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. | ||||||||||||||||
| 07 | 00:56 | SE 6 | 3.00 | Fog/Mist | OVC004 | 42.8 | 0 | 44.1 | 42.1 | 0% | 40 | 30.33 | 1028.9 | ||||
| 06 | 23:56 | SE 6 | 5.00 | Overcast with Haze | OVC004 | 42.8 | 0 | 0% | 40 | 30.34 | 1029.1 | ||||||
| 06 | 22:56 | SE 8 | 5.00 | Overcast with Haze | OVC004 | 42.8 | 0 | 0% | 39 | 30.35 | 1029.4 | ||||||
| 06 | 21:56 | E 5 | 2.50 | Fog/Mist | OVC002 | 42.8 | 0 | 0% | 41 | 30.37 | 1030.1 | ||||||
| 06 | 20:56 | E 5 | 1.50 | Fog/Mist | OVC002 | 42.8 | 0 | 0% | 41 | 30.36 | 1029.9 | ||||||
| 06 | 19:56 | E 5 | 1.00 | Fog/Mist | OVC002 | 42.8 | 0 | 0% | 41 | 30.35 | 1029.5 | ||||||
| 06 | 18:56 | E 5 | 1.75 | Fog/Mist | OVC004 | 44.6 | 0 | 48 | 44.1 | 0% | 43 | 30.34 | 1029.1 | ||||
| 06 | 17:56 | E 7 | 3.00 | Fog/Mist | OVC004 | 44.6 | 0 | 0% | 41 | 30.33 | 1028.8 | ||||||
| 06 | 16:56 | E 6 | 5.00 | Overcast with Haze | OVC006 | 46.4 | 0 | 0% | 44 | 30.31 | 1028.1 | ||||||
| 06 | 15:56 | E 3 | 6.00 | Fog/Mist | OVC008 | 46.9 | 46.9 | 100% | 30.31 | 1027.8 | |||||||
| 06 | 14:56 | Vrbl 3 | 7.00 | Overcast | OVC006 | 46.9 | 46.9 | 100% | 30.3 | 1027.6 | |||||||
| 06 | 13:56 | SE 8 | 6.00 | Overcast with Haze | OVC006 | 46.4 | 0 | 0% | 43 | 30.31 | 1027.8 | ||||||
| 06 | 12:56 | NE 3 | 6.00 | Overcast with Haze | OVC004 | 46.4 | 0 | 46.9 | 44.1 | 0% | 30.32 | 1028.2 | |||||
| 06 | 11:56 | Vrbl 3 | 6.00 | Overcast with Haze | OVC004 | 46.4 | 0 | 0% | 30.32 | 1028.4 | |||||||
| 06 | 10:56 | E 5 | 6.00 | Overcast with Haze | OVC004 | 46.4 | 0 | 0% | 45 | 30.3 | 1027.8 | ||||||
| 06 | 09:56 | E 5 | 3.00 | Fog/Mist | OVC002 | 44.6 | 0 | 0% | 43 | 30.31 | 1027.9 | ||||||
| 06 | 08:56 | E 3 | 0.25 | Fog | OVC002 | 44.6 | 0 | 0% | 30.3 | 1027.5 | |||||||
| 06 | 07:56 | E 3 | 0.25 | Fog | OVC002 | 46.4 | 0 | 0% | 30.27 | 1026.7 | |||||||
| 06 | 06:56 | E 5 | 0.25 | Fog | BKN002 OVC018 | 46.4 | 0 | 48.9 | 46 | 0% | 45 | 30.24 | 1025.5 | ||||
| 06 | 05:56 | SE 5 | 0.50 | Fog | BKN002 OVC017 | 46.4 | 0 | 0% | 45 | 30.24 | 1025.5 | ||||||
| 06 | 04:56 | Vrbl 3 | 1.00 | Fog/Mist | OVC002 | 46.4 | 0 | 0% | 30.21 | 1024.6 | |||||||
| 06 | 03:56 | Calm | 1.50 | Fog/Mist | OVC002 | 46.4 | 0 | 0% | 30.2 | 1024.3 | |||||||
| 06 | 02:56 | Calm | 1.25 | Fog/Mist | OVC002 | 48.2 | 0 | 0% | 30.19 | 1024.0 | |||||||
| 06 | 01:56 | Calm | 1.75 | Fog/Mist | OVC004 | 48.2 | 0 | 0% | 30.19 | 1024.0 | |||||||
