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. | ||||||||||||||||
| 19 | 08:56 | Calm | 16.09 | A Few Clouds | FEW080 | 25.6 | 22.8 | 85% | 27 | 75.92 | 1013.1 | ||||||
| 19 | 07:56 | Calm | 16.09 | A Few Clouds | FEW090 | 23.3 | 23.3 | 23.3 | 21.1 | 100% | 75.9 | 1012.8 | |||||
| 19 | 06:56 | Calm | 16.09 | Fair | CLR | 21 | 0 | 0% | 75.84 | 1012.1 | |||||||
| 19 | 05:56 | W 6 | 16.09 | Fair | CLR | 22 | 0 | 0% | 75.82 | 1011.9 | |||||||
| 19 | 04:56 | NW 6 | 16.09 | Partly Cloudy | SCT037 | 22 | 0 | 0% | 75.77 | 1010.9 | |||||||
| 19 | 03:56 | W 9 | 16.09 | Mostly Cloudy | BKN055 | 22 | 0 | 0% | 75.72 | 1010.4 | |||||||
| 19 | 02:56 | Calm | 12.87 | Fair | CLR | 23 | 0 | 0% | 75.74 | 1010.5 | |||||||
| 19 | 01:56 | Calm | 16.09 | Fair | CLR | 23 | 0 | 25 | 23.3 | 0% | 75.72 | 1010.1 | |||||
| 19 | 00:56 | Calm | 16.09 | Fair | CLR | 24 | 0 | 0% | 75.69 | 1010.1 | |||||||
| 18 | 23:56 | Calm | 14.48 | Overcast | OVC041 | 24 | 0 | 0% | 75.72 | 1010.1 | |||||||
| 18 | 22:56 | Calm | 16.09 | Fair | CLR | 24 | 0 | 0% | 75.72 | 1010.2 | |||||||
| 18 | 21:56 | Calm | 6.44 | Fair with Haze | CLR | 23 | 0 | 0% | 75.69 | 1010.1 | |||||||
| 18 | 20:56 | Calm | 9.66 | Fair with Haze | CLR | 23 | 0 | 0% | 75.72 | 1010.2 | |||||||
| 18 | 19:56 | Calm | 16.09 | A Few Clouds | FEW044 | 25 | 25 | 35 | 22.2 | 100% | 25 | 75.72 | 1010.3 | 0.97 | |||
| 18 | 18:56 | NW 6 | 12.87 | Fair | CLR | 24 | 0 | 0% | 75.69 | 1010.2 | |||||||
| 18 | 17:56 | SW 6 | 16.09 | Fair | CLR | 24.4 | 24.4 | 100% | 24 | 75.67 | 1009.7 | 0.03 | |||||
| 18 | 16:56 | Calm | 11.27 | Thunderstorm Light Rain | SCT044 SCT060 BKN110 | 23 | 0 | 0% | 75.9 | 1012.8 | 0.94 | ||||||
| 18 | 15:56 | Calm | 8.05 | Thunderstorm in Vicinity Light Rain | FEW027 SCT048 BKN070 | 22 | 0 | 0% | 75.82 | 1011.6 | 0.94 | ||||||
| 18 | 14:56 | SW 7 | 11.27 | Thunderstorm | FEW045 BKN095 BKN120 | 32.2 | 23.3 | 59% | 37 | 75.77 | 1011.1 | ||||||
| 18 | 13:56 | S 11 | 8.05 | Fair with Haze | CLR | 34.4 | 25 | 34.4 | 23.3 | 58% | 42 | 75.82 | 1011.6 | ||||
| 18 | 12:56 | Vrbl 9 | 8.05 | Mostly Cloudy with Haze | BKN070 | 31.1 | 24.4 | 68% | 37 | 75.95 | 1013.5 | ||||||
| 18 | 11:56 | S 7 | 6.44 | Fair with Haze | CLR | 29.4 | 24.4 | 75% | 35 | 76.02 | 1014.4 | ||||||
| 18 | 10:56 | S 9 | 6.44 | Fair with Haze | CLR | 27.8 | 24.4 | 82% | 32 | 76.1 | 1015.1 | ||||||
| 18 | 09:56 | S 11 | 6.44 | Partly Cloudy with Haze | SCT014 | 26.7 | 23.9 | 85% | 29 | 76.12 | 1015.7 | ||||||
| 18 | 08:56 | SE 11 | 4.83 | Fog/Mist | OVC014 | 25 | 23.9 | 94% | 26 | 76.15 | 1016.0 | ||||||
