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. | ||||||||||||||||
| 06 | 03:56 | Vrbl 7 | 16.09 | Fair | CLR | 24.4 | 24.4 | 100% | 24 | 76.5 | 1020.8 | ||||||
| 06 | 02:56 | S 11 | 16.09 | Fair | CLR | 25 | 25 | 100% | 25 | 76.48 | 1020.4 | ||||||
| 06 | 01:56 | S 7 | 16.09 | A Few Clouds | FEW035 | 25.6 | 25 | 26.7 | 24.4 | 97% | 27 | 76.53 | 1020.9 | ||||
| 06 | 00:56 | S 7 | 16.09 | Overcast | SCT040 OVC047 | 26.1 | 24.4 | 90% | 28 | 76.56 | 1021.5 | ||||||
| 05 | 23:56 | Calm | 16.09 | Fair | CLR | 25.6 | 23.9 | 90% | 27 | 76.53 | 1021.2 | ||||||
| 05 | 22:56 | Calm | 16.09 | Fair | CLR | 25.6 | 24.4 | 93% | 27 | 76.53 | 1021.1 | ||||||
| 05 | 21:56 | Vrbl 6 | 16.09 | Fair | CLR | 26.7 | 24.4 | 87% | 30 | 76.5 | 1020.6 | ||||||
| 05 | 20:56 | SE 6 | 16.09 | Mostly Cloudy | BKN047 | 26 | 0 | 0% | 76.48 | 1020.3 | |||||||
| 05 | 19:56 | Calm | 16.09 | Mostly Cloudy | SCT034 BKN065 | 26.7 | 25.6 | 30 | 25.6 | 94% | 30 | 76.45 | 1020.0 | 0.15 | |||
| 05 | 18:56 | Calm | 16.09 | Fair | CLR | 28.9 | 24.4 | 77% | 34 | 76.4 | 1019.5 | ||||||
| 05 | 17:56 | Vrbl 6 | 16.09 | Fair | CLR | 29.4 | 24.4 | 75% | 35 | 76.43 | 1019.6 | ||||||
| 05 | 16:56 | Calm | 16.09 | Overcast | FEW017 BKN039 OVC070 | 27.2 | 26.1 | 94% | 32 | 76.43 | 1019.9 | 0.15 | |||||
| 05 | 15:56 | SW 7 | 16.09 | Overcast | FEW015 BKN034 OVC050 | 28.3 | 26.1 | 88% | 34 | 76.45 | 1020.1 | 0.03 | |||||
| 05 | 14:56 | S 11 | 12.87 | Rain | FEW012 BKN024 OVC036 | 26.1 | 26.1 | 100% | 29 | 76.5 | 1020.7 | 0.13 | |||||
| 05 | 13:56 | NW 7 | 16.09 | Overcast | FEW011 BKN047 OVC090 | 26.1 | 26.1 | 29.4 | 22.8 | 100% | 29 | 76.5 | 1020.8 | 0.13 | 0.48 | ||
| 05 | 10:56 | Calm | 9.66 | Light Rain | OVC007 | 24 | 0 | 0% | 76.56 | 1021.4 | 0.23 | 0.33 | |||||
| 05 | 09:56 | SE 7 | 8.05 | Light Rain | OVC008 | 24 | 0 | 0% | 76.53 | 1021.3 | 0.1 | ||||||
| 05 | 08:56 | Vrbl 6 | 16.09 | Light Rain | OVC005 | 24 | 0 | 0% | 76.56 | 1021.3 | |||||||
| 05 | 07:56 | Calm | 14.48 | Light Rain | OVC005 | 23 | 0 | 23.3 | 22.2 | 0% | 76.53 | 1021.2 | 0.2 | ||||
| 05 | 06:56 | Calm | 6.44 | Light Rain | BKN005 BKN028 OVC055 | 23 | 0 | 0% | 76.5 | 1020.9 | 0.41 | ||||||
| 05 | 05:56 | Vrbl 6 | 6.44 | Rain | OVC005 | 22 | 0 | 0% | 76.5 | 1020.6 | 0.13 | ||||||
| 05 | 04:56 | Calm | 16.09 | Overcast | OVC007 | 22 | 0 | 0% | 76.48 | 1020.5 | 0.03 | ||||||
