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.
13 17:56 Calm 16.09 Overcast OVC070 28.3 21.1 65% 31 76.07 1015.0
13 16:56 Calm 16.09 Overcast OVC060 28.9 21.7 65% 32 76.07 1015.0
13 15:56 W 13 16.09 Partly Cloudy SCT045 SCT055 30.6 21.1 57% 33 76.07 1015.0
13 14:56 Vrbl 6 16.09 Mostly Cloudy BKN044 30 21.1 59% 33 76.07 1015.0
13 13:56 W 17 16.09 Fair CLR 29.4 21.1 30 23.3 61% 32 76.1 1015.1
13 12:56 NW 11 16.09 Fair CLR 28.3 20.6 63% 30 76.1 1015.4
13 11:56 W 15 16.09 Fair CLR 27.8 21.1 67% 30 76.12 1015.6
13 10:56 NW 15 16.09 Fair CLR 27.2 20.6 67% 29 76.12 1015.5
13 09:56 NW 13 16.09 Fair CLR 26.1 20 69% 27 76.07 1014.9
13 08:56 Vrbl 9 16.09 Fair CLR 24.4 19.4 74% 25 76.07 1014.9
13 07:56 NW 9 16.09 Fair CLR 23.3 18.9 23.3 20.6 76% 76.05 1014.6
13 05:56 W 9 16.09 Fair CLR 21.1 20 93% 75.95 1013.5
13 04:56 W 7 16.09 Fair CLR 21.7 20.6 94% 75.95 1013.1
13 03:56 NW 11 16.09 Partly Cloudy SCT120 22.2 21.1 94% 75.97 1013.5
13 02:56 NW 6 16.09 A Few Clouds FEW110 22.2 22.2 100% 75.92 1012.9
13 01:56 W 6 16.09 A Few Clouds FEW120 22.8 21.7 25.6 22.8 94% 75.92 1013.0
13 00:56 NW 7 16.09 Fair CLR 23.3 21.7 91% 75.95 1013.2
12 23:56 W 6 16.09 Partly Cloudy SCT060 24.4 21.1 82% 25 75.95 1013.3
12 22:56 SW 6 16.09 Fair CLR 25 21.1 79% 26 75.95 1013.1
12 21:56 Calm 16.09 A Few Clouds FEW046 25 20.6 77% 26 75.92 1012.8
12 20:56 Calm 16.09 Fair CLR 24.4 21.1 82% 25 75.9 1012.6
12 19:56 Calm 16.09 Partly Cloudy SCT050 25.6 20.6 31.1 25.6 74% 27 75.87 1012.3
12 18:56 W 9 16.09 Fair CLR 27.2 20.6 67% 29 75.87 1012.4
12 17:56 W 6 16.09 A Few Clouds FEW041 28.9 20.6 61% 31 75.87 1012.3
12 16:56 W 9 16.09 Mostly Cloudy BKN049 29.4 20.6 59% 32 75.9 1012.5
12 15:56 W 11 16.09 Overcast OVC040 29.4 21.1 61% 32 75.92 1012.8
12 14:56 Calm 16.09 Overcast OVC046 28.9 19.4 57% 30 75.95 1013.1
12 13:56 Vrbl 6 16.09 Fair CLR 30 18.9 30 21.7 51% 31 75.97 1013.4
12 12:56 Calm 16.09 Fair CLR 28.9 17.8 51% 30 76.02 1014.3
12 11:56 Calm 16.09 Mostly Cloudy BKN048 26.7 18.9 62% 28 76.05 1014.8
12 10:56 Calm 16.09 Fair CLR 26.1 18.9 65% 27 76.05 1014.6
12 09:56 Calm 16.09 Overcast OVC042 25.6 20.6 74% 27 76.05 1014.7
12 08:56 NW 6 16.09 A Few Clouds FEW044 23.3 20.6 85% 76.02 1014.6
12 07:56 NW 6 16.09 Overcast OVC120 21.7 20.6 22.2 20.6 94% 76 1014.2
