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. | ||||||||||||||||
| 02 | 18:56 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN085 | 54 | 32 | 43% | 29.9 | 1014.2 | |||||||
| 02 | 17:56 | Vrbl 5 | 10.00 | Mostly Cloudy | FEW060 BKN080 | 55 | 32 | 42% | 29.9 | 1014.0 | |||||||
| 02 | 16:56 | W 12 G 18 | 10.00 | Mostly Cloudy | BKN080 | 57.9 | 30.9 | 36% | 29.89 | 1013.6 | |||||||
| 02 | 15:56 | Vrbl 5 | 10.00 | Overcast | OVC070 | 57.9 | 32 | 38% | 29.89 | 1013.7 | |||||||
| 02 | 14:56 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN070 | 57.9 | 30 | 35% | 29.92 | 1014.5 | |||||||
| 02 | 13:56 | Vrbl 6 | 10.00 | Partly Cloudy | SCT065 | 57.9 | 32 | 57.9 | 46 | 38% | 29.94 | 1015.2 | |||||
| 02 | 12:56 | W 5 | 10.00 | Mostly Cloudy | BKN060 | 54 | 32 | 43% | 29.95 | 1015.7 | |||||||
| 02 | 11:56 | Vrbl 3 | 10.00 | Fair | CLR | 54 | 33.1 | 45% | 29.97 | 1016.1 | |||||||
| 02 | 10:56 | Vrbl 3 | 10.00 | Fair | CLR | 53.1 | 35.1 | 51% | 29.97 | 1016.3 | |||||||
| 02 | 09:56 | Vrbl 6 | 10.00 | Fair | CLR | 50 | 34 | 54% | 48 | 29.96 | 1016.0 | ||||||
| 02 | 08:56 | NW 7 | 10.00 | Fair | CLR | 46.9 | 36 | 66% | 44 | 29.97 | 1016.2 | ||||||
| 02 | 07:56 | Vrbl 6 | 10.00 | Fair | CLR | 46 | 36 | 52 | 45 | 68% | 44 | 29.97 | 1016.2 | ||||
| 02 | 06:56 | NW 9 | 10.00 | Fair | CLR | 45 | 37 | 74% | 41 | 29.96 | 1015.8 | ||||||
| 02 | 05:56 | NW 10 G 20 | 10.00 | Fair | CLR | 46.9 | 35.1 | 63% | 43 | 29.94 | 1015.1 | ||||||
| 02 | 04:56 | NW 8 | 10.00 | Fair | CLR | 48 | 37 | 66% | 45 | 29.93 | 1014.9 | ||||||
| 02 | 03:56 | Vrbl 7 | 10.00 | A Few Clouds | FEW080 | 50 | 37.9 | 63% | 48 | 29.93 | 1014.6 | ||||||
| 02 | 02:56 | NW 6 | 10.00 | Overcast | OVC065 | 51.1 | 42.1 | 71% | 29.92 | 1014.3 | |||||||
| 02 | 01:56 | NW 5 | 10.00 | Overcast | OVC060 | 52 | 43 | 62.1 | 52 | 72% | 29.93 | 1014.7 | |||||
| 02 | 00:56 | NW 5 | 10.00 | Light Rain | OVC055 | 52 | 48 | 86% | 29.93 | 1014.9 | |||||||
| 01 | 23:56 | Calm | 10.00 | Overcast | OVC060 | 53.1 | 48 | 83% | 29.92 | 1014.5 | |||||||
| 01 | 22:56 | Calm | 10.00 | Overcast | OVC070 | 55.9 | 39.9 | 55% | 29.89 | 1013.5 | |||||||
| 01 | 21:56 | SE 3 | 10.00 | Overcast | OVC075 | 57 | 41 | 55% | 29.89 | 1013.4 | |||||||
| 01 | 20:56 | SE 6 | 10.00 | Light Rain | OVC080 | 60.1 | 39.9 | 48% | 29.86 | 1012.5 | |||||||
