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.
15 09:56 E 3 10.00 Fair CLR 66 53.1 63% 30.4 1030.7
15 08:56 Vrbl 3 10.00 Fair CLR 61 48.9 65% 30.4 1030.6
15 07:56 Calm 10.00 Fair CLR 54 48.9 57 48.9 83% 30.38 1029.9
15 06:56 Calm 10.00 Fair CLR 50 50 100% 30.37 1029.6
15 05:56 Calm 10.00 Fair CLR 50 50 100% 30.35 1028.8
15 04:56 Calm 10.00 Fair CLR 51.1 50 96% 30.32 1028.1
15 03:56 Calm 10.00 Fair CLR 55 48.9 80% 30.31 1027.5
15 02:56 Vrbl 3 10.00 Fair CLR 55.9 50 81% 30.3 1027.3
15 01:56 Calm 10.00 Fair CLR 55.9 52 64 55 87% 30.3 1027.3
15 00:56 Calm 10.00 Fair CLR 57.9 48.9 72% 30.29 1026.8
14 23:56 Calm 10.00 Fair CLR 59 50 72% 30.28 1026.6
14 22:56 Calm 10.00 Fair CLR 60.1 50 70% 30.28 1026.3
14 21:56 Calm 10.00 Fair CLR 61 51.1 70% 30.26 1025.7
14 20:56 Vrbl 3 10.00 Fair CLR 63 52 68% 30.24 1025.3
14 19:56 Calm 10.00 Fair CLR 64 53.1 78.1 64 68% 30.22 1024.4
14 18:56 Calm 10.00 Fair CLR 71.1 51.1 49% 30.2 1023.7
14 17:56 NW 7 10.00 Fair CLR 75 51.1 43% 78 30.18 1022.9
14 16:56 NW 6 G 17 10.00 Fair CLR 75 50 42% 78 30.16 1022.4
14 15:56 W 12 G 16 10.00 Fair CLR 75.9 51.1 42% 78 30.16 1022.4
14 14:56 NW 9 10.00 Fair CLR 77 52 42% 78 30.15 1021.9
14 13:56 Vrbl 6 10.00 Mostly Cloudy BKN055 75.9 54 78.1 68 47% 78 30.15 1022.1
14 12:56 NW 7 10.00 Mostly Cloudy BKN049 75 55.9 52% 78 30.16 1022.1
14 11:56 Vrbl 3 G 16 10.00 Mostly Cloudy BKN042 75 59 58% 77 30.16 1022.2
14 10:56 Vrbl 5 10.00 Partly Cloudy SCT040 75 59 58% 77 30.15 1022.0
14 09:56 Vrbl 5 10.00 Fair CLR 73 60.1 64% 30.13 1021.4
14 08:56 Calm 10.00 Fair CLR 71.1 63 76% 30.11 1020.4
14 07:56 Calm 10.00 A Few Clouds FEW055 68 68 73 66.9 100% 30.08 1019.6
14 06:56 Calm 10.00 Fair CLR 68 68 100% 30.04 1018.2
14 05:56 Calm 10.00 Partly Cloudy SCT055 69.1 69.1 100% 30.01 1017.2
14 04:56 Vrbl 7 10.00 Mostly Cloudy BKN060 72 71.1 97% 29.98 1016.0
14 03:56 Vrbl 3 10.00 Fair CLR 72 72 100% 29.96 1015.4
14 02:56 Calm 10.00 Fair CLR 71.6 0 0% 29.95 1014.9
14 01:56 W 3 10.00 Fair CLR 71.6 0 75.9 71.1 0% 29.95 1014.8
14 00:56 Calm 10.00 Fair CLR 73.4 0 0% 29.94 1014.6
13 23:56 Calm 10.00 Fair CLR 71.6 0 0% 29.95 1015.1
13 22:56 Calm 10.00 Fair CLR 73.4 0 0% 29.97 1015.7
13 21:56 Calm 10.00 Mostly Cloudy BKN060 BKN070 73.4 0 0% 29.97 1015.6
13 20:56 Calm 10.00 Fair CLR 73.4 0 0% 29.94 1014.8
13 19:56 Calm 10.00 Fair CLR 75.9 75.9 88 75.9 100% 75 29.92 1014.2 0.2
