Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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 | 13:56 | NW 15 G 21 | 10.00 | Mostly Cloudy | BKN047 BKN055 | 48.9 | 30.9 | 50% | 44 | 30.22 | 1024.9 | ||||||
| 15 | 12:56 | Vrbl 5 G 23 | 10.00 | Mostly Cloudy | SCT043 BKN050 | 50 | 34 | 51.1 | 42.1 | 54% | 49 | 30.22 | 1024.8 | ||||
| 15 | 09:56 | NW 9 | 10.00 | Overcast | FEW034 OVC060 | 46.9 | 35.1 | 63% | 43 | 30.23 | 1025.4 | ||||||
| 15 | 08:56 | NW 10 | 10.00 | Overcast | OVC065 | 45 | 34 | 66% | 40 | 30.22 | 1025.1 | ||||||
| 15 | 07:56 | W 9 | 10.00 | Overcast | OVC070 | 43 | 34 | 71% | 38 | 30.21 | 1024.5 | ||||||
| 15 | 06:56 | W 10 | 10.00 | Overcast | OVC036 | 42.1 | 33.1 | 43 | 39 | 71% | 37 | 30.18 | 1023.8 | ||||
| 15 | 05:56 | NW 9 | 10.00 | Partly Cloudy | FEW055 SCT070 | 41 | 32 | 70% | 36 | 30.16 | 1023.1 | ||||||
| 15 | 04:56 | NW 7 | 10.00 | Overcast | OVC065 | 41 | 30.9 | 67% | 37 | 30.14 | 1022.2 | ||||||
| 15 | 03:56 | W 9 | 10.00 | Fair | CLR | 39.9 | 30 | 68% | 34 | 30.11 | 1021.4 | ||||||
| 15 | 02:56 | NW 13 | 10.00 | A Few Clouds | FEW070 | 39.9 | 30 | 68% | 33 | 30.1 | 1021.0 | ||||||
| 15 | 01:56 | Vrbl 7 | 10.00 | Fair | CLR | 42.1 | 28.9 | 60% | 38 | 30.09 | 1020.6 | ||||||
| 15 | 00:56 | W 15 G 21 | 10.00 | Fair | CLR | 43 | 28.9 | 45 | 42.1 | 58% | 36 | 30.07 | 1019.7 | ||||
| 14 | 23:56 | W 8 G 16 | 10.00 | Fair | CLR | 43 | 28.9 | 58% | 39 | 30.06 | 1019.7 | ||||||
| 14 | 22:56 | W 7 | 10.00 | Fair | CLR | 43 | 28.9 | 58% | 39 | 30.05 | 1019.2 | ||||||
| 14 | 21:56 | NW 10 | 10.00 | Partly Cloudy | SCT050 | 44.1 | 30 | 58% | 39 | 30.04 | 1019.0 | ||||||
| 14 | 20:56 | W 8 G 21 | 10.00 | Overcast | OVC050 | 43 | 30.9 | 63% | 39 | 30.03 | 1018.5 | ||||||
| 14 | 19:56 | W 7 | 10.00 | Mostly Cloudy | BKN050 | 44.1 | 30.9 | 60% | 41 | 30.01 | 1018.0 | ||||||
| 14 | 18:56 | NW 13 G 24 | 10.00 | Mostly Cloudy | BKN050 | 44.1 | 30.9 | 46.9 | 44.1 | 60% | 38 | 30 | 1017.6 | ||||
| 14 | 17:56 | NW 15 G 24 | 10.00 | Overcast | OVC047 | 45 | 32 | 61% | 39 | 29.99 | 1017.2 | ||||||
| 14 | 16:56 | W 14 G 20 | 10.00 | Overcast | SCT043 OVC050 | 46 | 30.9 | 56% | 40 | 29.97 | 1016.5 | ||||||
| 14 | 15:56 | W 12 G 24 | 10.00 | Overcast | SCT046 OVC055 | 46.9 | 30.9 | 54% | 42 | 29.94 | 1015.4 | ||||||
| 14 | 14:56 | NW 16 G 24 | 10.00 | Overcast | OVC044 | 46.9 | 30.9 | 54% | 41 | 29.91 | 1014.5 | ||||||
