Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 14 | 13:56 | W 5 | 6.00 | Fair with Haze | CLR | 88 | 69.1 | 91 | 73 | 54% | 92 | 30.16 | 1022.0 | ||||
| 14 | 12:56 | SW 5 | 4.00 | Fair with Haze | CLR | 89.1 | 69.1 | 52% | 94 | 30.18 | 1022.7 | ||||||
| 14 | 11:56 | Vrbl 3 | 5.00 | Fair with Haze | CLR | 84.9 | 70 | 61% | 89 | 30.19 | 1023.3 | ||||||
| 14 | 10:56 | SW 5 | 10.00 | Fair | CLR | 82.9 | 69.1 | 63% | 87 | 30.19 | 1023.2 | ||||||
| 14 | 09:56 | W 8 | 10.00 | Fair | CLR | 80.1 | 69.1 | 69% | 83 | 30.2 | 1023.4 | ||||||
| 14 | 08:56 | W 6 | 10.00 | Fair | CLR | 77 | 69.1 | 77% | 79 | 30.19 | 1023.3 | ||||||
| 14 | 07:56 | Vrbl 6 | 10.00 | Fair | CLR | 73 | 69.1 | 73 | 64 | 87% | 30.19 | 1023.2 | |||||
| 14 | 06:56 | Calm | 10.00 | Fair | CLR | 64.4 | 0 | 0% | 30.19 | 1023.5 | |||||||
| 14 | 05:56 | Calm | 10.00 | Fair | CLR | 64.4 | 0 | 0% | 30.19 | 1023.3 | |||||||
| 14 | 04:56 | Calm | 10.00 | Fair | CLR | 66.2 | 0 | 0% | 30.18 | 1023.0 | |||||||
| 14 | 03:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 30.19 | 1023.1 | |||||||
| 14 | 02:56 | Calm | 10.00 | Fair | CLR | 70 | 66.9 | 90% | 30.18 | 1022.9 | |||||||
| 14 | 01:56 | Calm | 10.00 | Fair | CLR | 68 | 66 | 80.1 | 64.9 | 93% | 30.2 | 1023.4 | |||||
| 14 | 00:56 | Calm | 10.00 | Fair | CLR | 66.9 | 64 | 91% | 30.21 | 1023.7 | |||||||
| 13 | 23:56 | Calm | 10.00 | Fair | CLR | 66.9 | 64.9 | 93% | 30.22 | 1024.2 | |||||||
| 13 | 22:56 | Calm | 10.00 | Fair | CLR | 70 | 59 | 68% | 30.22 | 1024.3 | |||||||
| 13 | 21:56 | SE 3 | 10.00 | Fair | CLR | 73 | 60.1 | 64% | 30.21 | 1023.8 | |||||||
| 13 | 20:56 | SE 5 | 10.00 | Fair | CLR | 75 | 61 | 62% | 77 | 30.2 | 1023.5 | ||||||
| 13 | 19:56 | Vrbl 3 | 10.00 | Fair | CLR | 80.1 | 61 | 88 | 80.1 | 52% | 81 | 30.2 | 1023.7 | ||||
| 13 | 18:56 | Calm | 10.00 | Fair | CLR | 82 | 62.1 | 51% | 83 | 30.19 | 1023.1 | ||||||
| 13 | 17:56 | Vrbl 5 | 10.00 | Fair | CLR | 84.9 | 63 | 48% | 86 | 30.18 | 1023.0 | ||||||
| 13 | 16:56 | SE 7 | 10.00 | Fair | CLR | 86 | 60.1 | 42% | 86 | 30.18 | 1023.0 | ||||||
| 13 | 15:56 | Calm | 10.00 | Fair | CLR | 87.1 | 57.9 | 37% | 86 | 30.2 | 1023.5 | ||||||
| 13 | 14:56 | SE 7 | 10.00 | Fair | CLR | 84.9 | 57.9 | 40% | 84 | 30.21 | 1023.9 | ||||||
| 13 | 13:56 | SE 9 | 10.00 | Fair | CLR | 84 | 61 | 84 | 70 | 46% | 84 | 30.22 | 1024.3 | ||||
