Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 14 | 16:56 | NW 19 G 30 | 16.09 | Overcast | OVC055 | 13.9 | 4.4 | 53% | 75.82 | 1012.2 | |||||||
| 14 | 15:56 | NW 19 G 28 | 16.09 | Overcast | BKN049 OVC060 | 13.9 | 4.4 | 53% | 75.82 | 1012.2 | |||||||
| 14 | 14:56 | W 17 G 28 | 16.09 | Overcast | OVC050 | 15 | 5.6 | 54% | 75.82 | 1012.2 | |||||||
| 14 | 13:56 | W 22 G 35 | 16.09 | Overcast | OVC047 | 13.9 | 4.4 | 16.1 | 11.1 | 53% | 75.82 | 1012.3 | |||||
| 14 | 12:56 | NW 20 G 33 | 16.09 | Overcast | BKN040 OVC050 | 13.3 | 5.6 | 60% | 75.84 | 1012.5 | |||||||
| 14 | 11:56 | NW 19 G 39 | 16.09 | Mostly Cloudy | BKN043 | 15.6 | 5 | 50% | 75.84 | 1012.3 | |||||||
| 14 | 10:56 | NW 31 G 39 | 16.09 | Mostly Cloudy | BKN037 | 15 | 6.1 | 56% | 75.84 | 1012.2 | |||||||
| 14 | 09:56 | NW 15 G 33 | 16.09 | Fair | CLR | 13.9 | 6.1 | 60% | 75.84 | 1012.5 | |||||||
| 14 | 08:56 | Vrbl 11 | 16.09 | Fair | CLR | 12.8 | 7.8 | 72% | 75.84 | 1012.5 | |||||||
| 14 | 07:56 | NW 9 | 16.09 | Overcast | SCT070 OVC085 | 11.1 | 11.1 | 11.1 | 10 | 100% | 75.82 | 1011.9 | 0.03 | ||||
| 14 | 06:56 | NW 9 | 16.09 | Overcast | BKN055 OVC070 | 11 | 0 | 0% | 75.77 | 1011.3 | |||||||
| 14 | 05:56 | Calm | 16.09 | Mostly Cloudy | SCT050 BKN070 BKN110 | 11 | 0 | 0% | 75.69 | 1010.5 | |||||||
| 14 | 04:56 | Calm | 16.09 | Overcast | BKN050 BKN060 OVC075 | 11 | 0 | 0% | 75.69 | 1010.5 | 0.03 | 0.03 | |||||
| 14 | 02:56 | Calm | 14.48 | Overcast | FEW001 SCT070 OVC110 | 11 | 0 | 0% | 75.69 | 1010.4 | |||||||
| 14 | 01:56 | Calm | 4.02 | Fog/Mist | FEW005 BKN085 OVC120 | 11 | 0 | 18.3 | 11.1 | 0% | 75.72 | 1010.8 | 0.81 | ||||
| 14 | 00:56 | Calm | 8.05 | Overcast with Haze | OVC100 | 12 | 0 | 0% | 75.77 | 1011.2 | |||||||
| 13 | 23:56 | Calm | 12.87 | Mostly Cloudy | BKN100 | 12 | 0 | 0% | 75.77 | 1011.4 | |||||||
| 13 | 22:56 | Calm | 16.09 | Mostly Cloudy | BKN110 | 13 | 0 | 0% | 75.77 | 1011.3 | 0.05 | 0.81 | |||||
| 13 | 21:56 | S 9 | 16.09 | Light Rain | BKN075 OVC090 | 13 | 0 | 0% | 75.77 | 1011.4 | 0.28 | ||||||
| 13 | 20:56 | NW 7 | 12.87 | Thunderstorm in Vicinity Rain | FEW045 BKN060 OVC075 | 12.8 | 12.8 | 100% | 75.79 | 1011.8 | 0.48 | ||||||
| 13 | 19:56 | S 7 | 16.09 | A Few Clouds | FEW120 | 18.3 | 11.7 | 23.9 | 18.3 | 66% | 75.67 | 1010.1 | |||||
