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. | ||||||||||||||||
| 14 | 14:56 | W 10 G 17 | 10.00 | Overcast | OVC050 | 59 | 42.1 | 54% | 29.85 | 1012.2 | |||||||
| 14 | 13:56 | W 14 G 22 | 10.00 | Overcast | OVC047 | 57 | 39.9 | 61 | 52 | 53% | 29.85 | 1012.3 | |||||
| 14 | 12:56 | NW 13 G 21 | 10.00 | Overcast | BKN040 OVC050 | 55.9 | 42.1 | 60% | 29.86 | 1012.5 | |||||||
| 14 | 11:56 | NW 12 G 24 | 10.00 | Mostly Cloudy | BKN043 | 60.1 | 41 | 50% | 29.86 | 1012.3 | |||||||
| 14 | 10:56 | NW 20 G 24 | 10.00 | Mostly Cloudy | BKN037 | 59 | 43 | 56% | 29.86 | 1012.2 | |||||||
| 14 | 09:56 | NW 9 G 21 | 10.00 | Fair | CLR | 57 | 43 | 60% | 29.86 | 1012.5 | |||||||
| 14 | 08:56 | Vrbl 7 | 10.00 | Fair | CLR | 55 | 46 | 72% | 29.86 | 1012.5 | |||||||
| 14 | 07:56 | NW 6 | 10.00 | Overcast | SCT070 OVC085 | 52 | 52 | 52 | 50 | 100% | 29.85 | 1011.9 | 0.01 | ||||
| 14 | 06:56 | NW 6 | 10.00 | Overcast | BKN055 OVC070 | 51.8 | 0 | 0% | 29.83 | 1011.3 | |||||||
| 14 | 05:56 | Calm | 10.00 | Mostly Cloudy | SCT050 BKN070 BKN110 | 51.8 | 0 | 0% | 29.8 | 1010.5 | |||||||
| 14 | 04:56 | Calm | 10.00 | Overcast | BKN050 BKN060 OVC075 | 51.8 | 0 | 0% | 29.8 | 1010.5 | 0.01 | 0.01 | |||||
| 14 | 02:56 | Calm | 9.00 | Overcast | FEW001 SCT070 OVC110 | 51.8 | 0 | 0% | 29.8 | 1010.4 | |||||||
| 14 | 01:56 | Calm | 2.50 | Fog/Mist | FEW005 BKN085 OVC120 | 51.8 | 0 | 64.9 | 52 | 0% | 29.81 | 1010.8 | 0.32 | ||||
| 14 | 00:56 | Calm | 5.00 | Overcast with Haze | OVC100 | 53.6 | 0 | 0% | 29.83 | 1011.2 | |||||||
| 13 | 23:56 | Calm | 8.00 | Mostly Cloudy | BKN100 | 53.6 | 0 | 0% | 29.83 | 1011.4 | |||||||
| 13 | 22:56 | Calm | 10.00 | Mostly Cloudy | BKN110 | 55.4 | 0 | 0% | 29.83 | 1011.3 | 0.02 | 0.32 | |||||
| 13 | 21:56 | S 6 | 10.00 | Light Rain | BKN075 OVC090 | 55.4 | 0 | 0% | 29.83 | 1011.4 | 0.11 | ||||||
| 13 | 20:56 | NW 5 | 8.00 | Thunderstorm in Vicinity Rain | FEW045 BKN060 OVC075 | 55 | 55 | 100% | 29.84 | 1011.8 | 0.19 | ||||||
| 13 | 19:56 | S 5 | 10.00 | A Few Clouds | FEW120 | 64.9 | 53.1 | 75 | 64.9 | 66% | 29.79 | 1010.1 | |||||
| 13 | 18:56 | Vrbl 7 | 10.00 | Fair | CLR | 66.9 | 53.1 | 61% | 29.78 | 1009.7 | |||||||
| 13 | 17:56 | S 12 G 18 | 10.00 | Partly Cloudy | SCT090 SCT110 | 66.9 | 51.1 | 57% | 29.8 | 1010.4 | |||||||