| 05 | 03:56 | Calm | 16.09 | Light Rain | SCT009 BKN019 OVC060 | 22 | 0 | 0% | 76.48 | 1020.5 | |||||||
| 05 | 02:56 | Calm | 16.09 | Overcast | BKN009 OVC046 | 23.3 | 22.2 | 94% | 76.5 | 1020.7 | |||||||
| 05 | 01:56 | Vrbl 6 | 16.09 | Overcast | OVC050 | 23.3 | 22.2 | 26.1 | 22.8 | 94% | 76.5 | 1020.8 | |||||
| 05 | 00:56 | Calm | 16.09 | Mostly Cloudy | FEW046 BKN060 | 22.8 | 21.7 | 94% | 76.53 | 1020.9 | |||||||
| 04 | 23:56 | Calm | 16.09 | Mostly Cloudy | BKN046 | 23.9 | 22.2 | 90% | 23 | 76.53 | 1021.1 | ||||||
| 04 | 22:56 | Calm | 16.09 | Fair | CLR | 23.9 | 22.8 | 94% | 23 | 76.5 | 1020.9 | ||||||
| 04 | 21:56 | Calm | 16.09 | Fair | CLR | 24.4 | 22.2 | 88% | 25 | 76.5 | 1020.8 | ||||||
| 04 | 20:56 | Calm | 16.09 | Partly Cloudy | SCT055 | 25 | 21.7 | 82% | 26 | 76.48 | 1020.5 | ||||||
| 04 | 19:56 | Calm | 16.09 | Fair | CLR | 26.1 | 21.1 | 30.6 | 26.1 | 74% | 28 | 76.48 | 1020.7 | ||||
| 04 | 18:56 | Vrbl 7 | 16.09 | Fair | CLR | 28.3 | 20.6 | 63% | 30 | 76.45 | 1020.2 | ||||||
| 04 | 17:56 | Vrbl 7 | 16.09 | Fair | CLR | 29.4 | 19.4 | 55% | 31 | 76.48 | 1020.3 | ||||||
| 04 | 16:56 | Vrbl 6 | 11.27 | Fair | CLR | 30 | 20 | 55% | 32 | 76.45 | 1020.0 | ||||||
| 04 | 15:56 | Vrbl 6 | 16.09 | Fair | CLR | 30 | 19.4 | 53% | 32 | 76.45 | 1019.9 | ||||||
| 04 | 14:56 | Vrbl 6 | 16.09 | Fair | CLR | 30 | 19.4 | 53% | 32 | 76.45 | 1020.1 | ||||||
| 04 | 13:56 | Vrbl 6 | 16.09 | Fair | CLR | 29.4 | 19.4 | 29.4 | 20.6 | 55% | 31 | 76.5 | 1020.8 | ||||
| 04 | 12:56 | Vrbl 6 | 16.09 | Fair | CLR | 28.3 | 18.3 | 55% | 29 | 76.53 | 1021.2 | ||||||
| 04 | 11:56 | Vrbl 6 | 16.09 | Fair | CLR | 27.8 | 18.3 | 56% | 29 | 76.56 | 1021.3 | ||||||
| 04 | 10:56 | Calm | 16.09 | Fair | CLR | 26.7 | 18.9 | 62% | 28 | 76.5 | 1020.9 | ||||||
| 04 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 23.9 | 17.8 | 69% | 25 | 76.5 | 1020.8 | ||||||
| 04 | 08:56 | Vrbl 6 | 16.09 | Fair | CLR | 22.8 | 17.2 | 71% | 76.48 | 1020.5 | |||||||
| 04 | 07:56 | Vrbl 6 | 16.09 | Fair | CLR | 20.6 | 18.3 | 22.2 | 19.4 | 87% | 76.45 | 1020.2 | |||||
| 04 | 06:56 | Calm | 16.09 | Fair | CLR | 20.6 | 17.8 | 84% | 76.43 | 1019.8 | |||||||
| 04 | 05:56 | NE 6 | 16.09 | Fair | CLR | 20 | 18.3 | 90% | 76.38 | 1019.2 | |||||||
| 04 | 04:56 | Calm | 16.09 | Fair | CLR | 20.6 | 17.8 | 84% | 76.38 | 1018.9 | |||||||
| 04 | 03:56 | Calm | 16.09 | Fair | CLR | 21.1 | 17.8 | 82% | 76.35 | 1018.6 | |||||||
