Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 05 | 16:56 | Calm | 16.09 | Fair | CLR | -0.6 | -11.7 | 43% | 76.15 | 1017.5 | |||||||
| 05 | 15:56 | Calm | 16.09 | Fair | CLR | -0.6 | -11.1 | 45% | 76.17 | 1017.7 | |||||||
| 05 | 14:56 | NW 11 | 16.09 | Fair | CLR | -0.6 | -12.2 | 42% | -4 | 76.17 | 1017.8 | ||||||
| 05 | 13:56 | NW 15 | 16.09 | Fair | CLR | -0.6 | -11.7 | 43% | -5 | 76.23 | 1018.5 | ||||||
| 05 | 12:56 | NW 7 | 16.09 | Fair | CLR | 0 | -12.2 | 0 | -10 | 40% | -2 | 76.3 | 1019.5 | ||||
| 05 | 11:56 | N 7 | 16.09 | Fair | CLR | -1.1 | -12.2 | 43% | -3 | 76.43 | 1021.2 | ||||||
| 05 | 10:56 | Calm | 16.09 | Fair | CLR | -1.1 | -12.8 | 41% | 76.53 | 1022.5 | |||||||
| 05 | 09:56 | NE 9 | 16.09 | Fair | CLR | -2.2 | -12.8 | 44% | -5 | 76.58 | 1023.0 | ||||||
| 05 | 08:56 | Calm | 16.09 | Fair | CLR | -5 | -13.3 | 53% | 76.58 | 1023.2 | |||||||
| 05 | 07:56 | Calm | 16.09 | Fair | CLR | -9.4 | -13.3 | 74% | 76.58 | 1023.3 | |||||||
| 05 | 06:56 | Calm | 16.09 | Fair | CLR | -10 | -12.8 | -6.1 | -10.6 | 80% | 76.56 | 1023.2 | |||||
| 05 | 05:56 | Calm | 16.09 | Fair | CLR | -10.6 | -12.2 | 88% | 76.56 | 1023.0 | |||||||
| 05 | 04:56 | Calm | 16.09 | Fair | CLR | -10.6 | -12.8 | 84% | 76.53 | 1022.8 | |||||||
| 05 | 03:56 | Calm | 16.09 | Fair | CLR | -9.4 | -11.7 | 84% | 76.56 | 1022.9 | |||||||
| 05 | 02:56 | Calm | 16.09 | Fair | CLR | -8.9 | -12.2 | 77% | 76.61 | 1023.4 | |||||||
| 05 | 01:56 | Calm | 16.09 | Fair | CLR | -7.2 | -12.8 | 65% | 76.63 | 1023.9 | |||||||
| 05 | 00:56 | Calm | 16.09 | Fair | CLR | -6.7 | -12.8 | -2.2 | -6.7 | 62% | 76.66 | 1024.3 | |||||
| 04 | 23:56 | Calm | 16.09 | Fair | CLR | -6.7 | -12.2 | 65% | 76.71 | 1024.9 | |||||||
| 04 | 22:56 | Calm | 16.09 | Fair | CLR | -5.6 | -11.7 | 63% | 76.73 | 1025.1 | |||||||
| 04 | 21:56 | Calm | 16.09 | Fair | CLR | -4.4 | -11.7 | 57% | 76.76 | 1025.3 | |||||||
| 04 | 20:56 | Calm | 16.09 | Fair | CLR | -3.3 | -11.7 | 53% | 76.76 | 1025.2 | |||||||
| 04 | 19:56 | N 6 | 16.09 | Fair | CLR | -2.8 | -10 | 58% | 76.76 | 1025.3 | |||||||
| 04 | 18:56 | Calm | 16.09 | Fair | CLR | -2.2 | -10 | 2.2 | -2.2 | 56% | 76.76 | 1025.4 | |||||
| 04 | 17:56 | Calm | 16.09 | Fair | CLR | -1.7 | -8.9 | 58% | 76.76 | 1025.3 | |||||||
| 04 | 16:56 | N 7 | 16.09 | Fair | CLR | 0.6 | -10.6 | 43% | -1 | 76.71 | 1024.9 | ||||||
