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. | ||||||||||||||||
| 29 | 02:56 | Calm | 7.00 | Fair | CLR | 66.2 | 0 | 0% | 29.65 | 1004.8 | |||||||
| 29 | 01:56 | Calm | 9.00 | Fair | CLR | 66.2 | 0 | 71.1 | 66.9 | 0% | 29.64 | 1004.6 | |||||
| 29 | 00:56 | Calm | 10.00 | Fair | CLR | 68 | 0 | 0% | 29.64 | 1004.4 | |||||||
| 28 | 23:56 | Calm | 8.00 | A Few Clouds | FEW003 | 68 | 0 | 0% | 29.64 | 1004.5 | |||||||
| 28 | 22:56 | Calm | 2.50 | Fog/Mist | FEW002 | 66.2 | 0 | 0% | 29.64 | 1004.6 | |||||||
| 28 | 21:56 | Calm | 10.00 | A Few Clouds | FEW006 | 69.8 | 0 | 0% | 29.64 | 1004.6 | |||||||
| 28 | 20:56 | Calm | 10.00 | Overcast | SCT034 BKN043 OVC049 | 69.8 | 0 | 0% | 29.63 | 1004.3 | |||||||
| 28 | 19:56 | Calm | 10.00 | Mostly Cloudy | BKN041 BKN049 | 71.6 | 0 | 88 | 68 | 0% | 29.62 | 1003.8 | 0.84 | ||||
| 28 | 18:56 | S 3 | 10.00 | Partly Cloudy | SCT070 SCT080 | 69.8 | 0 | 0% | 29.59 | 1003.0 | |||||||
| 28 | 17:56 | Vrbl 6 | 10.00 | Thunderstorm Heavy Rain | SCT008 BKN021 OVC100 | 69.8 | 0 | 0% | 29.64 | 1004.7 | 0.74 | ||||||
| 28 | 16:56 | S 3 | 10.00 | Thunderstorm in Vicinity Light Rain | FEW044 BKN070 BKN100 | 79 | 78.1 | 97% | 83 | 29.57 | 1002.0 | 0.1 | 0.1 | ||||
| 28 | 15:56 | S 12 | 10.00 | Mostly Cloudy | SCT037 SCT044 BKN055 | 84.9 | 71.1 | 63% | 90 | 29.57 | 1002.2 | ||||||
| 28 | 14:56 | S 8 | 10.00 | Mostly Cloudy | BKN035 BKN050 BKN110 | 86 | 71.1 | 61% | 92 | 29.62 | 1003.7 | ||||||
| 28 | 13:56 | Vrbl 7 | 10.00 | Mostly Cloudy | BKN029 | 82.9 | 72 | 84.9 | 75 | 70% | 88 | 29.64 | 1004.4 | ||||
| 28 | 12:56 | S 10 | 10.00 | Partly Cloudy | FEW023 SCT120 | 82.9 | 72 | 70% | 88 | 29.66 | 1005.2 | ||||||
| 28 | 11:56 | S 8 | 10.00 | Partly Cloudy | FEW050 SCT110 | 79 | 71.1 | 77% | 82 | 29.7 | 1006.4 | ||||||
| 28 | 10:56 | Vrbl 6 | 10.00 | Light Rain | FEW031 SCT070 SCT090 | 78.1 | 72 | 82% | 80 | 29.71 | 1006.7 | ||||||
| 28 | 09:56 | Vrbl 7 | 10.00 | Fair | CLR | 78.1 | 70 | 76% | 80 | 29.73 | 1007.5 | ||||||
| 28 | 08:56 | SW 8 | 10.00 | Fair | CLR | 78.1 | 70 | 76% | 80 | 29.72 | 1007.2 | ||||||
| 28 | 07:56 | S 5 | 10.00 | Mostly Cloudy | FEW050 BKN120 | 75 | 73 | 75 | 70 | 94% | 73 | 29.73 | 1007.7 | ||||
| 28 | 06:56 | S 6 | 10.00 | Fair | CLR | 72 | 72 | 100% | 29.72 | 1007.1 | |||||||
| 28 | 05:56 | SE 3 | 10.00 | Fair | CLR | 71.1 | 71.1 | 100% | 29.73 | 1007.3 | |||||||
