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. | ||||||||||||||||
| 28 | 06:56 | S 7 | 16.09 | Fair | CLR | 10 | 6.1 | 77% | 9 | 76.63 | 1022.9 | ||||||
| 28 | 05:56 | S 6 | 16.09 | Fair | CLR | 10 | 6.1 | 77% | 76.63 | 1023.1 | |||||||
| 28 | 04:56 | S 7 | 16.09 | Fair | CLR | 10 | 6.7 | 80% | 9 | 76.66 | 1023.3 | ||||||
| 28 | 03:56 | SE 11 | 16.09 | Fair | CLR | 10 | 7.8 | 86% | 9 | 76.71 | 1024.0 | ||||||
| 28 | 02:56 | SE 9 | 16.09 | Fair | CLR | 9.4 | 7.2 | 86% | 8 | 76.76 | 1024.6 | ||||||
| 28 | 01:56 | SE 13 | 16.09 | Fair | CLR | 10 | 7.8 | 16.7 | 10 | 86% | 8 | 76.73 | 1024.2 | ||||
| 28 | 00:56 | SE 13 | 16.09 | Fair | CLR | 10.6 | 7.8 | 83% | 76.78 | 1024.8 | |||||||
| 27 | 23:56 | E 6 | 16.09 | Fair | CLR | 11.7 | 6.1 | 69% | 76.81 | 1025.2 | |||||||
| 27 | 22:56 | SE 7 | 16.09 | Fair | CLR | 13.3 | 5 | 57% | 76.78 | 1025.2 | |||||||
| 27 | 21:56 | SE 6 | 16.09 | Fair | CLR | 12.8 | 5.6 | 62% | 76.81 | 1025.4 | |||||||
| 27 | 20:56 | SE 7 | 16.09 | Fair | CLR | 14.4 | 5.6 | 56% | 76.78 | 1025.1 | |||||||
| 27 | 19:56 | SE 11 | 16.09 | Fair | CLR | 16.7 | 5 | 21.7 | 16.7 | 46% | 76.76 | 1024.9 | |||||
| 27 | 18:56 | SE 15 | 16.09 | Fair | CLR | 19.4 | 5.6 | 41% | 76.73 | 1024.3 | |||||||
| 27 | 17:56 | Vrbl 9 | 16.09 | Fair | CLR | 20.6 | 5.6 | 38% | 76.71 | 1024.0 | |||||||
| 27 | 16:56 | SE 11 | 16.09 | Fair | CLR | 21.7 | 6.1 | 36% | 76.73 | 1024.3 | |||||||
| 27 | 15:56 | Vrbl 7 | 16.09 | Fair | CLR | 21.1 | 5.6 | 37% | 76.76 | 1024.7 | |||||||
| 27 | 14:56 | Vrbl 9 | 16.09 | A Few Clouds | FEW055 | 21.1 | 6.1 | 38% | 76.81 | 1025.2 | |||||||
| 27 | 13:56 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN050 | 20 | 6.7 | 20 | 7.8 | 42% | 76.81 | 1025.4 | |||||
| 27 | 12:56 | Calm | 16.09 | Fair | CLR | 18.3 | 6.1 | 45% | 76.89 | 1026.3 | |||||||
| 27 | 11:56 | Calm | 16.09 | Fair | CLR | 18.9 | 7.2 | 47% | 76.89 | 1026.3 | |||||||
| 27 | 10:56 | SW 6 | 16.09 | A Few Clouds | FEW035 | 17.2 | 7.2 | 52% | 76.91 | 1026.7 | |||||||
| 27 | 09:56 | NW 7 | 16.09 | Fair | CLR | 14.4 | 6.7 | 60% | 76.91 | 1026.8 | |||||||
| 27 | 08:56 | Calm | 16.09 | Fair | CLR | 11.1 | 8.3 | 83% | 76.89 | 1026.6 | |||||||
| 27 | 07:56 | Calm | 12.87 | Fair | CLR | 8 | 0 | 7.8 | 3.3 | 0% | 76.86 | 1026.3 | |||||
| 27 | 06:56 | Calm | 6.44 | Fair with Haze | CLR | 4 | 0 | 0% | 76.78 | 1025.2 | |||||||
