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 13:56 W 5 6.00 Fair with Haze CLR 88 69.1 91 73 54% 92 30.16 1022.0
14 12:56 SW 5 4.00 Fair with Haze CLR 89.1 69.1 52% 94 30.18 1022.7
14 11:56 Vrbl 3 5.00 Fair with Haze CLR 84.9 70 61% 89 30.19 1023.3
14 10:56 SW 5 10.00 Fair CLR 82.9 69.1 63% 87 30.19 1023.2
14 09:56 W 8 10.00 Fair CLR 80.1 69.1 69% 83 30.2 1023.4
14 08:56 W 6 10.00 Fair CLR 77 69.1 77% 79 30.19 1023.3
14 07:56 Vrbl 6 10.00 Fair CLR 73 69.1 73 64 87% 30.19 1023.2
14 06:56 Calm 10.00 Fair CLR 64.4 0 0% 30.19 1023.5
14 05:56 Calm 10.00 Fair CLR 64.4 0 0% 30.19 1023.3
14 04:56 Calm 10.00 Fair CLR 66.2 0 0% 30.18 1023.0
14 03:56 Calm 10.00 Fair CLR 66.9 66.9 100% 30.19 1023.1
14 02:56 Calm 10.00 Fair CLR 70 66.9 90% 30.18 1022.9
14 01:56 Calm 10.00 Fair CLR 68 66 80.1 64.9 93% 30.2 1023.4
14 00:56 Calm 10.00 Fair CLR 66.9 64 91% 30.21 1023.7
13 23:56 Calm 10.00 Fair CLR 66.9 64.9 93% 30.22 1024.2
13 22:56 Calm 10.00 Fair CLR 70 59 68% 30.22 1024.3
13 21:56 SE 3 10.00 Fair CLR 73 60.1 64% 30.21 1023.8
13 20:56 SE 5 10.00 Fair CLR 75 61 62% 77 30.2 1023.5
13 19:56 Vrbl 3 10.00 Fair CLR 80.1 61 88 80.1 52% 81 30.2 1023.7
13 18:56 Calm 10.00 Fair CLR 82 62.1 51% 83 30.19 1023.1
13 17:56 Vrbl 5 10.00 Fair CLR 84.9 63 48% 86 30.18 1023.0
13 16:56 SE 7 10.00 Fair CLR 86 60.1 42% 86 30.18 1023.0
13 15:56 Calm 10.00 Fair CLR 87.1 57.9 37% 86 30.2 1023.5
13 14:56 SE 7 10.00 Fair CLR 84.9 57.9 40% 84 30.21 1023.9
13 13:56 SE 9 10.00 Fair CLR 84 61 84 70 46% 84 30.22 1024.3
13 12:56 SE 9 10.00 Fair CLR 82.9 61 48% 83 30.25 1025.1
13 11:56 SE 10 10.00 Fair CLR 81 62.1 53% 82 30.26 1025.7
13 10:56 SE 9 10.00 Fair CLR 80.1 62.1 54% 81 30.27 1025.9
13 09:56 Vrbl 3 10.00 Fair CLR 78.1 66 67% 80 30.27 1025.8
13 08:56 SE 5 10.00 Fair CLR 73.9 66.9 79% 30.27 1025.8
13 07:56 Calm 10.00 Fair CLR 71.1 66.9 71.1 62.1 87% 30.26 1025.5
13 06:56 Calm 10.00 Fair CLR 64.9 64.9 100% 30.24 1025.1
13 05:56 Calm 10.00 Fair CLR 62.6 0 0% 30.22 1024.4
13 04:56 Calm 10.00 Fair CLR 62.6 0 0% 30.21 1024.2
13 03:56 Calm 10.00 Fair CLR 63 63 100% 30.21 1024.0
13 02:56 Calm 10.00 Fair CLR 64 64 100% 30.22 1024.2
13 01:56 Calm 10.00 Fair CLR 64.9 64 77 64.9 97% 30.23 1024.7
13 00:56 Calm 10.00 Fair CLR 66.9 63 87% 30.23 1024.5
12 23:56 Calm 10.00 Mostly Cloudy BKN100 69.1 63 81% 30.22 1024.3
