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. | ||||||||||||||||
| 03 | 18:56 | Calm | 16.09 | Overcast | FEW065 OVC100 | 16.1 | 12.8 | 81% | 76.86 | 1025.8 | |||||||
| 03 | 17:56 | Calm | 16.09 | Overcast | OVC065 | 17.2 | 14.4 | 84% | 76.84 | 1025.6 | |||||||
| 03 | 16:56 | E 7 | 16.09 | Mostly Cloudy | SCT070 BKN120 | 18.3 | 13.3 | 73% | 76.84 | 1025.6 | |||||||
| 03 | 15:56 | Calm | 16.09 | Overcast | FEW070 OVC100 | 18.9 | 12.8 | 68% | 76.84 | 1025.6 | |||||||
| 03 | 14:56 | E 6 | 16.09 | Overcast | OVC070 | 18.3 | 12.2 | 68% | 76.86 | 1025.9 | |||||||
| 03 | 13:56 | Calm | 16.09 | Overcast | FEW075 OVC100 | 18.3 | 13.3 | 18.3 | 13.3 | 73% | 76.89 | 1026.0 | 0.15 | ||||
| 03 | 12:56 | Vrbl 6 | 16.09 | Overcast | OVC075 | 17.8 | 12.2 | 70% | 76.89 | 1026.2 | |||||||
| 03 | 11:56 | Vrbl 6 | 16.09 | Overcast | BKN090 OVC110 | 16.1 | 12.8 | 81% | 76.89 | 1026.4 | |||||||
| 03 | 10:56 | Calm | 16.09 | Overcast | FEW070 BKN090 OVC100 | 14.4 | 13.9 | 97% | 76.91 | 1026.5 | 0.03 | 0.15 | |||||
| 03 | 09:56 | Calm | 14.48 | Light Rain | OVC100 | 13.3 | 13.3 | 100% | 76.89 | 1026.1 | 0.1 | ||||||
| 03 | 08:56 | Calm | 16.09 | Light Rain | OVC100 | 13.9 | 13.9 | 100% | 76.84 | 1025.7 | 0.03 | ||||||
| 03 | 07:56 | Calm | 16.09 | Light Rain | FEW065 OVC100 | 13.3 | 13.3 | 18.3 | 13.3 | 100% | 76.78 | 1025.0 | 0.08 | ||||
| 03 | 06:56 | Calm | 16.09 | Light Rain | OVC100 | 13.3 | 13.3 | 100% | 76.71 | 1024.0 | |||||||
| 03 | 05:56 | Calm | 16.09 | Light Rain | FEW120 | 13.3 | 13.3 | 100% | 76.68 | 1023.2 | 0.03 | ||||||
| 03 | 04:56 | Calm | 16.09 | Light Rain | SCT065 SCT080 BKN090 | 13.3 | 13.3 | 100% | 76.66 | 1023.0 | 0.05 | 0.05 | |||||
| 03 | 03:56 | Calm | 16.09 | Light Rain | FEW110 | 14.4 | 10.6 | 78% | 76.58 | 1021.9 | |||||||
| 03 | 02:56 | Vrbl 6 | 16.09 | Overcast | OVC030 | 16.1 | 12.8 | 81% | 76.53 | 1021.2 | |||||||
| 03 | 01:56 | Calm | 16.09 | Overcast | SCT028 BKN034 OVC110 | 18 | 0 | 21.7 | 18.3 | 0% | 76.5 | 1020.8 | 0.03 | ||||
| 03 | 00:56 | Calm | 16.09 | Overcast | FEW023 BKN037 OVC085 | 18 | 0 | 0% | 76.5 | 1020.8 | |||||||
| 02 | 23:56 | Calm | 14.48 | Overcast | OVC026 | 19 | 0 | 0% | 76.48 | 1020.5 | 0.03 | ||||||
| 02 | 22:56 | Calm | 16.09 | Light Rain | OVC041 | 20 | 20 | 100% | 76.43 | 1019.9 | |||||||
