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. | ||||||||||||||||
| 29 | 10:56 | S 13 G 23 | 10.00 | Fair | CLR | 52 | 21.9 | 31% | 30.56 | 1036.6 | |||||||
| 29 | 09:56 | SW 14 G 20 | 10.00 | Fair | CLR | 48 | 21.9 | 36% | 43 | 30.58 | 1037.2 | ||||||
| 29 | 08:56 | SW 10 | 10.00 | Fair | CLR | 44.1 | 21.9 | 41% | 39 | 30.57 | 1037.2 | ||||||
| 29 | 07:56 | SE 5 | 10.00 | Fair | CLR | 30.9 | 28 | 30.9 | 27 | 89% | 27 | 30.57 | 1037.1 | ||||
| 29 | 06:56 | Calm | 10.00 | Fair | CLR | 28 | 26.1 | 92% | 30.56 | 1036.8 | |||||||
| 29 | 05:56 | Calm | 10.00 | Fair | CLR | 28 | 24.1 | 85% | 30.56 | 1036.6 | |||||||
| 29 | 04:56 | Calm | 10.00 | Fair | CLR | 28 | 24.1 | 85% | 30.54 | 1036.0 | |||||||
| 29 | 03:56 | Calm | 10.00 | Fair | CLR | 28 | 23 | 81% | 30.54 | 1036.2 | |||||||
| 29 | 02:56 | Calm | 10.00 | Fair | CLR | 28.9 | 21.9 | 75% | 30.55 | 1036.5 | |||||||
| 29 | 01:56 | Calm | 10.00 | Fair | CLR | 28.9 | 23 | 43 | 28.9 | 78% | 30.56 | 1036.6 | |||||
| 29 | 00:56 | Calm | 10.00 | Fair | CLR | 30.9 | 21.9 | 69% | 30.55 | 1036.5 | |||||||
| 28 | 23:56 | Calm | 10.00 | Fair | CLR | 32 | 21 | 64% | 30.54 | 1036.2 | |||||||
| 28 | 22:56 | Calm | 10.00 | Fair | CLR | 34 | 19 | 54% | 30.54 | 1036.0 | |||||||
| 28 | 21:56 | Calm | 10.00 | Fair | CLR | 35.1 | 18 | 50% | 30.54 | 1036.0 | |||||||
| 28 | 20:56 | Calm | 10.00 | Fair | CLR | 39.9 | 17.1 | 40% | 30.52 | 1035.5 | |||||||
| 28 | 19:56 | NW 5 | 10.00 | Fair | CLR | 43 | 12.9 | 48.9 | 43 | 29% | 41 | 30.49 | 1034.5 | ||||
| 28 | 18:56 | NW 8 | 10.00 | Fair | CLR | 46 | 12.9 | 26% | 42 | 30.48 | 1033.9 | ||||||
| 28 | 17:56 | W 13 G 17 | 10.00 | Fair | CLR | 48 | 14 | 25% | 43 | 30.46 | 1033.4 | ||||||
| 28 | 16:56 | NW 12 G 20 | 10.00 | Fair | CLR | 46.9 | 12 | 24% | 42 | 30.46 | 1033.4 | ||||||
| 28 | 15:56 | NW 14 G 21 | 10.00 | Fair | CLR | 46.9 | 14 | 26% | 42 | 30.47 | 1033.5 | ||||||
| 28 | 14:56 | NW 13 G 17 | 10.00 | Fair | CLR | 46.9 | 16 | 29% | 42 | 30.49 | 1034.2 | ||||||
| 28 | 13:56 | NW 9 G 16 | 10.00 | Fair | CLR | 46.9 | 19 | 46.9 | 30.9 | 33% | 43 | 30.5 | 1034.9 | ||||
| 28 | 12:56 | Vrbl 6 G 20 | 10.00 | Fair | CLR | 44.1 | 18 | 35% | 41 | 30.51 | 1035.1 | ||||||
| 28 | 11:56 | NW 12 G 21 | 10.00 | Partly Cloudy | SCT060 | 42.1 | 18 | 38% | 36 | 30.54 | 1035.8 | ||||||
| 28 | 10:56 | W 16 G 21 | 10.00 | Partly Cloudy | SCT055 | 39 | 19 | 45% | 31 | 30.53 | 1035.6 | ||||||
