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. | ||||||||||||||||
| 26 | 19:56 | NW 8 | 10.00 | Fair | CLR | 18 | 3.9 | 54% | 9 | 30.08 | 1021.0 | ||||||
| 26 | 18:56 | NW 14 | 10.00 | Fair | CLR | 18 | 3.9 | 27 | 18 | 54% | 5 | 30.06 | 1020.4 | ||||
| 26 | 17:56 | NW 22 G 26 | 10.00 | Fair and Breezy | CLR | 19 | 5 | 54% | 3 | 30.02 | 1018.7 | ||||||
| 26 | 16:56 | NW 15 G 23 | 10.00 | Mostly Cloudy | BKN050 | 21.9 | 6.1 | 50% | 10 | 29.99 | 1018.0 | ||||||
| 26 | 15:56 | NW 13 G 26 | 10.00 | Partly Cloudy | SCT048 | 24.1 | 8.1 | 50% | 13 | 29.96 | 1016.8 | ||||||
| 26 | 14:56 | NW 18 | 10.00 | Mostly Cloudy | BKN046 | 25 | 9 | 50% | 12 | 29.93 | 1015.9 | ||||||
| 26 | 13:56 | NW 20 G 25 | 10.00 | A Few Clouds | FEW043 | 26.1 | 10 | 51% | 13 | 29.91 | 1015.3 | ||||||
| 26 | 12:56 | NW 22 G 33 | 10.00 | Fair and Breezy | CLR | 26.1 | 10.9 | 27 | 16 | 53% | 13 | 29.91 | 1015.1 | ||||
| 26 | 11:56 | NW 18 G 24 | 10.00 | Overcast | OVC120 | 26.1 | 12 | 55% | 14 | 29.9 | 1015.0 | ||||||
| 26 | 09:56 | NW 16 G 29 | 10.00 | Mostly Cloudy | BKN100 | 24.1 | 15.1 | 68% | 12 | 29.91 | 1015.1 | ||||||
| 26 | 08:56 | NW 12 G 20 | 10.00 | Mostly Cloudy | BKN110 | 23 | 19 | 85% | 13 | 29.91 | 1015.1 | ||||||
| 26 | 07:56 | W 3 | 10.00 | Overcast | FEW040 OVC095 | 18 | 16 | 92% | 29.88 | 1014.2 | |||||||
| 26 | 06:56 | Calm | 10.00 | Overcast | OVC034 | 16 | 14 | 16 | 12.9 | 92% | 29.87 | 1013.8 | |||||
| 26 | 05:56 | NW 5 | 10.00 | Overcast | SCT028 BKN034 OVC090 | 16 | 14 | 92% | 10 | 29.84 | 1012.9 | ||||||
| 26 | 04:56 | Calm | 9.00 | Overcast | BKN006 OVC095 | 12.9 | 10.9 | 92% | 29.82 | 1012.0 | |||||||
| 26 | 03:56 | Calm | 8.00 | Overcast | OVC006 | 14 | 12 | 92% | 29.78 | 1011.0 | |||||||
| 26 | 02:56 | Calm | 10.00 | Overcast | OVC006 | 14 | 12 | 92% | 29.79 | 1011.2 | |||||||
| 26 | 01:56 | Vrbl 3 | 10.00 | Overcast | OVC006 | 15.1 | 12.9 | 91% | 29.78 | 1010.9 | |||||||
| 26 | 00:56 | NW 7 | 10.00 | Overcast | OVC008 | 16 | 12.9 | 17.1 | 15.1 | 88% | 7 | 29.78 | 1010.9 | 0.03 | |||
| 25 | 23:56 | W 3 | 10.00 | Overcast | OVC008 | 16 | 12.9 | 88% | 29.79 | 1011.2 | |||||||
| 25 | 22:56 | Vrbl 3 | 10.00 | Overcast | OVC008 | 16 | 12.9 | 88% | 29.78 | 1010.7 | |||||||
| 25 | 21:56 | NW 5 | 10.00 | Overcast | OVC010 | 15.1 | 12.9 | 91% | 9 | 29.81 | 1011.8 | 0.03 | |||||
| 25 | 20:56 | Vrbl 6 | 10.00 | Overcast | OVC010 | 16 | 12.9 | 88% | 8 | 29.79 | 1011.4 | ||||||
| 25 | 19:56 | NW 8 | 10.00 | Overcast | OVC010 | 17.1 | 15.1 | 92% | 7 | 29.76 | 1010.1 | 0.03 | |||||
