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. | ||||||||||||||||
| 05 | 15:56 | SE 6 | 10.00 | Fair | CLR | 91.9 | 71.1 | 51% | 99 | 29.9 | 1013.4 | ||||||
| 05 | 14:56 | Calm | 10.00 | Fair | CLR | 93 | 71.1 | 49% | 100 | 29.94 | 1014.5 | ||||||
| 05 | 13:56 | SE 8 | 10.00 | Fair | CLR | 91 | 73 | 93 | 77 | 56% | 100 | 29.96 | 1015.2 | ||||
| 05 | 12:56 | Vrbl 5 | 10.00 | Fair | CLR | 90 | 72 | 56% | 97 | 29.97 | 1015.6 | ||||||
| 05 | 11:56 | SE 5 | 10.00 | Fair | CLR | 89.1 | 72 | 57% | 96 | 29.98 | 1016.1 | ||||||
| 05 | 10:56 | Calm | 10.00 | Fair | CLR | 86 | 73 | 65% | 93 | 29.99 | 1016.2 | ||||||
| 05 | 09:56 | NE 3 | 10.00 | Partly Cloudy | SCT055 | 82 | 73 | 74% | 87 | 29.99 | 1016.4 | ||||||
| 05 | 08:56 | Calm | 10.00 | Fair | CLR | 80.1 | 73.9 | 82% | 85 | 30 | 1016.6 | ||||||
| 05 | 07:56 | Calm | 10.00 | Fair | CLR | 77 | 75.9 | 77 | 71.1 | 96% | 78 | 30 | 1016.7 | ||||
| 05 | 06:56 | Calm | 9.00 | A Few Clouds | FEW095 | 73.4 | 0 | 0% | 29.99 | 1016.6 | |||||||
| 05 | 05:56 | Calm | 8.00 | Fair | CLR | 71.6 | 0 | 0% | 29.98 | 1015.8 | |||||||
| 05 | 04:56 | SE 5 | 6.00 | Partly Cloudy with Haze | SCT120 | 71.6 | 0 | 0% | 29.94 | 1014.5 | |||||||
| 05 | 03:56 | Vrbl 3 | 8.00 | Fair | CLR | 71.6 | 0 | 0% | 29.96 | 1015.1 | |||||||
| 05 | 02:56 | Calm | 7.00 | Fair | CLR | 71.6 | 0 | 0% | 29.93 | 1014.2 | |||||||
| 05 | 01:56 | SE 3 | 8.00 | Fair | CLR | 71.6 | 0 | 75.9 | 71.1 | 0% | 29.96 | 1015.4 | 0.04 | ||||
| 05 | 00:56 | Calm | 9.00 | A Few Clouds | FEW100 | 71.6 | 0 | 0% | 29.96 | 1015.3 | |||||||
| 04 | 23:56 | Calm | 9.00 | Fair | CLR | 71.6 | 0 | 0% | 29.97 | 1015.7 | |||||||
| 04 | 22:56 | Calm | 6.00 | Partly Cloudy with Haze | SCT110 | 71.6 | 0 | 0% | 29.99 | 1016.3 | 0.04 | ||||||
| 04 | 21:56 | S 5 | 10.00 | Mostly Cloudy | BKN110 | 75 | 72 | 90% | 74 | 30.02 | 1017.4 | ||||||
| 04 | 20:56 | W 5 | 10.00 | A Few Clouds | FEW100 | 75 | 75 | 100% | 72 | 29.97 | 1015.8 | 0.04 | |||||
| 04 | 19:56 | N 3 | 4.00 | Light Rain | SCT110 | 73.4 | 0 | 100.9 | 70 | 0% | 29.97 | 1015.8 | |||||
| 04 | 18:56 | NW 12 G 16 | 4.00 | Thunderstorm Light Rain Fog/Mist | FEW008 BKN055 BKN095 | 71.1 | 71.1 | 100% | 29.94 | 1014.9 | 1.02 | ||||||
| 04 | 17:56 | S 6 | 10.00 | Partly Cloudy | SCT080 | 97 | 70 | 42% | 104 | 29.88 | 1012.4 | ||||||