| 14 | 13:56 | NW 18 G 24 | 10.00 | Overcast | OVC044 | 46.9 | 32 | 56% | 40 | 29.9 | 1014.2 | ||||||
| 14 | 12:56 | W 13 G 21 | 10.00 | Overcast | OVC043 | 46 | 30.9 | 48 | 39.9 | 56% | 41 | 29.91 | 1014.5 | ||||
| 14 | 11:56 | NW 21 G 26 | 10.00 | Overcast and Breezy | OVC046 | 46.9 | 28.9 | 50% | 40 | 29.91 | 1014.5 | ||||||
| 14 | 10:56 | NW 18 G 24 | 10.00 | Overcast | SCT042 OVC060 | 46 | 28.9 | 51% | 39 | 29.92 | 1014.9 | ||||||
| 14 | 09:56 | NW 15 | 10.00 | Overcast | OVC046 | 42.1 | 28.9 | 60% | 35 | 29.91 | 1014.5 | ||||||
| 14 | 08:56 | NW 10 | 10.00 | Overcast | OVC050 | 41 | 28.9 | 62% | 35 | 29.89 | 1014.0 | ||||||
| 14 | 07:56 | NW 8 G 16 | 10.00 | Overcast | OVC048 | 39.9 | 28.9 | 65% | 35 | 29.88 | 1013.7 | ||||||
| 14 | 06:56 | NW 9 | 10.00 | Overcast | OVC050 | 39.9 | 28.9 | 39.9 | 39 | 65% | 34 | 29.86 | 1013.0 | ||||
| 14 | 05:56 | NW 10 | 10.00 | Overcast | OVC050 | 39 | 28.9 | 67% | 33 | 29.85 | 1012.5 | ||||||
| 14 | 04:56 | Vrbl 5 | 10.00 | Overcast | OVC055 | 39.9 | 27 | 60% | 37 | 29.84 | 1012.2 | ||||||
| 14 | 03:56 | NW 5 | 10.00 | Overcast | OVC055 | 39.9 | 28 | 63% | 37 | 29.83 | 1011.9 | ||||||
| 14 | 02:56 | NW 7 | 10.00 | Overcast | OVC046 | 39.9 | 27 | 60% | 36 | 29.82 | 1011.5 | ||||||
| 14 | 01:56 | NW 7 | 10.00 | Overcast | OVC055 | 39.9 | 28 | 63% | 36 | 29.82 | 1011.5 | ||||||
| 14 | 00:56 | Calm | 10.00 | Overcast | OVC050 | 39 | 30 | 42.1 | 37 | 70% | 29.81 | 1011.2 | |||||
| 13 | 23:56 | Calm | 10.00 | Overcast | OVC050 | 39 | 30 | 70% | 29.81 | 1011.2 | |||||||
| 13 | 22:56 | Calm | 10.00 | Overcast | OVC055 | 37.9 | 28.9 | 70% | 29.81 | 1011.2 | |||||||
| 13 | 21:56 | Calm | 10.00 | Mostly Cloudy | BKN055 | 39.9 | 28 | 63% | 29.81 | 1011.2 | |||||||
| 13 | 20:56 | Calm | 10.00 | Overcast | OVC048 | 42.1 | 30 | 62% | 29.82 | 1011.5 | |||||||
| 13 | 19:56 | Vrbl 5 | 10.00 | Overcast | OVC046 | 42.1 | 28.9 | 60% | 40 | 29.81 | 1011.0 | ||||||
| 13 | 18:56 | NW 3 | 10.00 | Overcast | OVC050 | 41 | 30 | 48.9 | 39 | 65% | 29.8 | 1010.7 | |||||
| 13 | 17:56 | Calm | 10.00 | Partly Cloudy | SCT049 | 39.9 | 30 | 68% | 29.78 | 1010.1 | |||||||
| 13 | 16:56 | N 5 | 10.00 | Mostly Cloudy | BKN049 | 42.1 | 32 | 68% | 40 | 29.76 | 1009.4 | ||||||
| 13 | 14:56 | Vrbl 6 | 10.00 | Overcast | OVC037 | 46.9 | 33.1 | 59% | 45 | 29.71 | 1007.7 | ||||||
| 13 | 13:56 | Vrbl 6 | 10.00 | Overcast | OVC041 | 46.9 | 30.9 | 54% | 45 | 29.7 | 1007.1 | ||||||