| 06 | 00:56 | Calm | 1.25 | Light Rain | OVC004 | 48.2 | 0 | 51.1 | 48 | 0% | 30.18 | 1023.5 | 0.01 | 0.24 | |||
| 05 | 23:56 | Calm | 1.50 | Fog/Mist | FEW004 OVC085 | 48.2 | 0 | 0% | 30.17 | 1023.3 | |||||||
| 05 | 22:56 | E 5 | 2.50 | Light Rain | BKN080 OVC100 | 48.2 | 0 | 0% | 47 | 30.15 | 1022.3 | 0.14 | |||||
| 05 | 21:56 | Calm | 2.00 | Rain | BKN007 BKN017 OVC029 | 48.2 | 0 | 0% | 30.23 | 1025.1 | 0.06 | 0.09 | |||||
| 05 | 20:56 | Calm | 3.00 | Light Rain | OVC007 | 48.2 | 0 | 0% | 30.15 | 1022.5 | |||||||
| 05 | 19:56 | E 3 | 5.00 | Light Rain | SCT085 OVC110 | 48.2 | 0 | 0% | 30.12 | 1021.3 | 0.03 | ||||||
| 05 | 18:56 | E 3 | 5.00 | Fog/Mist | OVC100 | 51.1 | 51.1 | 57.9 | 51.1 | 100% | 30.12 | 1021.4 | |||||
| 05 | 17:56 | Vrbl 5 | 6.00 | Fog/Mist | CLR | 54 | 54 | 100% | 30.12 | 1021.5 | |||||||
| 05 | 16:56 | E 5 | 7.00 | Fair | CLR | 55 | 54 | 96% | 30.13 | 1021.9 | |||||||
| 05 | 15:56 | E 6 | 9.00 | Fair | CLR | 57.9 | 54 | 87% | 30.13 | 1021.7 | |||||||
| 05 | 14:56 | E 6 | 9.00 | Mostly Cloudy | BKN012 | 55.9 | 55.9 | 100% | 30.14 | 1022.0 | |||||||
| 05 | 13:56 | Calm | 7.00 | Overcast | OVC008 | 54 | 54 | 100% | 30.14 | 1022.3 | |||||||
| 05 | 12:56 | Calm | 5.00 | Fog/Mist | OVC008 | 53.1 | 53.1 | 53.1 | 44.1 | 100% | 30.16 | 1022.9 | |||||
| 05 | 11:56 | Calm | 4.00 | Overcast with Haze | OVC004 | 50 | 0 | 0% | 30.19 | 1023.7 | |||||||
| 05 | 10:51 | Calm | 3.00 | Fog/Mist | OVC004 | 48.2 | 0 | 0% | 30.2 | 1024.2 | |||||||
| 05 | 09:56 | Calm | 1.00 | Fog/Mist | OVC002 | 46.4 | 0 | 0% | 30.2 | 1024.4 | |||||||
| 05 | 08:56 | E 3 | 0.25 | Fog | OVC002 | 46.4 | 0 | 0% | 30.19 | 1023.8 | |||||||
| 05 | 07:56 | Calm | 0.15 | Fog | OVC002 | 45 | 45 | 100% | 30.19 | 1023.8 | |||||||
| 05 | 06:56 | Calm | 0.15 | Fog | OVC002 | 44.6 | 0 | 45 | 44.1 | 0% | 30.17 | 1023.4 | |||||
| 05 | 05:56 | Calm | 0.25 | Fog | OVC002 | 44.6 | 0 | 0% | 30.16 | 1023.1 | |||||||
| 05 | 04:56 | E 3 | 0.25 | Fog | OVC002 | 44.6 | 0 | 0% | 30.17 | 1023.2 | |||||||
| 05 | 03:56 | Calm | 0.25 | Fog | OVC002 | 44.6 | 0 | 0% | 30.18 | 1023.5 | |||||||
| 05 | 02:56 | Calm | 0.25 | Fog | OVC002 | 44.6 | 0 | 0% | 30.18 | 1023.4 | |||||||
| 05 | 01:56 | Calm | 0.25 | Fog | OVC002 | 44.6 | 0 | 0% | 30.2 | 1024.5 | |||||||
| 05 | 00:56 | Calm | 0.25 | Fog | OVC002 | 44.6 | 0 | 46.9 | 45 | 0% | 30.22 | 1025.1 | |||||
