Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 27 | 05:56 | W 9 G 17 | 10.00 | Fair | CLR | 39 | 19 | 45% | 33 | 30.01 | 1017.6 | ||||||
| 27 | 04:56 | W 12 | 10.00 | Fair | CLR | 39.9 | 19.9 | 45% | 34 | 29.99 | 1017.2 | ||||||
| 27 | 03:56 | W 12 G 20 | 10.00 | A Few Clouds | FEW055 | 39.9 | 19.9 | 45% | 34 | 29.98 | 1016.6 | ||||||
| 27 | 02:56 | W 16 G 25 | 10.00 | Fair | CLR | 41 | 19 | 41% | 33 | 29.97 | 1016.4 | ||||||
| 27 | 01:56 | W 17 G 31 | 10.00 | Fair | CLR | 42.1 | 19.9 | 41% | 34 | 29.97 | 1016.2 | ||||||
| 27 | 00:56 | W 16 G 23 | 10.00 | Fair | CLR | 41 | 21 | 55 | 41 | 45% | 33 | 29.96 | 1015.9 | ||||
| 26 | 23:56 | NW 20 G 36 | 10.00 | Fair | CLR | 43 | 21.9 | 43% | 35 | 29.95 | 1015.7 | ||||||
| 26 | 22:56 | NW 13 G 28 | 10.00 | Fair | CLR | 45 | 26.1 | 48% | 39 | 29.92 | 1014.8 | ||||||
| 26 | 21:56 | NW 15 G 32 | 10.00 | Fair | CLR | 46.9 | 27 | 46% | 41 | 29.9 | 1013.8 | ||||||
| 26 | 20:56 | NW 18 G 28 | 10.00 | Fair | CLR | 48.9 | 30 | 48% | 43 | 29.86 | 1012.6 | ||||||
| 26 | 19:56 | NW 16 G 21 | 10.00 | Fair | CLR | 54 | 36 | 51% | 29.81 | 1010.9 | |||||||
| 26 | 18:56 | NW 13 G 24 | 10.00 | Fair | CLR | 55 | 42.1 | 69.1 | 55 | 62% | 29.8 | 1010.5 | |||||
| 26 | 17:56 | W 17 G 28 | 10.00 | Mostly Cloudy | SCT070 BKN090 | 57.9 | 46.9 | 67% | 29.78 | 1009.6 | |||||||
| 26 | 16:56 | W 3 | 9.00 | Overcast | OVC070 | 59 | 52 | 78% | 29.73 | 1008.2 | |||||||
| 26 | 15:56 | NW 10 | 10.00 | Light Rain | FEW038 BKN050 OVC065 | 61 | 53.1 | 75% | 29.73 | 1008.1 | |||||||
| 26 | 14:56 | SW 9 | 10.00 | Mostly Cloudy | SCT049 BKN065 BKN080 | 68 | 52 | 57% | 29.71 | 1007.3 | |||||||
| 26 | 13:56 | SW 7 | 10.00 | Mostly Cloudy | FEW026 BKN075 | 68 | 55.9 | 65% | 29.72 | 1007.6 | |||||||
| 26 | 12:56 | S 5 | 10.00 | A Few Clouds | FEW019 | 64.9 | 60.1 | 64.9 | 53.1 | 84% | 29.75 | 1008.7 | |||||
| 26 | 11:56 | S 6 | 10.00 | Mostly Cloudy | BKN007 BKN075 | 60.1 | 60.1 | 100% | 29.78 | 1009.7 | |||||||
| 26 | 10:56 | SW 6 | 7.00 | Overcast | OVC003 | 57.2 | 0 | 0% | 29.82 | 1011.3 | |||||||
| 26 | 09:56 | Calm | 0.25 | Fog | SCT003 OVC017 | 53.6 | 0 | 0% | 29.85 | 1012.5 | |||||||
| 26 | 08:56 | NW 6 | 0.50 | Fog | OVC003 | 53.6 | 0 | 0% | 29.87 | 1012.9 | |||||||