| 01 | 19:56 | SE 8 | 10.00 | Overcast | OVC095 | 62.1 | 36 | 68 | 62.1 | 38% | 29.85 | 1012.0 | |||||
| 01 | 18:56 | S 9 | 10.00 | Overcast | BKN100 OVC110 | 64 | 35.1 | 34% | 29.84 | 1011.9 | |||||||
| 01 | 17:56 | S 13 | 10.00 | Fair | CLR | 66.9 | 36 | 32% | 29.84 | 1012.0 | |||||||
| 01 | 16:56 | S 10 | 10.00 | Fair | CLR | 66.9 | 35.1 | 31% | 29.86 | 1012.3 | |||||||
| 01 | 15:56 | Vrbl 6 | 10.00 | A Few Clouds | FEW065 | 66.9 | 37 | 33% | 29.87 | 1012.8 | |||||||
| 01 | 14:56 | S 9 | 10.00 | Fair | CLR | 66 | 37.9 | 36% | 29.9 | 1013.8 | |||||||
| 01 | 13:56 | SW 8 | 10.00 | Fair | CLR | 64.9 | 35.1 | 64.9 | 45 | 33% | 29.93 | 1014.7 | |||||
| 01 | 12:56 | Vrbl 6 | 10.00 | Fair | CLR | 62.1 | 35.1 | 37% | 29.94 | 1015.3 | |||||||
| 01 | 11:56 | Vrbl 5 | 10.00 | Fair | CLR | 62.1 | 36 | 38% | 29.96 | 1015.9 | |||||||
| 01 | 10:56 | Calm | 10.00 | Fair | CLR | 57 | 33.1 | 41% | 29.98 | 1016.8 | |||||||
| 01 | 09:56 | Calm | 10.00 | Fair | CLR | 55 | 34 | 45% | 29.99 | 1017.0 | |||||||
| 01 | 08:56 | W 3 | 10.00 | Fair | CLR | 50 | 37.9 | 63% | 30 | 1017.4 | |||||||
| 01 | 07:56 | NW 3 | 10.00 | Fair | CLR | 44.1 | 39.9 | 44.1 | 37 | 85% | 30 | 1017.5 | |||||
| 01 | 06:56 | Calm | 10.00 | Fair | CLR | 39 | 39 | 100% | 29.99 | 1017.0 | |||||||
| 01 | 05:56 | Calm | 10.00 | Fair | CLR | 37.4 | 0 | 0% | 29.98 | 1017.0 | |||||||
| 01 | 04:56 | Calm | 10.00 | Fair | CLR | 37.9 | 37.9 | 100% | 29.98 | 1016.7 | |||||||
| 01 | 03:56 | Calm | 10.00 | Fair | CLR | 39.9 | 39.9 | 100% | 29.97 | 1016.5 | |||||||
| 01 | 02:56 | NW 3 | 10.00 | Fair | CLR | 39.9 | 37.9 | 93% | 29.96 | 1016.1 | |||||||
| 01 | 01:56 | Calm | 10.00 | Fair | CLR | 39.9 | 39.9 | 54 | 39.9 | 100% | 29.96 | 1016.1 | |||||
| 01 | 00:56 | NW 6 | 10.00 | Fair | CLR | 42.1 | 39 | 89% | 39 | 29.97 | 1016.2 | ||||||
| 30 | 23:56 | Calm | 10.00 | Fair | CLR | 44.1 | 37 | 76% | 29.96 | 1016.0 | |||||||
| 30 | 22:56 | Calm | 10.00 | Fair | CLR | 46 | 36 | 68% | 29.96 | 1015.8 | |||||||
| 30 | 21:56 | Vrbl 3 | 10.00 | Fair | CLR | 48 | 36 | 63% | 29.94 | 1015.4 | |||||||
| 30 | 20:56 | Vrbl 5 | 10.00 | Fair | CLR | 50 | 35.1 | 57% | 49 | 29.93 | 1014.9 | ||||||
| 30 | 19:56 | NW 12 G 18 | 10.00 | A Few Clouds | FEW080 | 54 | 37.9 | 66.9 | 54 | 55% | 29.9 | 1014.0 | |||||
| 30 | 18:56 | NW 12 G 20 | 10.00 | Partly Cloudy | FEW055 SCT080 | 57.9 | 39 | 50% | 29.86 | 1012.7 | |||||||
