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.
13 13:56 E 8 2.50 Thunderstorm in Vicinity Heavy Rain Fog/Mist BKN018 BKN035 OVC070 80.1 80.1 90 77 100% 87 30.08 1019.2
13 12:56 Vrbl 3 10.00 Mostly Cloudy FEW029 SCT037 BKN048 89.1 75 63% 99 30.07 1019.2
13 11:56 Vrbl 7 10.00 Mostly Cloudy SCT027 BKN033 BKN055 88 78.1 73% 102 30.08 1019.5
13 10:56 S 8 10.00 Mostly Cloudy FEW019 BKN030 86 79 80% 100 30.09 1019.7
13 09:56 SE 7 10.00 Overcast BKN016 BKN023 OVC028 82 80.1 94% 93 30.1 1019.9
13 08:56 SE 9 10.00 Overcast BKN010 OVC027 78.8 0 0% 30.09 1019.7
13 07:56 Calm 10.00 Overcast SCT008 SCT015 OVC022 77 0 77 73.9 0% 30.09 1019.6
13 06:56 Calm 10.00 Mostly Cloudy BKN017 BKN023 75.2 0 0% 30.08 1019.2
13 05:56 Calm 9.00 Mostly Cloudy BKN019 BKN038 75.2 0 0% 30.06 1018.6
13 04:56 SE 5 10.00 Overcast BKN021 OVC028 75.2 0 0% 30.05 1018.5
13 03:56 SE 6 10.00 Overcast SCT013 OVC021 75.2 0 0% 30.05 1018.5
13 02:56 SE 5 10.00 Mostly Cloudy BKN120 75.2 0 0% 30.05 1018.6
13 01:56 SE 6 10.00 Partly Cloudy SCT020 75.2 0 79 75 0% 30.06 1018.7
13 00:56 SE 5 10.00 Fair CLR 75.2 0 0% 30.07 1019.0
12 23:56 SE 3 10.00 A Few Clouds FEW050 75.2 0 0% 30.07 1019.2
12 22:56 SE 3 10.00 A Few Clouds FEW050 75.2 0 0% 30.09 1019.8
12 21:56 Calm 10.00 Fair CLR 75.2 0 0% 30.09 1019.7
12 20:56 Calm 10.00 Fair CLR 77 77 100% 78 30.06 1018.9
12 19:56 Vrbl 3 10.00 Fair CLR 79 79 91 79 100% 84 30.03 1017.7
12 18:56 Vrbl 3 10.00 Partly Cloudy SCT055 80.1 78.1 94% 86 30.06 1018.8
12 17:56 SE 9 10.00 Thunderstorm in Vicinity FEW120 81 77 88% 88 30.02 1017.5
12 16:56 S 6 G 20 10.00 Thunderstorm SCT034 SCT043 BKN050 82 72 72% 87 30.04 1017.9
12 15:56 Vrbl 6 10.00 Fair CLR 86 79 80% 100 30.04 1017.9
12 14:56 Vrbl 7 10.00 Fair CLR 88 77 70% 100 30.04 1018.1
12 13:56 Vrbl 6 10.00 Mostly Cloudy FEW033 SCT049 BKN070 90 79 90 78.1 70% 106 30.06 1018.6
12 12:56 Calm 10.00 Overcast BKN032 OVC043 86 81 85% 102 30.07 1019.2
12 11:56 Calm 10.00 Mostly Cloudy FEW026 BKN031 BKN045 86 80.1 83% 101 30.08 1019.6
12 10:56 SE 8 10.00 Mostly Cloudy BKN021 87.1 80.1 80% 103 30.09 1019.6
12 09:56 SE 6 10.00 Mostly Cloudy FEW015 BKN038 84 81 91% 98 30.09 1019.8
12 08:56 Calm 10.00 Mostly Cloudy SCT042 BKN055 BKN070 82 82 100% 95 30.09 1019.7
12 07:56 Calm 10.00 Mostly Cloudy BKN034 78.1 78.1 79 71.1 100% 81 30.08 1019.4
12 06:56 Calm 10.00 Fair CLR 73.4 0 0% 30.06 1018.8
12 05:56 Calm 10.00 Partly Cloudy SCT041 71.6 0 0% 30.06 1018.8
12 04:56 Calm 10.00 Fair CLR 73.4 0 0% 30.05 1018.5
