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. | ||||||||||||||||
| 05 | 12:56 | W 10 | 10.00 | Light Rain | FEW012 BKN028 OVC080 | 59 | 0 | 0% | 29.89 | 1013.2 | 0.05 | ||||||
| 05 | 11:56 | W 5 | 9.00 | Light Rain | OVC075 | 60.8 | 0 | 0% | 29.89 | 1013.3 | 0.13 | ||||||
| 05 | 10:56 | NW 12 | 5.00 | Rain | BKN013 BKN028 OVC036 | 60.8 | 0 | 0% | 29.89 | 1013.0 | 0.15 | 0.15 | |||||
| 05 | 09:56 | SW 16 G 22 | 10.00 | Overcast | OVC027 | 72 | 62.1 | 71% | 29.87 | 1012.3 | |||||||
| 05 | 08:56 | SW 15 G 23 | 10.00 | A Few Clouds | FEW026 | 71.1 | 62.1 | 73% | 29.85 | 1011.8 | |||||||
| 05 | 07:56 | SW 15 G 21 | 10.00 | Fair | CLR | 70 | 62.1 | 73 | 69.1 | 76% | 29.87 | 1012.3 | |||||
| 05 | 06:56 | S 10 G 17 | 10.00 | Fair | CLR | 69.1 | 60.1 | 73% | 29.86 | 1012.1 | |||||||
| 05 | 05:56 | SW 14 G 22 | 10.00 | Fair | CLR | 70 | 59 | 68% | 29.88 | 1012.4 | |||||||
| 05 | 04:56 | SW 12 G 17 | 10.00 | Fair | CLR | 72 | 57.9 | 61% | 29.88 | 1012.7 | |||||||
| 05 | 03:56 | SW 14 G 22 | 10.00 | A Few Clouds | FEW120 | 72 | 57.9 | 61% | 29.89 | 1013.0 | |||||||
| 05 | 02:56 | S 10 G 17 | 10.00 | Fair | CLR | 72 | 57.9 | 61% | 29.92 | 1013.8 | |||||||
| 05 | 01:56 | S 9 | 10.00 | Fair | CLR | 71.1 | 59 | 79 | 71.1 | 66% | 29.94 | 1014.6 | |||||
| 05 | 00:56 | SE 10 | 10.00 | Fair | CLR | 72 | 57.9 | 61% | 29.96 | 1015.3 | |||||||
| 04 | 23:56 | S 10 | 10.00 | Fair | CLR | 73.9 | 57.9 | 57% | 29.98 | 1016.0 | |||||||
| 04 | 22:56 | S 10 | 10.00 | Fair | CLR | 75.9 | 57.9 | 54% | 78 | 30 | 1016.6 | ||||||
| 04 | 21:56 | S 10 G 18 | 10.00 | Fair | CLR | 77 | 57 | 50% | 79 | 30.01 | 1017.1 | ||||||
| 04 | 20:56 | S 10 | 10.00 | Fair | CLR | 77 | 55 | 47% | 78 | 30 | 1016.7 | ||||||
| 04 | 19:56 | S 8 | 10.00 | A Few Clouds | FEW070 | 79 | 55 | 87.1 | 79 | 44% | 80 | 30 | 1016.9 | ||||
| 04 | 18:56 | S 13 G 20 | 10.00 | Fair | CLR | 82 | 55 | 40% | 81 | 30 | 1016.9 | ||||||
| 04 | 17:56 | S 14 G 26 | 10.00 | Fair | CLR | 84.9 | 54 | 35% | 83 | 30.01 | 1017.0 | ||||||
| 04 | 16:56 | S 14 G 18 | 10.00 | Partly Cloudy | SCT070 | 84.9 | 55.9 | 37% | 84 | 30.02 | 1017.5 | ||||||
| 04 | 15:56 | SE 9 G 18 | 10.00 | Fair | CLR | 86 | 60.1 | 42% | 86 | 30.05 | 1018.4 | ||||||
