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.
17 09:56 W 11 16.09 Fair CLR 25 17.2 62% 26 75.79 1011.2
17 08:56 SW 7 16.09 Fair CLR 23.3 17.2 69% 75.79 1011.4
17 07:56 Vrbl 7 16.09 Fair CLR 21.7 17.2 21.7 15 76% 75.79 1011.2
17 06:56 SE 9 16.09 Fair CLR 17.8 16.7 93% 75.77 1011.1
17 05:56 SE 6 16.09 Fair CLR 15 15 100% 75.74 1010.6
17 04:56 Calm 16.09 Fair CLR 15.6 15.6 100% 75.69 1010.1
17 03:56 Calm 16.09 Fair CLR 16.1 15.6 97% 75.72 1010.4
17 02:56 Calm 16.09 Fair CLR 16.1 15 93% 75.72 1010.4
17 01:56 SE 6 16.09 Fair CLR 17.2 13.9 23.9 17.2 81% 75.74 1010.7
17 00:56 Vrbl 9 16.09 Fair CLR 18.3 13.3 73% 75.74 1011.0
16 23:56 Calm 16.09 Partly Cloudy SCT060 18.9 12.8 68% 75.77 1011.2
16 22:56 Calm 16.09 Partly Cloudy SCT055 19.4 12.8 66% 75.77 1011.2
16 21:56 Vrbl 6 16.09 Overcast BKN085 OVC110 20 11.7 59% 75.79 1011.4
16 20:56 Calm 16.09 Mostly Cloudy BKN100 20 10.6 55% 75.77 1011.3
16 19:56 S 6 16.09 Fair CLR 23.9 10 26.1 23.3 42% 25 75.77 1011.1
16 18:56 Vrbl 6 16.09 Fair CLR 25 8.9 36% 26 75.77 1011.2
16 17:56 Vrbl 7 G 26 16.09 Fair CLR 25.6 8.9 35% 26 75.77 1011.1
16 16:56 Vrbl 7 16.09 Fair CLR 25 7.8 33% 25 75.82 1011.9
16 15:56 Vrbl 7 16.09 Fair CLR 25.6 7.8 32% 26 75.84 1012.2
16 14:56 Vrbl 6 16.09 Fair CLR 24.4 7.2 33% 25 75.9 1012.7
16 13:56 Vrbl 7 16.09 Fair CLR 23.9 7.8 23.9 15.6 36% 25 75.92 1013.3
16 12:56 W 9 16.09 Fair CLR 23.3 7.8 37% 76 1014.2
16 11:56 Vrbl 6 16.09 Fair CLR 22.2 8.3 41% 76.05 1014.8
16 10:56 Calm 16.09 Fair CLR 20.6 7.2 42% 76.07 1015.3
16 09:56 Vrbl 6 16.09 Fair CLR 20.6 6.7 41% 76.1 1015.7
16 08:56 W 9 16.09 Fair CLR 18.3 8.3 52% 76.12 1016.1
16 07:56 NW 7 16.09 Fair CLR 15.6 10.6 15.6 10 72% 76.15 1016.1
16 06:56 Calm 16.09 Fair CLR 12.2 10.6 90% 76.1 1015.9
16 05:56 Calm 16.09 Fair CLR 10.6 10.6 100% 76.07 1015.4
16 04:56 Calm 16.09 Fair CLR 10.6 10.6 100% 76.05 1015.2
16 03:56 Calm 16.09 Fair CLR 11.7 11.1 96% 76.07 1015.3
16 02:56 Calm 16.09 Fair CLR 12.8 10 83% 76.07 1015.2
16 01:56 Calm 16.09 Fair CLR 14.4 10.6 21.1 12.8 78% 76.05 1014.8
16 00:56 Calm 16.09 Fair CLR 14.4 13.9 97% 76.02 1014.7
15 23:56 Calm 16.09 Fair CLR 16.1 11.7 75% 76 1014.3
15 22:56 NW 7 16.09 Fair CLR 16.7 12.2 75% 75.97 1013.8
15 21:56 W 7 16.09 Fair CLR 17.8 11.7 68% 75.9 1013.0
15 20:56 W 9 12.87 Fair CLR 18.9 11.7 63% 75.87 1012.3
15 19:56 NW 15 16.09 Fair CLR 21.1 11.7 24.4 21.1 55% 75.84 1012.0
15 18:56 NW 15 16.09 Mostly Cloudy BKN090 22.8 12.8 53% 75.82 1011.7
15 17:56 W 17 16.09 Mostly Cloudy BKN095 23.9 13.3 52% 25 75.79 1011.6
15 16:56 NW 17 G 26 16.09 Overcast FEW060 OVC090 22.2 11.7 52% 75.82 1011.7
15 15:56 W 17 16.09 Overcast BKN065 OVC080 23.3 11.7 48% 75.79 1011.6
15 14:56 NW 15 16.09 Mostly Cloudy FEW050 BKN075 24.4 12.8 48% 26 75.79 1011.4
15 13:56 Vrbl 11 G 26 16.09 Mostly Cloudy FEW048 BKN070 23.9 12.8 24.4 18.9 50% 25 75.84 1011.9
15 12:56 W 22 G 28 16.09 Mostly Cloudy SCT049 BKN070 23.3 13.3 54% 75.84 1012.0
15 11:56 NW 19 G 30 16.09 Mostly Cloudy SCT047 BKN060 21.7 11.7 53% 75.84 1012.2
15 10:56 NW 17 16.09 Mostly Cloudy BKN041 21.7 12.2 55% 75.84 1011.9
15 09:56 Vrbl 9 16.09 Mostly Cloudy BKN039 21.1 12.8 59% 75.79 1011.4
15 08:56 NW 15 G 28 16.09 Fair CLR 20.6 12.8 61% 75.79 1011.2
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
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)