| 04 | 15:56 | N 6 | 16.09 | Fair | CLR | 1.1 | -11.1 | 40% | 76.71 | 1024.6 | |||||||
| 04 | 14:56 | Vrbl 6 | 16.09 | Fair | CLR | 1.7 | -11.1 | 38% | 76.68 | 1024.3 | |||||||
| 04 | 13:56 | NW 11 | 16.09 | Fair | CLR | 1.1 | -11.7 | 38% | -2 | 76.71 | 1024.9 | ||||||
| 04 | 12:56 | Vrbl 11 | 16.09 | Fair | CLR | 1.7 | -10 | 2.8 | -2.2 | 42% | -1 | 76.76 | 1025.2 | ||||
| 04 | 11:56 | Vrbl 7 | 16.09 | Fair | CLR | 1.7 | -9.4 | 44% | -0 | 76.84 | 1026.5 | ||||||
| 04 | 10:56 | Vrbl 11 | 16.09 | Fair | CLR | 0.6 | -9.4 | 48% | -2 | 76.86 | 1026.9 | ||||||
| 04 | 09:56 | Vrbl 7 | 16.09 | Fair | CLR | -0.6 | -8.3 | 56% | -3 | 76.86 | 1026.8 | ||||||
| 04 | 08:56 | Vrbl 7 | 16.09 | Fair | CLR | -0.6 | -7.8 | 59% | -3 | 76.84 | 1026.5 | ||||||
| 04 | 07:56 | Calm | 14.48 | Fair | CLR | -2.2 | -5 | 81% | 76.76 | 1025.6 | |||||||
| 04 | 06:56 | Calm | 16.09 | Overcast | FEW033 OVC046 | -1.1 | -5.6 | -0.6 | -1.1 | 72% | 76.73 | 1025.2 | |||||
| 04 | 05:56 | Calm | 16.09 | Overcast | SCT031 OVC048 | -1.1 | -4.4 | 79% | 76.68 | 1024.5 | |||||||
| 04 | 04:56 | Vrbl 6 | 16.09 | Overcast | OVC029 | -1.1 | -5 | 75% | 76.66 | 1024.1 | |||||||
| 04 | 03:56 | Calm | 16.09 | Overcast | OVC033 | -1.1 | -5.6 | 72% | 76.63 | 1023.7 | |||||||
| 04 | 02:56 | Vrbl 6 | 16.09 | Overcast | OVC044 | -1.1 | -5.6 | 72% | 76.61 | 1023.3 | |||||||
| 04 | 01:56 | Vrbl 6 | 16.09 | Overcast | OVC044 | -1.1 | -5.6 | 72% | 76.58 | 1023.1 | |||||||
| 04 | 00:56 | NE 7 | 16.09 | Overcast | OVC048 | -0.6 | -5 | 0.6 | -1.1 | 72% | -3 | 76.58 | 1023.0 | ||||
| 03 | 23:56 | Vrbl 6 | 16.09 | Overcast | OVC050 | -0.6 | -5 | 72% | 76.61 | 1023.2 | |||||||
| 03 | 22:56 | Calm | 16.09 | Overcast | OVC050 | -1.1 | -4.4 | 79% | 76.61 | 1023.4 | |||||||
| 03 | 21:56 | Calm | 16.09 | Overcast | OVC050 | -0.6 | -5.6 | 69% | 76.61 | 1023.3 | |||||||
| 03 | 20:56 | Calm | 16.09 | Overcast | OVC050 | -1.1 | -5 | 75% | 76.58 | 1023.2 | |||||||
| 03 | 19:56 | E 6 | 16.09 | Fair | CLR | -0.6 | -5 | 72% | 76.56 | 1022.8 | |||||||
| 03 | 18:56 | Calm | 16.09 | Fair | CLR | 0 | -4.4 | 4.4 | 0 | 73% | 76.58 | 1022.8 | 0.05 | ||||
| 03 | 17:56 | Calm | 16.09 | A Few Clouds | FEW100 | 1.7 | -5.6 | 59% | 76.58 | 1023.1 | |||||||
| 03 | 16:56 | SE 7 | 16.09 | Fair | CLR | 3.3 | -6.1 | 51% | 2 | 76.58 | 1023.0 | ||||||
