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. | ||||||||||||||||
| 29 | 12:56 | Calm | 16.09 | Fair | CLR | 25.6 | 13.3 | 47% | 26 | 76.94 | 1026.6 | ||||||
| 29 | 11:56 | Calm | 16.09 | Fair | CLR | 24.4 | 13.9 | 52% | 26 | 76.94 | 1026.9 | ||||||
| 29 | 10:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN047 | 23.3 | 13.3 | 54% | 76.94 | 1026.7 | |||||||
| 29 | 09:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW047 | 21.1 | 13.3 | 61% | 76.91 | 1026.3 | |||||||
| 29 | 08:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW044 | 19.4 | 13.3 | 68% | 76.86 | 1025.9 | |||||||
| 29 | 07:56 | Calm | 16.09 | Mostly Cloudy | BKN043 | 17.8 | 16.1 | 19.4 | 16.1 | 90% | 76.86 | 1025.7 | |||||
| 29 | 06:56 | Calm | 16.09 | Fair | CLR | 16.7 | 16.7 | 100% | 76.84 | 1025.3 | |||||||
| 29 | 05:56 | Calm | 16.09 | Fair | CLR | 17.2 | 17.2 | 100% | 76.76 | 1024.3 | |||||||
| 29 | 04:56 | Calm | 16.09 | Fair | CLR | 17.8 | 17.8 | 100% | 76.71 | 1023.7 | |||||||
| 29 | 03:56 | Vrbl 6 | 16.09 | Fair | CLR | 18.9 | 17.8 | 93% | 76.66 | 1022.9 | |||||||
| 29 | 02:56 | Calm | 16.09 | Fair | CLR | 19.4 | 18.9 | 97% | 76.61 | 1022.1 | |||||||
| 29 | 01:56 | Calm | 16.09 | Fair | CLR | 18.9 | 18.9 | 25 | 18.9 | 100% | 76.58 | 1021.8 | |||||
| 29 | 00:56 | Calm | 16.09 | Fair | CLR | 19 | 0 | 0% | 76.58 | 1021.8 | |||||||
| 28 | 23:56 | Calm | 16.09 | Fair | CLR | 19 | 0 | 0% | 76.53 | 1021.3 | |||||||
| 28 | 22:56 | Calm | 16.09 | Fair | CLR | 20 | 0 | 0% | 76.53 | 1021.1 | |||||||
| 28 | 21:56 | Calm | 16.09 | Fair | CLR | 20.6 | 20.6 | 100% | 76.5 | 1020.8 | |||||||
| 28 | 20:56 | Calm | 16.09 | Fair | CLR | 22.2 | 21.7 | 97% | 76.45 | 1020.2 | |||||||
| 28 | 19:56 | Calm | 16.09 | Partly Cloudy | SCT085 | 25 | 20 | 30 | 25 | 74% | 26 | 76.38 | 1019.3 | ||||
| 28 | 18:56 | Calm | 16.09 | Fair | CLR | 26.7 | 20 | 67% | 28 | 76.35 | 1018.9 | ||||||
| 28 | 17:56 | Vrbl 6 | 16.09 | Fair | CLR | 28.3 | 20 | 61% | 30 | 76.35 | 1018.8 | ||||||
| 28 | 16:56 | Calm | 16.09 | A Few Clouds | FEW065 | 27.2 | 20.6 | 67% | 29 | 76.33 | 1018.5 | ||||||
| 28 | 15:56 | Vrbl 7 | 16.09 | Mostly Cloudy | SCT047 BKN055 BKN100 | 27.8 | 20.6 | 65% | 30 | 76.33 | 1018.3 | ||||||
| 28 | 14:56 | Vrbl 9 | 16.09 | Partly Cloudy | FEW043 SCT050 | 30 | 20.6 | 57% | 32 | 76.3 | 1018.2 | ||||||
| 28 | 13:56 | Vrbl 6 | 12.87 | Partly Cloudy | SCT034 | 29.4 | 21.7 | 29.4 | 21.1 | 63% | 32 | 76.35 | 1018.6 | ||||
