Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
02 06:56 Calm 16.09 Fair CLR 6.1 5 6.7 4.4 93% 77.34 1032.8
02 05:56 Calm 16.09 Fair CLR 6.1 5 93% 77.32 1032.3
02 04:56 SE 6 16.09 Fair CLR 6.1 4.4 89% 77.32 1032.5
02 03:56 Calm 16.09 Fair CLR 5 5 100% 77.32 1032.3
02 02:56 Calm 16.09 Fair CLR 5.6 4.4 92% 77.34 1032.8
02 01:56 Calm 16.09 Fair CLR 5 4.4 96% 77.39 1033.4
02 00:56 Calm 16.09 Fair CLR 5.6 3.9 11.1 5.6 89% 77.39 1033.3
01 23:56 Calm 16.09 Fair CLR 6.1 4.4 89% 77.39 1033.3
01 22:56 Calm 16.09 Fair CLR 7.2 3.9 80% 77.42 1033.7
01 21:56 Calm 16.09 Fair CLR 7.2 4.4 83% 77.42 1033.8
01 20:56 Calm 16.09 Fair CLR 8.9 3.3 68% 77.44 1033.9
01 19:56 Calm 16.09 Fair CLR 9.4 3.3 66% 77.44 1034.2
01 18:56 Calm 16.09 Fair CLR 11.1 3.9 18.9 11.1 61% 77.42 1034.0
01 17:56 SE 7 16.09 Fair CLR 12.2 3.9 57% 77.42 1033.9
01 16:56 SE 9 16.09 Fair CLR 15 3.3 46% 77.44 1034.0
01 15:56 SE 13 16.09 Fair CLR 17.2 2.8 38% 77.44 1034.0
01 14:56 SE 15 16.09 Fair CLR 18.3 3.9 39% 77.44 1033.8
01 13:56 Vrbl 6 16.09 Fair CLR 17.2 3.9 41% 77.44 1034.0
01 11:56 Calm 16.09 Fair CLR 17.8 3.9 40% 77.62 1036.2
01 10:56 SE 11 16.09 Fair CLR 16.1 3.9 44% 77.67 1036.9
01 09:56 Calm 16.09 Fair CLR 15.6 5 50% 77.67 1037.0
01 08:56 Vrbl 11 16.09 Fair CLR 12.8 5 59% 77.67 1037.0
01 07:56 Calm 16.09 Fair CLR 10 3.9 66% 77.65 1036.9
01 06:56 Calm 16.09 Fair CLR 4.4 4.4 6.7 4.4 100% 77.57 1036.1
01 05:56 Calm 16.09 Fair CLR 5 5 100% 77.55 1035.3
01 04:56 Calm 16.09 Fair CLR 5.6 5.6 100% 77.52 1035.1
01 03:56 Calm 16.09 Fair CLR 6.1 6.1 100% 77.47 1034.4
01 02:56 Calm 16.09 Fair CLR 6.7 6.1 96% 77.47 1034.3
01 01:56 Calm 16.09 Fair CLR 6.7 6.7 100% 77.47 1034.6
01 01:56 Calm 16.09 Fair CLR 6.7 5.6 10.6 6.7 93% 77.47 1034.5
01 00:56 Calm 16.09 Fair CLR 6.7 6.7 100% 77.5 1034.7
31 23:56 Calm 16.09 Fair CLR 7.8 5.6 86% 77.5 1034.7
31 22:56 Calm 16.09 Fair CLR 7.8 6.1 89% 77.5 1034.7
31 21:56 Calm 16.09 Partly Cloudy SCT120 8.9 5 77% 77.47 1034.4
31 20:56 Calm 16.09 Fair CLR 9.4 4.4 71% 77.44 1034.2
31 19:56 Calm 16.09 Fair CLR 10.6 4.4 16.1 10.6 66% 77.44 1034.2
31 18:56 Calm 16.09 Fair CLR 11.7 4.4 61% 77.42 1034.0
31 17:56 Vrbl 6 16.09 Fair CLR 13.9 3.3 49% 77.39 1033.3
31 16:56 W 9 16.09 Fair CLR 15 5 51% 77.37 1033.2
31 15:56 W 7 16.09 Fair CLR 15 4.4 49% 77.34 1032.8
31 14:56 W 9 16.09 Fair CLR 15 3.9 48% 77.37 1033.0
31 13:56 Vrbl 6 16.09 Fair CLR 15.6 3.9 16.1 3.9 46% 77.39 1033.2
31 12:56 Vrbl 11 16.09 Fair CLR 15.6 5 50% 77.44 1033.9
31 11:56 Calm 16.09 Fair CLR 13.9 4.4 53% 77.47 1034.6
31 10:56 Vrbl 6 16.09 Fair CLR 13.3 4.4 55% 77.5 1034.6
31 09:56 Calm 16.09 Fair CLR 12.2 5 62% 77.5 1034.5
31 08:56 Calm 16.09 Fair CLR 7.2 5 86% 77.44 1034.0
31 07:56 Calm 16.09 Fair CLR 4.4 4.4 8.3 3.9 100% 77.37 1033.3
31 06:56 Calm 16.09 Fair CLR 3.9 3.9 100% 77.32 1032.4
31 05:56 Calm 16.09 Fair CLR 4.4 4.4 100% 77.29 1032.0
31 04:56 Calm 16.09 Fair CLR 5 4.4 96% 77.24 1031.4
31 03:56 Calm 16.09 Fair CLR 6.1 4.4 89% 77.22 1030.7
31 02:56 Calm 16.09 Fair CLR 7.2 3.9 80% 77.19 1030.4
31 01:56 Calm 16.09 Fair CLR 7.8 4.4 15 7.2 79% 77.14 1029.8
31 00:56 Calm 16.09 Fair CLR 7.8 4.4 79% 77.11 1029.4
30 23:56 Calm 16.09 Fair CLR 7.8 4.4 79% 77.09 1029.2
30 22:56 Calm 16.09 Fair CLR 10 3.9 66% 77.06 1028.7
30 21:56 Calm 16.09 Fair CLR 11.7 3.3 57% 77.01 1027.9
30 20:56 Calm 16.09 Fair CLR 13.3 3.3 51% 76.96 1027.4
30 19:56 Calm 16.09 Fair CLR 15 3.3 23.3 14.4 46% 76.91 1026.6
30 18:56 Vrbl 7 16.09 Fair CLR 16.7 2.8 40% 76.84 1025.5
30 17:56 NW 9 16.09 Fair CLR 18.3 3.3 37% 76.71 1024.0
30 16:56 NW 20 G 30 16.09 Fair CLR 20.6 4.4 35% 76.66 1023.1
30 15:56 NW 13 G 28 16.09 Fair CLR 22.2 3.9 30% 76.61 1022.4
30 14:56 W 22 G 31 16.09 Fair CLR 22.2 5.6 34% 76.53 1021.7
30 13:56 NW 19 G 35 16.09 Fair CLR 22.8 6.1 22.8 9.4 34% 76.58 1022.0
30 12:56 NW 19 G 31 16.09 Fair CLR 22.8 8.9 41% 76.61 1022.3
30 11:56 NW 22 G 35 16.09 Fair CLR 21.7 10 47% 76.61 1022.5
30 10:56 NW 19 G 35 16.09 Fair CLR 21.1 11.1 53% 76.61 1022.3
30 09:56 W 13 16.09 Fair CLR 18.3 11.1 63% 76.58 1022.0
30 08:56 Calm 14.48 Fair CLR 12.2 12.2 100% 76.56 1022.0
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)