| 28 | 09:56 | NW 8 | 10.00 | Partly Cloudy | SCT075 | 37 | 18 | 46% | 32 | 30.52 | 1035.2 | ||||||
| 28 | 08:56 | NW 13 G 23 | 10.00 | Fair | CLR | 33.1 | 17.1 | 52% | 25 | 30.49 | 1034.5 | ||||||
| 28 | 07:56 | NW 8 | 10.00 | Fair | CLR | 30.9 | 18 | 37 | 30 | 59% | 24 | 30.46 | 1033.6 | ||||
| 28 | 06:56 | NW 7 | 10.00 | Fair | CLR | 30.9 | 17.1 | 56% | 25 | 30.42 | 1032.0 | ||||||
| 28 | 05:56 | NW 9 G 17 | 10.00 | Fair | CLR | 33.1 | 15.1 | 48% | 26 | 30.38 | 1030.6 | ||||||
| 28 | 04:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW044 | 36 | 24.1 | 62% | 30.33 | 1028.8 | |||||||
| 28 | 03:56 | Calm | 10.00 | Mostly Cloudy | BKN060 | 37 | 26.1 | 65% | 30.28 | 1027.0 | |||||||
| 28 | 02:56 | Calm | 10.00 | Overcast | SCT043 OVC060 | 35.1 | 30 | 82% | 30.26 | 1026.6 | |||||||
| 28 | 01:56 | Calm | 10.00 | Overcast | OVC055 | 34 | 34 | 41 | 34 | 100% | 30.24 | 1025.7 | |||||
| 28 | 00:56 | Calm | 10.00 | Fair | CLR | 35.1 | 30 | 82% | 30.23 | 1025.5 | |||||||
| 27 | 23:56 | Calm | 10.00 | A Few Clouds | FEW055 | 36 | 34 | 93% | 30.23 | 1025.6 | |||||||
| 27 | 22:56 | Calm | 10.00 | Overcast | OVC050 | 37.9 | 35.1 | 89% | 30.22 | 1024.8 | |||||||
| 27 | 21:56 | Calm | 10.00 | A Few Clouds | FEW046 | 37.9 | 32 | 79% | 30.2 | 1024.2 | |||||||
| 27 | 20:56 | Calm | 10.00 | Fair | CLR | 39.9 | 39.9 | 100% | 30.17 | 1023.3 | |||||||
| 27 | 19:56 | Calm | 10.00 | Overcast | FEW055 OVC095 | 39.9 | 39.9 | 48.9 | 39.9 | 100% | 30.15 | 1022.4 | 0.01 | 0.05 | |||
| 27 | 18:56 | NE 3 | 10.00 | Light Rain | OVC090 | 41 | 41 | 100% | 30.13 | 1022.0 | 0.01 | ||||||
| 27 | 17:56 | Vrbl 3 | 8.00 | Rain | OVC070 | 41 | 39 | 93% | 30.11 | 1021.3 | 0.03 | ||||||
| 27 | 16:56 | N 6 | 10.00 | Overcast | OVC055 | 45 | 30 | 56% | 42 | 30.1 | 1020.5 | ||||||
| 27 | 15:56 | Vrbl 7 | 10.00 | Overcast | OVC055 | 46 | 36 | 68% | 43 | 30.08 | 1020.0 | ||||||
| 27 | 14:56 | N 8 | 10.00 | Overcast | BKN034 OVC055 | 48 | 41 | 77% | 45 | 30.08 | 1019.7 | ||||||
| 27 | 13:56 | Vrbl 5 | 10.00 | Overcast | OVC023 | 48.9 | 44.1 | 57 | 48 | 83% | 48 | 30.08 | 1019.8 | 0.09 | |||
| 27 | 12:56 | NE 8 | 10.00 | Overcast | OVC019 | 48.9 | 48 | 97% | 46 | 30.05 | 1019.0 | ||||||
| 27 | 11:56 | N 7 | 10.00 | Overcast | BKN012 OVC018 | 50 | 50 | 100% | 48 | 30.04 | 1018.5 | ||||||
| 27 | 10:56 | Vrbl 5 | 10.00 | Light Rain | SCT018 OVC023 | 55.4 | 0 | 0% | 30 | 1016.9 | 0.09 | ||||||
