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. | ||||||||||||||||
| 25 | 12:56 | SE 13 | 10.00 | Partly Cloudy | SCT090 | 53.1 | 30.9 | 43% | 30.33 | 1028.7 | |||||||
| 25 | 11:56 | S 10 | 10.00 | Partly Cloudy | SCT110 | 51.1 | 30.9 | 46% | 30.36 | 1029.8 | |||||||
| 25 | 10:56 | S 7 | 10.00 | Overcast | OVC095 | 50 | 30.9 | 48% | 48 | 30.37 | 1030.2 | ||||||
| 25 | 09:56 | S 9 | 10.00 | Fair | CLR | 48 | 30.9 | 52% | 44 | 30.37 | 1030.2 | ||||||
| 25 | 08:56 | SW 8 | 10.00 | A Few Clouds | FEW100 | 43 | 30 | 60% | 39 | 30.37 | 1030.1 | ||||||
| 25 | 07:56 | S 5 | 10.00 | Mostly Cloudy | BKN110 | 39.9 | 30 | 42.1 | 39 | 68% | 37 | 30.38 | 1030.3 | ||||
| 25 | 06:56 | S 6 | 10.00 | Fair | CLR | 39.9 | 30.9 | 70% | 36 | 30.36 | 1029.9 | ||||||
| 25 | 05:56 | Vrbl 5 | 10.00 | Fair | CLR | 39 | 30.9 | 73% | 36 | 30.36 | 1029.7 | ||||||
| 25 | 04:56 | S 6 | 10.00 | Fair | CLR | 39.9 | 30 | 68% | 36 | 30.35 | 1029.3 | ||||||
| 25 | 03:56 | S 3 | 10.00 | Fair | CLR | 39.9 | 30 | 68% | 30.35 | 1029.5 | |||||||
| 25 | 02:56 | S 7 | 10.00 | Fair | CLR | 41 | 30 | 65% | 37 | 30.36 | 1029.6 | ||||||
| 25 | 01:56 | S 5 | 10.00 | Mostly Cloudy | BKN110 | 42.1 | 28.9 | 48 | 39.9 | 60% | 40 | 30.36 | 1029.7 | ||||
| 25 | 00:56 | SE 5 | 10.00 | Fair | CLR | 42.1 | 28 | 58% | 40 | 30.37 | 1030.1 | ||||||
| 24 | 23:56 | SE 5 | 10.00 | Fair | CLR | 39.9 | 27 | 60% | 37 | 30.37 | 1030.3 | ||||||
| 24 | 22:56 | Calm | 10.00 | Fair | CLR | 42.1 | 26.1 | 53% | 30.37 | 1030.2 | |||||||
| 24 | 21:56 | SE 7 | 10.00 | Fair | CLR | 43 | 21 | 42% | 39 | 30.37 | 1030.2 | ||||||
| 24 | 20:56 | SE 5 | 10.00 | Fair | CLR | 45 | 19 | 35% | 43 | 30.37 | 1030.2 | ||||||
| 24 | 19:56 | Calm | 10.00 | Fair | CLR | 48 | 17.1 | 52 | 46 | 29% | 30.35 | 1029.6 | |||||
| 24 | 18:56 | SW 5 | 10.00 | Fair | CLR | 48 | 15.1 | 27% | 47 | 30.35 | 1029.6 | ||||||
| 24 | 17:56 | SW 8 | 10.00 | Fair | CLR | 51.1 | 18 | 27% | 30.34 | 1029.4 | |||||||
| 24 | 16:56 | Vrbl 6 | 10.00 | Fair | CLR | 51.1 | 19 | 28% | 30.34 | 1029.3 | |||||||
| 24 | 15:56 | W 6 | 10.00 | Fair | CLR | 48.9 | 18 | 29% | 47 | 30.36 | 1030.1 | ||||||
| 24 | 14:56 | S 6 | 10.00 | Fair | CLR | 50 | 18 | 28% | 48 | 30.39 | 1030.7 | ||||||
| 24 | 13:56 | Calm | 10.00 | Fair | CLR | 48 | 18 | 48 | 28.9 | 30% | 30.41 | 1031.7 | |||||