| 03 | 15:56 | Calm | 16.09 | Fair | CLR | 3.9 | -6.1 | 48% | 76.58 | 1022.9 | 0.05 | ||||||
| 03 | 14:56 | SW 7 | 16.09 | Fair | CLR | 3.3 | -6.1 | 51% | 2 | 76.58 | 1023.0 | ||||||
| 03 | 13:56 | Vrbl 9 | 16.09 | Fair | CLR | 2.8 | -6.7 | 50% | 1 | 76.58 | 1023.0 | 0.05 | |||||
| 03 | 12:56 | Vrbl 6 | 16.09 | Fair | CLR | 2.8 | -6.7 | 2.8 | -4.4 | 50% | 76.61 | 1023.6 | 0.2 | 0.61 | |||
| 03 | 11:56 | W 9 | 16.09 | Partly Cloudy | SCT049 | 2.2 | -7.2 | 50% | -0 | 76.71 | 1024.8 | 0.25 | |||||
| 03 | 10:56 | NW 13 | 16.09 | Overcast | OVC049 | 1.1 | -7.2 | 54% | -2 | 76.76 | 1025.5 | 0.1 | |||||
| 03 | 09:56 | W 11 | 16.09 | Overcast | OVC049 | 1.1 | -5.6 | 61% | -2 | 76.78 | 1025.7 | 0.03 | 0.05 | ||||
| 03 | 08:56 | Calm | 16.09 | Overcast | OVC049 | -1.7 | -7.2 | 66% | 76.76 | 1025.5 | 0.03 | ||||||
| 03 | 07:56 | Calm | 16.09 | Overcast | BKN045 OVC050 | -3.9 | -9.4 | 66% | 76.71 | 1025.1 | |||||||
| 03 | 06:56 | Calm | 16.09 | Overcast | OVC050 | -3.9 | -9.4 | -3.3 | -5 | 66% | 76.66 | 1024.5 | |||||
| 03 | 05:56 | Calm | 16.09 | Overcast | OVC046 | -3.9 | -10 | 63% | 76.66 | 1024.2 | |||||||
| 03 | 04:56 | Calm | 16.09 | Overcast | OVC050 | -4.4 | -10.6 | 62% | 76.66 | 1024.0 | |||||||
| 03 | 03:56 | Calm | 16.09 | Overcast | OVC055 | -4.4 | -10.6 | 62% | 76.63 | 1023.9 | |||||||
| 03 | 02:56 | SE 6 | 16.09 | Overcast | OVC048 | -3.9 | -10.6 | 60% | 76.63 | 1023.6 | |||||||
| 03 | 01:56 | Calm | 16.09 | Overcast | OVC048 | -4.4 | -11.1 | 60% | 76.63 | 1023.7 | |||||||
| 03 | 00:56 | Calm | 16.09 | Overcast | OVC050 | -5 | -10.6 | -5 | -7.8 | 65% | 76.63 | 1023.7 | |||||
| 02 | 23:56 | Calm | 16.09 | Overcast | OVC050 | -5 | -12.2 | 57% | 76.63 | 1023.8 | |||||||
| 02 | 22:56 | Calm | 16.09 | Overcast | OVC060 | -5 | -12.2 | 57% | 76.63 | 1023.9 | |||||||
| 02 | 21:56 | Calm | 16.09 | Overcast | BKN075 OVC110 | -6.7 | -13.9 | 57% | 76.63 | 1024.1 | |||||||
| 02 | 20:56 | Calm | 16.09 | Overcast | OVC120 | -7.2 | -13.9 | 59% | 76.61 | 1023.7 | |||||||
| 02 | 19:56 | Calm | 16.09 | Fair | CLR | -7.2 | -16.1 | 49% | 76.61 | 1023.5 | |||||||
| 02 | 18:56 | Calm | 16.09 | Fair | CLR | -6.1 | -15.6 | 0 | -6.1 | 47% | 76.61 | 1023.7 | |||||
| 02 | 17:56 | Calm | 16.09 | Fair | CLR | -3.3 | -14.4 | 42% | 76.61 | 1023.6 | |||||||
| Date | Time (est) | 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) | |||||||||||||||