| 26 | 07:56 | Calm | 5.00 | Overcast with Haze | OVC005 | 53.6 | 0 | 0% | 29.86 | 1012.5 | |||||||
| 26 | 06:56 | Calm | 3.00 | Fog/Mist | OVC005 | 48.2 | 0 | 51.1 | 45 | 0% | 29.86 | 1012.5 | |||||
| 26 | 05:56 | S 5 | 2.50 | Fog/Mist | OVC007 | 50 | 0 | 0% | 49 | 29.85 | 1012.2 | ||||||
| 26 | 04:56 | Calm | 0.75 | Fog/Mist | SCT009 OVC085 | 46.4 | 0 | 0% | 29.86 | 1012.6 | |||||||
| 26 | 03:56 | Calm | 1.00 | Fog/Mist | SCT070 | 46.4 | 0 | 0% | 29.87 | 1013.0 | |||||||
| 26 | 02:56 | Calm | 5.00 | Light Rain | OVC055 | 48.2 | 0 | 0% | 29.89 | 1013.9 | |||||||
| 26 | 01:56 | Calm | 5.00 | Overcast with Haze | FEW050 BKN090 OVC100 | 48.2 | 0 | 0% | 29.89 | 1013.9 | |||||||
| 26 | 00:56 | SE 3 | 7.00 | Overcast | OVC070 | 46.4 | 0 | 48 | 44.1 | 0% | 29.92 | 1014.4 | |||||
| 25 | 23:56 | SE 5 | 5.00 | Overcast with Haze | OVC080 | 46.4 | 0 | 0% | 45 | 29.93 | 1015.0 | ||||||
| 25 | 22:56 | SE 5 | 4.00 | Fair with Haze | CLR | 44.6 | 0 | 0% | 43 | 29.94 | 1015.5 | ||||||
| 25 | 21:56 | Calm | 2.50 | Fog/Mist | CLR | 44.6 | 0 | 0% | 29.96 | 1016.0 | |||||||
| 25 | 20:56 | SE 3 | 1.25 | Fog/Mist | CLR | 44.6 | 0 | 0% | 29.97 | 1016.4 | |||||||
| 25 | 19:56 | SE 3 | 6.00 | Overcast with Haze | OVC030 | 48.2 | 0 | 0% | 29.98 | 1016.9 | |||||||
| 25 | 18:56 | Calm | 4.00 | Light Rain | BKN010 OVC014 | 48.2 | 0 | 53.1 | 48 | 0% | 30 | 1017.6 | 0.03 | 0.25 | |||
| 25 | 17:56 | Calm | 5.00 | Light Rain | BKN020 OVC027 | 48.2 | 0 | 0% | 30 | 1017.5 | 0.1 | ||||||
| 25 | 16:56 | Calm | 4.00 | Rain | OVC028 | 48.2 | 0 | 0% | 30.01 | 1017.8 | 0.12 | ||||||
| 25 | 15:56 | Calm | 10.00 | Overcast | OVC045 | 52 | 46 | 80% | 30.02 | 1018.1 | |||||||
| 25 | 14:56 | SE 6 | 10.00 | Overcast | OVC048 | 52 | 45 | 77% | 30.05 | 1018.9 | |||||||
| 25 | 13:56 | SE 10 | 10.00 | Overcast | OVC050 | 51.1 | 46 | 83% | 30.07 | 1019.8 | |||||||
| 25 | 12:56 | SE 9 | 10.00 | Light Rain | FEW023 SCT070 OVC100 | 50 | 45 | 52 | 45 | 83% | 47 | 30.1 | 1020.8 | ||||
| 25 | 11:56 | S 9 | 10.00 | Overcast | BKN025 OVC090 | 52 | 39 | 61% | 30.14 | 1022.1 | |||||||
| 25 | 10:56 | S 9 | 10.00 | Overcast | BKN027 OVC100 | 51.1 | 37.9 | 61% | 30.17 | 1023.2 | |||||||
| 25 | 09:56 | S 8 | 10.00 | Overcast | OVC110 | 50 | 36 | 59% | 47 | 30.18 | 1023.7 | ||||||
