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 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 78.1 | 68 | 71% | 80 | 30.19 | 1023.1 | ||||||
| 15 | 08:56 | Vrbl 3 | 10.00 | Fair | CLR | 73.9 | 66.9 | 79% | 30.18 | 1022.9 | |||||||
| 15 | 07:56 | Vrbl 3 | 10.00 | Fair | CLR | 71.1 | 68 | 72 | 66.9 | 90% | 30.17 | 1022.6 | |||||
| 15 | 06:56 | Calm | 10.00 | Fair | CLR | 69.1 | 68 | 96% | 30.16 | 1022.2 | |||||||
| 15 | 05:56 | Calm | 10.00 | Fair | CLR | 69.1 | 69.1 | 100% | 30.14 | 1021.4 | |||||||
| 15 | 04:56 | Calm | 10.00 | Fair | CLR | 69.1 | 69.1 | 100% | 30.12 | 1021.0 | |||||||
| 15 | 03:56 | Calm | 10.00 | Fair | CLR | 69.1 | 69.1 | 100% | 30.13 | 1021.2 | |||||||
| 15 | 01:56 | Calm | 10.00 | Overcast | OVC110 | 72 | 72 | 75.9 | 72 | 100% | 30.13 | 1021.2 | |||||
| 15 | 00:56 | Calm | 10.00 | Overcast | OVC110 | 73 | 73 | 100% | 30.13 | 1021.4 | |||||||
| 14 | 23:56 | Calm | 10.00 | Overcast | OVC095 | 73 | 73 | 100% | 30.12 | 1020.8 | |||||||
| 14 | 22:56 | Calm | 10.00 | Overcast | FEW075 OVC100 | 73.9 | 73.9 | 100% | 30.11 | 1020.4 | |||||||
| 14 | 21:56 | Calm | 10.00 | Overcast | BKN049 OVC065 | 73.9 | 73.9 | 100% | 30.11 | 1020.4 | |||||||
| 14 | 20:56 | Calm | 10.00 | Overcast | BKN049 BKN060 OVC075 | 75 | 75 | 100% | 72 | 30.09 | 1019.8 | ||||||
| 14 | 19:56 | Calm | 10.00 | Overcast | BKN050 OVC060 | 75.9 | 75 | 81 | 75 | 97% | 75 | 30.08 | 1019.4 | ||||
| 14 | 18:56 | Calm | 10.00 | Overcast | OVC050 | 78.1 | 73 | 85% | 81 | 30.07 | 1019.0 | ||||||
| 14 | 17:56 | Calm | 10.00 | Overcast | FEW016 OVC050 | 79 | 75.9 | 90% | 83 | 30.06 | 1018.7 | ||||||
| 14 | 16:56 | Calm | 10.00 | Overcast | OVC070 | 79 | 75 | 88% | 83 | 30.06 | 1018.8 | ||||||
| 14 | 15:56 | Calm | 10.00 | Mostly Cloudy | FEW075 BKN100 | 80.1 | 73 | 79% | 84 | 30.06 | 1018.8 | ||||||
| 14 | 14:56 | NW 3 | 10.00 | Mostly Cloudy | BKN080 BKN090 | 78.1 | 73 | 85% | 81 | 30.07 | 1019.1 | ||||||
| 14 | 13:56 | Calm | 10.00 | Overcast | OVC075 | 75 | 73 | 80.1 | 73 | 94% | 73 | 30.09 | 1019.7 | 0.01 | |||
| 14 | 12:56 | Vrbl 3 | 9.00 | Light Rain | OVC075 | 73 | 73 | 100% | 30.11 | 1020.5 | 0.01 | ||||||
| 14 | 11:56 | Calm | 9.00 | Overcast | OVC080 | 77 | 73 | 88% | 78 | 30.11 | 1020.4 | ||||||
| 14 | 10:56 | Calm | 10.00 | Overcast | OVC090 | 77 | 71.1 | 82% | 79 | 30.1 | 1020.1 | ||||||
