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.
26 02:56 Vrbl 11 16.09 Fair CLR 14.4 8.9 70% 76.07 1015.4
26 01:56 Vrbl 7 16.09 Fair CLR 14.4 8.9 15.6 13.9 70% 76.12 1015.8
26 00:56 Vrbl 11 16.09 Fair CLR 15 8.3 64% 76.17 1016.5
25 23:56 Vrbl 6 16.09 Fair CLR 14.4 8.3 67% 76.2 1017.2
25 22:56 Vrbl 6 16.09 Fair CLR 15 8.3 64% 76.25 1017.8
25 21:56 Vrbl 6 16.09 Fair CLR 15 8.3 64% 76.28 1018.2
25 20:56 Vrbl 6 16.09 Fair CLR 14.4 8.3 67% 76.3 1018.7
25 19:56 NW 7 16.09 Fair CLR 15.6 7.8 22.8 15.6 60% 76.3 1018.7
25 18:56 Vrbl 6 16.09 Fair CLR 17.8 7.2 50% 76.28 1018.2
25 17:56 Calm 16.09 Fair CLR 20 7.8 45% 76.3 1018.5
25 16:56 Vrbl 7 16.09 Fair CLR 21.1 7.2 41% 76.33 1018.8
25 15:56 Vrbl 7 16.09 Fair CLR 22.2 7.8 40% 76.35 1019.2
25 14:56 Vrbl 7 16.09 Fair CLR 22.8 7.2 37% 76.38 1019.6
25 13:56 Vrbl 11 16.09 Fair CLR 21.7 7.8 21.7 10 41% 76.43 1020.3
25 12:56 Vrbl 6 16.09 Fair CLR 21.1 8.3 44% 76.53 1021.6
25 11:56 Vrbl 7 16.09 Fair CLR 19.4 7.2 45% 76.58 1022.0
25 10:56 Vrbl 9 16.09 Fair CLR 17.2 8.3 56% 76.61 1022.5
25 09:56 Calm 16.09 Fair CLR 14.4 7.8 65% 76.61 1022.7
25 08:56 Calm 16.09 Fair CLR 11.7 7.2 74% 76.63 1023.0
25 07:56 Vrbl 6 16.09 Fair CLR 10 6.1 10 8.9 77% 76.61 1022.9
25 06:56 Calm 16.09 Fair CLR 9.4 6.1 80% 76.61 1022.8
25 05:56 Calm 16.09 Fair CLR 9.4 6.1 80% 76.66 1023.3
25 04:56 Calm 16.09 Fair CLR 10 6.1 77% 76.66 1023.2
25 03:56 Vrbl 6 16.09 Fair CLR 8.9 7.2 89% 76.66 1023.4
25 02:56 Calm 16.09 Fair CLR 9.4 7.8 90% 76.73 1024.3
25 01:56 Calm 16.09 Fair CLR 9.4 7.8 13.3 8.9 90% 76.78 1025.1
25 00:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.84 1025.7
24 23:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.86 1026.2
24 22:56 Calm 16.09 Fair CLR 10 10 100% 76.89 1026.4
24 21:56 Calm 16.09 Fair CLR 10.6 10.6 100% 76.89 1026.6
24 19:56 Calm 16.09 Fair CLR 13.3 10 19.4 13.3 81% 76.94 1027.1
24 18:56 Calm 16.09 Fair CLR 16.1 8.3 60% 76.91 1026.9
24 17:56 Vrbl 7 16.09 Fair CLR 18.9 8.3 50% 76.94 1026.9
24 16:56 Vrbl 6 16.09 Fair CLR 18.9 8.3 50% 76.94 1026.9
24 15:56 Vrbl 6 16.09 A Few Clouds FEW037 18.3 8.3 52% 76.96 1027.5
24 14:56 Vrbl 6 16.09 Mostly Cloudy BKN035 18.3 8.9 54% 77.01 1028.2
24 13:56 Vrbl 11 16.09 Overcast OVC033 16.7 10.6 17.2 9.4 67% 77.09 1029.0
24 12:56 Vrbl 7 16.09 Overcast OVC035 17.2 10.6 65% 77.11 1029.6