| 24 | 12:56 | Calm | 10.00 | Fair | CLR | 46 | 19 | 34% | 30.44 | 1032.7 | |||||||
| 24 | 11:56 | E 3 | 10.00 | Fair | CLR | 44.1 | 18 | 35% | 30.46 | 1033.4 | |||||||
| 24 | 09:56 | N 6 | 10.00 | Fair | CLR | 39 | 19 | 45% | 35 | 30.46 | 1033.5 | ||||||
| 24 | 08:56 | N 7 | 10.00 | Fair | CLR | 35.1 | 19 | 52% | 30 | 30.44 | 1032.6 | ||||||
| 24 | 07:56 | W 5 | 10.00 | Fair | CLR | 28.9 | 21 | 35.1 | 28 | 72% | 25 | 30.42 | 1032.2 | ||||
| 24 | 06:56 | W 3 | 10.00 | Fair | CLR | 28 | 19 | 69% | 30.4 | 1031.5 | |||||||
| 24 | 05:56 | NW 3 | 10.00 | Fair | CLR | 28.9 | 21 | 72% | 30.37 | 1030.4 | |||||||
| 24 | 04:56 | NW 3 | 10.00 | Fair | CLR | 28.9 | 21.9 | 75% | 30.36 | 1030.1 | |||||||
| 24 | 03:56 | NW 3 | 10.00 | Fair | CLR | 32 | 19.9 | 61% | 30.35 | 1029.6 | |||||||
| 24 | 02:56 | NW 7 | 10.00 | Fair | CLR | 33.1 | 19 | 56% | 28 | 30.34 | 1029.2 | ||||||
| 24 | 01:56 | NW 8 | 10.00 | Fair | CLR | 35.1 | 19 | 44.1 | 35.1 | 52% | 29 | 30.33 | 1028.8 | ||||
| 24 | 00:56 | NW 7 | 10.00 | Fair | CLR | 36 | 19.9 | 52% | 31 | 30.32 | 1028.3 | ||||||
| 23 | 23:56 | NW 9 G 18 | 10.00 | Overcast | OVC060 | 37.9 | 21 | 51% | 32 | 30.3 | 1027.5 | ||||||
| 23 | 22:56 | NW 15 G 22 | 10.00 | A Few Clouds | FEW065 | 39 | 21 | 48% | 31 | 30.27 | 1026.8 | ||||||
| 23 | 21:56 | Vrbl 6 G 21 | 10.00 | Partly Cloudy | SCT065 | 42.1 | 23 | 47% | 39 | 30.25 | 1026.1 | ||||||
| 23 | 20:56 | Vrbl 7 | 10.00 | Mostly Cloudy | FEW048 BKN065 | 43 | 26.1 | 51% | 39 | 30.22 | 1025.0 | ||||||
| 23 | 19:56 | Vrbl 3 | 10.00 | Overcast | OVC060 | 44.1 | 28 | 57 | 44.1 | 53% | 30.18 | 1023.8 | |||||
| 23 | 18:56 | N 5 | 10.00 | Overcast | OVC060 | 45 | 27 | 49% | 43 | 30.16 | 1022.8 | ||||||
| 23 | 17:56 | NW 10 G 28 | 10.00 | Overcast | OVC050 | 46.9 | 27 | 46% | 43 | 30.12 | 1021.4 | ||||||
| 23 | 16:56 | NW 13 G 30 | 10.00 | Mostly Cloudy | BKN050 | 50 | 28 | 43% | 46 | 30.06 | 1019.4 | ||||||
| 23 | 15:56 | NW 12 G 35 | 10.00 | A Few Clouds | FEW044 | 50 | 30.9 | 48% | 46 | 30.02 | 1017.9 | ||||||
| 23 | 14:56 | NW 17 G 26 | 10.00 | Overcast | OVC042 | 54 | 35.1 | 49% | 29.97 | 1016.1 | |||||||
| 23 | 13:56 | NW 14 G 29 | 10.00 | Mostly Cloudy | BKN035 | 57 | 39.9 | 64 | 55 | 53% | 29.95 | 1015.4 | |||||
| 23 | 12:56 | N 10 G 16 | 10.00 | Mostly Cloudy | FEW020 BKN025 BKN032 | 57.9 | 46.9 | 67% | 29.92 | 1014.4 | |||||||
