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. | ||||||||||||||||
| 12 | 17:56 | NW 12 | 10.00 | Fair | CLR | 70 | 59 | 68% | 29.93 | 1014.8 | |||||||
| 12 | 16:56 | NW 8 | 10.00 | Mostly Cloudy | BKN036 | 72 | 60.1 | 66% | 29.93 | 1014.5 | |||||||
| 12 | 15:56 | Vrbl 7 | 10.00 | Overcast | OVC036 | 73 | 61 | 66% | 29.92 | 1014.3 | |||||||
| 12 | 14:56 | NW 14 | 10.00 | Mostly Cloudy | BKN030 | 73 | 61 | 66% | 29.93 | 1014.6 | |||||||
| 12 | 13:56 | NW 10 | 10.00 | Overcast | OVC030 | 72 | 61 | 73 | 57 | 68% | 29.94 | 1014.9 | |||||
| 12 | 12:56 | Vrbl 7 | 10.00 | Mostly Cloudy | BKN030 | 73 | 61 | 66% | 29.95 | 1015.2 | |||||||
| 12 | 11:56 | NW 12 G 20 | 10.00 | Mostly Cloudy | BKN026 | 70 | 61 | 73% | 29.94 | 1015.1 | |||||||
| 12 | 10:56 | NW 8 | 10.00 | Mostly Cloudy | BKN022 | 66 | 61 | 84% | 29.93 | 1014.6 | |||||||
| 12 | 09:56 | NW 7 | 10.00 | Overcast | OVC025 | 61 | 61 | 100% | 29.92 | 1014.5 | |||||||
| 12 | 08:56 | NW 6 | 10.00 | Overcast | FEW005 SCT025 OVC032 | 59 | 59 | 100% | 29.9 | 1013.8 | |||||||
| 12 | 06:56 | Vrbl 3 | 10.00 | Overcast | BKN008 OVC055 | 57 | 57 | 100% | 29.85 | 1012.1 | |||||||
| 12 | 05:56 | Vrbl 6 | 10.00 | Overcast | BKN010 OVC055 | 57.9 | 57.9 | 100% | 29.82 | 1011.1 | |||||||
| 12 | 04:56 | Vrbl 5 | 10.00 | Light Rain | OVC007 | 57.9 | 57.9 | 100% | 29.79 | 1010.2 | 0.06 | 0.08 | |||||
| 12 | 03:56 | NW 7 | 4.00 | Light Rain Fog/Mist | OVC005 | 57.9 | 57.9 | 100% | 29.76 | 1009.1 | 0.02 | ||||||
| 12 | 02:56 | Calm | 6.00 | Fog/Mist | OVC007 | 57.9 | 57.9 | 100% | 29.75 | 1008.8 | |||||||
| 12 | 01:56 | Vrbl 3 | 10.00 | Overcast | OVC007 | 59 | 0 | 63 | 59 | 0% | 29.76 | 1008.9 | 0.14 | ||||
| 12 | 00:56 | Calm | 10.00 | Overcast | OVC007 | 60.1 | 60.1 | 100% | 29.75 | 1008.7 | |||||||
| 11 | 23:56 | Calm | 10.00 | Overcast | OVC005 | 60.1 | 60.1 | 100% | 29.78 | 1009.6 | 0.02 | ||||||
| 11 | 22:56 | Calm | 5.00 | Light Rain Fog/Mist | OVC005 | 63 | 63 | 100% | 29.8 | 1010.3 | 0.12 | 0.12 | |||||
| 11 | 21:56 | Calm | 10.00 | Overcast | OVC003 | 63 | 63 | 100% | 29.8 | 1010.3 | |||||||
| 11 | 20:56 | Vrbl 3 | 8.00 | Overcast | OVC003 | 63 | 63 | 100% | 29.81 | 1010.8 | |||||||
| 11 | 19:56 | Calm | 4.00 | Light Rain Fog/Mist | OVC005 | 61 | 61 | 64 | 61 | 100% | 29.83 | 1011.2 | 0.01 | 0.14 | |||