| 25 | 18:56 | Vrbl 3 | 6.00 | Light Snow Fog/Mist | OVC012 | 16 | 14 | 19.9 | 16 | 92% | 29.77 | 1010.5 | 0.06 | 0.46 | |||
| 25 | 17:56 | NW 5 | 1.75 | Light Snow Fog/Mist | OVC014 | 17.1 | 14 | 88% | 11 | 29.81 | 1012.1 | 0.07 | |||||
| 25 | 16:56 | NW 8 | 1.50 | Light Snow Fog/Mist | OVC012 | 19 | 16 | 88% | 10 | 29.84 | 1013.0 | 0.05 | |||||
| 25 | 15:56 | Calm | 1.25 | Light Snow Fog/Mist | OVC014 | 19.9 | 18 | 92% | 29.86 | 1013.6 | 0.09 | 0.28 | |||||
| 25 | 14:56 | Calm | 1.50 | Light Snow Fog/Mist | OVC014 | 19 | 16 | 88% | 29.93 | 1015.8 | 0.1 | ||||||
| 25 | 13:56 | NE 5 | 1.00 | Light Snow Fog/Mist | BKN015 BKN024 OVC033 | 19 | 16 | 88% | 13 | 29.98 | 1017.8 | 0.09 | |||||
| 25 | 12:56 | Calm | 0.75 | Light Snow Fog/Mist | BKN019 OVC025 | 19 | 16 | 19 | 12.9 | 88% | 30.07 | 1020.7 | 0.04 | ||||
| 25 | 11:56 | Vrbl 7 | 0.75 | Light Snow Fog/Mist | OVC013 | 17.1 | 14 | 88% | 8 | 30.11 | 1021.9 | 0.04 | |||||
| 25 | 10:56 | Vrbl 6 | 1.00 | Light Snow Fog/Mist | OVC016 | 16 | 12.9 | 88% | 8 | 30.2 | 1025.2 | ||||||
| 25 | 09:56 | NE 6 | 0.75 | Light Snow Fog/Mist | OVC016 | 14 | 12 | 92% | 6 | 30.25 | 1026.9 | ||||||
| 25 | 08:56 | NE 6 | 1.25 | Light Snow Fog/Mist | OVC022 | 14 | 12 | 92% | 6 | 30.3 | 1028.6 | ||||||
| 25 | 07:56 | Vrbl 6 | 0.50 | Snow Freezing Fog | BKN010 OVC015 | 12.9 | 10.9 | 92% | 5 | 30.33 | 1029.8 | ||||||
| 25 | 06:56 | NE 6 | 0.75 | Light Snow Fog/Mist | OVC008 | 12.9 | 10.9 | 15.1 | 12.9 | 92% | 5 | 30.37 | 1031.2 | 0.06 | |||
| 25 | 05:56 | NE 5 | 0.75 | Light Snow Fog/Mist | OVC006 | 12.9 | 10.9 | 92% | 6 | 30.43 | 1033.1 | ||||||
| 25 | 04:56 | Calm | 0.75 | Light Snow Fog/Mist | OVC008 | 12.9 | 10.9 | 92% | 30.45 | 1033.8 | 0.01 | ||||||
| 25 | 03:56 | Vrbl 5 | 0.75 | Light Snow Fog/Mist | OVC011 | 12.9 | 10.9 | 92% | 6 | 30.47 | 1034.3 | 0.02 | 0.05 | ||||
| 25 | 02:56 | E 5 | 1.50 | Light Snow Fog/Mist | OVC015 | 14 | 10.9 | 88% | 7 | 30.51 | 1035.8 | 0.03 | |||||
| 25 | 01:56 | E 5 | 1.50 | Light Snow Fog/Mist | BKN020 OVC028 | 12.9 | 10 | 88% | 6 | 30.53 | 1036.3 | ||||||
| 25 | 00:56 | Vrbl 5 | 9.00 | Light Snow | OVC080 | 15.1 | 7 | 16 | 14 | 70% | 9 | 30.57 | 1037.6 | ||||
| 24 | 23:56 | SE 6 | 6.00 | Light Snow | FEW030 BKN043 OVC050 | 16 | -0 | 49% | 8 | 30.59 | 1038.3 | ||||||
| 24 | 22:56 | Vrbl 5 | 10.00 | Overcast | SCT060 OVC090 | 16 | -2.9 | 43% | 10 | 30.61 | 1039.2 | ||||||
| 24 | 21:56 | Vrbl 3 | 10.00 | Overcast | OVC095 | 16 | -2 | 45% | 30.62 | 1039.6 | |||||||
