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.
16 14:56 SE 20 G 28 16.09 Fair CLR 32.2 13.9 33% 31 75.82 1011.5
16 13:56 S 17 16.09 Fair CLR 31.7 14.4 32.2 18.9 35% 31 75.92 1012.8
16 12:56 Vrbl 6 16.09 Fair CLR 32.2 15 35% 32 75.97 1013.7
16 11:56 W 9 16.09 Fair CLR 28.9 14.4 41% 29 76.05 1014.6
16 10:56 Calm 16.09 Fair CLR 28.3 12.8 38% 28 76.07 1015.1
16 09:56 Calm 16.09 Fair CLR 27.2 13.3 42% 27 76.1 1015.4
16 08:56 SW 9 16.09 Fair CLR 23.9 14.4 55% 25 76.12 1015.6
16 07:56 Calm 16.09 Fair CLR 18.9 15 21.7 16.7 78% 76.12 1015.7
16 06:56 Calm 16.09 Fair CLR 17.2 12.8 76% 76.07 1015.0
16 05:56 Calm 16.09 Fair CLR 17.2 13.3 78% 76.05 1014.6
16 04:56 Calm 16.09 Fair CLR 18.9 11.7 63% 76.02 1014.1
16 03:56 Calm 16.09 Fair CLR 18.9 12.2 65% 76.02 1014.1
16 02:56 Calm 16.09 Fair CLR 18.9 13.3 70% 75.97 1013.9
16 01:56 Calm 16.09 Fair CLR 21.1 11.7 28.3 21.1 55% 76 1014.0
16 00:56 S 6 16.09 Fair CLR 24.4 11.7 45% 26 76.05 1014.8
15 23:56 Calm 16.09 Fair CLR 24.4 12.2 47% 26 76.05 1014.7
15 22:56 S 7 16.09 Fair CLR 26.1 12.2 42% 26 76.05 1014.5
15 21:56 S 7 16.09 Fair CLR 26.1 13.9 47% 27 76.05 1014.5
15 20:56 S 7 16.09 Fair CLR 26.1 15 50% 27 76.02 1014.5
15 19:56 SE 6 16.09 Fair CLR 28.3 13.3 32.8 28.3 40% 28 75.97 1013.9
15 18:56 S 11 16.09 Fair CLR 30 13.9 37% 29 75.97 1013.9
15 17:56 SW 22 G 28 16.09 Fair CLR 32.2 13.3 32% 31 75.97 1013.7
15 16:56 Vrbl 9 16.09 Fair CLR 32.2 13.9 33% 31 76 1014.0
15 15:56 SW 13 16.09 Fair CLR 32.2 13.9 33% 31 76.02 1014.3
15 14:56 W 15 16.09 Fair CLR 31.1 13.9 35% 30 76.07 1015.2
15 13:56 W 19 G 30 16.09 Fair CLR 30.6 14.4 31.1 16.1 37% 30 76.12 1015.6
15 12:56 SW 15 16.09 Fair CLR 30.6 14.4 37% 30 76.15 1016.2
15 11:56 W 19 G 33 16.09 Fair CLR 28.3 15 44% 28 76.2 1016.9
15 10:56 W 11 16.09 Fair CLR 25.6 15.6 54% 26 76.25 1017.7
15 09:56 W 7 16.09 Fair CLR 23.9 16.7 64% 25 76.28 1018.1
15 08:56 NW 6 16.09 Fair CLR 20 18.9 93% 76.3 1018.2
15 07:56 Calm 16.09 Fair CLR 16 0 16.7 14.4 0% 76.25 1017.6 0.03
15 06:56 Calm 16.09 Fair CLR 14 0 0% 76.2 1016.8 0.03
15 05:56 Calm 14.48 Fair CLR 15 0 0% 76.17 1016.5
15 04:56 Calm 16.09 Fair CLR 16 0 0% 76.15 1016.3
15 03:56 Calm 14.48 Fair CLR 16 0 0% 76.1 1015.5
15 02:56 Calm 16.09 Fair CLR 16 0 0% 76.12 1015.8
15 01:56 S 6 16.09 Fair CLR 17 0 26.1 16.1 0% 76.15 1016.1 0.03