| 11 | 18:56 | Calm | 10.00 | Light Rain | OVC005 | 61 | 61 | 100% | 29.85 | 1012.0 | 0.01 | ||||||
| 11 | 17:56 | Calm | 7.00 | Light Rain | OVC005 | 62.1 | 62.1 | 100% | 29.86 | 1012.5 | 0.03 | ||||||
| 11 | 16:56 | Vrbl 3 | 2.50 | Light Rain Fog/Mist | OVC005 | 64 | 64 | 100% | 29.89 | 1013.3 | 0.02 | 0.09 | |||||
| 11 | 15:56 | Vrbl 3 | 1.75 | Light Rain Fog/Mist | OVC005 | 64 | 64 | 100% | 29.91 | 1014.0 | 0.02 | ||||||
| 11 | 14:56 | Vrbl 5 | 3.00 | Light Rain Fog/Mist | OVC005 | 62.1 | 62.1 | 100% | 29.93 | 1014.8 | 0.05 | ||||||
| 11 | 13:56 | Vrbl 5 | 2.50 | Light Rain Fog/Mist | BKN005 OVC022 | 61 | 61 | 61 | 60.1 | 100% | 29.97 | 1016.1 | 0.17 | 1.42 | |||
| 11 | 12:56 | Vrbl 5 | 5.00 | Light Rain Fog/Mist | OVC005 | 61 | 61 | 100% | 30.02 | 1017.7 | 0.03 | ||||||
| 11 | 11:56 | Vrbl 7 | 3.00 | Light Rain Fog/Mist | OVC007 | 60.1 | 60.1 | 100% | 30.06 | 1019.3 | 0.19 | ||||||
| 11 | 10:56 | Vrbl 7 | 2.50 | Rain Fog/Mist | BKN007 OVC010 | 60.1 | 60.1 | 100% | 30.11 | 1020.8 | 0.49 | 1.03 | |||||
| 11 | 09:56 | Calm | 2.00 | Heavy Rain Fog/Mist | OVC007 | 60.1 | 60.1 | 100% | 30.16 | 1022.5 | 0.38 | ||||||
| 11 | 08:56 | Vrbl 3 | 3.00 | Heavy Rain Fog/Mist | OVC007 | 60.1 | 60.1 | 100% | 30.16 | 1022.5 | 0.16 | ||||||
| 11 | 06:56 | Vrbl 7 | 4.00 | Heavy Rain Fog/Mist | OVC007 | 59 | 59 | 100% | 30.2 | 1023.9 | 0.23 | ||||||
| 11 | 05:56 | Vrbl 5 | 4.00 | Rain | BKN007 OVC014 | 57.2 | 0 | 0% | 30.22 | 1024.5 | 0.2 | ||||||
| 11 | 04:56 | Vrbl 3 | 5.00 | Rain | SCT022 BKN028 OVC050 | 57.2 | 0 | 0% | 30.23 | 1025.1 | 0.16 | 0.24 | |||||
| 11 | 03:56 | Calm | 10.00 | Rain | BKN027 BKN033 OVC055 | 59 | 59 | 100% | 30.26 | 1026.0 | 0.08 | ||||||
| 11 | 02:56 | Vrbl 3 | 10.00 | Light Rain | BKN080 OVC100 | 60.1 | 59 | 96% | 30.28 | 1026.7 | |||||||
| 11 | 01:56 | Vrbl 5 | 10.00 | Overcast | OVC085 | 60.1 | 59 | 63 | 60.1 | 96% | 30.31 | 1027.6 | |||||
| 11 | 00:56 | Vrbl 3 | 10.00 | Overcast | OVC090 | 60.1 | 59 | 96% | 30.33 | 1028.3 | |||||||
| 10 | 23:56 | Vrbl 3 | 10.00 | Light Rain | OVC095 | 62.1 | 55.9 | 80% | 30.36 | 1029.0 | |||||||
| 10 | 22:56 | Vrbl 3 | 10.00 | Overcast | FEW047 OVC100 | 62.1 | 55 | 78% | 30.37 | 1029.5 | |||||||
| 10 | 21:56 | Vrbl 3 | 10.00 | Overcast | OVC100 | 62.1 | 54 | 75% | 30.37 | 1029.9 | |||||||
| 10 | 20:56 | E 3 | 10.00 | Overcast | FEW044 OVC110 | 62.1 | 52 | 70% | 30.37 | 1029.5 | |||||||