| 24 | 20:56 | Vrbl 3 | 10.00 | Overcast | BKN065 OVC080 | 16 | -4 | 41% | 30.64 | 1040.1 | |||||||
| 24 | 19:56 | N 3 | 10.00 | Overcast | OVC085 | 16 | -5.1 | 38% | 30.65 | 1040.6 | |||||||
| 24 | 18:56 | N 3 | 10.00 | Overcast | OVC100 | 16 | -5.1 | 19 | 16 | 38% | 30.65 | 1040.6 | |||||
| 24 | 17:56 | N 5 | 10.00 | Partly Cloudy | SCT120 | 16 | -6 | 37% | 10 | 30.64 | 1040.5 | ||||||
| 24 | 16:56 | N 5 | 10.00 | Fair | CLR | 16 | -6 | 37% | 10 | 30.63 | 1040.0 | ||||||
| 24 | 15:56 | Vrbl 6 | 10.00 | Fair | CLR | 18 | -6 | 34% | 11 | 30.63 | 1039.9 | ||||||
| 24 | 14:56 | Vrbl 3 | 10.00 | Overcast | OVC090 | 17.1 | -8 | 32% | 30.62 | 1039.6 | |||||||
| 24 | 13:56 | N 6 | 10.00 | A Few Clouds | FEW100 | 18 | -6 | 34% | 11 | 30.63 | 1040.0 | ||||||
| 24 | 12:56 | Vrbl 5 | 10.00 | Fair | CLR | 17.1 | -6 | 18 | 7 | 35% | 11 | 30.64 | 1040.4 | ||||
| 24 | 11:56 | Vrbl 3 | 10.00 | Fair | CLR | 16 | -7.1 | 35% | 30.68 | 1041.4 | |||||||
| 24 | 10:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW110 | 15.1 | -6 | 38% | 30.7 | 1042.3 | |||||||
| 24 | 09:56 | Vrbl 3 | 10.00 | Partly Cloudy | SCT110 | 12.9 | -6 | 42% | 30.71 | 1042.5 | |||||||
| 24 | 08:56 | NW 6 | 10.00 | A Few Clouds | FEW120 | 9 | -8 | 46% | 0 | 30.69 | 1042.0 | ||||||
| 24 | 07:56 | Vrbl 5 | 10.00 | Fair | CLR | 8.1 | -9 | 45% | 0 | 30.67 | 1041.0 | ||||||
| 24 | 06:56 | Calm | 10.00 | Fair | CLR | 7 | -8 | 12.9 | 6.1 | 50% | 30.65 | 1040.6 | |||||
| 24 | 05:56 | Vrbl 3 | 10.00 | Fair | CLR | 6.1 | -8 | 52% | 30.63 | 1039.8 | |||||||
| 24 | 04:56 | Vrbl 5 | 10.00 | Fair | CLR | 6.1 | -9 | 49% | -2 | 30.61 | 1039.2 | ||||||
| 24 | 03:56 | Vrbl 3 | 10.00 | Fair | CLR | 7 | -9.9 | 45% | 30.59 | 1038.2 | |||||||
| 24 | 02:56 | Vrbl 6 | 10.00 | Fair | CLR | 9 | -9.9 | 41% | 0 | 30.57 | 1037.5 | ||||||
| 24 | 01:56 | N 7 | 10.00 | Fair | CLR | 10.9 | -7.1 | 44% | 1 | 30.55 | 1037.0 | ||||||
| 24 | 00:56 | Vrbl 7 | 10.00 | Fair | CLR | 12.9 | -8 | 34 | 12.9 | 38% | 4 | 30.53 | 1036.2 | ||||
| 23 | 23:56 | Vrbl 6 G 17 | 10.00 | Fair | CLR | 15.1 | -7.1 | 36% | 7 | 30.49 | 1034.9 | ||||||
| 23 | 22:56 | N 12 G 20 | 10.00 | Fair | CLR | 17.1 | -0.9 | 45% | 5 | 30.47 | 1034.2 | ||||||
| 23 | 21:56 | N 10 G 21 | 10.00 | Fair | CLR | 19.9 | 3 | 48% | 9 | 30.44 | 1032.9 | ||||||
| 23 | 20:56 | NW 12 G 22 | 10.00 | Fair | CLR | 25 | 3.9 | 40% | 15 | 30.37 | 1030.6 | ||||||
| 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) | |||||||||||||||