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.
08 08:56 Calm 16.09 Fair CLR 20 16.1 78% 76.91 1026.5
08 07:56 Calm 16.09 Fair CLR 14 0 14.4 12.8 0% 76.91 1026.4
08 06:56 Calm 16.09 Fair CLR 13 0 0% 76.89 1026.1
08 05:56 Calm 16.09 Fair CLR 13.3 13.3 100% 76.89 1026.1
08 04:56 Calm 16.09 Fair CLR 13 0 0% 76.89 1026.0
08 03:56 Calm 16.09 Fair CLR 13 0 0% 76.89 1026.0
08 02:56 Calm 16.09 Fair CLR 13.9 13.9 100% 76.84 1025.4
08 01:56 Calm 16.09 Fair CLR 14.4 14.4 20 14.4 100% 76.84 1025.6
08 00:56 Calm 16.09 Fair CLR 14.4 14.4 100% 76.86 1025.6
07 23:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.84 1025.4
07 22:56 Calm 16.09 Fair CLR 16.1 14.4 90% 76.78 1024.7
07 21:56 Calm 16.09 Fair CLR 17.8 13.3 75% 76.78 1024.6
07 20:56 Calm 16.09 Fair CLR 18.9 13.9 73% 76.76 1024.4
07 19:56 Calm 9.66 Fair with Haze CLR 20.6 13.9 27.8 20.6 66% 76.71 1023.7
07 18:56 Vrbl 6 16.09 Fair CLR 24.4 13.3 50% 26 76.73 1024.0
07 17:56 Calm 16.09 Fair CLR 26.1 12.2 42% 26 76.71 1023.5
07 16:56 NE 9 16.09 Fair CLR 26.7 12.2 41% 27 76.66 1022.9
07 15:56 NE 7 16.09 Fair CLR 26.7 11.1 38% 27 76.63 1022.7
07 14:56 Vrbl 6 16.09 Fair CLR 26.1 12.2 42% 26 76.66 1023.0
07 13:56 Vrbl 7 16.09 Fair CLR 27.2 12.2 27.2 15.6 39% 27 76.71 1023.6
07 12:56 Vrbl 9 16.09 Fair CLR 26.1 12.8 44% 26 76.73 1023.8
07 11:56 Vrbl 9 16.09 A Few Clouds FEW050 26.1 13.9 47% 27 76.73 1024.1
07 10:56 Calm 16.09 Fair CLR 25 14.4 52% 26 76.76 1024.3
07 09:56 Vrbl 6 16.09 Fair CLR 21.7 16.1 71% 76.71 1023.8
07 08:56 Calm 16.09 Fair CLR 18.9 15.6 81% 76.68 1023.5
07 07:56 Calm 16.09 Fair CLR 15.6 15.6 15.6 13.3 100% 76.68 1023.4
07 06:56 Calm 16.09 Fair CLR 13.9 13.9 100% 76.58 1022.3
07 05:56 Calm 16.09 Fair CLR 13.9 13.9 100% 76.53 1021.4
07 04:56 NW 6 16.09 Fair CLR 14 0 0% 76.48 1020.9
07 03:56 Calm 16.09 Fair CLR 14 0 0% 76.48 1020.6
07 02:56 Calm 16.09 Fair CLR 14 0 0% 76.48 1020.7
07 01:56 Calm 16.09 Fair CLR 14 0 20.6 14.4 0% 76.48 1020.5
07 00:56 Calm 16.09 Fair CLR 15 0 0% 76.45 1020.4
06 22:56 Calm 16.09 Fair CLR 16.7 16.7 100% 76.4 1019.6
06 21:56 Calm 16.09 Fair CLR 18.3 16.7 90% 76.38 1019.3
06 20:56 Calm 16.09 Fair CLR 18.9 16.1 84% 76.33 1018.5
06 19:56 Calm 16.09 Fair CLR 20.6 16.1 28.3 20.6 76% 76.25 1017.7
06 18:56 Calm 16.09 Fair CLR 24.4 16.1 60% 26 76.23 1017.1
06 17:56 Calm 16.09 Fair CLR 26.7 16.1 52% 27 76.2 1017.0
06 16:56 Vrbl 7 16.09 Mostly Cloudy SCT050 BKN070 27.2 15.6 49% 28 76.17 1016.7
06 15:56 Calm 16.09 Fair CLR 26.1 15.6 52% 27 76.17 1016.7
06 14:56 Vrbl 7 16.09 Mostly Cloudy FEW049 BKN065 27.2 16.1 51% 28 76.2 1016.9
06 13:56 Vrbl 7 16.09 Partly Cloudy SCT045 26.1 16.1 27.2 17.2 54% 27 76.23 1017.1
06 12:56 Vrbl 6 16.09 Mostly Cloudy BKN039 26.7 16.7 54% 27 76.23 1017.4
06 11:56 Vrbl 7 16.09 A Few Clouds FEW033 25.6 16.1 56% 26 76.25 1017.7
06 10:56 Vrbl 7 16.09 Fair CLR 24.4 16.7 62% 25 76.25 1017.6
06 09:56 Vrbl 6 16.09 Fair CLR 22.2 17.2 73% 76.25 1017.5
06 08:56 Calm 16.09 Fair CLR 20 17.2 84% 76.23 1017.3
06 07:56 Calm 16.09 Fair CLR 17.2 17.2 17.8 15 100% 76.17 1016.7
06 06:56 Calm 16.09 Fair CLR 16 0 0% 76.15 1016.1
06 05:56 Calm 16.09 Fair CLR 15 15 100% 76.07 1015.4
06 04:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.05 1014.9
06 03:56 Calm 16.09 Fair CLR 16.7 16.7 100% 76.02 1014.8
06 02:56 Calm 16.09 Fair CLR 17.2 16.7 97% 76.02 1014.6
06 01:56 Calm 16.09 Fair CLR 17.2 16.7 22.8 16.7 97% 76.02 1014.6
06 00:56 Calm 16.09 Fair CLR 17 0 0% 76.05 1014.8
05 23:56 Calm 16.09 Fair CLR 17 0 0% 76.05 1015.0
05 22:56 Calm 16.09 Fair CLR 18.3 18.3 100% 76.05 1015.0
05 21:56 Calm 16.09 Partly Cloudy SCT065 20 18.3 90% 76.05 1014.8
05 20:56 Calm 16.09 Overcast OVC065 22.2 18.3 79% 76 1014.0
05 19:56 Calm 16.09 A Few Clouds FEW060 22.2 19.4 27.8 22.2 84% 75.97 1013.8
05 18:56 Calm 16.09 A Few Clouds FEW060 25 18.3 66% 26 75.92 1013.1
05 17:56 Calm 16.09 Mostly Cloudy BKN055 26.7 18.9 62% 28 75.9 1012.7
05 16:56 Vrbl 6 16.09 Mostly Cloudy FEW040 BKN120 26.7 18.9 62% 28 75.87 1012.3
05 15:56 Calm 16.09 Mostly Cloudy FEW036 BKN120 26.7 19.4 64% 28 75.9 1012.5
05 13:56 Calm 16.09 Overcast BKN033 OVC090 26.1 19.4 26.7 21.7 67% 27 75.97 1013.5
05 12:56 Calm 16.09 A Few Clouds FEW075 25.6 19.4 69% 27 76 1014.0
05 11:56 NE 7 16.09 Overcast FEW033 OVC075 25 20.6 77% 26 76.02 1014.3
05 10:56 Calm 16.09 A Few Clouds FEW028 25.6 20 71% 27 76.05 1014.8
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)