| 28 | 04:56 | Calm | 10.00 | Fair | CLR | 71.1 | 71.1 | 100% | 29.75 | 1008.2 | |||||||
| 28 | 03:56 | S 3 | 10.00 | Fair | CLR | 73.9 | 70 | 88% | 29.77 | 1008.8 | |||||||
| 28 | 02:56 | SE 3 | 10.00 | Fair | CLR | 73 | 71.1 | 94% | 29.79 | 1009.6 | |||||||
| 28 | 01:56 | SE 3 | 10.00 | Fair | CLR | 75 | 70 | 79 | 73 | 84% | 75 | 29.81 | 1010.2 | ||||
| 28 | 00:56 | SE 3 | 10.00 | Fair | CLR | 75 | 69.1 | 82% | 75 | 29.81 | 1010.0 | ||||||
| 27 | 23:56 | SE 3 | 10.00 | Fair | CLR | 75 | 70 | 84% | 75 | 29.82 | 1010.4 | ||||||
| 27 | 22:56 | Calm | 10.00 | Fair | CLR | 73.9 | 71.1 | 91% | 29.81 | 1010.1 | |||||||
| 27 | 21:56 | SE 5 | 10.00 | Fair | CLR | 75.9 | 69.1 | 79% | 77 | 29.81 | 1010.3 | ||||||
| 27 | 20:56 | SE 5 | 10.00 | Fair | CLR | 75.9 | 68 | 77% | 77 | 29.82 | 1010.5 | ||||||
| 27 | 19:56 | Calm | 10.00 | Fair | CLR | 79 | 64.9 | 86 | 79 | 62% | 81 | 29.82 | 1010.4 | ||||
| 27 | 18:56 | NW 3 | 10.00 | Fair | CLR | 84 | 66.9 | 57% | 87 | 29.82 | 1010.7 | ||||||
| 27 | 17:56 | NW 6 | 10.00 | A Few Clouds | FEW047 | 84 | 66.9 | 57% | 87 | 29.82 | 1010.6 | ||||||
| 27 | 16:56 | W 3 | 10.00 | Partly Cloudy | SCT047 | 84 | 68 | 59% | 87 | 29.82 | 1010.5 | ||||||
| 27 | 15:56 | W 7 | 10.00 | Fair | CLR | 84.9 | 68 | 57% | 88 | 29.82 | 1010.5 | ||||||
| 27 | 14:56 | Vrbl 5 | 10.00 | Fair | CLR | 84 | 66 | 55% | 86 | 29.85 | 1011.6 | ||||||
| 27 | 13:56 | Vrbl 3 | 10.00 | Fair | CLR | 84.9 | 68 | 84.9 | 71.1 | 57% | 88 | 29.86 | 1012.1 | ||||
| 27 | 12:56 | NW 5 | 10.00 | Mostly Cloudy | BKN037 | 82 | 68 | 63% | 85 | 29.88 | 1012.6 | ||||||
| 27 | 11:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW095 | 82 | 68 | 63% | 85 | 29.89 | 1013.0 | ||||||
| 27 | 10:56 | Vrbl 3 | 10.00 | Fair | CLR | 81 | 69.1 | 67% | 84 | 29.89 | 1013.1 | ||||||
| 27 | 08:56 | Calm | 10.00 | Fair | CLR | 75.9 | 66.9 | 74% | 77 | 29.89 | 1012.9 | ||||||
| 27 | 07:56 | NW 3 | 10.00 | Fair | CLR | 71.1 | 70 | 75 | 68 | 96% | 29.89 | 1013.0 | |||||
| 27 | 06:56 | Calm | 8.00 | Fair | CLR | 68 | 0 | 0% | 29.88 | 1012.8 | |||||||
| 27 | 05:56 | Calm | 9.00 | A Few Clouds | FEW060 | 68 | 0 | 0% | 29.86 | 1012.1 | |||||||
| 27 | 04:56 | Calm | 10.00 | A Few Clouds | FEW065 | 69.8 | 0 | 0% | 29.86 | 1011.9 | |||||||
| 27 | 03:56 | Calm | 10.00 | Overcast | BKN060 OVC080 | 71.1 | 71.1 | 100% | 29.86 | 1012.0 | |||||||