| 02 | 20:56 | Calm | 12.87 | Partly Cloudy | SCT085 SCT120 | 22 | 0 | 0% | 76.3 | 1018.2 | |||||||
| 02 | 19:56 | Calm | 14.48 | Overcast | BKN055 OVC075 | 22 | 0 | 31.1 | 21.7 | 0% | 76.23 | 1017.2 | 1.17 | ||||
| 02 | 18:56 | Calm | 16.09 | Overcast | SCT050 OVC065 | 22 | 0 | 0% | 76.15 | 1016.4 | 1.17 | ||||||
| 02 | 17:56 | Calm | 14.48 | Light Rain | OVC055 | 27.2 | 21.1 | 69% | 29 | 76.07 | 1015.2 | ||||||
| 02 | 16:56 | SW 11 | 16.09 | Overcast | FEW050 OVC065 | 29.4 | 19.4 | 55% | 31 | 76.07 | 1015.0 | ||||||
| 02 | 15:56 | SW 15 | 16.09 | Fair | CLR | 31.1 | 19.4 | 50% | 33 | 76.07 | 1014.9 | ||||||
| 02 | 14:56 | SW 17 | 16.09 | Fair | CLR | 31.1 | 19.4 | 50% | 33 | 76.07 | 1015.0 | ||||||
| 02 | 13:56 | W 17 | 16.09 | Fair | CLR | 30 | 18.9 | 30 | 15.6 | 51% | 31 | 76.15 | 1015.8 | ||||
| 02 | 12:56 | W 13 | 16.09 | Fair | CLR | 30 | 17.8 | 48% | 31 | 76.17 | 1016.4 | ||||||
| 02 | 11:56 | SW 11 | 16.09 | Fair | CLR | 27.8 | 17.2 | 53% | 28 | 76.25 | 1017.2 | ||||||
| 02 | 10:56 | S 9 | 16.09 | Fair | CLR | 26.7 | 17.8 | 58% | 28 | 76.25 | 1017.5 | ||||||
| 02 | 09:56 | SW 6 | 16.09 | Fair | CLR | 22.8 | 17.2 | 71% | 76.28 | 1018.0 | |||||||
| 02 | 08:56 | W 6 | 16.09 | Fair | CLR | 20 | 18.3 | 90% | 76.28 | 1017.9 | |||||||
| 02 | 07:56 | Calm | 12.87 | Fair | CLR | 15.6 | 15.6 | 21.1 | 14.4 | 100% | 76.23 | 1017.4 | |||||
| 02 | 06:56 | Calm | 14.48 | Fair | CLR | 15 | 15 | 100% | 76.23 | 1017.4 | |||||||
| 02 | 05:56 | Calm | 16.09 | Fair | CLR | 16 | 0 | 0% | 76.2 | 1017.0 | |||||||
| 02 | 04:56 | Calm | 16.09 | Fair | CLR | 16 | 0 | 0% | 76.23 | 1017.0 | |||||||
| 02 | 03:56 | Calm | 16.09 | Fair | CLR | 18.3 | 17.2 | 93% | 76.23 | 1017.0 | |||||||
| 02 | 02:56 | Calm | 16.09 | Fair | CLR | 19.4 | 17.2 | 87% | 76.25 | 1017.3 | |||||||
| 02 | 01:56 | S 6 | 16.09 | Fair | CLR | 21.1 | 16.1 | 24.4 | 21.1 | 73% | 76.28 | 1017.6 | |||||
| 02 | 00:56 | S 7 | 16.09 | Fair | CLR | 21.7 | 16.1 | 71% | 76.3 | 1018.0 | |||||||
| 01 | 23:56 | Vrbl 6 | 16.09 | Fair | CLR | 22.2 | 16.1 | 68% | 76.33 | 1018.5 | |||||||
| 01 | 22:56 | Vrbl 6 | 16.09 | Fair | CLR | 22.8 | 16.7 | 69% | 76.35 | 1018.9 | |||||||
| 01 | 21:56 | S 6 | 16.09 | Fair | CLR | 23.3 | 17.2 | 69% | 76.38 | 1019.1 | |||||||
| 01 | 20:56 | SE 7 | 16.09 | Fair | CLR | 22.8 | 17.2 | 71% | 76.38 | 1019.3 | |||||||