| 28 | 12:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW120 | 27.8 | 21.7 | 69% | 30 | 76.35 | 1018.8 | ||||||
| 28 | 11:56 | Vrbl 7 | 16.09 | A Few Clouds | FEW120 | 28.3 | 21.7 | 67% | 31 | 76.38 | 1019.1 | ||||||
| 28 | 10:56 | NW 6 | 16.09 | Fair | CLR | 26.1 | 22.2 | 79% | 28 | 76.38 | 1019.3 | ||||||
| 28 | 09:56 | NW 9 | 16.09 | Partly Cloudy | SCT100 | 24.4 | 22.8 | 91% | 24 | 76.35 | 1018.7 | ||||||
| 28 | 08:56 | NW 9 | 16.09 | Mostly Cloudy | BKN009 | 21.7 | 21.7 | 100% | 76.3 | 1018.2 | |||||||
| 28 | 07:56 | W 6 | 16.09 | Overcast | SCT009 BKN013 OVC090 | 21 | 0 | 21.1 | 20 | 0% | 76.25 | 1017.6 | |||||
| 28 | 06:56 | Calm | 14.48 | Mostly Cloudy | FEW007 BKN090 | 20 | 0 | 0% | 76.2 | 1016.6 | |||||||
| 28 | 05:56 | Calm | 14.48 | Fair | CLR | 20 | 0 | 0% | 76.15 | 1016.1 | |||||||
| 28 | 04:56 | NW 6 | 14.48 | Partly Cloudy | SCT016 | 21 | 0 | 0% | 76.15 | 1016.1 | |||||||
| 28 | 03:56 | Calm | 16.09 | Overcast | OVC016 | 21 | 0 | 0% | 76.15 | 1015.9 | |||||||
| 28 | 02:56 | Calm | 16.09 | Overcast | OVC018 | 20 | 0 | 0% | 76.15 | 1016.1 | |||||||
| 28 | 01:56 | Calm | 16.09 | Fair | CLR | 20 | 0 | 24.4 | 19.4 | 0% | 76.15 | 1016.1 | 1.35 | ||||
| 28 | 00:56 | Calm | 16.09 | A Few Clouds | FEW016 | 20 | 0 | 0% | 76.17 | 1016.5 | |||||||
| 27 | 23:56 | Calm | 11.27 | Fair | CLR | 20 | 0 | 0% | 76.15 | 1016.1 | |||||||
| 27 | 22:56 | Calm | 14.48 | Fair | CLR | 21 | 0 | 0% | 76.12 | 1015.9 | 1.35 | ||||||
| 27 | 21:56 | SE 15 | 16.09 | Thunderstorm in Vicinity | CLR | 21.7 | 21.7 | 100% | 76.15 | 1016.1 | |||||||
| 27 | 20:56 | Vrbl 6 | 16.09 | Thunderstorm in Vicinity Light Rain | FEW110 | 20.6 | 20 | 96% | 76.1 | 1015.7 | 1.35 | ||||||
| 27 | 19:56 | NW 19 | 16.09 | Thunderstorm Light Rain | FEW027 BKN035 BKN048 | 24.4 | 20.6 | 31.7 | 24.4 | 79% | 25 | 76.17 | 1016.3 | 0.03 | 0.03 | ||
| 27 | 18:56 | S 17 G 26 | 14.48 | Fair | CLR | 27.8 | 21.1 | 67% | 30 | 76.07 | 1014.9 | ||||||
| 27 | 17:56 | S 15 | 16.09 | A Few Clouds | FEW044 | 28.3 | 20.6 | 63% | 30 | 76.05 | 1014.6 | ||||||
| 27 | 16:56 | S 19 G 28 | 16.09 | A Few Clouds | FEW039 | 29.4 | 21.1 | 61% | 32 | 76.02 | 1014.3 | ||||||
| 27 | 15:56 | S 19 | 16.09 | Mostly Cloudy | BKN037 BKN046 BKN055 | 30 | 22.2 | 63% | 33 | 76.07 | 1015.0 | ||||||
| 27 | 14:56 | S 15 | 16.09 | Partly Cloudy | SCT037 SCT050 | 31.1 | 21.7 | 57% | 34 | 76.12 | 1015.6 | ||||||
| 27 | 13:56 | Vrbl 11 | 16.09 | Partly Cloudy | SCT033 | 30.6 | 22.2 | 30.6 | 23.3 | 61% | 34 | 76.15 | 1016.1 | ||||