| 04 | 16:56 | SW 3 | 10.00 | A Few Clouds | FEW070 | 100.9 | 72 | 39% | 111 | 29.92 | 1013.6 | ||||||
| 04 | 15:56 | Vrbl 6 | 10.00 | Fair | CLR | 97 | 69.1 | 40% | 103 | 29.94 | 1014.2 | ||||||
| 04 | 14:56 | S 5 | 10.00 | Fair | CLR | 99 | 70 | 39% | 106 | 29.96 | 1014.9 | ||||||
| 04 | 13:56 | NW 6 | 10.00 | Fair | CLR | 97 | 70 | 97 | 81 | 42% | 104 | 29.98 | 1015.8 | ||||
| 04 | 12:56 | Vrbl 5 | 10.00 | Fair | CLR | 95 | 69.1 | 43% | 101 | 30.01 | 1016.6 | ||||||
| 04 | 11:56 | NW 6 | 10.00 | Fair | CLR | 93.9 | 69.1 | 44% | 99 | 30.02 | 1016.9 | ||||||
| 04 | 10:56 | NW 5 | 10.00 | Fair | CLR | 91 | 71.1 | 52% | 98 | 30.02 | 1017.1 | ||||||
| 04 | 09:56 | W 6 | 10.00 | Fair | CLR | 88 | 70 | 55% | 93 | 30.03 | 1017.6 | ||||||
| 04 | 08:56 | W 5 | 10.00 | Fair | CLR | 84.9 | 70 | 61% | 89 | 30.03 | 1017.6 | ||||||
| 04 | 07:56 | W 7 | 10.00 | Fair | CLR | 81 | 72 | 81 | 73.9 | 74% | 85 | 30.02 | 1017.2 | ||||
| 04 | 06:56 | Calm | 10.00 | Fair | CLR | 75 | 75 | 100% | 72 | 30.01 | 1016.9 | ||||||
| 04 | 05:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 0% | 30.01 | 1016.8 | |||||||
| 04 | 04:56 | Calm | 10.00 | Fair | CLR | 77 | 77 | 100% | 78 | 29.99 | 1016.3 | ||||||
| 04 | 03:56 | Calm | 10.00 | Fair | CLR | 79 | 75.9 | 90% | 83 | 30 | 1016.6 | ||||||
| 04 | 02:56 | Calm | 10.00 | Fair | CLR | 79 | 78.1 | 97% | 83 | 30.02 | 1016.9 | ||||||
| 04 | 01:56 | Calm | 10.00 | Fair | CLR | 78.1 | 78.1 | 93.9 | 78.1 | 100% | 81 | 30.02 | 1017.0 | ||||
| 04 | 00:56 | Calm | 10.00 | Fair | CLR | 80.1 | 79 | 97% | 87 | 30.02 | 1017.3 | ||||||
| 03 | 23:56 | Calm | 10.00 | Fair | CLR | 82 | 78.1 | 88% | 91 | 30.03 | 1017.4 | ||||||
| 03 | 22:56 | Calm | 10.00 | Fair | CLR | 84 | 77 | 80% | 94 | 30.03 | 1017.3 | ||||||
| 03 | 21:56 | Calm | 10.00 | Fair | CLR | 86 | 75 | 70% | 95 | 30.01 | 1016.7 | ||||||
| 03 | 20:56 | W 3 | 10.00 | Fair | CLR | 89.1 | 75 | 63% | 99 | 29.99 | 1016.2 | ||||||
| 03 | 19:56 | Vrbl 6 | 10.00 | Fair | CLR | 93.9 | 75 | 99 | 93.9 | 54% | 106 | 29.98 | 1015.8 | ||||
| 03 | 18:56 | W 6 | 10.00 | Fair | CLR | 97 | 75.9 | 51% | 111 | 29.98 | 1015.9 | ||||||
| 03 | 17:56 | W 7 | 10.00 | A Few Clouds | FEW060 | 97 | 73.9 | 48% | 108 | 29.99 | 1016.2 | ||||||
| 03 | 16:56 | W 9 | 10.00 | A Few Clouds | FEW060 | 97 | 75 | 49% | 110 | 30.02 | 1017.0 | ||||||
