Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
13 11:56 SW 15 16.09 Overcast SCT043 BKN065 OVC095 22.2 15 64% 76.53 1021.4
13 10:56 SW 17 G 26 16.09 Fair CLR 25 13.3 48% 26 76.58 1021.8
13 09:56 S 13 G 28 16.09 Fair CLR 23.3 13.9 56% 76.58 1022.0
13 08:56 SW 17 G 28 16.09 Fair CLR 20.6 13.9 66% 76.61 1022.5
13 07:56 S 13 16.09 Partly Cloudy SCT110 18.3 15.6 18.3 13.9 84% 76.63 1022.8
13 06:56 Vrbl 11 16.09 Fair CLR 16.7 16.1 96% 76.63 1022.7
13 05:56 S 7 16.09 Fair CLR 16.7 15.6 93% 76.58 1022.2
13 04:56 S 7 16.09 Fair CLR 15.6 15 96% 76.63 1022.6
13 03:56 S 9 16.09 Fair CLR 15 13.9 93% 76.63 1022.6
13 02:56 SE 9 16.09 Fair CLR 14.4 12.8 90% 76.66 1023.2
13 01:56 S 15 16.09 Fair CLR 14.4 11.7 17.2 13.9 84% 76.73 1024.3
13 00:56 SE 11 16.09 Fair CLR 13.9 11.1 83% 76.81 1025.1
12 23:56 SE 17 16.09 Fair CLR 14.4 9.4 72% 76.84 1025.7
12 22:56 SE 17 16.09 Fair CLR 14.4 7.8 65% 76.89 1026.3
12 21:56 E 6 16.09 Fair CLR 14.4 5.6 56% 76.91 1026.5
12 20:56 SE 15 16.09 Fair CLR 15.6 3.9 46% 76.91 1026.6
12 19:56 SE 19 16.09 Fair CLR 17.2 5 22.2 17.2 45% 76.89 1026.4
12 18:56 S 24 16.09 Fair CLR 19.4 5.6 41% 76.91 1026.6
12 17:56 SE 17 16.09 Fair CLR 20.6 6.7 41% 76.94 1026.9
12 16:56 SE 22 G 31 16.09 Fair CLR 21.7 7.2 39% 76.94 1027.0
12 15:56 S 22 G 30 16.09 Fair CLR 22.2 7.2 38% 76.99 1027.7
12 14:56 S 22 G 35 16.09 Fair CLR 21.7 7.2 39% 77.09 1028.9
12 13:56 SE 20 G 37 16.09 Fair CLR 21.1 5.6 21.7 9.4 37% 77.17 1030.2
12 12:56 SE 19 16.09 Fair CLR 20 5 38% 77.24 1031.0
12 11:56 S 22 16.09 Fair CLR 18.9 6.1 43% 77.32 1032.3
12 10:56 S 19 16.09 Fair CLR 17.8 5 43% 77.34 1032.5
12 09:56 SE 9 16.09 Fair CLR 15 4.4 49% 77.37 1032.8
12 08:56 Vrbl 9 16.09 Fair CLR 12.8 3.3 53% 77.39 1033.2
12 07:56 Vrbl 6 16.09 Fair CLR 9.4 1.7 9.4 6.1 59% 77.37 1033.0
12 06:56 E 6 16.09 Fair CLR 7.8 1.1 63% 77.34 1032.6
12 05:56 E 7 16.09 Fair CLR 7.2 1.7 68% 6 77.29 1031.9
12 04:56 E 6 16.09 A Few Clouds FEW070 7.2 2.8 74% 77.29 1031.6
12 03:56 Calm 16.09 Fair CLR 6.7 3.9 83% 77.24 1031.2
12 02:56 Calm 16.09 Fair CLR 6.1 4.4 89% 77.22 1030.8
12 01:56 Calm 16.09 Fair CLR 6.7 3.9 16.7 6.7 83% 77.19 1030.6
12 00:56 Calm 16.09 Fair CLR 7.8 3.9 77% 77.19 1030.4
11 23:56 Calm 16.09 Fair CLR 8.9 3.3 68% 77.14 1029.9