| 14 | 09:56 | Calm | 10.00 | Overcast | OVC110 | 78.1 | 69.1 | 74% | 80 | 30.08 | 1019.5 | ||||||
| 14 | 08:56 | Calm | 10.00 | Overcast | OVC110 | 77 | 70 | 79% | 79 | 30.07 | 1019.2 | ||||||
| 14 | 07:56 | Calm | 10.00 | Partly Cloudy | FEW055 SCT120 | 75 | 71.1 | 75 | 72 | 88% | 75 | 30.08 | 1019.5 | ||||
| 14 | 06:56 | Calm | 10.00 | Overcast | OVC046 | 73 | 73 | 100% | 30.08 | 1019.5 | |||||||
| 14 | 05:56 | Calm | 10.00 | Overcast | OVC044 | 71.6 | 0 | 0% | 30.06 | 1018.6 | |||||||
| 14 | 04:56 | Calm | 10.00 | Overcast | OVC046 | 71.6 | 0 | 0% | 30.03 | 1017.5 | |||||||
| 14 | 03:56 | Calm | 10.00 | A Few Clouds | FEW070 | 73 | 73 | 100% | 30.02 | 1017.5 | |||||||
| 14 | 02:56 | Calm | 10.00 | Overcast | OVC048 | 75 | 73.9 | 96% | 73 | 30.02 | 1017.3 | ||||||
| 14 | 00:56 | Calm | 10.00 | Overcast | BKN048 OVC055 | 75 | 73.9 | 96% | 73 | 30.04 | 1018.1 | ||||||
| 13 | 23:56 | Calm | 10.00 | Overcast | OVC048 | 75 | 73.9 | 96% | 73 | 30.03 | 1017.8 | ||||||
| 13 | 22:56 | Calm | 10.00 | Overcast | BKN050 OVC060 | 75 | 75 | 100% | 72 | 30.03 | 1017.5 | ||||||
| 13 | 21:56 | Calm | 10.00 | A Few Clouds | FEW055 | 75 | 75 | 100% | 72 | 30 | 1016.9 | ||||||
| 13 | 20:56 | Calm | 10.00 | Overcast | OVC055 | 77 | 73.9 | 90% | 78 | 29.98 | 1016.1 | ||||||
| 13 | 19:56 | Calm | 10.00 | Fair | CLR | 79 | 71.1 | 88 | 79 | 77% | 82 | 29.96 | 1015.3 | ||||
| 13 | 18:56 | Calm | 10.00 | Mostly Cloudy | BKN055 | 84 | 69.1 | 61% | 88 | 29.95 | 1014.8 | ||||||
| 13 | 17:56 | Calm | 10.00 | Overcast | OVC070 | 82.9 | 70 | 65% | 87 | 29.95 | 1015.0 | ||||||
| 13 | 16:56 | Calm | 10.00 | Overcast | OVC060 | 84 | 71.1 | 65% | 89 | 29.95 | 1015.0 | ||||||
| 13 | 15:56 | W 8 | 10.00 | Partly Cloudy | SCT045 SCT055 | 87.1 | 70 | 57% | 92 | 29.95 | 1015.0 | ||||||
| 13 | 14:56 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN044 | 86 | 70 | 59% | 91 | 29.95 | 1015.0 | ||||||
| 13 | 13:56 | W 10 | 10.00 | Fair | CLR | 84.9 | 70 | 86 | 73.9 | 61% | 89 | 29.96 | 1015.1 | ||||
| 13 | 12:56 | NW 7 | 10.00 | Fair | CLR | 82.9 | 69.1 | 63% | 87 | 29.96 | 1015.4 | ||||||
| 13 | 11:56 | W 9 | 10.00 | Fair | CLR | 82 | 70 | 67% | 86 | 29.97 | 1015.6 | ||||||
| 13 | 10:56 | NW 9 | 10.00 | Fair | CLR | 81 | 69.1 | 67% | 84 | 29.97 | 1015.5 | ||||||