| 27 | 12:56 | S 11 | 16.09 | A Few Clouds | FEW065 | 29.4 | 22.2 | 65% | 33 | 76.2 | 1016.7 | ||||||
| 27 | 11:56 | S 11 | 16.09 | Fair | CLR | 28.3 | 22.2 | 70% | 31 | 76.23 | 1017.0 | ||||||
| 27 | 10:56 | SW 6 | 16.09 | A Few Clouds | FEW055 | 25 | 22.8 | 88% | 26 | 76.28 | 1017.6 | ||||||
| 27 | 09:56 | S 6 | 16.09 | Light Rain | OVC055 | 23.9 | 22.2 | 90% | 23 | 76.25 | 1017.5 | ||||||
| 27 | 08:56 | W 11 | 16.09 | Mostly Cloudy | BKN050 BKN070 | 23.9 | 21.7 | 88% | 24 | 76.25 | 1017.4 | ||||||
| 27 | 07:56 | S 11 | 16.09 | Overcast | BKN060 OVC070 | 23.3 | 21.7 | 23.3 | 21.7 | 91% | 76.25 | 1017.4 | |||||
| 27 | 06:56 | S 7 | 16.09 | A Few Clouds | FEW100 | 22.2 | 22.2 | 100% | 76.23 | 1017.0 | |||||||
| 27 | 05:56 | Calm | 16.09 | Mostly Cloudy | FEW065 BKN100 | 22.2 | 21.7 | 97% | 76.23 | 1016.9 | |||||||
| 27 | 04:56 | S 9 | 16.09 | Overcast | BKN085 OVC110 | 22.8 | 21.1 | 90% | 76.23 | 1017.0 | |||||||
| 27 | 03:56 | SE 11 | 16.09 | Overcast | OVC095 | 22.8 | 20.6 | 87% | 76.23 | 1017.1 | |||||||
| 27 | 02:56 | S 11 | 16.09 | Overcast | OVC090 | 22.8 | 20.6 | 87% | 76.25 | 1017.4 | |||||||
| 27 | 01:56 | S 9 | 16.09 | Overcast | BKN060 OVC080 | 22.8 | 20 | 25 | 22.2 | 84% | 76.28 | 1017.8 | |||||
| 27 | 00:56 | SE 13 | 16.09 | Fair | CLR | 22.8 | 18.9 | 79% | 76.3 | 1017.8 | |||||||
| 26 | 23:56 | SE 13 | 16.09 | Fair | CLR | 23.3 | 18.3 | 74% | 76.3 | 1018.0 | |||||||
| 26 | 22:56 | SE 11 | 16.09 | Fair | CLR | 23.3 | 17.8 | 71% | 76.33 | 1018.2 | |||||||
| 26 | 21:56 | SE 9 | 16.09 | Fair | CLR | 22.8 | 17.8 | 74% | 76.33 | 1018.3 | |||||||
| 26 | 20:56 | SE 9 | 16.09 | Fair | CLR | 24.4 | 17.2 | 64% | 25 | 76.3 | 1018.1 | ||||||
| 26 | 19:56 | SE 11 | 16.09 | Fair | CLR | 25 | 16.7 | 30 | 25 | 60% | 26 | 76.25 | 1017.5 | ||||
| 26 | 18:56 | S 9 | 16.09 | Fair | CLR | 26.7 | 17.2 | 56% | 27 | 76.28 | 1017.9 | ||||||
| 26 | 17:56 | S 11 | 16.09 | Fair | CLR | 27.2 | 17.2 | 54% | 28 | 76.33 | 1018.6 | ||||||
| 26 | 16:56 | S 11 | 16.09 | Partly Cloudy | SCT050 | 28.3 | 16.7 | 49% | 29 | 76.33 | 1018.7 | ||||||
| 26 | 15:56 | S 13 | 16.09 | Mostly Cloudy | BKN060 | 28.9 | 17.2 | 49% | 29 | 76.33 | 1018.6 | ||||||
| 26 | 14:56 | S 17 G 31 | 16.09 | Mostly Cloudy | BKN060 | 28.9 | 15.6 | 44% | 29 | 76.38 | 1019.2 | ||||||
| 26 | 13:56 | SW 13 | 12.87 | A Few Clouds | FEW055 | 28.9 | 15.6 | 29.4 | 17.8 | 44% | 29 | 76.4 | 1019.7 | ||||
| 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) | |||||||||||||||