| 13 | 16:56 | S 8 | 10.00 | Overcast | BKN080 OVC100 | 66.9 | 52 | 59% | 29.81 | 1010.6 | |||||||
| 13 | 15:56 | SW 8 G 16 | 10.00 | Light Rain | FEW060 OVC080 | 68 | 51.1 | 55% | 29.85 | 1012.0 | |||||||
| 13 | 14:56 | S 10 G 18 | 10.00 | Mostly Cloudy | FEW055 SCT090 BKN110 | 73 | 48 | 41% | 29.86 | 1012.1 | |||||||
| 13 | 13:56 | Vrbl 6 G 17 | 10.00 | A Few Clouds | FEW095 | 73.9 | 48 | 75.9 | 61 | 40% | 29.89 | 1013.1 | |||||
| 13 | 12:56 | S 8 G 17 | 10.00 | Partly Cloudy | SCT080 | 73 | 46 | 38% | 29.91 | 1013.9 | |||||||
| 13 | 11:56 | S 12 G 16 | 10.00 | Fair | CLR | 71.1 | 46 | 41% | 29.91 | 1014.1 | |||||||
| 13 | 10:56 | S 9 | 10.00 | Mostly Cloudy | BKN085 | 69.1 | 45 | 42% | 29.95 | 1015.3 | |||||||
| 13 | 09:56 | Vrbl 7 | 10.00 | Mostly Cloudy | BKN090 | 66.9 | 45 | 45% | 29.97 | 1016.0 | |||||||
| 13 | 08:56 | S 10 G 16 | 10.00 | Fair | CLR | 64 | 44.1 | 48% | 29.98 | 1016.4 | |||||||
| 13 | 07:56 | SW 8 | 10.00 | Fair | CLR | 61 | 42.1 | 61 | 55.9 | 50% | 29.99 | 1016.8 | |||||
| 13 | 06:56 | SW 9 | 10.00 | Fair | CLR | 57 | 41 | 55% | 30 | 1017.1 | |||||||
| 13 | 05:56 | SW 5 | 10.00 | Fair | CLR | 57 | 39.9 | 53% | 30 | 1017.1 | |||||||
| 13 | 04:56 | S 10 | 10.00 | Fair | CLR | 57 | 39.9 | 53% | 30.01 | 1017.3 | |||||||
| 13 | 03:56 | S 9 | 10.00 | Fair | CLR | 57.9 | 41 | 53% | 30.02 | 1017.7 | |||||||
| 13 | 02:56 | S 9 | 10.00 | Fair | CLR | 59 | 42.1 | 54% | 30.03 | 1018.1 | |||||||
| 13 | 01:56 | S 9 | 10.00 | Fair | CLR | 57.9 | 46 | 64.9 | 55.9 | 65% | 30.05 | 1018.9 | |||||
| 13 | 00:56 | SE 9 | 10.00 | Fair | CLR | 57 | 48 | 72% | 30.07 | 1019.6 | |||||||
| 12 | 23:56 | SE 8 | 10.00 | Fair | CLR | 57 | 46 | 67% | 30.08 | 1019.9 | |||||||
| 12 | 22:56 | SE 7 | 10.00 | Fair | CLR | 57 | 45 | 64% | 30.1 | 1020.4 | |||||||
| 12 | 21:56 | SE 9 | 10.00 | Fair | CLR | 60.1 | 45 | 58% | 30.11 | 1020.8 | |||||||
| 12 | 20:56 | SE 7 | 10.00 | Fair | CLR | 63 | 44.1 | 50% | 30.1 | 1020.3 | |||||||
| 12 | 19:56 | SE 9 | 10.00 | Fair | CLR | 64.9 | 44.1 | 72 | 64.9 | 47% | 30.09 | 1020.3 | |||||
| 12 | 18:56 | S 8 | 10.00 | Fair | CLR | 70 | 44.1 | 39% | 30.09 | 1020.4 | |||||||
| 12 | 17:56 | S 8 | 10.00 | Fair | CLR | 71.1 | 42.1 | 35% | 30.1 | 1020.7 | |||||||