| 13 | 12:56 | N 8 | 10.00 | Mostly Cloudy | BKN041 | 48.9 | 30.9 | 51.1 | 43 | 50% | 46 | 29.69 | 1007.0 | ||||
| 13 | 11:56 | N 8 | 10.00 | Overcast | OVC037 | 50 | 32 | 50% | 47 | 29.69 | 1006.8 | ||||||
| 13 | 10:56 | Vrbl 6 | 10.00 | Overcast | OVC033 | 48 | 32 | 54% | 46 | 29.7 | 1007.1 | ||||||
| 13 | 09:56 | Vrbl 6 G 16 | 10.00 | Overcast | OVC031 | 44.1 | 30.9 | 60% | 41 | 29.69 | 1006.9 | ||||||
| 13 | 07:56 | N 8 G 21 | 10.00 | Mostly Cloudy | FEW029 BKN045 | 43 | 32 | 65% | 39 | 29.65 | 1005.4 | ||||||
| 13 | 06:56 | Vrbl 7 G 23 | 10.00 | Overcast | BKN030 OVC035 | 43 | 32 | 46.9 | 43 | 65% | 39 | 29.62 | 1004.3 | ||||
| 13 | 05:56 | Vrbl 6 G 17 | 10.00 | Overcast | OVC030 | 43 | 34 | 71% | 40 | 29.6 | 1003.7 | ||||||
| 13 | 04:56 | NW 10 G 16 | 10.00 | Overcast | OVC032 | 43 | 33.1 | 68% | 38 | 29.58 | 1003.1 | ||||||
| 13 | 03:56 | Vrbl 7 G 16 | 10.00 | Overcast | OVC030 | 44.1 | 34 | 68% | 41 | 29.57 | 1002.8 | ||||||
| 13 | 02:56 | Vrbl 7 G 20 | 10.00 | Overcast | OVC028 | 45 | 35.1 | 68% | 42 | 29.56 | 1002.5 | ||||||
| 13 | 01:56 | NW 9 G 18 | 10.00 | Overcast | OVC024 | 46 | 37 | 71% | 42 | 29.55 | 1001.8 | ||||||
| 13 | 00:56 | NW 8 G 18 | 10.00 | Overcast | OVC028 | 46.9 | 37.9 | 54 | 46.9 | 71% | 44 | 29.54 | 1001.5 | ||||
| 12 | 23:56 | NW 14 G 18 | 10.00 | Overcast | OVC026 | 46.9 | 39 | 74% | 42 | 29.52 | 1001.1 | ||||||
| 12 | 22:56 | NW 14 G 21 | 10.00 | Overcast | OVC041 | 48 | 39.9 | 74% | 43 | 29.52 | 1000.9 | ||||||
| 12 | 21:56 | Vrbl 7 | 10.00 | Mostly Cloudy | FEW027 BKN045 | 50 | 41 | 71% | 48 | 29.52 | 1001.1 | ||||||
| 12 | 20:56 | Vrbl 7 | 10.00 | Mostly Cloudy | BKN035 | 51.1 | 42.1 | 71% | 29.5 | 1000.4 | |||||||
| 12 | 19:56 | NW 10 G 20 | 10.00 | Overcast | SCT035 OVC043 | 52 | 42.1 | 69% | 29.49 | 999.9 | |||||||
| 12 | 18:56 | W 15 G 21 | 10.00 | Overcast | OVC037 | 54 | 43 | 62.1 | 54 | 67% | 29.48 | 999.7 | |||||
| 12 | 17:56 | NW 14 G 20 | 10.00 | Mostly Cloudy | BKN048 | 55 | 43 | 64% | 29.47 | 999.1 | |||||||
| 12 | 16:56 | W 14 | 10.00 | Overcast | SCT031 BKN044 OVC050 | 57 | 46.9 | 69% | 29.44 | 998.5 | |||||||
| 12 | 15:56 | NW 8 | 10.00 | Overcast | FEW044 OVC055 | 59 | 48 | 67% | 29.43 | 997.8 | |||||||
| 12 | 14:56 | W 10 | 10.00 | Mostly Cloudy | BKN090 BKN110 | 61 | 48 | 63% | 29.42 | 997.4 | |||||||
| Date | Time (est) | 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) | |||||||||||||||