| 01 | 19:56 | SE 9 | 16.09 | Fair | CLR | 24.4 | 16.7 | 30.6 | 24.4 | 62% | 25 | 76.38 | 1019.1 | ||||
| 01 | 18:56 | S 7 | 16.09 | Fair | CLR | 26.1 | 16.7 | 56% | 27 | 76.35 | 1018.9 | ||||||
| 01 | 17:56 | S 7 | 16.09 | Fair | CLR | 28.9 | 16.1 | 46% | 29 | 76.33 | 1018.6 | ||||||
| 01 | 16:56 | SW 6 | 16.09 | Fair | CLR | 30 | 15 | 40% | 30 | 76.33 | 1018.7 | ||||||
| 01 | 15:56 | Vrbl 9 | 16.09 | Fair | CLR | 30.6 | 16.1 | 42% | 31 | 76.38 | 1018.9 | ||||||
| 01 | 14:56 | W 11 | 16.09 | Fair | CLR | 28.3 | 16.7 | 49% | 29 | 76.38 | 1019.1 | ||||||
| 01 | 13:56 | SW 7 | 16.09 | Fair | CLR | 28.9 | 17.2 | 28.9 | 17.2 | 49% | 29 | 76.43 | 1019.8 | ||||
| 01 | 12:56 | W 9 | 16.09 | Fair | CLR | 27.2 | 17.8 | 57% | 28 | 76.48 | 1020.6 | ||||||
| 01 | 10:56 | S 6 | 16.09 | Fair | CLR | 23.3 | 18.9 | 76% | 76.53 | 1021.4 | |||||||
| 01 | 09:56 | SW 6 | 16.09 | Fair | CLR | 20 | 19.4 | 96% | 76.53 | 1021.3 | |||||||
| 01 | 08:56 | Calm | 16.09 | Fair | CLR | 18 | 0 | 0% | 76.5 | 1021.1 | |||||||
| 01 | 07:56 | Calm | 14.48 | Fair | CLR | 17.2 | 17.2 | 17.8 | 16.1 | 100% | 76.5 | 1021.0 | |||||
| 01 | 06:56 | Calm | 4.02 | Fog/Mist | CLR | 16.1 | 16.1 | 100% | 76.48 | 1020.6 | |||||||
| 01 | 05:56 | Calm | 2.41 | Fog/Mist | CLR | 16 | 0 | 0% | 76.45 | 1020.4 | |||||||
| 01 | 04:56 | Calm | 9.66 | Fair with Haze | CLR | 17 | 0 | 0% | 76.45 | 1020.2 | |||||||
| 01 | 03:56 | SE 7 | 16.09 | Fair | CLR | 17 | 0 | 0% | 76.43 | 1020.2 | |||||||
| 01 | 02:56 | Calm | 11.27 | Fair | CLR | 17.2 | 17.2 | 100% | 76.45 | 1020.5 | |||||||
| 01 | 01:56 | SE 6 | 16.09 | Fair | CLR | 17 | 0 | 19.4 | 16.7 | 0% | 76.48 | 1020.8 | |||||
| 01 | 00:56 | Calm | 16.09 | Fair | CLR | 17 | 0 | 0% | 76.5 | 1021.1 | |||||||
| 30 | 23:56 | Calm | 16.09 | Fair | CLR | 17 | 0 | 0% | 76.5 | 1021.2 | |||||||
| 30 | 22:56 | Calm | 16.09 | Fair | CLR | 17 | 0 | 0% | 76.53 | 1021.1 | |||||||
| 30 | 21:56 | SE 6 | 16.09 | Fair | CLR | 17.8 | 17.8 | 100% | 76.5 | 1021.1 | |||||||
| 30 | 20:56 | SE 6 | 16.09 | Fair | CLR | 18.3 | 18.3 | 100% | 76.48 | 1020.9 | |||||||
| 30 | 19:56 | Calm | 16.09 | Fair | CLR | 18.9 | 18.9 | 26.7 | 18.9 | 100% | 76.45 | 1020.6 | |||||
| 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) | |||||||||||||||