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.
28 09:56 Calm 16.09 Fair CLR 13.3 11.7 90% 77.37 1033.0
28 08:56 Calm 11.27 Fair CLR 10.6 10.6 100% 77.34 1032.7
28 07:56 Calm 4.83 Fog/Mist CLR 7.2 7.2 9.4 6.7 100% 77.32 1032.3
28 06:56 Calm 4.83 Fog/Mist CLR 7.2 7.2 100% 77.27 1031.7
28 05:56 Calm 6.44 Fog/Mist CLR 7.2 7.2 100% 77.27 1031.4
28 04:56 Calm 4.83 Fog/Mist CLR 8.3 8.3 100% 77.19 1030.5
28 03:56 Calm 4.83 Fog/Mist CLR 8.9 8.9 100% 77.19 1030.5
28 02:56 Calm 9.66 Fog/Mist CLR 9.4 9.4 100% 77.22 1031.0
28 01:56 Calm 9.66 Fog/Mist CLR 9.4 9.4 14.4 9.4 100% 77.22 1030.7
28 00:56 Calm 16.09 Fair CLR 10.6 10.6 100% 77.22 1030.6
27 23:56 Calm 16.09 Fair CLR 11.1 11.1 100% 77.19 1030.4
27 22:56 Calm 16.09 Fair CLR 11.1 10.6 97% 77.17 1030.1
27 21:56 Calm 16.09 Fair CLR 11.7 10.6 93% 77.11 1029.6
27 20:56 Calm 16.09 Fair CLR 12.2 11.1 93% 77.09 1029.4
27 19:56 Calm 16.09 Fair CLR 14.4 10.6 22.8 14.4 78% 77.09 1029.2
27 18:56 Calm 16.09 Fair CLR 16.1 10.6 70% 77.06 1028.8
27 17:56 Calm 16.09 Fair CLR 18.9 11.1 61% 77.04 1028.5
27 16:56 Calm 16.09 Fair CLR 21.1 10 49% 77.01 1028.1
27 15:56 Calm 16.09 Fair CLR 21.1 10.6 51% 77.04 1028.3
27 14:56 S 6 16.09 Fair CLR 22.2 10.6 48% 77.04 1028.4
27 13:56 Calm 16.09 Fair CLR 21.7 10.6 21.7 7.2 49% 77.06 1028.7
27 12:56 SE 9 16.09 Fair CLR 20.6 10.6 53% 77.11 1029.4
27 11:56 Calm 16.09 Fair CLR 20 10.6 55% 77.17 1030.0
27 10:56 Calm 16.09 Fair CLR 17.8 10.6 63% 77.17 1030.0
27 09:56 Calm 16.09 Fair CLR 15.6 9.4 67% 77.17 1030.1
27 08:56 Vrbl 6 16.09 Fair CLR 12.8 8.9 77% 77.11 1029.7
27 07:56 Calm 16.09 Fair CLR 7.2 7.2 7.8 6.7 100% 77.06 1028.8
27 06:56 Calm 16.09 Fair CLR 7.2 7.2 100% 76.99 1027.8
27 05:56 Calm 16.09 Fair CLR 6.7 6.7 100% 76.94 1027.1
27 04:56 Calm 16.09 Fair CLR 6.7 6.7 100% 76.89 1026.5
27 03:56 Calm 16.09 Fair CLR 6.7 6.7 100% 76.84 1025.9
27 02:56 Calm 16.09 Fair CLR 7.2 7.2 100% 76.84 1025.7
27 01:56 Calm 16.09 Fair CLR 7.8 7.8 11.1 7.2 100% 76.84 1025.8
27 00:56 Calm 16.09 Fair CLR 7.8 7.8 100% 76.84 1025.8
26 23:56 Calm 16.09 Fair CLR 8.3 8.3 100% 76.84 1025.9
26 22:56 Calm 16.09 Fair CLR 8.3 8.3 100% 76.84 1025.8
