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.
01 03:56 Calm 10.00 Partly Cloudy SCT080 66.2 0 0% 29.98 1016.0
01 02:56 Calm 10.00 Fair CLR 66.2 0 0% 29.98 1016.1
01 01:56 Calm 10.00 Fair CLR 66.2 0 79 66.9 0% 29.99 1016.2
01 00:56 Calm 10.00 Fair CLR 68 0 0% 29.99 1016.3
31 23:56 Calm 10.00 Fair CLR 70 70 100% 29.98 1016.2
31 22:56 SE 5 10.00 Fair CLR 70 70 100% 29.98 1016.1
31 21:56 Calm 10.00 Fair CLR 72 70 94% 29.99 1016.4
31 20:56 Calm 9.00 Fair CLR 73.9 68 82% 29.97 1015.9
31 19:56 Calm 10.00 Fair CLR 79 66.9 87.1 79 67% 81 29.97 1015.6
31 18:56 Calm 10.00 A Few Clouds FEW049 84 66 55% 86 29.97 1015.7
31 17:56 W 3 10.00 Fair CLR 84.9 64.9 51% 87 29.98 1015.9
31 15:56 W 7 10.00 Mostly Cloudy BKN080 84.9 64.9 51% 87 29.99 1016.4
31 14:56 Calm 8.00 Fair CLR 86 64.9 49% 88 29.99 1016.5
31 13:56 Calm 10.00 A Few Clouds FEW065 84 63 86 70 49% 85 30 1016.7
31 12:56 Calm 10.00 A Few Clouds FEW041 82.9 66 57% 85 30.02 1017.2
31 11:56 Calm 10.00 Mostly Cloudy SCT036 BKN060 81 64.9 58% 83 30.03 1017.6
31 10:56 Vrbl 3 10.00 A Few Clouds FEW031 79 64.9 62% 81 30.03 1017.7
31 09:56 Calm 10.00 Fair CLR 77 66.9 71% 79 30.03 1017.7
31 08:56 Calm 10.00 Fair CLR 73.9 66 76% 30.03 1017.8
31 07:56 Calm 10.00 Fair CLR 70 66.9 71.1 64 90% 30.03 1017.7
31 06:56 Calm 10.00 Mostly Cloudy BKN075 64.4 0 0% 30.02 1017.6
31 05:56 Calm 10.00 Overcast OVC075 64.4 0 0% 30.01 1017.4
31 04:56 Calm 10.00 A Few Clouds FEW080 64.4 0 0% 30 1017.0
31 03:56 Calm 10.00 Fair CLR 66 66 100% 30 1016.8
31 02:56 Calm 10.00 Mostly Cloudy BKN080 68 66 93% 29.99 1016.4
31 01:56 Calm 10.00 Overcast OVC080 71.1 64 75.9 71.1 79% 29.99 1016.4
31 00:56 Calm 10.00 Overcast OVC080 72 64 76% 29.99 1016.2
30 23:56 Calm 10.00 Overcast OVC080 72 64.9 79% 29.98 1016.1
30 22:56 Calm 10.00 Overcast OVC080 73 63 71% 29.98 1016.0
30 21:56 Calm 10.00 Overcast OVC075 73.9 64 71% 29.96 1015.6
30 20:56 Calm 10.00 Overcast OVC070 75 64 69% 77 29.94 1014.8
30 19:56 Calm 10.00 Overcast OVC075 75.9 64 82 75.9 67% 78 29.93 1014.6
30 18:56 NW 3 10.00 Overcast OVC070 77 64 64% 79 29.92 1014.3
30 17:56 Calm 10.00 Overcast OVC070 78.1 64 62% 80 29.92 1014.1
30 16:56 Calm 10.00 Overcast OVC070 78.1 64 62% 80 29.9 1013.4
30 15:56 Calm 10.00 Overcast OVC070 79 64 60% 81 29.89 1013.2