| 18 | 07:56 | SE 17 | 4.83 | Fog/Mist | BKN032 OVC038 | 23.3 | 23.3 | 24.4 | 22.2 | 100% | 76.12 | 1015.6 | 0.08 | ||||
| 18 | 06:56 | Vrbl 6 | 3.22 | Fog/Mist | BKN029 OVC037 | 23 | 0 | 0% | 76.17 | 1016.2 | |||||||
| 18 | 05:56 | Vrbl 6 | 3.22 | Fog/Mist | BKN020 OVC028 | 23 | 0 | 0% | 76.2 | 1016.8 | |||||||
| 18 | 04:56 | Calm | 6.44 | Thunderstorm in Vicinity Light Rain Fog/Mist | BKN038 BKN048 OVC095 | 22.8 | 22.8 | 100% | 76.25 | 1017.3 | 0.08 | 0.08 | |||||
| 18 | 03:56 | S 6 | 8.05 | Mostly Cloudy with Haze | BKN044 BKN070 | 24.4 | 20.6 | 79% | 25 | 76.25 | 1017.3 | ||||||
| 18 | 02:56 | Calm | 8.05 | Fog/Mist | OVC055 | 22.8 | 21.1 | 90% | 76.3 | 1018.2 | |||||||
| 18 | 01:56 | Calm | 8.05 | Overcast with Haze | BKN041 OVC050 | 22.8 | 20 | 27.2 | 21.7 | 84% | 76.3 | 1018.1 | |||||
| 18 | 00:56 | Calm | 8.05 | Fog/Mist | BKN045 OVC060 | 22.2 | 21.7 | 97% | 76.35 | 1018.6 | |||||||
| 17 | 23:56 | Calm | 8.05 | Fog/Mist | OVC045 | 22.8 | 20.6 | 87% | 76.35 | 1018.9 | |||||||
| 17 | 22:56 | Calm | 8.05 | Overcast with Haze | OVC047 | 23.3 | 20.6 | 85% | 76.38 | 1018.9 | |||||||
| 17 | 21:56 | Calm | 8.05 | Overcast with Haze | OVC049 | 23.3 | 20.6 | 85% | 76.38 | 1019.0 | |||||||
| 17 | 20:56 | Calm | 6.44 | Overcast with Haze | OVC049 | 24.4 | 19.4 | 74% | 25 | 76.35 | 1018.7 | ||||||
| 17 | 19:56 | Calm | 6.44 | Overcast with Haze | BKN036 OVC047 | 27.2 | 18.3 | 30.6 | 26.7 | 58% | 28 | 76.33 | 1018.3 | ||||
| 17 | 18:56 | Calm | 6.44 | Overcast with Haze | OVC035 | 28.3 | 19.4 | 59% | 30 | 76.33 | 1018.3 | ||||||
| 17 | 17:56 | Calm | 6.44 | Overcast with Haze | OVC032 | 29.4 | 19.4 | 55% | 31 | 76.33 | 1018.4 | ||||||
| 17 | 16:56 | Vrbl 6 | 4.83 | Overcast with Haze | OVC032 | 30.6 | 19.4 | 51% | 32 | 76.38 | 1018.9 | ||||||
| 17 | 15:56 | Calm | 4.83 | Overcast with Haze | OVC030 | 30 | 19.4 | 53% | 32 | 76.4 | 1019.3 | ||||||
| 17 | 14:56 | Calm | 4.83 | Overcast with Haze | OVC028 | 30 | 20 | 55% | 32 | 76.45 | 1019.9 | ||||||
| 17 | 13:56 | Calm | 4.83 | Overcast with Haze | BKN025 OVC030 | 28.9 | 18.9 | 30.6 | 22.2 | 55% | 30 | 76.45 | 1020.1 | ||||
| 17 | 12:56 | Vrbl 6 | 4.83 | Overcast with Haze | BKN026 OVC031 | 30 | 19.4 | 53% | 32 | 76.48 | 1020.5 | ||||||
| 17 | 11:56 | Calm | 4.83 | Overcast with Haze | BKN027 OVC031 | 30 | 18.3 | 49% | 31 | 76.48 | 1020.5 | ||||||
| 17 | 10:56 | Calm | 4.83 | Overcast with Haze | OVC029 | 28.3 | 15.6 | 46% | 28 | 76.48 | 1020.3 | ||||||
| 17 | 09:56 | Calm | 4.83 | Overcast with Haze | BKN030 BKN035 OVC044 | 27.2 | 16.7 | 53% | 28 | 76.45 | 1020.2 | ||||||