| 27 | 09:56 | NW 5 | 10.00 | Light Rain | FEW015 BKN034 OVC060 | 55.4 | 0 | 0% | 29.98 | 1016.1 | 0.02 | ||||||
| 27 | 08:56 | Vrbl 3 | 8.00 | Light Rain | SCT025 BKN090 OVC110 | 55.4 | 0 | 0% | 29.94 | 1014.8 | 0.07 | ||||||
| 27 | 07:56 | N 6 | 9.00 | Light Rain | SCT010 OVC014 | 57.2 | 0 | 72 | 57 | 0% | 29.92 | 1014.2 | 0.03 | 0.08 | |||
| 27 | 06:56 | N 3 | 10.00 | Light Rain | FEW041 SCT050 OVC065 | 60.8 | 0 | 0% | 29.85 | 1011.7 | 0.05 | ||||||
| 27 | 05:56 | Vrbl 3 | 10.00 | Light Rain | FEW013 OVC060 | 62.1 | 62.1 | 100% | 29.8 | 1010.2 | |||||||
| 27 | 04:56 | N 3 | 10.00 | Overcast | BKN065 BKN080 OVC110 | 66 | 57.9 | 75% | 29.78 | 1009.3 | |||||||
| 27 | 03:56 | Calm | 10.00 | Fair | CLR | 66 | 54 | 65% | 29.76 | 1008.7 | |||||||
| 27 | 02:56 | Calm | 10.00 | A Few Clouds | FEW110 | 70 | 53.1 | 55% | 29.76 | 1008.6 | |||||||
| 27 | 01:56 | W 6 | 10.00 | Partly Cloudy | FEW070 SCT085 | 72 | 53.1 | 75 | 72 | 52% | 29.74 | 1008.0 | |||||
| 27 | 00:56 | SW 10 G 20 | 10.00 | Fair | CLR | 73 | 53.1 | 50% | 29.74 | 1008.0 | |||||||
| 26 | 23:56 | SW 12 G 17 | 10.00 | Fair | CLR | 73 | 53.1 | 50% | 29.74 | 1008.1 | |||||||
| 26 | 22:56 | SW 13 G 23 | 10.00 | Fair | CLR | 73 | 53.1 | 50% | 29.73 | 1007.6 | |||||||
| 26 | 21:56 | SW 12 G 22 | 10.00 | Fair | CLR | 73.9 | 52 | 46% | 29.71 | 1006.8 | |||||||
| 26 | 20:56 | SW 13 G 21 | 10.00 | Fair | CLR | 73.9 | 52 | 46% | 29.74 | 1008.2 | |||||||
| 26 | 19:56 | S 10 G 22 | 10.00 | Fair | CLR | 75 | 52 | 80.1 | 75 | 45% | 78 | 29.75 | 1008.4 | ||||
| 26 | 18:56 | SW 9 G 28 | 10.00 | Fair | CLR | 77 | 53.1 | 43% | 78 | 29.77 | 1009.2 | ||||||
| 26 | 17:56 | SW 13 G 22 | 10.00 | A Few Clouds | FEW080 | 78.1 | 52 | 40% | 79 | 29.8 | 1010.1 | ||||||
| 26 | 16:56 | SW 13 G 20 | 10.00 | Overcast | OVC100 | 79 | 52 | 39% | 79 | 29.83 | 1011.1 | ||||||
| 26 | 15:56 | SW 10 G 20 | 10.00 | Fair | CLR | 80.1 | 51.1 | 37% | 80 | 29.84 | 1011.6 | ||||||
| 26 | 14:56 | SW 12 G 20 | 10.00 | Fair | CLR | 79 | 50 | 36% | 79 | 29.88 | 1012.9 | ||||||
| 26 | 13:56 | SW 13 G 17 | 10.00 | Fair | CLR | 78.1 | 48 | 78.1 | 53.1 | 35% | 78 | 29.93 | 1014.6 | ||||
| 26 | 12:56 | W 14 G 18 | 10.00 | Fair | CLR | 75 | 46 | 36% | 77 | 29.96 | 1015.8 | ||||||
| 26 | 11:56 | SW 9 | 10.00 | Fair | CLR | 72 | 44.1 | 37% | 29.99 | 1016.7 | |||||||
| 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) | |||||||||||||||