| 04 | 14:56 | S 8 G 17 | 10.00 | Fair | CLR | 86 | 60.1 | 42% | 86 | 30.08 | 1019.4 | ||||||
| 04 | 13:56 | S 9 | 10.00 | Fair | CLR | 87.1 | 61 | 87.1 | 61 | 42% | 87 | 30.11 | 1020.2 | ||||
| 04 | 12:56 | SE 6 | 10.00 | Fair | CLR | 84 | 61 | 46% | 84 | 30.13 | 1021.0 | ||||||
| 04 | 11:56 | Vrbl 3 | 10.00 | Fair | CLR | 81 | 62.1 | 53% | 82 | 30.15 | 1021.9 | ||||||
| 04 | 10:56 | S 7 | 10.00 | Partly Cloudy | SCT095 | 77 | 62.1 | 60% | 79 | 30.17 | 1022.4 | ||||||
| 04 | 09:56 | W 6 | 10.00 | Mostly Cloudy | BKN100 | 69.1 | 64 | 84% | 30.18 | 1023.1 | |||||||
| 04 | 08:56 | SW 7 | 10.00 | A Few Clouds | FEW120 | 70 | 62.1 | 76% | 30.18 | 1023.0 | |||||||
| 04 | 07:56 | Calm | 10.00 | Fair | CLR | 61 | 61 | 70 | 60.1 | 100% | 30.18 | 1023.1 | |||||
| 04 | 06:56 | Calm | 10.00 | A Few Clouds | FEW120 | 61 | 61 | 100% | 30.17 | 1022.7 | |||||||
| 04 | 05:56 | Calm | 10.00 | Fair | CLR | 64 | 60.1 | 87% | 30.15 | 1022.1 | |||||||
| 04 | 04:56 | S 3 | 10.00 | A Few Clouds | FEW080 | 68 | 57.9 | 70% | 30.16 | 1022.0 | |||||||
| 04 | 03:56 | SW 3 | 10.00 | A Few Clouds | FEW080 | 68 | 57 | 68% | 30.16 | 1022.3 | |||||||
| 04 | 02:56 | SW 3 | 10.00 | Overcast | OVC085 | 69.1 | 57 | 66% | 30.17 | 1022.6 | |||||||
| 04 | 01:56 | SW 3 | 10.00 | Mostly Cloudy | BKN090 | 69.1 | 57 | 78.1 | 66.9 | 66% | 30.17 | 1022.6 | |||||
| 04 | 00:56 | Calm | 10.00 | Fair | CLR | 66.9 | 57.9 | 73% | 30.17 | 1022.6 | |||||||
| 03 | 23:56 | Calm | 10.00 | Fair | CLR | 72 | 57 | 59% | 30.16 | 1022.4 | |||||||
| 03 | 22:56 | Calm | 10.00 | A Few Clouds | FEW110 | 72 | 57 | 59% | 30.16 | 1022.6 | |||||||
| 03 | 21:56 | S 5 | 10.00 | Overcast | FEW080 OVC110 | 73.9 | 57.9 | 57% | 30.16 | 1022.3 | |||||||
| 03 | 20:56 | S 3 | 10.00 | Mostly Cloudy | BKN085 BKN110 | 75.9 | 57 | 52% | 78 | 30.15 | 1022.2 | ||||||
| 03 | 19:56 | S 5 | 10.00 | Overcast | OVC110 | 78.1 | 57 | 82 | 69.1 | 48% | 79 | 30.14 | 1021.8 | ||||
| 03 | 18:56 | S 7 | 10.00 | Overcast | OVC075 | 80.1 | 57.9 | 47% | 81 | 30.14 | 1021.8 | ||||||
| 03 | 17:56 | SW 8 | 10.00 | Mostly Cloudy | BKN075 | 81 | 57.9 | 45% | 81 | 30.14 | 1021.8 | ||||||
| 03 | 16:56 | S 7 | 10.00 | Fair | CLR | 81 | 60.1 | 49% | 82 | 30.15 | 1022.3 | ||||||