| 23 | 11:56 | N 9 G 22 | 10.00 | Overcast | FEW021 BKN025 OVC035 | 55.9 | 51.1 | 84% | 29.88 | 1013.0 | |||||||
| 23 | 10:56 | NW 18 G 26 | 10.00 | Overcast | BKN027 OVC040 | 63 | 54 | 73% | 29.81 | 1010.6 | |||||||
| 23 | 09:56 | W 8 | 10.00 | Partly Cloudy | SCT041 | 60.8 | 0 | 0% | 29.78 | 1009.4 | |||||||
| 23 | 08:56 | W 5 | 10.00 | Overcast | OVC037 | 57.2 | 0 | 0% | 29.75 | 1008.4 | |||||||
| 23 | 07:56 | W 3 | 8.00 | Fair | CLR | 55.4 | 0 | 62.1 | 55 | 0% | 29.72 | 1007.6 | 0.09 | ||||
| 23 | 06:56 | Calm | 10.00 | Mostly Cloudy | SCT100 BKN110 | 55.4 | 0 | 0% | 29.68 | 1006.1 | 0.05 | ||||||
| 23 | 05:56 | Calm | 7.00 | Rain | BKN080 OVC100 | 57 | 57 | 100% | 29.7 | 1006.8 | 0.04 | ||||||
| 23 | 04:56 | Calm | 10.00 | Overcast | OVC060 | 59 | 55 | 87% | 29.72 | 1007.4 | |||||||
| 23 | 03:56 | N 9 | 10.00 | Overcast | OVC011 | 60.1 | 60.1 | 100% | 29.71 | 1007.2 | |||||||
| 23 | 02:56 | Vrbl 5 | 10.00 | Fair | CLR | 60.1 | 60.1 | 100% | 29.67 | 1005.9 | |||||||
| 23 | 01:56 | Vrbl 5 | 10.00 | Fair | CLR | 62.1 | 57 | 77 | 61 | 84% | 29.66 | 1005.2 | |||||
| 23 | 00:56 | Calm | 10.00 | Fair | CLR | 63 | 54 | 73% | 29.63 | 1004.3 | |||||||
| 22 | 23:56 | E 5 | 10.00 | Fair | CLR | 66 | 53.1 | 63% | 29.63 | 1004.2 | |||||||
| 22 | 22:56 | NE 7 | 10.00 | A Few Clouds | FEW120 | 69.1 | 52 | 55% | 29.65 | 1005.1 | |||||||
| 22 | 21:56 | Calm | 10.00 | Fair | CLR | 70 | 48.9 | 47% | 29.65 | 1005.2 | |||||||
| 22 | 20:56 | Calm | 10.00 | Fair | CLR | 72 | 48 | 43% | 29.64 | 1005.1 | |||||||
| 22 | 19:56 | S 7 | 10.00 | Fair | CLR | 75.9 | 48 | 84 | 75.9 | 37% | 78 | 29.62 | 1004.4 | ||||
| 22 | 18:56 | S 9 | 10.00 | Fair | CLR | 81 | 46.9 | 30% | 80 | 29.61 | 1003.9 | ||||||
| 22 | 17:56 | S 10 G 22 | 10.00 | Fair | CLR | 82.9 | 48.9 | 31% | 81 | 29.61 | 1003.7 | ||||||
| 22 | 16:56 | S 13 G 20 | 10.00 | Fair | CLR | 82.9 | 51.1 | 33% | 81 | 29.64 | 1004.7 | ||||||
| 22 | 15:56 | S 12 | 10.00 | Fair | CLR | 82.9 | 51.1 | 33% | 81 | 29.67 | 1005.7 | ||||||
| 22 | 14:56 | S 9 | 10.00 | Fair | CLR | 82 | 51.1 | 34% | 81 | 29.71 | 1007.0 | ||||||
| 22 | 13:56 | S 7 | 10.00 | Fair | CLR | 77 | 50 | 78.1 | 46 | 39% | 78 | 29.76 | 1008.6 | ||||
| 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) | |||||||||||||||