| 25 | 08:56 | Vrbl 7 | 10.00 | Overcast | OVC065 | 48 | 36 | 63% | 45 | 30.2 | 1024.5 | ||||||
| 25 | 07:56 | SE 7 | 10.00 | A Few Clouds | FEW055 | 46 | 37 | 71% | 43 | 30.21 | 1024.6 | ||||||
| 25 | 06:56 | S 7 | 10.00 | Fair | CLR | 46 | 36 | 46 | 44.1 | 68% | 43 | 30.22 | 1025.1 | ||||
| 25 | 05:56 | Calm | 10.00 | Fair | CLR | 46 | 35.1 | 66% | 30.22 | 1025.1 | |||||||
| 25 | 04:56 | S 7 | 10.00 | Fair | CLR | 46 | 36 | 68% | 43 | 30.22 | 1024.8 | ||||||
| 25 | 03:56 | S 8 | 10.00 | Fair | CLR | 46 | 35.1 | 66% | 42 | 30.23 | 1025.1 | ||||||
| 25 | 02:56 | S 8 | 10.00 | Fair | CLR | 46 | 36 | 68% | 42 | 30.22 | 1024.9 | ||||||
| 25 | 01:56 | SE 8 | 10.00 | Fair | CLR | 44.1 | 37 | 76% | 40 | 30.24 | 1025.5 | ||||||
| 25 | 00:56 | SE 7 | 10.00 | Fair | CLR | 44.1 | 34 | 46.9 | 39.9 | 68% | 41 | 30.25 | 1026.2 | ||||
| 24 | 23:56 | SE 7 | 10.00 | Fair | CLR | 43 | 33.1 | 68% | 39 | 30.27 | 1026.4 | ||||||
| 24 | 22:56 | SE 6 | 10.00 | Fair | CLR | 43 | 33.1 | 68% | 40 | 30.27 | 1026.5 | ||||||
| 24 | 21:56 | E 3 | 10.00 | Fair | CLR | 41 | 32 | 70% | 30.27 | 1026.8 | |||||||
| 24 | 20:56 | SE 7 | 10.00 | Fair | CLR | 44.1 | 30.9 | 60% | 41 | 30.27 | 1026.7 | ||||||
| 24 | 19:56 | SE 6 | 10.00 | Fair | CLR | 46 | 30 | 54% | 44 | 30.27 | 1027.0 | ||||||
| 24 | 18:56 | Calm | 10.00 | Fair | CLR | 44.1 | 30 | 57.9 | 43 | 58% | 30.27 | 1026.8 | |||||
| 24 | 17:56 | Calm | 10.00 | Fair | CLR | 46 | 30 | 54% | 30.26 | 1026.3 | |||||||
| 24 | 16:56 | Calm | 10.00 | Fair | CLR | 51.1 | 28.9 | 43% | 30.26 | 1026.3 | |||||||
| 24 | 15:56 | Calm | 10.00 | Fair | CLR | 55.9 | 27 | 33% | 30.25 | 1026.1 | |||||||
| 24 | 14:56 | W 5 | 10.00 | Fair | CLR | 57 | 30.9 | 37% | 30.26 | 1026.2 | |||||||
| 24 | 13:56 | Vrbl 5 | 10.00 | Fair | CLR | 57 | 32 | 39% | 30.25 | 1026.0 | |||||||
| 24 | 12:56 | Calm | 10.00 | Fair | CLR | 55.9 | 30 | 57.9 | 28.9 | 37% | 30.26 | 1026.5 | |||||
| 24 | 07:56 | NW 3 | 10.00 | Fair | CLR | 36 | 33.1 | 89% | 30.26 | 1026.7 | |||||||
| 24 | 06:56 | Calm | 10.00 | Fair | CLR | 28.9 | 28.9 | 39.9 | 28.9 | 100% | 30.24 | 1026.0 | |||||
| Date | Time (est) | 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) | |||||||||||||||