| 03 | 15:56 | S 9 | 10.00 | Fair | CLR | 78.1 | 61 | 56% | 80 | 30.17 | 1023.0 | ||||||
| 03 | 14:56 | S 7 | 10.00 | Fair | CLR | 73 | 60.1 | 64% | 30.2 | 1024.0 | |||||||
| 03 | 13:56 | Vrbl 7 | 10.00 | Fair | CLR | 69.1 | 59 | 69.1 | 46.9 | 70% | 30.23 | 1024.8 | |||||
| 03 | 12:56 | S 9 | 10.00 | Overcast | OVC012 | 63 | 59 | 87% | 30.25 | 1025.7 | |||||||
| 03 | 11:56 | SW 7 | 10.00 | Overcast | OVC006 | 55.4 | 0 | 0% | 30.28 | 1026.8 | |||||||
| 03 | 10:56 | Vrbl 6 | 3.00 | Fog/Mist | OVC002 | 53.6 | 0 | 0% | 30.29 | 1027.4 | |||||||
| 03 | 09:56 | S 8 | 0.50 | Fog | OVC002 | 51.8 | 0 | 0% | 30.29 | 1027.3 | |||||||
| 03 | 08:56 | S 5 | 0.50 | Fog | OVC002 | 48.2 | 0 | 0% | 47 | 30.31 | 1028.0 | ||||||
| 03 | 07:56 | SE 6 | 0.50 | Fog | OVC002 | 46.4 | 0 | 46.9 | 46 | 0% | 44 | 30.31 | 1028.1 | ||||
| 03 | 04:56 | Calm | 1.75 | Fog/Mist | OVC002 | 46.4 | 0 | 0% | 30.31 | 1028.0 | |||||||
| 03 | 01:56 | E 3 | 4.00 | Overcast with Haze | OVC004 | 46.4 | 0 | 46.9 | 46 | 0% | 30.34 | 1028.9 | |||||
| 03 | 00:56 | E 6 | 3.00 | Fog/Mist | OVC004 | 46.4 | 0 | 0% | 44 | 30.35 | 1029.4 | ||||||
| 02 | 23:56 | E 5 | 3.00 | Fog/Mist | OVC004 | 46.4 | 0 | 0% | 45 | 30.35 | 1029.4 | ||||||
| 02 | 22:56 | E 6 | 2.50 | Fog/Mist | OVC004 | 46.4 | 0 | 0% | 44 | 30.34 | 1029.1 | ||||||
| 02 | 21:56 | Vrbl 7 | 3.00 | Fog/Mist | OVC004 | 46.4 | 0 | 0% | 43 | 30.34 | 1029.1 | ||||||
| 02 | 20:56 | E 7 | 3.00 | Fog/Mist | OVC004 | 46.4 | 0 | 0% | 43 | 30.33 | 1028.5 | ||||||
| 02 | 19:56 | E 6 | 2.50 | Fog/Mist | OVC002 | 48.2 | 0 | 53.1 | 48 | 0% | 46 | 30.32 | 1028.3 | ||||
| 02 | 18:56 | E 10 | 3.00 | Fog/Mist | OVC004 | 48.2 | 0 | 0% | 44 | 30.31 | 1027.7 | ||||||
| 02 | 17:56 | Vrbl 6 | 7.00 | Overcast | OVC004 | 50 | 0 | 0% | 48 | 30.3 | 1027.5 | ||||||
| 02 | 16:56 | Vrbl 3 | 9.00 | Overcast | OVC004 | 51.8 | 0 | 0% | 30.31 | 1027.7 | |||||||
| 02 | 15:56 | Vrbl 7 | 7.00 | Overcast | OVC004 | 51.8 | 0 | 0% | 30.31 | 1027.7 | |||||||
| 02 | 14:56 | E 7 | 4.00 | Overcast with Haze | OVC004 | 51.8 | 0 | 0% | 30.32 | 1028.1 | |||||||
| 02 | 13:56 | Vrbl 6 | 6.00 | Overcast with Haze | OVC004 | 51.8 | 0 | 55.9 | 52 | 0% | 30.33 | 1028.5 | |||||
| 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) | |||||||||||||||