24 11:56 Vrbl 7 16.09 Overcast OVC029 16.1 10 67% 77.17 1030.3
24 10:56 Vrbl 7 16.09 Overcast OVC027 14.4 10 75% 77.22 1030.7
24 09:56 Vrbl 7 16.09 Mostly Cloudy FEW031 BKN041 13.3 9.4 77% 77.24 1031.0
24 08:56 Vrbl 9 16.09 Partly Cloudy SCT028 11.1 8.3 83% 77.22 1030.8
24 07:56 Calm 16.09 Mostly Cloudy BKN028 9.4 8.9 10 8.3 97% 77.19 1030.6
24 06:56 Vrbl 6 16.09 A Few Clouds FEW029 8.3 8.3 100% 77.17 1030.1
24 05:56 Vrbl 6 16.09 Fair CLR 8.9 8.9 100% 77.17 1030.1
24 04:56 Calm 16.09 Fair CLR 8.9 8.9 100% 77.17 1030.2
24 03:56 Calm 16.09 Fair CLR 9.4 9.4 100% 77.17 1030.0
24 02:56 Calm 16.09 Partly Cloudy SCT033 9 0 0% 77.19 1030.4
24 01:56 Calm 16.09 Fair CLR 10 10 15.6 9.4 100% 77.19 1030.7
24 00:56 Calm 16.09 Fair CLR 10.6 10.6 100% 77.22 1030.9
23 23:56 Calm 16.09 Partly Cloudy SCT120 11.1 11.1 100% 77.24 1031.1
23 22:56 Calm 16.09 Overcast OVC120 12.8 11.1 90% 77.24 1031.2
23 21:56 Calm 16.09 Overcast OVC110 13.3 11.7 90% 77.24 1031.3
23 20:56 Calm 16.09 Partly Cloudy SCT110 13.9 12.2 90% 77.24 1031.2
23 19:56 Calm 16.09 Overcast OVC100 15.6 11.7 17.8 15.6 78% 77.19 1030.5
23 18:56 Vrbl 6 16.09 Overcast OVC100 16.1 12.2 78% 77.17 1030.0
23 17:56 Vrbl 7 16.09 Overcast FEW037 OVC095 16.7 12.8 78% 77.14 1029.7
23 16:56 NE 11 16.09 Overcast FEW034 SCT080 OVC090 17.2 11.7 70% 77.17 1029.9
23 15:56 Vrbl 9 16.09 Overcast OVC029 17.2 12.8 76% 77.17 1030.1
23 14:56 Vrbl 9 16.09 Overcast OVC025 16.7 13.3 80% 77.17 1030.1
23 13:56 Vrbl 9 16.09 Overcast FEW019 OVC025 15.6 12.8 15.6 11.7 84% 77.22 1030.5
23 12:56 Vrbl 6 16.09 Overcast FEW011 BKN021 OVC043 14.4 13.9 97% 77.24 1031.0
23 11:56 Calm 8.05 Light Rain Fog/Mist BKN007 OVC012 12.8 12.8 100% 77.27 1031.4
23 10:56 Calm 16.09 Overcast OVC016 12.2 11.7 97% 77.27 1031.6
23 09:56 Vrbl 7 16.09 Overcast OVC020 11.7 11.1 96% 77.24 1031.1
23 08:56 Vrbl 7 16.09 Overcast BKN020 OVC027 11.7 11.7 100% 77.19 1030.5
23 07:56 Vrbl 7 16.09 Overcast OVC025 11.7 11.7 13.3 11.7 100% 77.17 1030.1 0.03
23 06:56 Calm 16.09 Overcast FEW032 OVC043 12.2 12.2 100% 77.09 1029.2
23 05:56 Vrbl 6 16.09 Overcast FEW017 OVC028 13 0 0% 77.09 1029.0
23 04:56 Calm 16.09 Overcast OVC026 13 0 0% 77.04 1028.5 0.03
23 03:56 Vrbl 7 16.09 Overcast FEW032 BKN043 OVC050 13 0 0% 77.01 1028.1
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)