13 18:56 Calm 10.00 Fair CLR 79 75.9 90% 83 29.91 1013.7
13 17:56 Calm 10.00 Partly Cloudy SCT037 SCT049 80.1 77 90% 86 29.9 1013.3
13 16:56 Calm 10.00 Fair CLR 84 73.9 72% 91 29.9 1013.1 0.2 0.2
13 15:56 Vrbl 5 10.00 Mostly Cloudy BKN035 84.9 73 68% 92 29.9 1013.1
13 14:56 NW 6 10.00 Partly Cloudy SCT033 86 72 63% 92 29.9 1013.3
13 13:56 W 10 G 16 10.00 Mostly Cloudy SCT032 SCT048 BKN085 84 72 86 71.1 67% 90 29.93 1014.1
13 12:56 W 7 10.00 A Few Clouds FEW021 82.9 73 72% 89 29.94 1014.7
13 11:56 Vrbl 6 10.00 Mostly Cloudy BKN017 81 73.9 79% 86 29.97 1015.5
13 10:56 Vrbl 6 10.00 Overcast OVC012 78.1 75 90% 81 29.98 1015.9
13 09:56 NW 5 10.00 Overcast OVC006 75.9 75 97% 75 29.97 1015.6
13 08:56 Calm 6.00 Overcast with Haze OVC004 71.6 0 0% 29.96 1015.6
13 07:56 Calm 7.00 Overcast OVC006 71.6 0 73 71.1 0% 29.96 1015.5 0.01
13 06:56 Calm 5.00 Light Rain OVC006 71.6 0 0% 29.95 1015.2 0.01
13 05:56 Calm 9.00 Light Rain OVC010 71.6 0 0% 29.92 1014.2
13 04:56 Calm 10.00 Overcast OVC006 71.6 0 0% 29.94 1014.9
13 03:56 Calm 10.00 Overcast OVC006 71.6 0 0% 29.96 1015.3
13 02:56 Calm 10.00 Overcast OVC008 72 72 100% 29.98 1016.0
13 01:56 Calm 10.00 Overcast OVC010 73 73 75 73 100% 30 1016.9
13 00:56 Calm 10.00 Overcast OVC012 73 73 100% 30 1016.9
12 23:56 Vrbl 3 10.00 Overcast OVC016 73.9 73.9 100% 30.01 1017.0
12 22:56 Vrbl 3 10.00 Overcast BKN018 OVC023 73 73 100% 30.02 1017.5
12 21:56 SE 5 10.00 A Few Clouds FEW018 73 73 100% 30.04 1018.1
12 20:56 Calm 10.00 Overcast OVC020 73.9 73.9 100% 30.04 1018.3
12 19:56 Calm 10.00 Overcast BKN021 OVC065 73.9 73.9 80.1 73.9 100% 30.04 1018.1
12 18:56 Vrbl 3 10.00 Overcast BKN030 BKN036 OVC060 75.9 73.9 94% 75 30.04 1018.4
12 17:56 Calm 10.00 Overcast BKN021 OVC030 77 75 94% 78 30.03 1018.0
12 16:56 Vrbl 5 10.00 Overcast BKN023 OVC032 77 73.9 90% 78 30.02 1017.6
12 15:56 SE 9 10.00 Overcast BKN023 BKN028 OVC037 78.1 72 82% 80 30.04 1018.4
12 14:56 SE 9 10.00 Overcast OVC023 77 71.1 82% 79 30.07 1019.4
12 13:56 S 9 10.00 Overcast OVC027 79 69.1 80.1 68 72% 82 30.08 1019.7
12 12:56 Calm 10.00 Overcast BKN025 OVC039 80.1 69.1 69% 83 30.09 1020.1
12 11:56 Vrbl 6 10.00 Overcast OVC035 77 66.9 71% 79 30.11 1020.6
12 10:56 SE 14 10.00 Overcast BKN037 BKN044 OVC070 75 64.9 71% 77 30.12 1020.9
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)