Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (edt) 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.
21 04:56 Calm 16.09 Fair CLR 7.8 3.9 77% 76.81 1025.5
21 03:56 Vrbl 6 16.09 Fair CLR 8.3 3.3 71% 76.81 1025.3
21 02:56 Calm 16.09 Fair CLR 9.4 3.3 66% 76.84 1025.7
21 01:56 Vrbl 6 16.09 Fair CLR 10 3.3 12.8 7.8 63% 76.84 1025.7
21 00:56 Vrbl 6 16.09 Fair CLR 10.6 3.9 64% 76.84 1025.8
20 23:56 Calm 16.09 Fair CLR 10 5 71% 76.84 1025.6
20 22:56 Calm 16.09 Fair CLR 8.9 7.2 89% 76.86 1025.9
20 21:56 Calm 16.09 Fair CLR 8.9 7.8 93% 76.84 1025.9
20 20:56 Calm 16.09 Fair CLR 10.6 7.2 80% 76.84 1026.0
20 19:56 Calm 16.09 Fair CLR 12.8 7.2 21.1 12.8 69% 76.84 1025.8
20 18:56 Calm 16.09 Fair CLR 14.4 6.7 60% 76.84 1026.0
20 17:56 Calm 16.09 Fair CLR 17.8 7.8 52% 76.81 1025.4
20 16:56 Vrbl 6 16.09 Fair CLR 20 7.2 44% 76.78 1025.1
20 15:56 Vrbl 7 16.09 Fair CLR 20.6 6.7 41% 76.78 1025.1
20 14:56 Calm 16.09 Fair CLR 21.1 6.1 38% 76.78 1025.2
20 13:56 Calm 16.09 Fair CLR 21.1 6.1 21.1 6.1 38% 76.84 1025.8
20 12:56 Calm 16.09 Fair CLR 20.6 6.1 39% 76.89 1026.3
20 11:56 Vrbl 7 16.09 Fair CLR 18.3 6.1 45% 76.94 1027.1
20 10:56 Vrbl 6 16.09 Fair CLR 17.2 6.1 48% 76.94 1027.3
20 09:56 Vrbl 6 16.09 Fair CLR 15.6 5.6 52% 76.96 1027.5
20 08:56 Vrbl 6 16.09 Fair CLR 11.1 3.9 61% 76.94 1027.2
20 07:56 W 9 16.09 Fair CLR 6.1 2.2 7.2 3.9 76% 4 76.89 1026.7
20 06:56 W 6 16.09 Fair CLR 6.1 1.7 74% 76.86 1026.3
20 05:56 W 6 16.09 Fair CLR 6.1 1.1 71% 76.84 1025.8
20 04:56 Calm 16.09 Fair CLR 4.4 3.3 93% 76.81 1025.5
20 03:56 Calm 16.09 Fair CLR 3.9 3.9 100% 76.81 1025.4
20 02:56 Calm 16.09 Fair CLR 4.4 4.4 100% 76.84 1025.8
20 01:56 Calm 16.09 Fair CLR 5.6 2.2 10.6 5.6 79% 76.84 1025.9
20 00:56 Calm 16.09 Fair CLR 6.1 2.2 76% 76.86 1026.1
19 23:56 Calm 16.09 Fair CLR 6.1 4.4 89% 76.86 1026.3
19 22:56 Calm 16.09 Fair CLR 6.7 3.9 83% 76.89 1026.6
19 21:56 Calm 16.09 Fair CLR 7.2 4.4 83% 76.91 1027.0
19 20:56 Calm 16.09 Fair CLR 8.9 3.9 71% 76.94 1027.3
19 19:56 Calm 16.09 Fair CLR 9.4 5 20 9.4 74% 76.96 1027.9
19 18:56 Calm 16.09 Fair CLR 12.8 2.8 51% 76.99 1028.0
19 17:56 Calm 16.09 Fair CLR 17.2 3.9 41% 77.01 1028.3