11 22:56 Calm 16.09 Fair CLR 10.6 2.8 59% 77.11 1029.5
11 21:56 SE 6 16.09 Fair CLR 12.8 1.7 47% 77.09 1029.1
11 20:56 NE 6 16.09 Fair CLR 11.7 5 64% 77.04 1028.3
11 19:56 Calm 16.09 Fair CLR 16.7 1.7 21.1 16.1 37% 77.01 1028.1
11 18:56 NW 7 16.09 Fair CLR 18.9 1.1 30% 76.96 1027.5
11 17:56 NW 11 16.09 Fair CLR 20 2.2 31% 76.94 1027.0
11 16:56 Vrbl 7 16.09 Fair CLR 21.1 2.2 29% 76.94 1026.8
11 15:56 NW 7 16.09 Fair CLR 20 3.3 33% 76.94 1026.7
11 14:56 NW 15 G 28 16.09 Fair CLR 18.9 3.3 36% 76.94 1027.0
11 13:56 NW 13 16.09 Fair CLR 19.4 2.8 20 15 33% 76.96 1027.3
11 12:56 Vrbl 11 16.09 Fair CLR 18.9 3.9 37% 77.01 1027.8
11 11:56 NW 19 G 31 16.09 Fair CLR 17.2 3.3 40% 77.04 1028.2
11 10:56 N 17 G 30 16.09 Fair CLR 16.7 4.4 44% 77.01 1027.9
11 09:56 NW 15 16.09 A Few Clouds FEW036 16.7 7.2 54% 76.96 1027.2
11 08:56 NW 13 G 30 16.09 A Few Clouds FEW032 15 7.8 62% 76.91 1026.6
11 07:56 Vrbl 9 16.09 A Few Clouds FEW050 15.6 11.1 17.2 13.3 75% 76.84 1025.6
11 06:56 NW 11 16.09 Mostly Cloudy SCT036 BKN042 13.9 13.9 100% 76.76 1024.3
11 05:56 W 7 16.09 Fair CLR 14.4 12.8 90% 76.68 1023.6
11 04:56 NW 19 16.09 A Few Clouds FEW100 16.1 12.2 78% 76.61 1022.3
11 03:56 Calm 16.09 Overcast OVC090 17.2 11.1 68% 76.61 1022.1
11 02:56 Calm 16.09 Partly Cloudy SCT100 16.1 8.9 63% 76.61 1022.3
11 01:56 Calm 16.09 Overcast OVC110 16.7 7.2 21.1 16.1 54% 76.61 1022.2
11 00:56 NW 6 16.09 Overcast OVC100 16.1 7.2 56% 76.61 1022.5
10 23:56 Vrbl 6 16.09 Mostly Cloudy BKN120 17.8 6.1 46% 76.56 1021.8
10 22:56 S 7 16.09 Fair CLR 17.8 6.7 48% 76.58 1022.2
10 21:56 SE 15 16.09 Fair CLR 18.3 6.1 45% 76.61 1022.8
10 20:56 SE 13 16.09 Fair CLR 18.9 6.1 43% 76.58 1022.2
10 19:56 S 19 16.09 Fair CLR 21.1 5 25 21.1 35% 76.56 1022.0
10 18:56 SE 19 G 31 16.09 Fair CLR 22.8 5 32% 76.56 1021.9
10 17:56 SE 15 16.09 Fair CLR 24.4 6.1 31% 25 76.58 1022.1
10 16:56 SE 13 16.09 Fair CLR 24.4 6.7 32% 25 76.61 1022.3
10 15:56 SE 20 16.09 Fair CLR 23.9 6.7 33% 25 76.66 1023.1
10 14:56 SE 19 16.09 Fair CLR 23.3 6.1 33% 76.73 1024.1
10 13:56 S 13 16.09 Fair CLR 22.8 6.1 22.8 6.7 34% 76.84 1025.6
10 12:56 S 11 16.09 Fair CLR 21.1 6.1 38% 76.94 1027.0
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)