| 03 | 15:56 | W 9 G 18 | 10.00 | Fair | CLR | 97 | 75 | 49% | 110 | 30.04 | 1017.9 | ||||||
| 03 | 14:56 | Vrbl 5 | 10.00 | Fair | CLR | 98.1 | 73.9 | 46% | 110 | 30.05 | 1017.9 | ||||||
| 03 | 13:56 | SW 5 | 10.00 | Fair | CLR | 97 | 73.9 | 98.1 | 82.9 | 48% | 108 | 30.06 | 1018.6 | ||||
| 03 | 12:56 | W 6 | 10.00 | Mostly Cloudy | BKN049 BKN060 | 93.9 | 75.9 | 56% | 107 | 30.09 | 1019.7 | ||||||
| 03 | 11:56 | NW 3 | 10.00 | A Few Clouds | FEW050 | 93.9 | 78.1 | 60% | 110 | 30.1 | 1019.7 | ||||||
| 03 | 10:56 | NW 5 | 10.00 | Fair | CLR | 91.9 | 78.1 | 64% | 107 | 30.09 | 1019.5 | ||||||
| 03 | 09:56 | NW 6 | 10.00 | Fair | CLR | 90 | 78.1 | 68% | 105 | 30.09 | 1019.4 | ||||||
| 03 | 08:56 | NW 10 | 10.00 | Fair | CLR | 87.1 | 77 | 72% | 99 | 30.1 | 1019.8 | ||||||
| 03 | 07:56 | W 6 | 10.00 | Fair | CLR | 82.9 | 77 | 82.9 | 73.9 | 82% | 92 | 30.1 | 1019.9 | ||||
| 03 | 06:56 | Calm | 10.00 | Fair | CLR | 77 | 77 | 100% | 78 | 30.09 | 1019.7 | ||||||
| 03 | 05:56 | Calm | 9.00 | Fair | CLR | 75.2 | 0 | 0% | 30.09 | 1019.4 | |||||||
| 03 | 04:56 | Calm | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.08 | 1019.0 | ||||||
| 03 | 03:56 | Calm | 10.00 | Fair | CLR | 77 | 77 | 100% | 78 | 30.06 | 1018.7 | ||||||
| 03 | 02:56 | Calm | 10.00 | Fair | CLR | 77 | 77 | 100% | 78 | 30.07 | 1018.7 | ||||||
| 03 | 01:56 | Calm | 10.00 | Fair | CLR | 78.1 | 78.1 | 93.9 | 78.1 | 100% | 81 | 30.07 | 1018.8 | ||||
| 03 | 00:56 | Calm | 10.00 | Fair | CLR | 78.1 | 78.1 | 100% | 81 | 30.07 | 1018.9 | ||||||
| 02 | 23:56 | Calm | 10.00 | Fair | CLR | 80.1 | 78.1 | 94% | 86 | 30.07 | 1018.9 | ||||||
| 02 | 22:56 | Calm | 10.00 | Fair | CLR | 81 | 77 | 88% | 88 | 30.06 | 1018.4 | ||||||
| 02 | 21:56 | Calm | 10.00 | Fair | CLR | 87.1 | 73.9 | 65% | 95 | 30.04 | 1017.8 | ||||||
| 02 | 20:56 | Calm | 10.00 | Fair | CLR | 88 | 73.9 | 63% | 97 | 30.02 | 1017.3 | ||||||
| 02 | 19:56 | W 6 | 10.00 | Fair | CLR | 93.9 | 73.9 | 100 | 93 | 52% | 104 | 30.03 | 1017.3 | ||||
| 02 | 18:56 | W 6 | 10.00 | Fair | CLR | 97 | 73.9 | 48% | 108 | 30.04 | 1017.8 | ||||||
| 02 | 17:56 | W 7 | 10.00 | Fair | CLR | 97 | 73.9 | 48% | 108 | 30.04 | 1018.0 | ||||||
| 02 | 16:56 | W 9 | 10.00 | Fair | CLR | 99 | 75 | 46% | 112 | 30.05 | 1018.1 | ||||||
| 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) | |||||||||||||||