| 27 | 02:56 | W 5 | 8.00 | Overcast | BKN065 OVC085 | 73 | 71.1 | 94% | 29.86 | 1012.0 | |||||||
| 27 | 01:56 | SW 3 | 10.00 | Overcast | OVC060 | 75 | 70 | 78.1 | 73 | 84% | 75 | 29.88 | 1012.4 | ||||
| 27 | 00:56 | S 3 | 10.00 | Overcast | SCT050 OVC060 | 75.9 | 69.1 | 79% | 77 | 29.89 | 1012.8 | ||||||
| 26 | 23:56 | S 3 | 10.00 | Overcast | BKN060 OVC080 | 75 | 69.1 | 82% | 75 | 29.89 | 1012.9 | ||||||
| 26 | 22:56 | S 3 | 10.00 | Partly Cloudy | SCT070 | 73 | 69.1 | 87% | 29.89 | 1012.9 | |||||||
| 26 | 21:56 | SE 3 | 10.00 | Partly Cloudy | FEW060 SCT090 | 73 | 69.1 | 87% | 29.89 | 1013.2 | |||||||
| 26 | 20:56 | Vrbl 3 | 10.00 | Overcast | OVC085 | 77 | 66.9 | 71% | 79 | 29.88 | 1012.6 | ||||||
| 26 | 19:56 | Calm | 10.00 | Overcast | OVC080 | 78.1 | 64 | 86 | 78.1 | 62% | 80 | 29.86 | 1012.2 | ||||
| 26 | 18:56 | Calm | 10.00 | Overcast | BKN085 OVC100 | 79 | 66 | 65% | 81 | 29.87 | 1012.4 | ||||||
| 26 | 17:56 | Vrbl 5 | 10.00 | Mostly Cloudy | FEW065 SCT085 BKN110 | 82 | 64 | 55% | 84 | 29.88 | 1012.6 | ||||||
| 26 | 16:56 | NW 6 | 10.00 | Overcast | OVC080 | 81 | 64.9 | 58% | 83 | 29.88 | 1012.9 | ||||||
| 26 | 15:56 | Vrbl 3 | 10.00 | Partly Cloudy | FEW044 SCT055 SCT075 | 84 | 68 | 59% | 87 | 29.88 | 1012.7 | ||||||
| 26 | 14:56 | Calm | 8.00 | Mostly Cloudy | BKN040 BKN080 | 82.9 | 68 | 61% | 86 | 29.9 | 1013.3 | ||||||
| 26 | 13:56 | W 5 | 10.00 | Overcast | BKN034 BKN043 OVC060 | 80.1 | 66.9 | 82.9 | 68 | 64% | 82 | 29.92 | 1014.2 | ||||
| 26 | 12:56 | Calm | 10.00 | Overcast | SCT034 SCT047 OVC060 | 81 | 68 | 65% | 84 | 29.93 | 1014.6 | ||||||
| 26 | 11:56 | W 6 | 10.00 | Overcast | BKN029 OVC060 | 78.1 | 66.9 | 69% | 80 | 29.95 | 1015.1 | ||||||
| 26 | 09:56 | SE 5 | 10.00 | Overcast | OVC048 | 73 | 66 | 79% | 29.98 | 1016.1 | |||||||
| 26 | 08:56 | SE 3 | 10.00 | Fair | CLR | 72 | 64.9 | 79% | 29.98 | 1016.3 | |||||||
| 26 | 07:56 | SE 3 | 10.00 | Fair | CLR | 68 | 64 | 68 | 63 | 87% | 29.98 | 1016.2 | |||||
| 26 | 06:56 | Calm | 10.00 | Fair | CLR | 64 | 64 | 100% | 29.98 | 1016.1 | |||||||
| 26 | 05:56 | Calm | 10.00 | Overcast | OVC080 | 64.9 | 62.1 | 90% | 29.97 | 1015.9 | |||||||
| 26 | 04:56 | Calm | 10.00 | Overcast | OVC080 | 66 | 62.1 | 87% | 29.97 | 1015.9 | |||||||
| 26 | 03:56 | Calm | 10.00 | Overcast | BKN060 OVC085 | 64 | 64 | 100% | 29.96 | 1015.8 | |||||||
| 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) | |||||||||||||||