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. | ||||||||||||||||
| 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 | |||||
| 30 | 18:56 | Calm | 16.09 | Fair | CLR | 20.6 | 18.9 | 90% | 76.45 | 1020.6 | |||||||
| 30 | 17:56 | S 6 | 16.09 | Fair | CLR | 25 | 16.7 | 60% | 26 | 76.43 | 1020.1 | ||||||
| 30 | 16:56 | S 6 | 16.09 | Partly Cloudy | SCT045 | 25.6 | 16.7 | 58% | 26 | 76.43 | 1020.0 | ||||||
| 30 | 15:56 | Vrbl 7 | 16.09 | Partly Cloudy | SCT047 | 26.1 | 16.1 | 54% | 27 | 76.45 | 1020.1 | ||||||
| 30 | 14:56 | S 9 | 16.09 | Mostly Cloudy | BKN047 | 25.6 | 15 | 52% | 26 | 76.45 | 1020.2 | ||||||
| 30 | 13:56 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN047 | 25.6 | 15.6 | 26.1 | 13.9 | 54% | 26 | 76.5 | 1020.9 | ||||
| 30 | 12:56 | SW 9 | 16.09 | Mostly Cloudy | BKN044 | 24.4 | 15.6 | 58% | 26 | 76.56 | 1021.6 | ||||||
| 30 | 11:56 | SW 11 | 16.09 | Fair | CLR | 24.4 | 15.6 | 58% | 26 | 76.58 | 1022.0 | ||||||
| 30 | 10:56 | S 13 | 16.09 | Fair | CLR | 23.9 | 15.6 | 60% | 25 | 76.63 | 1022.5 | ||||||
| 30 | 09:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN055 | 20.6 | 16.7 | 78% | 76.63 | 1022.9 | |||||||
| 30 | 08:56 | W 6 | 16.09 | Fair | CLR | 17 | 0 | 0% | 76.63 | 1022.9 | |||||||
| 30 | 07:56 | Calm | 16.09 | Fair | CLR | 13.9 | 13.9 | 14.4 | 13.3 | 100% | 76.58 | 1022.4 | |||||
| 30 | 06:56 | Calm | 8.05 | Fog/Mist | CLR | 13.3 | 13.3 | 100% | 76.53 | 1021.7 | |||||||
| 30 | 05:56 | Calm | 6.44 | Fog/Mist | CLR | 13.9 | 13.9 | 100% | 76.5 | 1021.1 | |||||||
| 30 | 04:56 | Calm | 9.66 | Fog/Mist | BKN050 | 13.3 | 13.3 | 100% | 76.5 | 1021.1 | |||||||
| 30 | 03:56 | Calm | 9.66 | Fog/Mist | SCT048 | 13.9 | 13.9 | 100% | 76.48 | 1020.7 | |||||||
| 30 | 02:56 | Calm | 2.41 | Fog/Mist | CLR | 14.4 | 14.4 | 100% | 76.5 | 1020.9 | |||||||
| 30 | 01:56 | Calm | 2.82 | Fog/Mist | CLR | 14.4 | 14.4 | 18.9 | 14.4 | 100% | 76.48 | 1020.6 | |||||
| 30 | 00:56 | Calm | 16.09 | Fair | CLR | 15.6 | 15.6 | 100% | 76.48 | 1020.7 | |||||||
| 29 | 23:56 | Calm | 16.09 | Fair | CLR | 16 | 0 | 0% | 76.48 | 1020.8 | |||||||
| 29 | 22:56 | Calm | 16.09 | Partly Cloudy | SCT055 | 17 | 0 | 0% | 76.48 | 1020.7 | |||||||
| 29 | 21:56 | Calm | 16.09 | Overcast | OVC055 | 17.8 | 17.8 | 100% | 76.48 | 1020.6 | |||||||
| 29 | 20:56 | Calm | 16.09 | Overcast | FEW036 OVC060 | 17.8 | 17.8 | 100% | 76.43 | 1020.1 | |||||||
| 29 | 19:56 | Calm | 16.09 | Overcast | OVC060 | 18.9 | 18.3 | 23.3 | 18.9 | 96% | 76.4 | 1019.8 | |||||
| 29 | 18:56 | Calm | 16.09 | Overcast | OVC060 | 19.4 | 17.8 | 91% | 76.38 | 1019.4 | |||||||
| 29 | 17:56 | W 9 | 16.09 | A Few Clouds | FEW060 | 21.1 | 16.7 | 76% | 76.35 | 1018.9 | |||||||
| 29 | 16:56 | Vrbl 6 | 16.09 | Partly Cloudy | SCT060 | 22.2 | 16.1 | 68% | 76.3 | 1018.3 | |||||||
