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.
15 07:56 W 15 16.09 Fair CLR 18.9 13.3 21.7 17.2 70% 75.79 1011.3
15 06:56 Vrbl 11 16.09 Fair CLR 17.8 13.9 78% 75.74 1010.5
15 05:56 NW 15 16.09 Fair CLR 17.8 14.4 81% 75.67 1009.6
15 04:56 NW 19 G 31 16.09 Fair CLR 18.3 13.9 76% 75.59 1008.4
15 03:56 NW 31 G 41 16.09 Mostly Cloudy BKN110 19.4 13.9 71% 75.57 1008.1
15 02:56 NW 26 G 35 16.09 Mostly Cloudy BKN120 21.1 16.1 73% 75.51 1007.5
15 01:56 NW 22 G 31 16.09 Mostly Cloudy BKN024 BKN100 BKN120 21.7 18.9 30 21.7 84% 75.51 1007.7
15 00:56 W 22 G 31 16.09 Mostly Cloudy BKN045 22.8 18.3 76% 75.49 1007.3
14 23:56 SW 6 16.09 A Few Clouds FEW120 24.4 20.6 79% 25 75.41 1006.3
14 22:56 S 9 16.09 Overcast BKN065 BKN080 OVC100 25.6 20 71% 27 75.44 1006.7
14 21:56 S 13 16.09 Fair CLR 26.7 19.4 64% 28 75.39 1005.9
14 20:56 S 19 G 35 16.09 Thunderstorm in Vicinity SCT050 BKN060 29.4 20.6 59% 32 75.29 1004.3
14 19:56 S 7 16.09 Partly Cloudy SCT110 30 20.6 32.8 30 57% 32 75.36 1005.3
14 18:56 S 13 16.09 Fair CLR 30.6 20 53% 33 75.39 1005.8
14 17:56 S 11 16.09 Fair CLR 31.1 19.4 50% 33 75.44 1006.6
14 16:56 S 19 G 28 16.09 Fair CLR 32.2 20 48% 34 75.51 1007.5
14 15:56 S 13 16.09 A Few Clouds FEW055 32.8 19.4 45% 35 75.62 1008.9
14 14:56 S 15 G 30 16.09 Partly Cloudy SCT050 31.1 20 52% 33 75.72 1010.1
14 13:56 S 9 16.09 A Few Clouds FEW048 31.7 20.6 31.7 21.7 52% 34 75.77 1010.7
14 12:56 S 11 16.09 Fair CLR 31.7 19.4 48% 33 75.84 1011.9
14 10:56 S 9 16.09 Fair CLR 30 19.4 53% 32 75.97 1013.6
14 09:56 Calm 16.09 Fair CLR 26.7 20 67% 28 75.97 1013.7
14 08:56 SW 7 16.09 Fair CLR 23.9 20 79% 24 76.02 1014.3
14 07:56 Calm 16.09 Fair CLR 21.7 21.1 21.7 18.3 96% 76 1014.1
14 06:56 Calm 16.09 Fair CLR 19.4 19.4 100% 76 1013.9
14 05:56 Calm 16.09 Fair CLR 18.9 18.9 100% 75.97 1013.6
14 04:56 SE 7 16.09 Fair CLR 19.4 19.4 100% 75.95 1013.5
14 03:56 Calm 16.09 Fair CLR 18.9 18.9 100% 75.97 1013.8
14 02:56 Calm 16.09 Fair CLR 19.4 19.4 100% 76.05 1014.7
14 01:56 Calm 16.09 Fair CLR 19.4 19.4 27.2 19.4 100% 76.07 1014.9
14 00:56 Calm 16.09 Fair CLR 20.6 18.9 90% 76.1 1015.4
13 23:56 Calm 16.09 Fair CLR 20.6 19.4 93% 76.12 1015.7
13 22:56 Calm 16.09 Fair CLR 21.7 18.9 84% 76.12 1015.8
13 21:56 Calm 16.09 Fair CLR 22.2 17.8 76% 76.1 1015.5
13 20:56 Calm 16.09 Fair CLR 24.4 16.1 60% 26 76.07 1015.0