| 10 | 19:56 | Vrbl 3 | 10.00 | Mostly Cloudy | SCT048 BKN120 | 63 | 48.9 | 69.1 | 62.1 | 60% | 30.37 | 1029.6 | |||||
| 10 | 18:56 | Vrbl 3 | 10.00 | Fair | CLR | 64 | 50 | 60% | 30.35 | 1029.2 | |||||||
| 10 | 17:56 | Calm | 10.00 | A Few Clouds | FEW110 | 64.9 | 52 | 63% | 30.36 | 1029.3 | |||||||
| 10 | 16:56 | Calm | 10.00 | A Few Clouds | FEW110 | 66 | 53.1 | 63% | 30.37 | 1029.8 | |||||||
| 10 | 15:56 | Calm | 10.00 | Fair | CLR | 68 | 51.1 | 55% | 30.39 | 1030.2 | |||||||
| 10 | 14:56 | Vrbl 6 | 10.00 | Fair | CLR | 68 | 51.1 | 55% | 30.38 | 1030.1 | |||||||
| 10 | 13:56 | Vrbl 3 | 10.00 | Fair | CLR | 68 | 53.1 | 70 | 55.9 | 59% | 30.41 | 1031.2 | |||||
| 10 | 12:56 | Vrbl 6 | 10.00 | Fair | CLR | 70 | 50 | 49% | 30.41 | 1031.2 | |||||||
| 10 | 11:56 | Calm | 10.00 | Fair | CLR | 69.1 | 52 | 55% | 30.44 | 1032.2 | |||||||
| 10 | 10:56 | Vrbl 3 | 10.00 | Fair | CLR | 64.9 | 53.1 | 66% | 30.44 | 1032.1 | |||||||
| 10 | 09:56 | Calm | 10.00 | Fair | CLR | 61 | 51.1 | 70% | 30.42 | 1031.4 | |||||||
| 10 | 08:56 | Calm | 10.00 | Fair | CLR | 55.9 | 51.1 | 84% | 30.39 | 1030.6 | |||||||
| 10 | 07:56 | Calm | 10.00 | Fair | CLR | 48.9 | 48.9 | 51.1 | 48 | 100% | 30.4 | 1030.9 | |||||
| 10 | 06:56 | Calm | 10.00 | Fair | CLR | 48.9 | 48.9 | 100% | 30.37 | 1030.0 | |||||||
| 10 | 04:56 | Calm | 10.00 | Fair | CLR | 48.9 | 48.9 | 100% | 30.32 | 1027.9 | |||||||
| 10 | 03:56 | Calm | 10.00 | Fair | CLR | 48.9 | 48.9 | 100% | 30.31 | 1027.6 | |||||||
| 10 | 02:56 | Calm | 10.00 | Fair | CLR | 50 | 50 | 100% | 30.32 | 1028.1 | |||||||
| 10 | 01:56 | Calm | 10.00 | Fair | CLR | 50 | 50 | 57.9 | 50 | 100% | 30.32 | 1028.0 | |||||
| 10 | 00:56 | Calm | 10.00 | Fair | CLR | 51.1 | 51.1 | 100% | 30.31 | 1027.6 | |||||||
| 09 | 23:56 | Calm | 10.00 | Fair | CLR | 52 | 52 | 100% | 30.3 | 1027.5 | |||||||
| 09 | 22:56 | Calm | 10.00 | Fair | CLR | 53.1 | 52 | 96% | 30.3 | 1027.4 | |||||||
| 09 | 21:56 | Calm | 10.00 | Fair | CLR | 54 | 52 | 93% | 30.28 | 1026.7 | |||||||
| 09 | 20:56 | Calm | 10.00 | Fair | CLR | 55.9 | 52 | 87% | 30.28 | 1026.9 | |||||||
| 09 | 19:56 | Calm | 10.00 | Fair | CLR | 57.9 | 48 | 73 | 57 | 70% | 30.26 | 1026.4 | |||||
| 09 | 18:56 | SE 3 | 10.00 | Fair | CLR | 61 | 48 | 63% | 30.25 | 1025.6 | |||||||
| 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) | |||||||||||||||