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.
16 10:56 S 6 10.00 Fair CLR 77 62.1 60% 79 30.4 1030.6
16 09:56 SW 6 9.00 Fair CLR 72 61 68% 30.4 1030.6
16 08:56 SW 7 9.00 Fair CLR 68 60.1 76% 30.39 1030.3
16 07:56 S 3 10.00 Fair CLR 63 61 64.9 57.9 93% 30.38 1030.0
16 06:56 SE 3 10.00 Fair CLR 59 59 100% 30.37 1029.5
16 05:56 SE 3 10.00 Fair CLR 60.1 60.1 100% 30.36 1029.0
16 04:56 Calm 10.00 Fair CLR 59 59 100% 30.35 1028.7
16 03:56 Calm 10.00 Fair CLR 57.9 57.9 100% 30.34 1028.6
16 02:56 Calm 10.00 Fair CLR 59 59 100% 30.34 1028.4
16 01:56 S 3 10.00 Fair CLR 64 55.9 69.1 61 75% 30.34 1028.4
16 00:56 SE 6 10.00 Fair CLR 64 55.9 75% 30.34 1028.4
15 23:56 SE 6 10.00 Fair CLR 63 57 81% 30.36 1029.0
15 22:56 SE 3 10.00 Fair CLR 62.1 55.9 80% 30.36 1029.2
15 21:56 SE 3 10.00 Fair CLR 62.1 55 78% 30.36 1029.4
15 20:56 Calm 10.00 Fair CLR 64 54 70% 30.36 1029.3
15 19:56 Calm 10.00 Fair CLR 69.1 53.1 79 69.1 57% 30.34 1028.6
15 18:56 S 5 10.00 Fair CLR 75 53.1 46% 78 30.34 1028.5
15 17:56 SE 8 10.00 Fair CLR 78.1 52 40% 79 30.34 1028.6
15 16:56 SE 7 10.00 Fair CLR 77 53.1 43% 78 30.34 1028.6
15 15:56 SW 5 10.00 Fair CLR 79 52 39% 79 30.34 1028.6
15 14:56 Calm 10.00 Fair CLR 78.1 53.1 42% 79 30.36 1029.0
15 13:56 Vrbl 7 10.00 Fair CLR 75.9 51.1 75.9 54 42% 78 30.37 1029.7
15 12:56 SE 5 10.00 Fair CLR 73 50 44% 30.39 1030.2
15 11:56 Calm 10.00 Fair CLR 73 48.9 43% 30.4 1030.5
15 10:56 Vrbl 6 10.00 Fair CLR 71.1 50 47% 30.41 1030.8
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
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)