| 13 | 18:56 | Vrbl 11 | 16.09 | Fair | CLR | 19.4 | 11.7 | 61% | 75.64 | 1009.7 | |||||||
| 13 | 17:56 | S 19 G 30 | 16.09 | Partly Cloudy | SCT090 SCT110 | 19.4 | 10.6 | 57% | 75.69 | 1010.4 | |||||||
| 13 | 16:56 | S 13 | 16.09 | Overcast | BKN080 OVC100 | 19.4 | 11.1 | 59% | 75.72 | 1010.6 | |||||||
| 13 | 15:56 | SW 13 G 26 | 16.09 | Light Rain | FEW060 OVC080 | 20 | 10.6 | 55% | 75.82 | 1012.0 | |||||||
| 13 | 14:56 | S 17 G 30 | 16.09 | Mostly Cloudy | FEW055 SCT090 BKN110 | 22.8 | 8.9 | 41% | 75.84 | 1012.1 | |||||||
| 13 | 13:56 | Vrbl 9 G 28 | 16.09 | A Few Clouds | FEW095 | 23.3 | 8.9 | 24.4 | 16.1 | 40% | 75.92 | 1013.1 | |||||
| 13 | 12:56 | S 13 G 28 | 16.09 | Partly Cloudy | SCT080 | 22.8 | 7.8 | 38% | 75.97 | 1013.9 | |||||||
| 13 | 11:56 | S 19 G 26 | 16.09 | Fair | CLR | 21.7 | 7.8 | 41% | 75.97 | 1014.1 | |||||||
| 13 | 10:56 | S 15 | 16.09 | Mostly Cloudy | BKN085 | 20.6 | 7.2 | 42% | 76.07 | 1015.3 | |||||||
| 13 | 09:56 | Vrbl 11 | 16.09 | Mostly Cloudy | BKN090 | 19.4 | 7.2 | 45% | 76.12 | 1016.0 | |||||||
| 13 | 08:56 | S 17 G 26 | 16.09 | Fair | CLR | 17.8 | 6.7 | 48% | 76.15 | 1016.4 | |||||||
| 13 | 07:56 | SW 13 | 16.09 | Fair | CLR | 16.1 | 5.6 | 16.1 | 13.3 | 50% | 76.17 | 1016.8 | |||||
| 13 | 06:56 | SW 15 | 16.09 | Fair | CLR | 13.9 | 5 | 55% | 76.2 | 1017.1 | |||||||
| 13 | 05:56 | SW 7 | 16.09 | Fair | CLR | 13.9 | 4.4 | 53% | 76.2 | 1017.1 | |||||||
| 13 | 04:56 | S 17 | 16.09 | Fair | CLR | 13.9 | 4.4 | 53% | 76.23 | 1017.3 | |||||||
| 13 | 03:56 | S 15 | 16.09 | Fair | CLR | 14.4 | 5 | 53% | 76.25 | 1017.7 | |||||||
| 13 | 02:56 | S 15 | 16.09 | Fair | CLR | 15 | 5.6 | 54% | 76.28 | 1018.1 | |||||||
| 13 | 01:56 | S 15 | 16.09 | Fair | CLR | 14.4 | 7.8 | 18.3 | 13.3 | 65% | 76.33 | 1018.9 | |||||
| 13 | 00:56 | SE 15 | 16.09 | Fair | CLR | 13.9 | 8.9 | 72% | 76.38 | 1019.6 | |||||||
| 12 | 23:56 | SE 13 | 16.09 | Fair | CLR | 13.9 | 7.8 | 67% | 76.4 | 1019.9 | |||||||
| 12 | 22:56 | SE 11 | 16.09 | Fair | CLR | 13.9 | 7.2 | 64% | 76.45 | 1020.4 | |||||||
| 12 | 21:56 | SE 15 | 16.09 | Fair | CLR | 15.6 | 7.2 | 58% | 76.48 | 1020.8 | |||||||
| 12 | 20:56 | SE 11 | 16.09 | Fair | CLR | 17.2 | 6.7 | 50% | 76.45 | 1020.3 | |||||||
| 12 | 19:56 | SE 15 | 16.09 | Fair | CLR | 18.3 | 6.7 | 22.2 | 18.3 | 47% | 76.43 | 1020.3 | |||||