26 21:56 Calm 16.09 Fair CLR 8.9 8.9 100% 76.86 1026.1
26 20:56 Calm 16.09 Fair CLR 9.4 8.3 93% 76.84 1025.9
26 19:56 Calm 16.09 Fair CLR 11.1 8.3 20.6 11.1 83% 76.84 1026.0
26 18:56 Calm 16.09 Fair CLR 13.3 7.8 70% 76.81 1025.5
26 17:56 NW 6 16.09 Fair CLR 17.2 6.7 50% 76.81 1025.5
26 16:56 W 9 16.09 Fair CLR 19.4 7.2 45% 76.81 1025.3
26 15:56 W 15 16.09 Fair CLR 20 7.8 45% 76.84 1025.7
26 14:56 W 15 16.09 Fair CLR 20.6 7.8 44% 76.86 1026.2
26 13:56 Vrbl 9 16.09 Fair CLR 20 8.3 20.6 3.3 47% 76.94 1027.1
26 12:56 W 15 16.09 Fair CLR 20 8.9 49% 77.01 1028.2
26 11:56 W 9 16.09 Fair CLR 18.3 8.3 52% 77.09 1029.2
26 10:56 NW 13 16.09 Fair CLR 15.6 8.3 62% 77.14 1030.0
26 09:56 W 9 16.09 Fair CLR 12.2 8.9 80% 77.19 1030.7
26 08:56 Calm 12.87 Fair CLR 7.2 7.2 100% 77.19 1030.8
26 07:56 Calm 9.66 Fog/Mist CLR 3.3 3.3 5 3.3 100% 77.17 1030.5
26 06:56 Calm 16.09 A Few Clouds FEW001 3.9 3.9 100% 77.17 1030.6
26 05:56 Calm 16.09 Fair CLR 4.4 4.4 100% 77.17 1030.3
26 04:56 Calm 14.48 Fair CLR 4.4 4.4 100% 77.19 1030.5
26 03:56 Calm 14.48 Fair CLR 5 5 100% 77.22 1030.9
26 02:56 Calm 14.48 Fair CLR 5 5 100% 77.27 1031.5
26 01:56 Calm 16.09 Fair CLR 5 5 10.6 5 100% 77.27 1031.6
26 00:56 Calm 14.48 Fair CLR 5.6 5.6 100% 77.29 1032.0
25 23:56 Calm 16.09 Fair CLR 6.1 6.1 100% 77.32 1032.3
25 22:56 Calm 16.09 Fair CLR 6.7 6.7 100% 77.34 1032.7
25 21:56 Calm 16.09 Fair CLR 7.8 7.8 100% 77.37 1033.0
25 20:56 Calm 16.09 Fair CLR 8.9 8.3 96% 77.37 1033.2
25 19:56 Calm 16.09 Fair CLR 10 8.3 18.9 9.4 89% 77.42 1033.7
25 18:56 Calm 16.09 Fair CLR 11.7 7.2 74% 77.42 1033.8
25 17:56 Calm 16.09 Fair CLR 16.1 7.2 56% 77.42 1033.6
25 16:56 W 7 16.09 Fair CLR 17.8 7.8 52% 77.44 1034.1
25 15:56 W 7 16.09 Fair CLR 17.8 7.2 50% 77.47 1034.5
25 14:56 W 9 16.09 Fair CLR 17.8 7.2 50% 77.5 1034.9
25 13:56 Vrbl 9 16.09 Fair CLR 17.2 6.7 18.3 2.8 50% 77.57 1035.7
25 12:56 Vrbl 7 16.09 Fair CLR 17.8 7.2 50% 77.67 1036.9
25 11:56 Calm 16.09 Fair CLR 15 6.7 58% 77.7 1037.7
25 10:56 Calm 16.09 Fair CLR 13.9 7.8 67% 77.75 1038.3
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)