Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
14 20:56 Calm 10.00 Overcast BKN049 BKN060 OVC075 75 75 100% 72 30.09 1019.8
14 19:56 Calm 10.00 Overcast BKN050 OVC060 75.9 75 81 75 97% 75 30.08 1019.4
14 18:56 Calm 10.00 Overcast OVC050 78.1 73 85% 81 30.07 1019.0
14 17:56 Calm 10.00 Overcast FEW016 OVC050 79 75.9 90% 83 30.06 1018.7
14 16:56 Calm 10.00 Overcast OVC070 79 75 88% 83 30.06 1018.8
14 15:56 Calm 10.00 Mostly Cloudy FEW075 BKN100 80.1 73 79% 84 30.06 1018.8
14 14:56 NW 3 10.00 Mostly Cloudy BKN080 BKN090 78.1 73 85% 81 30.07 1019.1
14 13:56 Calm 10.00 Overcast OVC075 75 73 80.1 73 94% 73 30.09 1019.7 0.01
14 12:56 Vrbl 3 9.00 Light Rain OVC075 73 73 100% 30.11 1020.5 0.01
14 11:56 Calm 9.00 Overcast OVC080 77 73 88% 78 30.11 1020.4
14 10:56 Calm 10.00 Overcast OVC090 77 71.1 82% 79 30.1 1020.1
14 09:56 Calm 10.00 Overcast OVC110 78.1 69.1 74% 80 30.08 1019.5
14 08:56 Calm 10.00 Overcast OVC110 77 70 79% 79 30.07 1019.2
14 07:56 Calm 10.00 Partly Cloudy FEW055 SCT120 75 71.1 75 72 88% 75 30.08 1019.5
14 06:56 Calm 10.00 Overcast OVC046 73 73 100% 30.08 1019.5
14 05:56 Calm 10.00 Overcast OVC044 71.6 0 0% 30.06 1018.6
14 04:56 Calm 10.00 Overcast OVC046 71.6 0 0% 30.03 1017.5
14 03:56 Calm 10.00 A Few Clouds FEW070 73 73 100% 30.02 1017.5
14 02:56 Calm 10.00 Overcast OVC048 75 73.9 96% 73 30.02 1017.3
14 00:56 Calm 10.00 Overcast BKN048 OVC055 75 73.9 96% 73 30.04 1018.1
13 23:56 Calm 10.00 Overcast OVC048 75 73.9 96% 73 30.03 1017.8
13 22:56 Calm 10.00 Overcast BKN050 OVC060 75 75 100% 72 30.03 1017.5
13 21:56 Calm 10.00 A Few Clouds FEW055 75 75 100% 72 30 1016.9
13 20:56 Calm 10.00 Overcast OVC055 77 73.9 90% 78 29.98 1016.1
13 19:56 Calm 10.00 Fair CLR 79 71.1 88 79 77% 82 29.96 1015.3
13 18:56 Calm 10.00 Mostly Cloudy BKN055 84 69.1 61% 88 29.95 1014.8
13 17:56 Calm 10.00 Overcast OVC070 82.9 70 65% 87 29.95 1015.0
13 16:56 Calm 10.00 Overcast OVC060 84 71.1 65% 89 29.95 1015.0
13 15:56 W 8 10.00 Partly Cloudy SCT045 SCT055 87.1 70 57% 92 29.95 1015.0
13 14:56 Vrbl 3 10.00 Mostly Cloudy BKN044 86 70 59% 91 29.95 1015.0
13 13:56 W 10 10.00 Fair CLR 84.9 70 86 73.9 61% 89 29.96 1015.1
13 12:56 NW 7 10.00 Fair CLR 82.9 69.1 63% 87 29.96 1015.4
13 11:56 W 9 10.00 Fair CLR 82 70 67% 86 29.97 1015.6
