Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
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.
01 11:56 Calm 10.00 Fair CLR 64 39 40% 30.56 1036.2
01 10:56 SE 7 10.00 Fair CLR 61 39 44% 30.58 1036.9
01 09:56 Calm 10.00 Fair CLR 60.1 41 50% 30.58 1037.0
01 08:56 Vrbl 7 10.00 Fair CLR 55 41 59% 30.58 1037.0
01 07:56 Calm 10.00 Fair CLR 50 39 66% 30.57 1036.9
01 06:56 Calm 10.00 Fair CLR 39.9 39.9 44.1 39.9 100% 30.54 1036.1
01 05:56 Calm 10.00 Fair CLR 41 41 100% 30.53 1035.3
01 04:56 Calm 10.00 Fair CLR 42.1 42.1 100% 30.52 1035.1
01 03:56 Calm 10.00 Fair CLR 43 43 100% 30.5 1034.4
01 02:56 Calm 10.00 Fair CLR 44.1 43 96% 30.5 1034.3
01 01:56 Calm 10.00 Fair CLR 44.1 44.1 100% 30.5 1034.6
01 01:56 Calm 10.00 Fair CLR 44.1 42.1 51.1 44.1 93% 30.5 1034.5
01 00:56 Calm 10.00 Fair CLR 44.1 44.1 100% 30.51 1034.7
31 23:56 Calm 10.00 Fair CLR 46 42.1 86% 30.51 1034.7
31 22:56 Calm 10.00 Fair CLR 46 43 89% 30.51 1034.7
31 21:56 Calm 10.00 Partly Cloudy SCT120 48 41 77% 30.5 1034.4
31 20:56 Calm 10.00 Fair CLR 48.9 39.9 71% 30.49 1034.2
31 19:56 Calm 10.00 Fair CLR 51.1 39.9 61 51.1 66% 30.49 1034.2
31 18:56 Calm 10.00 Fair CLR 53.1 39.9 61% 30.48 1034.0
31 17:56 Vrbl 3 10.00 Fair CLR 57 37.9 49% 30.47 1033.3
31 16:56 W 6 10.00 Fair CLR 59 41 51% 30.46 1033.2
31 15:56 W 5 10.00 Fair CLR 59 39.9 49% 30.45 1032.8
31 14:56 W 6 10.00 Fair CLR 59 39 48% 30.46 1033.0
31 13:56 Vrbl 3 10.00 Fair CLR 60.1 39 61 39 46% 30.47 1033.2
31 12:56 Vrbl 7 10.00 Fair CLR 60.1 41 50% 30.49 1033.9
31 11:56 Calm 10.00 Fair CLR 57 39.9 53% 30.5 1034.6
31 10:56 Vrbl 3 10.00 Fair CLR 55.9 39.9 55% 30.51 1034.6
31 09:56 Calm 10.00 Fair CLR 54 41 62% 30.51 1034.5
31 08:56 Calm 10.00 Fair CLR 45 41 86% 30.49 1034.0
31 07:56 Calm 10.00 Fair CLR 39.9 39.9 46.9 39 100% 30.46 1033.3
31 06:56 Calm 10.00 Fair CLR 39 39 100% 30.44 1032.4
31 05:56 Calm 10.00 Fair CLR 39.9 39.9 100% 30.43 1032.0
31 04:56 Calm 10.00 Fair CLR 41 39.9 96% 30.41 1031.4
31 03:56 Calm 10.00 Fair CLR 43 39.9 89% 30.4 1030.7
31 02:56 Calm 10.00 Fair CLR 45 39 80% 30.39 1030.4
31 01:56 Calm 10.00 Fair CLR 46 39.9 59 45 79% 30.37 1029.8
31 00:56 Calm 10.00 Fair CLR 46 39.9 79% 30.36 1029.4
30 23:56 Calm 10.00 Fair CLR 46 39.9 79% 30.35 1029.2
30 22:56 Calm 10.00 Fair CLR 50 39 66% 30.34 1028.7
30 21:56 Calm 10.00 Fair CLR 53.1 37.9 57% 30.32 1027.9
30 20:56 Calm 10.00 Fair CLR 55.9 37.9 51% 30.3 1027.4
30 19:56 Calm 10.00 Fair CLR 59 37.9 73.9 57.9 46% 30.28 1026.6
30 18:56 Vrbl 5 10.00 Fair CLR 62.1 37 40% 30.25 1025.5
30 17:56 NW 6 10.00 Fair CLR 64.9 37.9 37% 30.2 1024.0
30 16:56 NW 13 G 18 10.00 Fair CLR 69.1 39.9 35% 30.18 1023.1
30 15:56 NW 8 G 17 10.00 Fair CLR 72 39 30% 30.16 1022.4
30 14:56 W 14 G 20 10.00 Fair CLR 72 42.1 34% 30.13 1021.7
30 13:56 NW 12 G 22 10.00 Fair CLR 73 43 73 48.9 34% 30.15 1022.0
30 12:56 NW 12 G 20 10.00 Fair CLR 73 48 41% 30.16 1022.3
30 11:56 NW 14 G 22 10.00 Fair CLR 71.1 50 47% 30.16 1022.5
30 10:56 NW 12 G 22 10.00 Fair CLR 70 52 53% 30.16 1022.3
30 09:56 W 8 10.00 Fair CLR 64.9 52 63% 30.15 1022.0
30 08:56 Calm 9.00 Fair CLR 54 54 100% 30.14 1022.0
30 07:56 Calm 2.50 Fog/Mist CLR 48.9 48.9 53.1 48 100% 30.13 1021.7
30 06:56 Calm 5.00 Fog/Mist CLR 50 50 100% 30.12 1021.1
30 05:56 Calm 6.00 Fog/Mist CLR 51.1 51.1 100% 30.12 1021.2
30 04:56 Calm 4.00 Fog/Mist CLR 48.9 48.9 100% 30.11 1020.9
30 03:56 Calm 6.00 Fog/Mist CLR 50 50 100% 30.11 1021.1
30 02:56 Calm 9.00 Fair CLR 51.1 51.1 100% 30.12 1021.4
30 01:56 Calm 8.00 Fair CLR 52 52 63 52 100% 30.13 1021.7
30 00:56 Calm 10.00 Fair CLR 54 54 100% 30.14 1021.9
29 23:56 Calm 10.00 Fair CLR 55.9 55.9 100% 30.15 1022.3
29 22:56 Calm 10.00 Fair CLR 60.1 54 80% 30.15 1022.1
29 21:56 S 5 10.00 Fair CLR 62.1 54 75% 30.15 1022.3
29 20:56 S 3 10.00 Fair CLR 62.1 54 75% 30.16 1022.4
29 19:56 S 5 10.00 Fair CLR 63 55 73 62.1 76% 30.16 1022.7
29 18:56 S 6 10.00 Fair CLR 64.9 53.1 66% 30.15 1022.2
29 17:56 S 5 10.00 Fair CLR 69.1 53.1 57% 30.16 1022.6
29 16:56 SW 5 10.00 Fair CLR 72 54 53% 30.17 1022.8
29 15:56 Calm 10.00 Fair CLR 72 53.1 52% 30.18 1023.2
29 14:56 W 5 10.00 Fair CLR 71.1 55 57% 30.2 1023.9
29 13:56 S 7 10.00 Fair CLR 71.1 55 72 48.9 57% 30.22 1024.7
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)