| 13 | 09:56 | NW 8 | 10.00 | Fair | CLR | 79 | 68 | 69% | 81 | 29.95 | 1014.9 | ||||||
| 13 | 08:56 | Vrbl 6 | 10.00 | Fair | CLR | 75.9 | 66.9 | 74% | 77 | 29.95 | 1014.9 | ||||||
| 13 | 07:56 | NW 6 | 10.00 | Fair | CLR | 73.9 | 66 | 73.9 | 69.1 | 76% | 29.94 | 1014.6 | |||||
| 13 | 05:56 | W 6 | 10.00 | Fair | CLR | 70 | 68 | 93% | 29.9 | 1013.5 | |||||||
| 13 | 04:56 | W 5 | 10.00 | Fair | CLR | 71.1 | 69.1 | 94% | 29.9 | 1013.1 | |||||||
| 13 | 03:56 | NW 7 | 10.00 | Partly Cloudy | SCT120 | 72 | 70 | 94% | 29.91 | 1013.5 | |||||||
| 13 | 02:56 | NW 3 | 10.00 | A Few Clouds | FEW110 | 72 | 72 | 100% | 29.89 | 1012.9 | |||||||
| 13 | 01:56 | W 3 | 10.00 | A Few Clouds | FEW120 | 73 | 71.1 | 78.1 | 73 | 94% | 29.89 | 1013.0 | |||||
| 13 | 00:56 | NW 5 | 10.00 | Fair | CLR | 73.9 | 71.1 | 91% | 29.9 | 1013.2 | |||||||
| 12 | 23:56 | W 3 | 10.00 | Partly Cloudy | SCT060 | 75.9 | 70 | 82% | 77 | 29.9 | 1013.3 | ||||||
| 12 | 22:56 | SW 3 | 10.00 | Fair | CLR | 77 | 70 | 79% | 79 | 29.9 | 1013.1 | ||||||
| 12 | 21:56 | Calm | 10.00 | A Few Clouds | FEW046 | 77 | 69.1 | 77% | 79 | 29.89 | 1012.8 | ||||||
| 12 | 20:56 | Calm | 10.00 | Fair | CLR | 75.9 | 70 | 82% | 77 | 29.88 | 1012.6 | ||||||
| 12 | 19:56 | Calm | 10.00 | Partly Cloudy | SCT050 | 78.1 | 69.1 | 88 | 78.1 | 74% | 80 | 29.87 | 1012.3 | ||||
| 12 | 18:56 | W 6 | 10.00 | Fair | CLR | 81 | 69.1 | 67% | 84 | 29.87 | 1012.4 | ||||||
| 12 | 17:56 | W 3 | 10.00 | A Few Clouds | FEW041 | 84 | 69.1 | 61% | 88 | 29.87 | 1012.3 | ||||||
| 12 | 16:56 | W 6 | 10.00 | Mostly Cloudy | BKN049 | 84.9 | 69.1 | 59% | 89 | 29.88 | 1012.5 | ||||||
| 12 | 15:56 | W 7 | 10.00 | Overcast | OVC040 | 84.9 | 70 | 61% | 89 | 29.89 | 1012.8 | ||||||
| 12 | 14:56 | Calm | 10.00 | Overcast | OVC046 | 84 | 66.9 | 57% | 87 | 29.9 | 1013.1 | ||||||
| 12 | 13:56 | Vrbl 3 | 10.00 | Fair | CLR | 86 | 66 | 86 | 71.1 | 51% | 88 | 29.91 | 1013.4 | ||||
| 12 | 12:56 | Calm | 10.00 | Fair | CLR | 84 | 64 | 51% | 85 | 29.93 | 1014.3 | ||||||
| 12 | 11:56 | Calm | 10.00 | Mostly Cloudy | BKN048 | 80.1 | 66 | 62% | 82 | 29.94 | 1014.8 | ||||||
| 12 | 10:56 | Calm | 10.00 | Fair | CLR | 79 | 66 | 65% | 81 | 29.94 | 1014.6 | ||||||
| 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) | |||||||||||||||