15 00:56 Calm 16.09 Fair CLR 17 0 0% 76.17 1016.6
14 23:56 Calm 16.09 Partly Cloudy FEW100 SCT120 18.3 18.3 100% 76.17 1016.7
14 22:56 Calm 16.09 Overcast FEW080 OVC110 18.9 18.9 100% 76.17 1016.6 0.03
14 21:56 Vrbl 7 16.09 Light Rain BKN080 OVC110 19.4 19.4 100% 76.17 1016.7 0.03
14 20:56 SE 7 16.09 A Few Clouds FEW085 25 13.3 48% 26 76.02 1014.5
14 19:56 SE 7 16.09 Fair CLR 25.6 13.9 31.1 25.6 48% 26 76.02 1014.5
14 18:56 Vrbl 11 16.09 Mostly Cloudy FEW033 SCT080 BKN110 27.8 13.3 41% 28 76.05 1014.7
14 17:56 S 15 16.09 Fair CLR 29.4 13.3 37% 29 76.05 1014.7
14 16:56 SW 19 G 26 16.09 A Few Clouds FEW075 28.9 12.8 37% 28 76.07 1015.0
14 15:56 SW 9 16.09 A Few Clouds FEW075 30.6 12.8 34% 30 76.1 1015.5
14 14:56 W 15 16.09 Fair CLR 30 13.3 36% 29 76.17 1016.5
14 13:56 SW 15 G 30 16.09 A Few Clouds FEW110 29.4 12.8 29.4 18.9 36% 29 76.25 1017.5
14 12:56 Vrbl 11 16.09 Fair CLR 28.9 12.8 37% 28 76.3 1018.1
14 11:56 W 15 G 26 16.09 Mostly Cloudy BKN100 28.3 11.7 36% 28 76.35 1018.7
14 10:56 W 15 16.09 A Few Clouds FEW100 26.1 11.1 39% 26 76.38 1019.2
14 09:56 SW 7 16.09 Fair CLR 24.4 12.2 47% 26 76.4 1019.7
14 08:56 W 7 16.09 A Few Clouds FEW100 22.8 13.3 55% 76.43 1019.8
14 07:56 Calm 16.09 Mostly Cloudy BKN095 18.9 12.2 18.9 13.3 65% 76.43 1020.1
14 06:56 Calm 16.09 Mostly Cloudy BKN090 14.4 12.2 87% 76.4 1019.6
14 05:56 Calm 16.09 Fair CLR 14.4 12.2 87% 76.38 1019.4
14 04:56 Calm 16.09 Fair CLR 13.9 12.8 93% 76.38 1019.4
14 03:56 Calm 16.09 Fair CLR 13.9 12.2 90% 76.35 1018.9
14 02:56 Calm 16.09 Fair CLR 13.9 12.2 90% 76.35 1019.0
14 01:56 Calm 16.09 Fair CLR 15.6 12.2 23.3 15 80% 76.35 1019.1
14 00:56 Calm 16.09 Fair CLR 17.2 11.1 68% 76.4 1019.5
13 23:56 Calm 16.09 Fair CLR 19.4 11.1 59% 76.38 1019.5
13 22:56 SW 6 16.09 Fair CLR 21.1 11.1 53% 76.4 1019.6
13 21:56 SW 11 16.09 Fair CLR 21.7 11.1 51% 76.4 1019.7
13 20:56 SW 11 16.09 Fair CLR 22.8 11.1 48% 76.4 1019.5
13 19:56 SW 13 16.09 Fair CLR 23.3 11.1 26.1 23.3 46% 76.35 1018.9
13 18:56 SW 17 G 28 16.09 Fair CLR 25 11.1 42% 26 76.33 1018.6
13 17:56 SW 17 G 28 16.09 Fair CLR 25 11.7 43% 26 76.38 1019.2
13 16:56 SW 17 G 28 16.09 Fair CLR 25 11.7 43% 26 76.35 1018.9
13 15:56 SW 17 G 30 16.09 Fair CLR 25.6 11.7 42% 26 76.38 1019.2
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)