13 10:56 NW 9 10.00 Fair CLR 81 69.1 67% 84 29.97 1015.5
13 09:56 NW 8 10.00 Fair CLR 79 68 69% 81 29.95 1014.9
13 08:56 Vrbl 6 10.00 Fair CLR 75.9 66.9 74% 77 29.95 1014.9
13 07:56 NW 6 10.00 Fair CLR 73.9 66 73.9 69.1 76% 29.94 1014.6
13 05:56 W 6 10.00 Fair CLR 70 68 93% 29.9 1013.5
13 04:56 W 5 10.00 Fair CLR 71.1 69.1 94% 29.9 1013.1
13 03:56 NW 7 10.00 Partly Cloudy SCT120 72 70 94% 29.91 1013.5
13 02:56 NW 3 10.00 A Few Clouds FEW110 72 72 100% 29.89 1012.9
13 01:56 W 3 10.00 A Few Clouds FEW120 73 71.1 78.1 73 94% 29.89 1013.0
13 00:56 NW 5 10.00 Fair CLR 73.9 71.1 91% 29.9 1013.2
12 23:56 W 3 10.00 Partly Cloudy SCT060 75.9 70 82% 77 29.9 1013.3
12 22:56 SW 3 10.00 Fair CLR 77 70 79% 79 29.9 1013.1
12 21:56 Calm 10.00 A Few Clouds FEW046 77 69.1 77% 79 29.89 1012.8
12 20:56 Calm 10.00 Fair CLR 75.9 70 82% 77 29.88 1012.6
12 19:56 Calm 10.00 Partly Cloudy SCT050 78.1 69.1 88 78.1 74% 80 29.87 1012.3
12 18:56 W 6 10.00 Fair CLR 81 69.1 67% 84 29.87 1012.4
12 17:56 W 3 10.00 A Few Clouds FEW041 84 69.1 61% 88 29.87 1012.3
12 16:56 W 6 10.00 Mostly Cloudy BKN049 84.9 69.1 59% 89 29.88 1012.5
12 15:56 W 7 10.00 Overcast OVC040 84.9 70 61% 89 29.89 1012.8
12 14:56 Calm 10.00 Overcast OVC046 84 66.9 57% 87 29.9 1013.1
12 13:56 Vrbl 3 10.00 Fair CLR 86 66 86 71.1 51% 88 29.91 1013.4
12 12:56 Calm 10.00 Fair CLR 84 64 51% 85 29.93 1014.3
12 11:56 Calm 10.00 Mostly Cloudy BKN048 80.1 66 62% 82 29.94 1014.8
12 10:56 Calm 10.00 Fair CLR 79 66 65% 81 29.94 1014.6
12 09:56 Calm 10.00 Overcast OVC042 78.1 69.1 74% 80 29.94 1014.7
12 08:56 NW 3 10.00 A Few Clouds FEW044 73.9 69.1 85% 29.93 1014.6
12 07:56 NW 3 10.00 Overcast OVC120 71.1 69.1 72 69.1 94% 29.92 1014.2
12 06:56 NW 3 10.00 Overcast OVC120 69.1 69.1 100% 29.91 1013.8
12 04:56 NW 5 10.00 Overcast OVC110 70 68 93% 29.89 1012.9
12 03:56 Calm 10.00 Overcast OVC120 71.1 66 84% 29.88 1012.6
12 02:56 NW 5 10.00 Partly Cloudy SCT110 72 66 82% 29.9 1013.1
12 01:56 NW 6 10.00 Fair CLR 71.1 66.9 78.1 70 87% 29.9 1013.2
12 00:56 NW 3 10.00 Fair CLR 71.1 68 90% 29.91 1013.6
11 23:56 NW 5 10.00 Fair CLR 71.1 68 90% 29.91 1013.5
11 22:56 W 5 10.00 Fair CLR 72 66.9 84% 29.94 1014.7
11 21:56 W 7 10.00 Overcast BKN070 OVC090 75 66.9 76% 76 29.94 1014.8
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)