19 16:56 Calm 16.09 Fair CLR 18.9 3.9 37% 77.04 1028.6
19 15:56 Vrbl 6 16.09 Fair CLR 18.9 2.8 34% 77.09 1029.2
19 14:56 Vrbl 6 16.09 Fair CLR 19.4 2.8 33% 77.11 1029.5
19 13:56 Vrbl 6 14.48 Fair CLR 19.4 3.9 19.4 1.7 36% 77.17 1030.2
19 12:56 Vrbl 6 16.09 Fair CLR 18.9 1.7 32% 77.27 1031.5
19 11:56 NW 13 16.09 Fair CLR 17.8 3.3 38% 77.34 1032.5
19 10:56 Calm 16.09 Fair CLR 16.1 3.3 43% 77.39 1033.4
19 09:56 Calm 16.09 Fair CLR 13.3 3.3 51% 77.44 1033.8
19 08:56 Calm 16.09 Fair CLR 6.7 5 89% 77.42 1034.0
19 07:56 Calm 16.09 Fair CLR 1.7 1.7 2.8 1.7 100% 77.42 1034.0
19 06:56 Calm 14.48 Fair CLR 1.7 1.7 100% 77.39 1033.8
19 05:56 Calm 16.09 Fair CLR 2.2 2.2 100% 77.42 1033.9
19 04:56 Calm 16.09 Fair CLR 2.2 2.2 100% 77.42 1034.0
19 03:56 Calm 16.09 Fair CLR 2.2 2.2 100% 77.42 1033.9
19 02:56 Calm 16.09 Fair CLR 2.8 2.8 100% 77.47 1034.3
19 01:56 Calm 16.09 Fair CLR 2.8 2.8 7.8 2.8 100% 77.5 1034.6
19 00:56 Calm 16.09 Fair CLR 3.3 3.3 100% 77.52 1034.9
18 23:56 Calm 16.09 Fair CLR 3.3 3.3 100% 77.55 1035.5
18 22:56 Calm 16.09 Fair CLR 4.4 3.9 97% 77.57 1035.7
18 21:56 Calm 16.09 Fair CLR 5 3.3 89% 77.57 1035.9
18 20:56 Calm 16.09 Fair CLR 7.2 2.2 71% 77.57 1036.0
18 19:56 Calm 16.09 Fair CLR 7.2 2.2 17.2 7.2 71% 77.6 1036.3
18 18:56 Calm 16.09 Fair CLR 8.9 3.9 71% 77.57 1036.1
18 17:56 Calm 16.09 Fair CLR 14.4 1.7 42% 77.57 1035.9
18 16:56 Vrbl 6 16.09 Fair CLR 15.6 -1.7 31% 77.62 1036.3
18 15:56 Calm 16.09 Fair CLR 16.1 -2.8 27% 77.65 1036.8
18 14:56 Vrbl 6 16.09 Fair CLR 16.1 -2.2 29% 77.65 1037.0
18 13:56 Vrbl 6 16.09 Fair CLR 16.1 -2.8 16.1 1.7 27% 77.7 1037.6
18 12:56 Vrbl 7 16.09 Fair CLR 15 -3.3 28% 77.75 1038.2
18 11:56 Calm 16.09 Fair CLR 13.9 -2.8 32% 77.8 1038.9
18 10:56 Vrbl 9 16.09 Fair CLR 12.2 -1.1 40% 77.8 1038.7
18 09:56 Vrbl 6 16.09 Fair CLR 9.4 -0.6 50% 77.75 1038.4
18 08:56 Vrbl 9 16.09 Fair CLR 5.6 0 68% 4 77.72 1038.0
18 07:56 Calm 16.09 Fair CLR 1.7 1.7 4.4 1.1 100% 77.65 1037.2
18 06:56 Calm 16.09 Fair CLR 1.7 1.7 100% 77.6 1036.3
18 05:56 Calm 16.09 Fair CLR 2.2 0.6 89% 77.52 1035.4
Date Time (edt) 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)