12 22:56 SE 3 10.00 Overcast OVC120 72 61 68% 30.22 1024.3
12 21:56 SE 7 10.00 Overcast OVC100 75 60.1 60% 77 30.21 1023.9
12 20:56 SE 8 10.00 Overcast OVC110 75.9 61 60% 78 30.19 1023.1
12 19:56 SE 6 10.00 Mostly Cloudy BKN120 78.1 64 84.9 78.1 62% 80 30.19 1023.3
12 18:56 SE 8 10.00 Overcast BKN047 OVC055 79 64.9 62% 81 30.18 1022.8
12 17:56 Vrbl 6 10.00 Partly Cloudy SCT047 81 69.1 67% 84 30.17 1022.4
12 16:56 Vrbl 3 10.00 Mostly Cloudy BKN045 BKN055 80.1 72 76% 84 30.16 1022.2
12 15:56 Vrbl 7 6.00 Partly Cloudy with Haze FEW031 SCT040 82.9 70 65% 87 30.16 1022.0
12 14:56 Vrbl 5 10.00 Partly Cloudy FEW027 SCT110 81 73 77% 86 30.17 1022.4
12 13:56 SE 7 10.00 Partly Cloudy FEW026 SCT110 82.9 72 84 75 70% 88 30.17 1022.4
12 12:56 Vrbl 3 10.00 Mostly Cloudy SCT024 BKN032 82 72 72% 87 30.18 1022.9
12 11:56 Vrbl 6 10.00 Partly Cloudy FEW018 SCT031 81 72 74% 85 30.19 1023.2
12 10:56 Calm 10.00 Overcast SCT016 BKN024 OVC031 77 73 88% 78 30.18 1022.9
12 09:56 Vrbl 3 10.00 Overcast OVC020 75 73 94% 73 30.18 1022.8
12 08:56 Vrbl 5 10.00 Overcast BKN016 OVC022 75 73 94% 73 30.16 1022.2
12 07:56 Vrbl 5 10.00 Overcast SCT012 OVC110 75 73.9 75 71.1 96% 73 30.14 1021.4
12 06:56 Calm 10.00 Mostly Cloudy FEW010 BKN015 71.6 0 0% 30.12 1020.8
12 05:56 Calm 10.00 Overcast BKN018 OVC027 71.6 0 0% 30.1 1020.0
12 04:56 Calm 10.00 Overcast OVC014 71.6 0 0% 30.09 1019.5
12 03:56 Vrbl 3 10.00 A Few Clouds FEW012 71.6 0 0% 30.07 1019.0
12 02:56 Calm 10.00 A Few Clouds FEW015 71.6 0 0% 30.06 1018.7
12 01:56 Calm 10.00 Overcast OVC021 73.4 0 80.1 73 0% 30.06 1018.6
12 00:56 Calm 10.00 Overcast BKN013 OVC019 73 73 100% 30.06 1018.7
11 23:56 Calm 10.00 Mostly Cloudy BKN017 73.9 73.9 100% 30.05 1018.4
11 22:56 Calm 10.00 Fair CLR 75 73.9 96% 73 30.04 1017.8
11 21:56 Calm 10.00 Partly Cloudy SCT110 75.9 72 88% 76 30.01 1017.1
11 20:56 Vrbl 3 10.00 Thunderstorm in Vicinity FEW037 SCT065 BKN110 78.1 71.1 79% 80 30 1016.6
11 19:56 Calm 10.00 Fair CLR 80.1 77 87.1 80.1 90% 86 29.98 1016.0
11 18:56 Calm 10.00 Partly Cloudy SCT037 82 75.9 82% 89 29.96 1015.4
11 17:56 Calm 10.00 Fair CLR 84 75 74% 92 29.95 1015.0
11 16:56 NW 7 10.00 A Few Clouds FEW036 86 72 63% 92 29.94 1014.7
11 15:56 W 6 8.00 Mostly Cloudy BKN035 86 73 65% 93 29.95 1014.7
11 14:56 W 8 7.00 Partly Cloudy SCT031 84.9 73.9 70% 92 29.96 1015.3
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)