12 06:56 NW 6 16.09 Overcast OVC120 20.6 20.6 100% 75.97 1013.8
12 04:56 NW 7 16.09 Overcast OVC110 21.1 20 93% 75.92 1012.9
12 03:56 Calm 16.09 Overcast OVC120 21.7 18.9 84% 75.9 1012.6
12 02:56 NW 7 16.09 Partly Cloudy SCT110 22.2 18.9 82% 75.95 1013.1
12 01:56 NW 9 16.09 Fair CLR 21.7 19.4 25.6 21.1 87% 75.95 1013.2
12 00:56 NW 6 16.09 Fair CLR 21.7 20 90% 75.97 1013.6
11 23:56 NW 7 16.09 Fair CLR 21.7 20 90% 75.97 1013.5
11 22:56 W 7 16.09 Fair CLR 22.2 19.4 84% 76.05 1014.7
11 21:56 W 11 16.09 Overcast BKN070 OVC090 23.9 19.4 76% 24 76.05 1014.8
11 20:56 W 7 16.09 A Few Clouds FEW090 23.3 18.9 76% 75.95 1013.5
11 19:56 NW 11 16.09 Mostly Cloudy BKN075 25 18.3 31.1 25 66% 26 75.97 1013.8
11 18:56 NW 9 16.09 Fair CLR 27.2 18.3 58% 28 75.97 1013.6
11 17:56 NW 22 G 30 16.09 Fair CLR 27.8 18.3 56% 29 76 1013.9
11 16:56 W 22 16.09 Fair CLR 30 20 55% 32 76 1013.8
11 15:56 W 9 16.09 Mostly Cloudy BKN039 30 22.2 63% 33 76.02 1014.1
11 14:56 W 9 16.09 A Few Clouds FEW039 28.9 21.7 65% 32 76.02 1014.3
11 13:56 Calm 16.09 Fair CLR 28.9 21.1 28.9 20.6 63% 31 76.07 1015.1
11 12:56 NW 13 16.09 Fair CLR 27.2 21.1 69% 29 76.12 1015.5
11 11:56 NW 11 16.09 Fair CLR 26.7 21.1 71% 28 76.2 1016.6
11 09:56 W 13 16.09 Fair CLR 23.9 21.1 84% 24 76.1 1015.5
11 08:56 W 13 16.09 Fair CLR 21.7 21.1 96% 76.07 1015.1
11 07:56 Vrbl 7 16.09 Fair CLR 21 0 21.1 20 0% 75.97 1014.0 0.23
11 06:56 NW 7 9.66 Light Rain Fog/Mist FEW070 BKN100 BKN110 20 20 100% 76.12 1016.1 0.13
11 05:56 W 15 16.09 Light Rain CLR 21.1 21.1 100% 76.28 1018.0 0.08
11 04:56 Calm 16.09 Light Rain FEW070 SCT100 21 0 0% 76.15 1016.3 0.03 0.03
11 03:56 Calm 16.09 Mostly Cloudy SCT043 SCT050 BKN065 21 0 0% 76.12 1015.5
11 02:56 Calm 12.87 Fair CLR 20 0 0% 76.15 1016.1
11 01:56 Calm 9.66 Fair with Haze CLR 20 0 22.2 20 0% 76.23 1017.0
11 00:56 Calm 16.09 A Few Clouds FEW050 21 0 0% 76.23 1017.2
10 23:56 SW 6 16.09 Fair CLR 21 0 0% 76.25 1017.4
10 22:56 SW 6 16.09 A Few Clouds FEW055 21 0 0% 76.33 1018.2
10 21:56 SW 6 16.09 Mostly Cloudy BKN080 22 0 0% 76.33 1018.5
10 20:56 W 6 16.09 Overcast OVC095 22 0 0% 76.3 1018.0
10 19:56 Calm 16.09 Mostly Cloudy BKN008 22.2 22.2 33.3 21.7 100% 76.25 1017.3 1.14
10 18:56 Calm 16.09 Partly Cloudy SCT006 22 0 0% 76.23 1017.4
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)