13 19:56 Calm 16.09 Fair CLR 26.7 16.1 30.6 26.7 52% 27 76.07 1014.9
13 18:56 W 13 16.09 Fair CLR 28.9 16.1 46% 29 76.07 1014.8
13 17:56 W 9 16.09 A Few Clouds FEW070 30 16.1 43% 30 76.07 1014.8
13 16:56 NW 13 16.09 A Few Clouds FEW060 28.9 16.7 48% 29 76.07 1015.0
13 15:56 Vrbl 11 16.09 Partly Cloudy SCT065 29.4 16.1 45% 30 76.1 1015.2
13 14:56 NW 13 16.09 Partly Cloudy SCT060 29.4 15.6 43% 29 76.1 1015.4
13 13:56 W 13 16.09 Fair CLR 29.4 15.6 29.4 23.3 43% 29 76.17 1016.2
13 12:56 Calm 16.09 Partly Cloudy SCT060 28.9 15.6 44% 29 76.2 1016.6
13 11:56 Vrbl 6 16.09 Fair CLR 27.8 15.6 47% 28 76.23 1016.9
13 10:56 Vrbl 7 16.09 Fair CLR 27.8 15.6 47% 28 76.23 1017.1
13 09:56 Vrbl 6 16.09 Fair CLR 26.1 15 50% 27 76.23 1017.0
13 08:56 Vrbl 7 16.09 Fair CLR 25 15.6 56% 26 76.2 1016.8
13 07:56 Vrbl 7 16.09 Fair CLR 23.3 17.8 23.3 19.4 71% 76.15 1015.9
13 06:56 Calm 16.09 Fair CLR 20.6 20 96% 76.1 1015.2
13 05:56 Calm 16.09 Fair CLR 20 19.4 96% 76.05 1014.8
13 04:56 Calm 16.09 Fair CLR 21.1 18.9 87% 76.02 1014.5
13 03:56 NW 7 16.09 Fair CLR 21.1 19.4 90% 76 1014.1
13 02:56 NW 13 16.09 Fair CLR 21.7 19.4 87% 75.97 1013.6
13 01:56 NW 9 16.09 Fair CLR 22.2 22.2 27.8 21.7 100% 76 1014.1
13 00:56 W 7 16.09 A Few Clouds FEW120 23 0 0% 75.97 1013.8
12 23:56 NW 7 16.09 Fair CLR 23.3 23.3 100% 76 1014.2
12 22:56 W 6 16.09 A Few Clouds FEW120 23.3 23.3 100% 76 1013.9
12 21:56 Calm 16.09 Fair CLR 24.4 22.2 88% 25 75.95 1013.4
12 19:56 W 11 16.09 Thunderstorm in Vicinity Light Rain BKN060 27.8 23.9 33.9 27.8 79% 32 75.79 1011.3
12 18:56 NW 7 16.09 Partly Cloudy FEW065 SCT085 30.6 22.2 61% 34 75.72 1010.2
12 17:56 W 11 16.09 Mostly Cloudy SCT070 BKN080 32.8 21.1 50% 36 75.69 1009.7
12 16:56 W 22 16.09 A Few Clouds FEW065 33.9 20.6 46% 37 75.69 1009.8
12 15:56 W 19 G 31 16.09 Fair CLR 33.9 21.7 49% 38 75.72 1010.1
12 14:56 W 19 G 31 16.09 Mostly Cloudy BKN070 32.8 20 47% 35 75.74 1010.7
12 13:56 W 19 G 35 16.09 Fair CLR 33.3 20.6 33.9 25.6 47% 36 75.77 1010.8
12 12:56 NW 17 G 28 16.09 Fair CLR 32.8 21.7 52% 36 75.77 1011.1
12 11:56 W 13 16.09 Fair CLR 31.7 22.2 57% 36 75.79 1011.2
12 10:56 SW 11 16.09 Fair CLR 31.1 22.8 61% 35 75.79 1011.1
12 09:56 SW 11 16.09 Fair CLR 29.4 22.8 68% 33 75.79 1011.1
12 08:56 SW 7 16.09 Fair CLR 27.8 22.2 72% 30 75.79 1011.3
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)