| 12 | 18:56 | S 13 | 16.09 | Fair | CLR | 21.1 | 6.7 | 39% | 76.43 | 1020.4 | |||||||
| 12 | 17:56 | S 13 | 16.09 | Fair | CLR | 21.7 | 5.6 | 35% | 76.45 | 1020.7 | |||||||
| 12 | 16:56 | S 13 | 16.09 | Fair | CLR | 21.7 | 5 | 34% | 76.5 | 1021.3 | |||||||
| 12 | 15:56 | S 13 | 16.09 | Fair | CLR | 21.7 | 3.9 | 31% | 76.5 | 1021.3 | |||||||
| 12 | 14:56 | Vrbl 11 | 16.09 | Fair | CLR | 20.6 | 3.9 | 33% | 76.58 | 1022.3 | |||||||
| 12 | 13:56 | SW 11 | 16.09 | Fair | CLR | 18.9 | 3.9 | 19.4 | 8.3 | 37% | 76.66 | 1023.5 | |||||
| 12 | 12:56 | Vrbl 6 | 16.09 | Fair | CLR | 18.3 | 1.7 | 33% | 76.73 | 1024.3 | |||||||
| 12 | 11:56 | Vrbl 9 | 16.09 | Fair | CLR | 16.7 | 1.1 | 35% | 76.81 | 1025.3 | |||||||
| 12 | 10:56 | Calm | 16.09 | Fair | CLR | 16.1 | 0.6 | 35% | 76.86 | 1025.9 | |||||||
| 12 | 08:56 | Calm | 16.09 | Fair | CLR | 12.2 | 1.7 | 49% | 76.89 | 1026.5 | |||||||
| 12 | 07:56 | Calm | 16.09 | Fair | CLR | 8.3 | 4.4 | 8.3 | 3.3 | 77% | 76.84 | 1026.0 | |||||
| 12 | 06:56 | Calm | 16.09 | Fair | CLR | 5 | 5 | 100% | 76.81 | 1025.7 | |||||||
| 12 | 05:56 | Calm | 16.09 | Fair | CLR | 4 | 0 | 0% | 76.73 | 1024.7 | |||||||
| 12 | 04:56 | Calm | 16.09 | Fair | CLR | 4 | 0 | 0% | 76.73 | 1024.5 | |||||||
| 12 | 03:56 | Calm | 16.09 | Fair | CLR | 5 | 0 | 0% | 76.68 | 1023.9 | |||||||
| 12 | 02:56 | Calm | 16.09 | A Few Clouds | FEW095 | 6 | 0 | 0% | 76.68 | 1023.7 | |||||||
| 12 | 01:56 | Calm | 16.09 | Fair | CLR | 6.1 | 6.1 | 14.4 | 6.1 | 100% | 76.66 | 1023.6 | |||||
| 12 | 00:56 | Calm | 16.09 | Fair | CLR | 6.7 | 6.7 | 100% | 76.66 | 1023.4 | |||||||
| 11 | 23:56 | Calm | 16.09 | Fair | CLR | 8.3 | 7.8 | 97% | 76.66 | 1023.4 | |||||||
| 11 | 22:56 | W 6 | 16.09 | Fair | CLR | 10 | 5.6 | 74% | 76.63 | 1023.2 | |||||||
| 11 | 21:56 | SW 6 | 16.09 | Fair | CLR | 11.7 | 3.9 | 59% | 76.61 | 1022.7 | |||||||
| 11 | 20:56 | Calm | 16.09 | Fair | CLR | 9.4 | 4.4 | 71% | 76.56 | 1022.2 | |||||||
| 11 | 19:56 | Calm | 16.09 | Fair | CLR | 13.9 | 0 | 17.8 | 13.3 | 39% | 76.5 | 1021.4 | |||||
| 11 | 18:56 | Calm | 16.09 | Fair | CLR | 16.1 | -1.1 | 31% | 76.5 | 1021.1 | |||||||
| 11 | 17:56 | Calm | 16.09 | Fair | CLR | 16.7 | 0 | 32% | 76.48 | 1020.9 | |||||||
| Date | Time (edt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||