30 14:56 Vrbl 3 10.00 Overcast SCT047 OVC065 79 64.9 62% 81 29.89 1013.1
30 13:56 NW 8 G 17 10.00 Mostly Cloudy BKN049 80.1 64 81 69.1 58% 82 29.88 1012.9
30 12:56 NW 13 G 17 10.00 A Few Clouds FEW047 81 63 54% 82 29.88 1012.5
30 11:56 NW 16 G 21 10.00 Mostly Cloudy BKN045 77 61 58% 79 29.87 1012.5
30 10:56 NW 14 G 18 10.00 Fair CLR 75.9 61 60% 78 29.87 1012.2
30 09:56 NW 13 G 21 10.00 Fair CLR 73 59 62% 29.88 1012.6
30 07:56 W 8 10.00 Fair CLR 69.1 60.1 69.1 66 73% 29.86 1012.1
30 06:56 W 8 10.00 Fair CLR 66.9 59 76% 29.85 1011.8
30 05:56 NW 9 10.00 Overcast OVC085 68 60.1 76% 29.83 1011.1
30 04:56 NW 10 10.00 Overcast OVC085 69.1 59 70% 29.81 1010.4
30 03:56 W 8 10.00 Overcast OVC080 68 61 78% 29.81 1010.1
30 02:56 W 7 10.00 Fair CLR 66 63 90% 29.81 1010.4
30 01:56 W 3 10.00 Fair CLR 66.9 63 75 66.9 87% 29.82 1010.6
30 00:56 W 6 10.00 Partly Cloudy SCT080 68 63 84% 29.83 1010.9
29 23:56 NW 3 10.00 Overcast OVC090 71.1 61 71% 29.82 1010.8
29 22:56 Vrbl 6 10.00 Overcast OVC060 73 61 66% 29.82 1010.8
29 21:56 NW 10 10.00 Overcast BKN050 OVC075 73.9 62.1 67% 29.81 1010.1
29 20:56 NW 7 10.00 Overcast OVC060 73.9 62.1 67% 29.79 1009.5
29 19:56 NW 10 10.00 Overcast SCT070 OVC090 73.9 63 81 73 69% 29.77 1008.9
29 18:56 NW 8 10.00 Overcast OVC060 75 63 66% 77 29.75 1008.5
29 17:56 NW 9 10.00 Overcast OVC060 75.9 62.1 62% 78 29.74 1008.2
29 16:56 NW 9 G 18 10.00 Overcast BKN047 OVC065 75.9 62.1 62% 78 29.73 1007.7
29 15:56 NW 12 G 23 10.00 Overcast FEW044 OVC065 81 64 57% 83 29.72 1007.4
29 14:56 W 16 G 24 10.00 Overcast FEW046 OVC060 78.1 63 60% 80 29.72 1007.3
29 13:56 NW 10 G 24 10.00 Mostly Cloudy SCT049 BKN060 78.1 61 81 69.1 56% 80 29.72 1007.4
29 12:56 NW 13 G 20 10.00 Overcast OVC050 77 61 58% 79 29.72 1007.4
29 11:56 NW 10 10.00 Mostly Cloudy BKN041 BKN055 77 62.1 60% 79 29.72 1007.4
29 10:56 NW 9 10.00 Fair CLR 77 64 64% 79 29.72 1007.3
29 09:56 NW 12 G 16 10.00 Fair CLR 75 66.9 76% 76 29.72 1007.3
29 08:56 NW 8 10.00 Fair CLR 72 70 94% 29.71 1007.1
29 07:56 NW 6 10.00 Fair CLR 69.8 0 69.1 64.9 0% 29.69 1006.5 0.01
29 06:56 Vrbl 3 9.00 Fair CLR 66.2 0 0% 29.68 1005.8 0.01
29 05:56 NW 5 9.00 Fair CLR 66.2 0 0% 29.66 1005.2
29 04:56 NW 3 10.00 Fair CLR 66.2 0 0% 29.65 1005.0
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)