| 27 | 05:56 | Calm | 4.02 | Fog/Mist | CLR | 3 | 0 | 0% | 76.73 | 1024.7 | |||||||
| 27 | 04:56 | Calm | 6.44 | Fair with Haze | CLR | 4 | 0 | 0% | 76.76 | 1024.8 | |||||||
| 27 | 03:56 | Calm | 4.83 | Fog/Mist | CLR | 5 | 0 | 0% | 76.76 | 1024.9 | |||||||
| 27 | 02:56 | Calm | 9.66 | Fair with Haze | CLR | 5 | 0 | 0% | 76.73 | 1024.7 | |||||||
| 27 | 01:56 | Calm | 12.87 | Fair | CLR | 6 | 0 | 12.2 | 6.1 | 0% | 76.73 | 1024.7 | |||||
| 27 | 00:56 | Calm | 16.09 | Fair | CLR | 7 | 0 | 0% | 76.73 | 1024.5 | |||||||
| 26 | 23:56 | Calm | 16.09 | Fair | CLR | 7.8 | 7.8 | 100% | 76.71 | 1024.3 | |||||||
| 26 | 22:56 | Calm | 16.09 | Fair | CLR | 9.4 | 9.4 | 100% | 76.73 | 1024.3 | |||||||
| 26 | 21:56 | SE 6 | 16.09 | Overcast | OVC040 | 11.7 | 8.3 | 80% | 76.71 | 1024.2 | |||||||
| 26 | 20:56 | Calm | 16.09 | Overcast | OVC029 | 12.2 | 7.8 | 75% | 76.66 | 1023.5 | |||||||
| 26 | 19:56 | Vrbl 6 | 16.09 | Overcast | OVC035 | 12.2 | 8.3 | 14.4 | 10.6 | 77% | 76.61 | 1022.6 | |||||
| 26 | 18:56 | Calm | 16.09 | Overcast | OVC039 | 12.8 | 7.8 | 72% | 76.56 | 1022.2 | |||||||
| 26 | 17:56 | Vrbl 6 | 16.09 | Overcast | OVC035 | 13.3 | 7.8 | 70% | 76.53 | 1021.9 | |||||||
| 26 | 16:56 | Vrbl 6 | 16.09 | Overcast | OVC029 | 13.9 | 7.2 | 64% | 76.5 | 1021.5 | |||||||
| 26 | 15:56 | Vrbl 7 | 16.09 | Overcast | OVC025 | 12.8 | 6.7 | 67% | 76.48 | 1021.2 | |||||||
| 26 | 14:56 | NE 9 | 16.09 | Overcast | OVC023 | 12.2 | 6.7 | 69% | 76.5 | 1021.4 | |||||||
| 26 | 13:56 | Vrbl 6 | 16.09 | Overcast | OVC019 | 10.6 | 6.7 | 11.1 | 6.7 | 77% | 76.53 | 1021.8 | |||||
| 26 | 12:56 | Vrbl 7 | 16.09 | Overcast | OVC019 | 10 | 6.7 | 80% | 9 | 76.53 | 1021.7 | ||||||
| 26 | 11:56 | Vrbl 7 | 16.09 | Overcast | OVC017 | 10.6 | 7.2 | 80% | 76.5 | 1021.5 | |||||||
| 26 | 10:56 | Vrbl 6 | 16.09 | Overcast | OVC013 | 8.9 | 7.2 | 89% | 76.5 | 1021.4 | |||||||
| 26 | 09:56 | Calm | 16.09 | Overcast | OVC013 | 8.9 | 7.8 | 93% | 76.45 | 1020.8 | |||||||
| 26 | 08:56 | Vrbl 6 | 16.09 | Overcast | OVC013 | 8.3 | 7.2 | 93% | 76.43 | 1020.5 | |||||||
| 26 | 07:56 | Vrbl 6 | 16.09 | Overcast | OVC009 | 7 | 0 | 7.2 | 6.1 | 0% | 76.38 | 1020.1 | |||||
| 26 | 06:56 | Vrbl 7 | 16.09 | Overcast | OVC009 | 6 | 0 | 0% | 5 | 76.33 | 1019.3 | ||||||