| 29 | 15:56 | NW 9 | 16.09 | Overcast | SCT034 OVC060 | 22.2 | 16.1 | 68% | 76.33 | 1018.7 | |||||||
| 29 | 14:56 | Calm | 16.09 | Overcast | FEW026 BKN037 OVC060 | 22.2 | 15.6 | 66% | 76.35 | 1019.0 | |||||||
| 29 | 13:56 | Calm | 16.09 | Overcast | FEW022 BKN034 OVC060 | 21.7 | 16.7 | 21.7 | 15.6 | 73% | 76.38 | 1019.4 | |||||
| 29 | 11:56 | Vrbl 7 | 16.09 | Overcast | FEW021 SCT031 OVC060 | 20.6 | 16.1 | 76% | 76.45 | 1020.2 | |||||||
| 29 | 10:56 | NW 7 | 16.09 | Overcast | BKN017 OVC045 | 20 | 17.2 | 84% | 76.45 | 1020.2 | |||||||
| 29 | 09:56 | NW 11 | 16.09 | Overcast | SCT041 OVC050 | 19.4 | 16.7 | 84% | 76.43 | 1019.9 | |||||||
| 29 | 08:56 | NW 9 | 16.09 | Overcast | OVC050 | 17.8 | 16.7 | 93% | 76.38 | 1019.6 | |||||||
| 29 | 07:56 | Calm | 16.09 | Overcast | OVC049 | 16 | 0 | 16.1 | 13.9 | 0% | 76.35 | 1019.1 | |||||
| 29 | 06:56 | Calm | 16.09 | Overcast | OVC055 | 15 | 0 | 0% | 76.3 | 1018.7 | |||||||
| 29 | 05:56 | Calm | 16.09 | Overcast | OVC060 | 14.4 | 14.4 | 100% | 76.25 | 1018.0 | |||||||
| 29 | 04:56 | Calm | 16.09 | Mostly Cloudy | FEW034 BKN065 | 13.9 | 13.9 | 100% | 76.25 | 1017.8 | |||||||
| 29 | 03:56 | Calm | 16.09 | Mostly Cloudy | BKN060 | 15 | 15 | 100% | 76.23 | 1017.5 | |||||||
| 29 | 02:56 | Calm | 16.09 | Overcast | OVC070 | 15.6 | 15.6 | 100% | 76.23 | 1017.5 | |||||||
| 29 | 01:56 | Calm | 16.09 | Overcast | OVC070 | 16.1 | 16.1 | 18.3 | 16.1 | 100% | 76.23 | 1017.6 | |||||
| 29 | 00:56 | Calm | 16.09 | Overcast | BKN032 OVC070 | 16.7 | 16.7 | 100% | 76.25 | 1017.7 | |||||||
| 28 | 23:56 | W 6 | 16.09 | Overcast | OVC034 | 17.2 | 16.1 | 93% | 76.25 | 1017.7 | |||||||
| 28 | 22:56 | W 6 | 16.09 | Overcast | OVC038 | 17.2 | 16.1 | 93% | 76.23 | 1017.5 | |||||||
| 28 | 21:56 | W 6 | 16.09 | Overcast | OVC032 | 17.2 | 16.7 | 97% | 76.2 | 1017.2 | |||||||
| 28 | 20:56 | Calm | 16.09 | Overcast | OVC032 | 17.8 | 16.1 | 90% | 76.17 | 1016.8 | |||||||
| 28 | 19:56 | NW 7 | 16.09 | Overcast | OVC028 | 17.8 | 15.6 | 20.6 | 17.8 | 87% | 76.12 | 1016.2 | |||||
| 28 | 18:56 | W 7 | 16.09 | Overcast | OVC030 | 18.3 | 15.6 | 84% | 76.1 | 1015.7 | |||||||
| 28 | 17:56 | NW 9 | 16.09 | Overcast | OVC032 | 18.9 | 15.6 | 81% | 76.05 | 1015.1 | |||||||
| 28 | 16:56 | NW 11 | 16.09 | Overcast | OVC032 | 19.4 | 15 | 76% | 76.02 | 1014.5 | |||||||
| 28 | 15:56 | Vrbl 9 | 16.09 | Overcast | OVC030 | 20 | 15 | 73% | 76 | 1014.3 | |||||||
| 28 | 14:56 | Vrbl 6 | 16.09 | Overcast | SCT023 OVC031 | 19.4 | 16.1 | 81% | 76 | 1014.3 | |||||||
| 28 | 13:56 | W 13 | 16.09 | Overcast | OVC021 | 17.8 | 15.6 | 18.3 | 15 | 87% | 76.02 | 1014.9 | |||||
| 28 | 12:56 | NW 13 | 16.09 | Overcast | OVC022 | 18.3 | 15 | 81% | 76.02 | 1014.8 | |||||||
| 28 | 11:56 | W 13 | 16.09 | Overcast | OVC015 | 17.2 | 16.7 | 97% | 76.05 | 1015.0 | |||||||
| 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) | |||||||||||||||