| 04 | 23:56 | Calm | 0.50 | Fog | OVC002 | 44.6 | 0 | 0% | 30.22 | 1024.9 | |||||||
| 04 | 22:56 | Calm | 0.50 | Fog | OVC002 | 44.6 | 0 | 0% | 30.22 | 1024.8 | |||||||
| 04 | 21:56 | Calm | 0.25 | Fog | OVC002 | 46.4 | 0 | 0% | 30.24 | 1025.5 | |||||||
| 04 | 20:56 | SE 6 | 0.50 | Fog | BKN002 OVC017 | 46.4 | 0 | 0% | 44 | 30.25 | 1025.9 | ||||||
| 04 | 19:54 | Calm | 1.75 | Fog/Mist | OVC002 | 46.4 | 0 | 0% | 30.25 | 1026.2 | |||||||
| 04 | 18:56 | N 3 | 4.00 | Overcast with Haze | OVC004 | 46.4 | 0 | 48 | 46.9 | 0% | 30.25 | 1026.1 | 0.02 | ||||
| 04 | 17:56 | Calm | 4.00 | Overcast with Haze | OVC004 | 48.2 | 0 | 0% | 30.22 | 1025.1 | |||||||
| 04 | 16:56 | NE 3 | 6.00 | Overcast with Haze | OVC006 | 48.2 | 0 | 0% | 30.21 | 1024.7 | |||||||
| 04 | 15:56 | Calm | 6.00 | Light Rain | OVC006 | 48.2 | 0 | 0% | 30.23 | 1025.3 | 0.02 | ||||||
| 04 | 14:56 | Calm | 7.00 | Overcast | OVC004 | 48.2 | 0 | 0% | 30.24 | 1025.6 | |||||||
| 04 | 13:56 | E 3 | 3.00 | Light Rain | BKN004 BKN008 OVC045 | 46.4 | 0 | 0% | 30.22 | 1025.0 | 0.02 | ||||||
| 04 | 12:56 | Calm | 2.50 | Light Rain | SCT008 BKN047 OVC055 | 46.4 | 0 | 48.9 | 43 | 0% | 30.25 | 1026.2 | 0.01 | 0.01 | |||
| 04 | 11:56 | NE 3 | 8.00 | Overcast | BKN007 OVC033 | 48.2 | 0 | 0% | 30.25 | 1026.1 | |||||||
| 04 | 10:56 | Calm | 9.00 | Overcast | OVC007 | 48.2 | 0 | 0% | 30.26 | 1026.5 | |||||||
| 04 | 09:56 | Vrbl 3 | 8.00 | Overcast | OVC005 | 48.2 | 0 | 0% | 30.26 | 1026.5 | |||||||
| 04 | 08:56 | NE 5 | 4.00 | Overcast with Haze | BKN003 OVC100 | 46.4 | 0 | 0% | 45 | 30.25 | 1026.2 | ||||||
| 04 | 07:56 | Calm | 3.00 | Fog/Mist | SCT005 OVC035 | 44.6 | 0 | 0% | 30.25 | 1026.3 | |||||||
| 04 | 06:56 | Calm | 2.50 | Fog/Mist | OVC090 | 42.8 | 0 | 44.1 | 42.1 | 0% | 30.23 | 1025.6 | 0.02 | ||||
| 04 | 05:56 | Calm | 5.00 | Overcast with Haze | FEW075 OVC090 | 42.8 | 0 | 0% | 30.21 | 1024.8 | 0.01 | ||||||
| 04 | 04:56 | Calm | 6.00 | Light Rain | OVC065 | 42.8 | 0 | 0% | 30.21 | 1024.9 | 0.01 | ||||||
| 04 | 03:56 | Calm | 2.00 | Fog/Mist | OVC049 | 42.8 | 0 | 0% | 30.21 | 1024.9 | |||||||
| 04 | 02:56 | Calm | 5.00 | Overcast with Haze | OVC005 | 42.8 | 0 | 0% | 30.23 | 1025.5 | |||||||
| 04 | 01:56 | Calm | 5.00 | Overcast with Haze | OVC003 | 42.8 | 0 | 0% | 30.23 | 1025.5 | |||||||
| 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) | |||||||||||||||