| 26 | 05:56 | Vrbl 6 | 16.09 | Overcast | OVC011 | 6 | 0 | 0% | 76.28 | 1018.4 | |||||||
| 26 | 04:56 | Vrbl 6 | 16.09 | Overcast | OVC011 | 6 | 0 | 0% | 76.2 | 1017.5 | |||||||
| 26 | 03:56 | N 7 | 16.09 | Overcast | OVC009 | 6 | 0 | 0% | 5 | 76.17 | 1016.8 | ||||||
| 26 | 02:56 | Vrbl 6 | 16.09 | Overcast | OVC009 | 7 | 0 | 0% | 76.12 | 1016.5 | |||||||
| 26 | 01:56 | Calm | 11.27 | Light Rain | OVC007 | 7 | 0 | 8.9 | 7.2 | 0% | 76.12 | 1016.4 | 0.1 | ||||
| 26 | 00:56 | Vrbl 6 | 16.09 | Overcast | BKN009 OVC014 | 8 | 0 | 0% | 76.1 | 1016.1 | |||||||
| 25 | 23:56 | Vrbl 7 | 16.09 | Overcast | BKN007 OVC013 | 8 | 0 | 0% | 7 | 76.07 | 1015.7 | ||||||
| 25 | 22:56 | Calm | 16.09 | Light Rain | OVC005 | 8 | 0 | 0% | 76.07 | 1015.6 | 0.05 | 0.1 | |||||
| 25 | 21:56 | Vrbl 6 | 9.66 | Light Rain | OVC005 | 9 | 0 | 0% | 76.05 | 1015.5 | 0.05 | ||||||
| 25 | 20:56 | Vrbl 6 | 16.09 | Overcast | OVC007 | 9 | 0 | 0% | 76.02 | 1015.0 | |||||||
| 25 | 19:56 | Calm | 16.09 | Light Rain | OVC007 | 9 | 0 | 16.1 | 8.9 | 0% | 75.95 | 1014.1 | 0.33 | ||||
| 25 | 18:56 | Vrbl 6 | 16.09 | Overcast | OVC007 | 9 | 0 | 0% | 75.95 | 1013.8 | 0.08 | ||||||
| 25 | 17:56 | Vrbl 9 | 12.87 | Light Rain | SCT009 BKN020 OVC095 | 10 | 0 | 0% | 9 | 75.9 | 1013.3 | 0.2 | |||||
| 25 | 16:56 | E 6 | 9.66 | Rain Fog/Mist | OVC023 | 11.1 | 11.1 | 100% | 75.95 | 1014.0 | 0.05 | 0.05 | |||||
| 25 | 15:56 | Vrbl 9 | 16.09 | Light Rain | OVC027 | 12.8 | 11.7 | 93% | 75.92 | 1013.4 | |||||||
| 25 | 14:56 | Vrbl 9 | 16.09 | Overcast | OVC029 | 15.6 | 7.8 | 60% | 75.9 | 1013.0 | |||||||
| 25 | 13:56 | Vrbl 9 | 16.09 | Overcast | OVC025 | 16.1 | 9.4 | 16.7 | 12.2 | 65% | 75.9 | 1013.1 | |||||
| 25 | 12:56 | Vrbl 7 | 16.09 | Overcast | OVC023 | 16.1 | 9.4 | 65% | 75.92 | 1013.4 | |||||||
| 25 | 11:56 | E 13 G 26 | 16.09 | Overcast | OVC021 | 15.6 | 9.4 | 67% | 75.92 | 1013.5 | |||||||
| 25 | 10:56 | Vrbl 6 | 16.09 | Overcast | OVC019 | 15 | 10 | 72% | 75.92 | 1013.6 | |||||||
| 25 | 09:56 | Calm | 16.09 | Overcast | OVC015 | 13.3 | 10.6 | 84% | 75.97 | 1014.0 | |||||||
| 25 | 08:56 | Vrbl 11 | 16.09 | Overcast | OVC011 | 12.2 | 11.7 | 97% | 75.97 | 1014.0 | |||||||
| 25 | 07:56 | Vrbl 6 | 16.09 | Overcast | OVC011 | 12.2 | 11.7 | 13.9 | 11.1 | 97% | 75.92 | 1013.5 | |||||
| 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) | |||||||||||||||