| 04 | 02:56 | Calm | 16.09 | Fair | CLR | 21.7 | 17.8 | 79% | 76.3 | 1018.1 | |||||||
| 04 | 01:56 | Vrbl 7 | 16.09 | Fair | CLR | 21.7 | 17.8 | 26.1 | 20.6 | 79% | 76.28 | 1017.8 | |||||
| 04 | 00:56 | Calm | 16.09 | Fair | CLR | 21.1 | 18.9 | 87% | 76.25 | 1017.4 | |||||||
| 03 | 23:56 | Calm | 16.09 | Fair | CLR | 21.1 | 18.9 | 87% | 76.2 | 1016.8 | |||||||
| 03 | 22:56 | Calm | 16.09 | Fair | CLR | 22.2 | 17.8 | 76% | 76.2 | 1016.6 | |||||||
| 03 | 21:56 | Calm | 16.09 | Fair | CLR | 22.2 | 18.3 | 79% | 76.15 | 1016.0 | |||||||
| 03 | 20:56 | Calm | 16.09 | Fair | CLR | 23.3 | 20 | 82% | 76.07 | 1015.1 | |||||||
| 03 | 19:56 | Calm | 16.09 | Fair | CLR | 26.1 | 19.4 | 31.1 | 26.1 | 67% | 27 | 76.02 | 1014.2 | ||||
| 03 | 18:56 | Vrbl 6 | 16.09 | Fair | CLR | 28.9 | 18.9 | 55% | 30 | 75.97 | 1013.6 | ||||||
| 03 | 17:56 | NW 6 | 16.09 | Fair | CLR | 30 | 18.3 | 49% | 31 | 75.92 | 1012.9 | ||||||
| 03 | 16:56 | Vrbl 9 | 16.09 | Partly Cloudy | SCT048 | 30.6 | 19.4 | 51% | 32 | 75.87 | 1012.3 | ||||||
| 03 | 15:56 | NW 13 | 16.09 | Fair | CLR | 30.6 | 21.1 | 57% | 33 | 75.84 | 1011.8 | ||||||
| 03 | 14:56 | NW 15 | 16.09 | A Few Clouds | FEW044 | 30 | 20.6 | 57% | 32 | 75.84 | 1011.9 | ||||||
| 03 | 13:56 | NW 22 G 33 | 16.09 | Partly Cloudy | FEW036 SCT090 | 28.9 | 21.1 | 29.4 | 23.9 | 63% | 31 | 75.82 | 1011.5 | ||||
| 03 | 12:56 | NW 15 | 16.09 | Overcast | BKN036 OVC047 | 28.3 | 21.1 | 65% | 31 | 75.82 | 1011.6 | ||||||
| 03 | 11:56 | W 17 | 16.09 | Mostly Cloudy | BKN029 BKN039 BKN055 | 28.3 | 22.2 | 70% | 31 | 75.82 | 1011.4 | ||||||
| 03 | 10:56 | W 19 | 16.09 | Partly Cloudy | SCT027 | 27.8 | 22.8 | 74% | 31 | 75.77 | 1011.0 | ||||||
| 03 | 09:56 | W 15 | 16.09 | Mostly Cloudy | FEW017 BKN080 | 26.7 | 24.4 | 87% | 30 | 75.74 | 1010.7 | ||||||
| 03 | 08:56 | Vrbl 11 | 16.09 | Overcast | OVC006 | 25 | 0 | 0% | 75.74 | 1010.5 | |||||||
| 03 | 07:56 | S 7 | 16.09 | Overcast | OVC006 | 24 | 0 | 23.9 | 23.3 | 0% | 75.72 | 1010.3 | |||||
| 03 | 06:56 | Calm | 14.48 | Overcast | OVC006 | 24 | 0 | 0% | 75.69 | 1010.0 | |||||||
| 03 | 05:56 | SW 7 | 16.09 | Overcast | OVC006 | 23 | 0 | 0% | 75.64 | 1009.3 | |||||||
| 03 | 04:56 | Vrbl 9 | 16.09 | Overcast | OVC006 | 23 | 0 | 0% | 75.62 | 1008.9 | |||||||
| 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) | |||||||||||||||