| 30 | 17:56 | NW 17 G 23 | 10.00 | A Few Clouds | FEW060 | 63 | 39 | 41% | 29.83 | 1011.4 | |||||||
| 30 | 16:56 | NW 14 G 23 | 10.00 | Overcast | BKN070 OVC085 | 63 | 37 | 38% | 29.81 | 1010.7 | |||||||
| 30 | 15:56 | W 17 G 24 | 10.00 | A Few Clouds | FEW070 | 64 | 36 | 35% | 29.79 | 1010.0 | |||||||
| 30 | 14:56 | W 16 G 21 | 10.00 | Partly Cloudy | SCT070 | 66.9 | 37.9 | 35% | 29.79 | 1009.8 | |||||||
| 30 | 13:56 | W 15 G 26 | 10.00 | A Few Clouds | FEW065 | 64.9 | 37 | 66 | 51.1 | 36% | 29.79 | 1010.0 | |||||
| 30 | 12:56 | W 16 G 24 | 10.00 | A Few Clouds | FEW065 | 64.9 | 39 | 39% | 29.8 | 1010.4 | |||||||
| 30 | 11:56 | W 14 G 23 | 10.00 | Partly Cloudy | SCT050 | 63 | 42.1 | 47% | 29.81 | 1010.7 | |||||||
| 30 | 10:56 | NW 13 G 24 | 10.00 | Partly Cloudy | SCT048 | 62.1 | 43 | 50% | 29.82 | 1011.0 | |||||||
| 30 | 09:56 | NW 10 G 16 | 10.00 | Fair | CLR | 60.1 | 46.9 | 62% | 29.82 | 1011.2 | |||||||
| 30 | 08:56 | NW 10 | 10.00 | Fair | CLR | 55 | 55 | 100% | 29.81 | 1010.9 | |||||||
| 30 | 07:56 | NW 5 | 10.00 | Fair | CLR | 51.8 | 0 | 52 | 46.9 | 0% | 29.81 | 1010.8 | 0.01 | ||||
| 30 | 06:56 | NW 5 | 10.00 | Fair | CLR | 50 | 0 | 0% | 49 | 29.8 | 1010.5 | ||||||
| 30 | 05:56 | NW 3 | 2.50 | Fog/Mist | CLR | 48.2 | 0 | 0% | 29.78 | 1009.8 | 0.01 | ||||||
| 30 | 04:56 | W 5 | 0.75 | Fog/Mist | VV002 | 48.2 | 0 | 0% | 47 | 29.78 | 1009.9 | ||||||
| 30 | 03:56 | Calm | 0.50 | Fog | BKN002 OVC014 | 51.8 | 0 | 0% | 29.76 | 1009.2 | |||||||
| 30 | 02:56 | Calm | 0.50 | Fog | SCT002 BKN009 OVC013 | 51.8 | 0 | 0% | 29.76 | 1008.9 | |||||||
| 30 | 01:56 | SE 5 | 0.50 | Fog | SCT004 BKN040 | 51.8 | 0 | 55 | 51.1 | 0% | 29.75 | 1008.8 | 0.13 | ||||
| 30 | 00:56 | Calm | 4.00 | Mostly Cloudy with Haze | SCT012 BKN023 | 53.6 | 0 | 0% | 29.77 | 1009.5 | |||||||
| 29 | 23:56 | Calm | 10.00 | Overcast | OVC010 | 53.6 | 0 | 0% | 29.77 | 1009.3 | |||||||
| 29 | 22:56 | SE 5 | 10.00 | Overcast | OVC010 | 55.4 | 0 | 0% | 29.78 | 1009.7 | 0.04 | 0.13 | |||||
| 29 | 21:56 | SE 7 | 6.00 | Light Rain | OVC006 | 53.6 | 0 | 0% | 29.77 | 1009.5 | 0.05 | ||||||
| 29 | 20:56 | SE 16 | 8.00 | Rain | BKN006 OVC014 | 55.4 | 0 | 0% | 29.75 | 1008.9 | 0.04 | ||||||
| 29 | 19:56 | SE 10 | 10.00 | Overcast | FEW006 BKN010 OVC014 | 55.4 | 0 | 61 | 55 | 0% | 29.76 | 1009.1 | 0.01 | 0.42 | |||
| 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) | |||||||||||||||