | 71.1 | 66.9 | 87% | 29.91 | 1013.6 | |||||||
| 13 | 01:56 | NW 6 | 10.00 | Fair | CLR | 72 | 72 | 82 | 71.1 | 100% | 29.92 | 1014.1 | |||||
| 13 | 00:56 | W 5 | 10.00 | A Few Clouds | FEW120 | 73.4 | 0 | 0% | 29.91 | 1013.8 | |||||||
| 12 | 23:56 | NW 5 | 10.00 | Fair | CLR | 73.9 | 73.9 | 100% | 29.92 | 1014.2 | |||||||
| 12 | 22:56 | W 3 | 10.00 | A Few Clouds | FEW120 | 73.9 | 73.9 | 100% | 29.92 | 1013.9 | |||||||
| 12 | 21:56 | Calm | 10.00 | Fair | CLR | 75.9 | 72 | 88% | 76 | 29.9 | 1013.4 | ||||||
| 12 | 19:56 | W 7 | 10.00 | Thunderstorm in Vicinity Light Rain | BKN060 | 82 | 75 | 93 | 82 | 79% | 89 | 29.84 | 1011.3 | ||||
| 12 | 18:56 | NW 5 | 10.00 | Partly Cloudy | FEW065 SCT085 | 87.1 | 72 | 61% | 94 | 29.81 | 1010.2 | ||||||
| 12 | 17:56 | W 7 | 10.00 | Mostly Cloudy | SCT070 BKN080 | 91 | 70 | 50% | 97 | 29.8 | 1009.7 | ||||||
| 12 | 16:56 | W 14 | 10.00 | A Few Clouds | FEW065 | 93 | 69.1 | 46% | 98 | 29.8 | 1009.8 | ||||||
| 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) | |||||||||||||||