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 10:56 W 10 10.00 Fair CLR 86 73 65% 93 30.03 1017.9
15 09:56 W 9 10.00 Fair CLR 82.9 73 72% 89 30.04 1018.2
15 08:56 W 7 10.00 Fair CLR 80.1 73 79% 84 30.05 1018.5
15 07:56 W 5 10.00 Fair CLR 75.9 73 75.9 68 91% 76 30.05 1018.4
15 06:56 W 3 10.00 Fair CLR 69.8 0 0% 30.05 1018.3
15 05:56 Calm 10.00 Fair CLR 68 0 0% 30.04 1017.9
15 04:56 NW 5 10.00 Fair CLR 71.1 71.1 100% 30.02 1017.4
15 03:56 W 5 10.00 Fair CLR 72 71.1 97% 30.02 1017.3
15 02:56 W 5 10.00 Fair CLR 73 70 90% 30.03 1017.6
15 01:56 NW 3 10.00 Fair CLR 72 71.1 84.9 72 97% 30.04 1018.1
15 00:56 W 3 10.00 Fair CLR 75 70 84% 75 30.05 1018.4
14 23:56 W 3 10.00 Fair CLR 75 70 84% 75 30.06 1018.7
14 22:56 Calm 10.00 Fair CLR 75 72 90% 74 30.06 1018.8
14 21:56 W 3 10.00 Fair CLR 81 69.1 67% 84 30.06 1018.8
14 20:56 Vrbl 5 10.00 Fair CLR 82.9 69.1 63% 87 30.06 1018.8
14 19:56 W 5 10.00 Fair CLR 84 69.1 91 84 61% 88 30.07 1019.1
14 18:56 Vrbl 6 10.00 Fair CLR 86 70 59% 91 30.08 1019.3
14 17:56 W 5 10.00 Fair CLR 87.1 69.1 55% 91 30.1 1019.9
14 16:56 W 8 10.00 Fair CLR 89.1 71.1 55% 95 30.1 1020.1
14 15:56 Vrbl 7 9.00 Fair CLR 90 70 52% 95 30.12 1020.8
14 14:56 Vrbl 3 10.00 Fair CLR 90 68 48% 94 30.15 1021.7
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
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)