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. | ||||||||||||||||
| 05 | 09:56 | W 17 | 16.09 | Fair | CLR | 16.7 | 16.7 | 100% | 76.45 | 1020.6 | |||||||
| 05 | 08:56 | W 9 | 0.80 | Fog | BKN002 OVC019 | 14.4 | 14.4 | 100% | 76.4 | 1019.9 | 0.03 | ||||||
| 05 | 07:56 | W 7 | 6.44 | Fog/Mist | CLR | 13.3 | 13.3 | 15.6 | 13.3 | 100% | 76.38 | 1019.6 | |||||
| 05 | 06:56 | W 11 | 14.48 | Partly Cloudy | SCT006 | 14 | 0 | 0% | 76.35 | 1019.2 | |||||||
| 05 | 05:56 | W 6 | 16.09 | Overcast | OVC006 | 14.4 | 14.4 | 100% | 76.35 | 1019.2 | |||||||
| 05 | 04:56 | W 9 | 8.05 | Fog/Mist | OVC003 | 15 | 15 | 100% | 76.35 | 1019.1 | |||||||
| 05 | 03:56 | Vrbl 7 | 9.66 | Fog/Mist | OVC003 | 15 | 15 | 100% | 76.35 | 1019.4 | |||||||
| 05 | 02:56 | W 11 | 1.21 | Fog/Mist | BKN003 OVC018 | 15 | 15 | 100% | 76.4 | 1020.0 | |||||||
| 05 | 01:56 | Calm | 0.40 | Fog | OVC003 | 15 | 15 | 16.1 | 15 | 100% | 76.43 | 1020.1 | |||||
| 05 | 00:56 | Calm | 8.05 | Fog/Mist | BKN003 OVC029 | 15.6 | 15.6 | 100% | 76.43 | 1020.2 | |||||||
| 04 | 23:56 | Calm | 14.48 | Overcast | OVC004 | 16.1 | 16.1 | 100% | 76.5 | 1021.1 | |||||||
| 04 | 22:56 | Calm | 16.09 | Overcast | BKN006 OVC010 | 16.1 | 16.1 | 100% | 76.5 | 1021.3 | |||||||
| 04 | 21:56 | Calm | 11.27 | Overcast | BKN006 OVC020 | 16 | 0 | 0% | 76.53 | 1021.4 | |||||||
| 04 | 20:56 | Calm | 16.09 | Overcast | OVC006 | 16 | 0 | 0% | 76.53 | 1021.6 | |||||||
| 04 | 19:56 | Calm | 16.09 | Overcast | SCT004 OVC020 | 16 | 0 | 17.8 | 16.1 | 0% | 76.48 | 1020.9 | 0.03 | ||||
| 04 | 18:56 | Calm | 4.02 | Light Rain Fog/Mist | BKN006 OVC013 | 16.1 | 16.1 | 100% | 76.48 | 1021.1 | |||||||
| 04 | 17:56 | Calm | 16.09 | Overcast | BKN009 OVC013 | 17 | 0 | 0% | 76.48 | 1020.7 | |||||||
| 04 | 16:56 | Calm | 16.09 | Overcast | BKN010 OVC014 | 17.2 | 17.2 | 100% | 76.5 | 1021.1 | 0.03 | ||||||
| 04 | 15:56 | Calm | 16.09 | Overcast | BKN006 OVC012 | 17.2 | 17.2 | 100% | 76.53 | 1021.4 | 0.03 | ||||||
| 04 | 14:56 | Calm | 3.22 | Light Rain | OVC006 | 17 | 0 | 0% | 76.56 | 1021.9 | |||||||
| 04 | 12:56 | Vrbl 6 | 4.83 | Fog/Mist | OVC008 | 16.7 | 16.7 | 100% | 76.61 | 1022.8 | |||||||
| 04 | 11:56 | Calm | 12.87 | Overcast | OVC008 | 16.7 | 16.7 | 100% | 76.68 | 1023.7 | |||||||
| 04 | 10:56 | Vrbl 9 | 4.83 | Fog/Mist | OVC006 | 16 | 0 | 0% | 76.71 | 1024.0 | 0.05 | ||||||
| 04 | 08:56 | Calm | 4.83 | Light Rain Fog/Mist | OVC004 | 15.6 | 15.6 | 100% | 76.76 | 1024.6 | 0.03 | ||||||
| 04 | 07:56 | Calm | 3.22 | Light Rain | OVC006 | 15 | 0 | 16.1 | 15 | 0% | 76.76 | 1024.5 | 0.1 | ||||
| 04 | 06:56 | Calm | 16.09 | Overcast | OVC006 | 15 | 0 | 0% | 76.76 | 1024.7 | 0.03 | ||||||
| 04 | 05:56 | Calm | 12.87 | Light Rain | BKN006 OVC050 | 15 | 0 | 0% | 76.76 | 1024.6 | 0.03 | ||||||
| 04 | 04:56 | Calm | 6.44 | Light Rain | OVC006 | 15 | 0 | 0% | 76.78 | 1024.8 | 0.05 | 0.05 | |||||
| 04 | 03:56 | Calm | 9.66 | Light Rain | OVC008 | 15 | 0 | 0% | 76.76 | 1024.6 | |||||||
| 04 | 02:56 | Calm | 16.09 | Overcast | BKN017 OVC025 | 15.6 | 15.6 | 100% | 76.78 | 1025.0 | |||||||
| 04 | 01:56 | Calm | 16.09 | Overcast | BKN017 OVC031 | 16.1 | 16.1 | 16.1 | 15 | 100% | 76.81 | 1025.4 | |||||
| 04 | 00:56 | Calm | 16.09 | Overcast | OVC017 | 15.6 | 15.6 | 100% | 76.86 | 1025.9 | |||||||
| 03 | 23:56 | Calm | 16.09 | Overcast | OVC021 | 15 | 0 | 0% | 76.89 | 1026.5 | |||||||
| 03 | 22:56 | Calm | 16.09 | Overcast | FEW029 OVC046 | 15.6 | 15.6 | 100% | 76.89 | 1026.2 | |||||||
| 03 | 21:56 | Calm | 16.09 | Overcast | OVC048 | 15 | 15 | 100% | 76.89 | 1026.4 | |||||||
| 03 | 20:56 | Calm | 16.09 | Overcast | SCT055 OVC090 | 15 | 15 | 100% | 76.89 | 1026.3 | |||||||
| 03 | 19:56 | Calm | 16.09 | Overcast | OVC095 | 15 | 14.4 | 19.4 | 15 | 96% | 76.89 | 1026.1 | |||||
| 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 | ||||||
| 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) | |||||||||||||||