| 13 | 12:56 | SE 9 | 10.00 | Fair | CLR | 82.9 | 61 | 48% | 83 | 30.25 | 1025.1 | ||||||
| 13 | 11:56 | SE 10 | 10.00 | Fair | CLR | 81 | 62.1 | 53% | 82 | 30.26 | 1025.7 | ||||||
| 13 | 10:56 | SE 9 | 10.00 | Fair | CLR | 80.1 | 62.1 | 54% | 81 | 30.27 | 1025.9 | ||||||
| 13 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 78.1 | 66 | 67% | 80 | 30.27 | 1025.8 | ||||||
| 13 | 08:56 | SE 5 | 10.00 | Fair | CLR | 73.9 | 66.9 | 79% | 30.27 | 1025.8 | |||||||
| 13 | 07:56 | Calm | 10.00 | Fair | CLR | 71.1 | 66.9 | 71.1 | 62.1 | 87% | 30.26 | 1025.5 | |||||
| 13 | 06:56 | Calm | 10.00 | Fair | CLR | 64.9 | 64.9 | 100% | 30.24 | 1025.1 | |||||||
| 13 | 05:56 | Calm | 10.00 | Fair | CLR | 62.6 | 0 | 0% | 30.22 | 1024.4 | |||||||
| 13 | 04:56 | Calm | 10.00 | Fair | CLR | 62.6 | 0 | 0% | 30.21 | 1024.2 | |||||||
| 13 | 03:56 | Calm | 10.00 | Fair | CLR | 63 | 63 | 100% | 30.21 | 1024.0 | |||||||
| 13 | 02:56 | Calm | 10.00 | Fair | CLR | 64 | 64 | 100% | 30.22 | 1024.2 | |||||||
| 13 | 01:56 | Calm | 10.00 | Fair | CLR | 64.9 | 64 | 77 | 64.9 | 97% | 30.23 | 1024.7 | |||||
| 13 | 00:56 | Calm | 10.00 | Fair | CLR | 66.9 | 63 | 87% | 30.23 | 1024.5 | |||||||
| 12 | 23:56 | Calm | 10.00 | Mostly Cloudy | BKN100 | 69.1 | 63 | 81% | 30.22 | 1024.3 | |||||||
| 12 | 22:56 | SE 3 | 10.00 | Overcast | OVC120 | 72 | 61 | 68% | 30.22 | 1024.3 | |||||||
| 12 | 21:56 | SE 7 | 10.00 | Overcast | OVC100 | 75 | 60.1 | 60% | 77 | 30.21 | 1023.9 | ||||||
| 12 | 20:56 | SE 8 | 10.00 | Overcast | OVC110 | 75.9 | 61 | 60% | 78 | 30.19 | 1023.1 | ||||||
| 12 | 19:56 | SE 6 | 10.00 | Mostly Cloudy | BKN120 | 78.1 | 64 | 84.9 | 78.1 | 62% | 80 | 30.19 | 1023.3 | ||||
| 12 | 18:56 | SE 8 | 10.00 | Overcast | BKN047 OVC055 | 79 | 64.9 | 62% | 81 | 30.18 | 1022.8 | ||||||
| 12 | 17:56 | Vrbl 6 | 10.00 | Partly Cloudy | SCT047 | 81 | 69.1 | 67% | 84 | 30.17 | 1022.4 | ||||||
| 12 | 16:56 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN045 BKN055 | 80.1 | 72 | 76% | 84 | 30.16 | 1022.2 | ||||||
| 12 | 15:56 | Vrbl 7 | 6.00 | Partly Cloudy with Haze | FEW031 SCT040 | 82.9 | 70 | 65% | 87 | 30.16 | 1022.0 | ||||||
| 12 | 14:56 | Vrbl 5 | 10.00 | Partly Cloudy | FEW027 SCT110 | 81 | 73 | 77% | 86 | 30.17 | 1022.4 | ||||||
| 12 | 13:56 | SE 7 | 10.00 | Partly Cloudy | FEW026 SCT110 | 82.9 | 72 | 84 | 75 | 70% | 88 | 30.17 | 1022.4 | ||||