12 03:56 Calm 10.00 Fair CLR 71.6 0 0% 30.06 1018.8
12 02:56 Calm 10.00 Fair CLR 71.6 0 0% 30.06 1018.6
12 01:56 Calm 10.00 Fair CLR 71.6 0 81 72 0% 30.06 1018.8
12 00:56 Calm 10.00 Partly Cloudy FEW042 SCT050 73 73 100% 30.06 1018.8
11 23:56 Calm 10.00 Fair CLR 73.9 73.9 100% 30.06 1018.7
11 22:56 Calm 10.00 Fair CLR 75.9 75.9 100% 75 30.05 1018.3
11 21:56 Calm 10.00 Fair CLR 77 75.9 96% 78 30.05 1018.4
11 20:56 Vrbl 3 10.00 A Few Clouds FEW048 79 78.1 97% 83 30.03 1017.6
11 19:56 Vrbl 3 10.00 Mostly Cloudy SCT042 BKN050 81 80.1 90 81 97% 90 30.02 1017.3
11 18:56 Vrbl 6 10.00 A Few Clouds FEW050 84 78.1 82% 95 30.01 1016.9
11 17:56 Vrbl 5 10.00 Mostly Cloudy BKN050 86 75.9 72% 96 30 1016.7
11 16:56 Vrbl 5 10.00 Fair CLR 88 73 61% 96 30 1016.7
11 15:56 Calm 10.00 Partly Cloudy FEW049 SCT065 SCT085 89.1 75 63% 99 30.01 1017.1
11 14:56 Calm 10.00 Mostly Cloudy SCT045 BKN100 89.1 72 57% 96 30.03 1017.6
11 13:56 Calm 10.00 Mostly Cloudy FEW044 SCT060 BKN090 88 71.1 89.1 75 57% 94 30.04 1018.0
11 12:56 Calm 10.00 Mostly Cloudy BKN038 BKN047 87.1 71.1 59% 93 30.05 1018.3
11 11:56 Calm 10.00 Overcast BKN029 OVC040 82 75 79% 89 30.05 1018.5
11 10:56 Calm 10.00 Mostly Cloudy SCT024 BKN050 84 75.9 77% 93 30.05 1018.3
11 09:56 Vrbl 3 10.00 Partly Cloudy SCT017 82.9 78.1 85% 93 30.05 1018.3
11 08:56 Vrbl 3 10.00 Fair CLR 80.1 79 97% 87 30.05 1018.4
11 07:56 Calm 10.00 Fair CLR 75.2 0 75 69.1 0% 30.03 1017.7
11 06:56 Calm 8.00 Fair CLR 69.8 0 0% 30.01 1017.0
11 05:56 Calm 4.00 Fair with Haze CLR 69.8 0 0% 30 1016.6
11 04:56 Calm 5.00 Fair with Haze CLR 69.8 0 0% 29.99 1016.5
11 03:56 Calm 3.00 Fog/Mist CLR 69.8 0 0% 30 1016.6
11 02:56 Calm 4.00 Fair with Haze CLR 71.6 0 0% 30 1016.7
11 01:56 Calm 5.00 Fair with Haze CLR 71.6 0 79 71.1 0% 30 1016.6
11 00:56 Calm 7.00 Fair CLR 71.6 0 0% 30 1016.8
10 23:56 Calm 8.00 Fair CLR 71.6 0 0% 30.01 1017.0
10 22:56 SE 3 10.00 Fair CLR 73.4 0 0% 30 1016.7
10 21:56 Vrbl 3 10.00 Fair CLR 75.9 75.9 100% 75 30 1016.6
10 20:56 S 7 10.00 Fair CLR 78.1 78.1 100% 81 29.98 1016.1
10 19:56 Calm 10.00 Fair CLR 79 75.9 86 79 90% 83 29.97 1015.6
10 18:56 Calm 10.00 Fair CLR 84 72 67% 90 29.95 1015.0
10 17:56 Calm 10.00 Partly Cloudy SCT033 84.9 72 65% 91 29.96 1015.2
10 16:56 Calm 10.00 Partly Cloudy SCT032 82.9 73 72% 89 29.96 1015.3
10 15:56 Calm 10.00 Mostly Cloudy BKN031 82.9 73.9 74% 89 29.97 1015.7
10 14:56 Calm 10.00 Overcast SCT025 BKN039 OVC047 82 75.9 82% 89 29.99 1016.5
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)