| 12 | 16:56 | S 8 | 10.00 | Fair | CLR | 71.1 | 41 | 34% | 30.12 | 1021.3 | |||||||
| 12 | 15:56 | S 8 | 10.00 | Fair | CLR | 71.1 | 39 | 31% | 30.12 | 1021.3 | |||||||
| 12 | 14:56 | Vrbl 7 | 10.00 | Fair | CLR | 69.1 | 39 | 33% | 30.15 | 1022.3 | |||||||
| 12 | 13:56 | SW 7 | 10.00 | Fair | CLR | 66 | 39 | 66.9 | 46.9 | 37% | 30.18 | 1023.5 | |||||
| 12 | 12:56 | Vrbl 3 | 10.00 | Fair | CLR | 64.9 | 35.1 | 33% | 30.21 | 1024.3 | |||||||
| 12 | 11:56 | Vrbl 6 | 10.00 | Fair | CLR | 62.1 | 34 | 35% | 30.24 | 1025.3 | |||||||
| 12 | 10:56 | Calm | 10.00 | Fair | CLR | 61 | 33.1 | 35% | 30.26 | 1025.9 | |||||||
| 12 | 08:56 | Calm | 10.00 | Fair | CLR | 54 | 35.1 | 49% | 30.27 | 1026.5 | |||||||
| 12 | 07:56 | Calm | 10.00 | Fair | CLR | 46.9 | 39.9 | 46.9 | 37.9 | 77% | 30.25 | 1026.0 | |||||
| 12 | 06:56 | Calm | 10.00 | Fair | CLR | 41 | 41 | 100% | 30.24 | 1025.7 | |||||||
| 12 | 05:56 | Calm | 10.00 | Fair | CLR | 39.2 | 0 | 0% | 30.21 | 1024.7 | |||||||
| 12 | 04:56 | Calm | 10.00 | Fair | CLR | 39.2 | 0 | 0% | 30.21 | 1024.5 | |||||||
| 12 | 03:56 | Calm | 10.00 | Fair | CLR | 41 | 0 | 0% | 30.19 | 1023.9 | |||||||
| 12 | 02:56 | Calm | 10.00 | A Few Clouds | FEW095 | 42.8 | 0 | 0% | 30.19 | 1023.7 | |||||||
| 12 | 01:56 | Calm | 10.00 | Fair | CLR | 43 | 43 | 57.9 | 43 | 100% | 30.18 | 1023.6 | |||||
| 12 | 00:56 | Calm | 10.00 | Fair | CLR | 44.1 | 44.1 | 100% | 30.18 | 1023.4 | |||||||
| 11 | 23:56 | Calm | 10.00 | Fair | CLR | 46.9 | 46 | 97% | 30.18 | 1023.4 | |||||||
| 11 | 22:56 | W 3 | 10.00 | Fair | CLR | 50 | 42.1 | 74% | 30.17 | 1023.2 | |||||||
| 11 | 21:56 | SW 3 | 10.00 | Fair | CLR | 53.1 | 39 | 59% | 30.16 | 1022.7 | |||||||
| 11 | 20:56 | Calm | 10.00 | Fair | CLR | 48.9 | 39.9 | 71% | 30.14 | 1022.2 | |||||||
| 11 | 19:56 | Calm | 10.00 | Fair | CLR | 57 | 32 | 64 | 55.9 | 39% | 30.12 | 1021.4 | |||||
| 11 | 18:56 | Calm | 10.00 | Fair | CLR | 61 | 30 | 31% | 30.12 | 1021.1 | |||||||
| 11 | 17:56 | Calm | 10.00 | Fair | CLR | 62.1 | 32 | 32% | 30.11 | 1020.9 | |||||||
| 11 | 16:56 | Vrbl 3 | 10.00 | Fair | CLR | 62.1 | 32 | 32% | 30.11 | 1020.6 | |||||||
| 11 | 15:56 | Vrbl 5 | 10.00 | Fair | CLR | 62.1 | 37 | 40% | 30.12 | 1021.1 | |||||||
| 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) | |||||||||||||||