| 12 | 12:56 | Vrbl 3 | 10.00 | Mostly Cloudy | SCT024 BKN032 | 82 | 72 | 72% | 87 | 30.18 | 1022.9 | ||||||
| 12 | 11:56 | Vrbl 6 | 10.00 | Partly Cloudy | FEW018 SCT031 | 81 | 72 | 74% | 85 | 30.19 | 1023.2 | ||||||
| 12 | 10:56 | Calm | 10.00 | Overcast | SCT016 BKN024 OVC031 | 77 | 73 | 88% | 78 | 30.18 | 1022.9 | ||||||
| 12 | 09:56 | Vrbl 3 | 10.00 | Overcast | OVC020 | 75 | 73 | 94% | 73 | 30.18 | 1022.8 | ||||||
| 12 | 08:56 | Vrbl 5 | 10.00 | Overcast | BKN016 OVC022 | 75 | 73 | 94% | 73 | 30.16 | 1022.2 | ||||||
| 12 | 07:56 | Vrbl 5 | 10.00 | Overcast | SCT012 OVC110 | 75 | 73.9 | 75 | 71.1 | 96% | 73 | 30.14 | 1021.4 | ||||
| 12 | 06:56 | Calm | 10.00 | Mostly Cloudy | FEW010 BKN015 | 71.6 | 0 | 0% | 30.12 | 1020.8 | |||||||
| 12 | 05:56 | Calm | 10.00 | Overcast | BKN018 OVC027 | 71.6 | 0 | 0% | 30.1 | 1020.0 | |||||||
| 12 | 04:56 | Calm | 10.00 | Overcast | OVC014 | 71.6 | 0 | 0% | 30.09 | 1019.5 | |||||||
| 12 | 03:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW012 | 71.6 | 0 | 0% | 30.07 | 1019.0 | |||||||
| 12 | 02:56 | Calm | 10.00 | A Few Clouds | FEW015 | 71.6 | 0 | 0% | 30.06 | 1018.7 | |||||||
| 12 | 01:56 | Calm | 10.00 | Overcast | OVC021 | 73.4 | 0 | 80.1 | 73 | 0% | 30.06 | 1018.6 | |||||
| 12 | 00:56 | Calm | 10.00 | Overcast | BKN013 OVC019 | 73 | 73 | 100% | 30.06 | 1018.7 | |||||||
| 11 | 23:56 | Calm | 10.00 | Mostly Cloudy | BKN017 | 73.9 | 73.9 | 100% | 30.05 | 1018.4 | |||||||
| 11 | 22:56 | Calm | 10.00 | Fair | CLR | 75 | 73.9 | 96% | 73 | 30.04 | 1017.8 | ||||||
| 11 | 21:56 | Calm | 10.00 | Partly Cloudy | SCT110 | 75.9 | 72 | 88% | 76 | 30.01 | 1017.1 | ||||||
| 11 | 20:56 | Vrbl 3 | 10.00 | Thunderstorm in Vicinity | FEW037 SCT065 BKN110 | 78.1 | 71.1 | 79% | 80 | 30 | 1016.6 | ||||||
| 11 | 19:56 | Calm | 10.00 | Fair | CLR | 80.1 | 77 | 87.1 | 80.1 | 90% | 86 | 29.98 | 1016.0 | ||||
| 11 | 18:56 | Calm | 10.00 | Partly Cloudy | SCT037 | 82 | 75.9 | 82% | 89 | 29.96 | 1015.4 | ||||||
| 11 | 17:56 | Calm | 10.00 | Fair | CLR | 84 | 75 | 74% | 92 | 29.95 | 1015.0 | ||||||
| 11 | 16:56 | NW 7 | 10.00 | A Few Clouds | FEW036 | 86 | 72 | 63% | 92 | 29.94 | 1014.7 | ||||||
| 11 | 15:56 | W 6 | 8.00 | Mostly Cloudy | BKN035 | 86 | 73 | 65% | 93 | 29.95 | 1014.7 | ||||||
| 11 | 14:56 | W 8 | 7.00 | Partly Cloudy | SCT031 | 84.9 | 73.9 | 70% | 92 | 29.96 | 1015.3 | ||||||
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||