| 17 | 08:56 | Calm | 4.02 | Overcast with Haze | FEW027 BKN033 OVC043 | 25 | 16.1 | 58% | 26 | 76.48 | 1020.5 | ||||||
| 17 | 07:56 | Calm | 2.41 | Overcast with Haze | SCT033 OVC041 | 22.2 | 17.8 | 23.3 | 18.9 | 76% | 76.45 | 1020.1 | |||||
| 17 | 06:56 | Calm | 2.41 | Fog/Mist | SCT035 OVC043 | 18.9 | 17.2 | 90% | 76.43 | 1019.7 | |||||||
| 17 | 05:56 | Calm | 2.01 | Fog/Mist | OVC042 | 18.9 | 17.2 | 90% | 76.38 | 1019.2 | |||||||
| 17 | 04:56 | Calm | 4.02 | Overcast with Haze | OVC040 | 21.1 | 13.9 | 64% | 76.35 | 1018.8 | |||||||
| 17 | 03:56 | Calm | 4.02 | Overcast with Haze | OVC036 | 23.3 | 13.9 | 56% | 76.33 | 1018.2 | |||||||
| 17 | 02:56 | Calm | 4.02 | Overcast with Haze | OVC045 | 21.7 | 16.7 | 73% | 76.3 | 1018.2 | |||||||
| 17 | 01:56 | Calm | 4.02 | Overcast with Haze | OVC033 | 22.8 | 15.6 | 31.1 | 22.8 | 64% | 76.28 | 1017.8 | |||||
| 17 | 00:56 | Calm | 4.02 | Overcast with Haze | OVC032 | 24.4 | 16.1 | 60% | 26 | 76.28 | 1017.6 | ||||||
| 16 | 23:56 | Calm | 4.83 | Overcast with Haze | BKN032 OVC043 | 26.1 | 19.4 | 67% | 27 | 76.25 | 1017.1 | ||||||
| 16 | 22:56 | Calm | 9.66 | Overcast with Haze | OVC039 | 26.1 | 22.2 | 79% | 28 | 76.2 | 1016.5 | ||||||
| 16 | 21:56 | Calm | 14.48 | Overcast | OVC039 | 27.8 | 23.3 | 77% | 31 | 76.12 | 1015.7 | ||||||
| 16 | 20:56 | Calm | 16.09 | Mostly Cloudy | BKN060 | 29.4 | 24.4 | 75% | 35 | 76.07 | 1014.9 | ||||||
| 16 | 19:56 | Calm | 16.09 | A Few Clouds | FEW070 | 31.1 | 24.4 | 35 | 31.1 | 68% | 37 | 76.05 | 1014.5 | ||||
| 16 | 18:56 | W 11 | 16.09 | A Few Clouds | FEW070 | 32.8 | 23.9 | 59% | 39 | 76.02 | 1014.1 | ||||||
| 16 | 17:56 | W 15 | 16.09 | Fair | CLR | 33.9 | 23.9 | 56% | 40 | 76 | 1013.8 | ||||||
| 16 | 16:56 | W 13 | 14.48 | Fair | CLR | 34.4 | 23.3 | 52% | 40 | 76.02 | 1014.1 | ||||||
| 16 | 15:56 | W 15 | 8.05 | Fair with Haze | CLR | 34.4 | 23.3 | 52% | 40 | 76.05 | 1014.4 | ||||||
| 16 | 14:56 | NW 13 | 8.05 | Fair with Haze | CLR | 33.9 | 24.4 | 58% | 41 | 76.05 | 1014.6 | ||||||
| 16 | 13:56 | W 9 | 8.05 | A Few Clouds with Haze | FEW037 | 33.3 | 25 | 33.3 | 26.7 | 62% | 41 | 76.1 | 1015.4 | ||||
| 16 | 12:56 | W 15 | 14.48 | Fair | CLR | 32.2 | 25 | 66% | 39 | 76.15 | 1015.9 | ||||||
| 16 | 11:56 | Vrbl 7 | 16.09 | Fair | CLR | 31.7 | 25 | 68% | 39 | 76.17 | 1016.2 | ||||||
| 16 | 10:56 | W 13 | 16.09 | Fair | CLR | 30 | 24.4 | 72% | 36 | 76.17 | 1016.4 | ||||||
| 16 | 09:56 | NW 13 | 16.09 | Fair | CLR | 28.9 | 24.4 | 77% | 34 | 76.17 | 1016.4 | ||||||
| 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) | |||||||||||||||