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.
14 16:56 NW 19 G 30 16.09 Overcast OVC055 13.9 4.4 53% 75.82 1012.2
14 15:56 NW 19 G 28 16.09 Overcast BKN049 OVC060 13.9 4.4 53% 75.82 1012.2
14 14:56 W 17 G 28 16.09 Overcast OVC050 15 5.6 54% 75.82 1012.2
14 13:56 W 22 G 35 16.09 Overcast OVC047 13.9 4.4 16.1 11.1 53% 75.82 1012.3
14 12:56 NW 20 G 33 16.09 Overcast BKN040 OVC050 13.3 5.6 60% 75.84 1012.5
14 11:56 NW 19 G 39 16.09 Mostly Cloudy BKN043 15.6 5 50% 75.84 1012.3
14 10:56 NW 31 G 39 16.09 Mostly Cloudy BKN037 15 6.1 56% 75.84 1012.2
14 09:56 NW 15 G 33 16.09 Fair CLR 13.9 6.1 60% 75.84 1012.5
14 08:56 Vrbl 11 16.09 Fair CLR 12.8 7.8 72% 75.84 1012.5
14 07:56 NW 9 16.09 Overcast SCT070 OVC085 11.1 11.1 11.1 10 100% 75.82 1011.9 0.03
14 06:56 NW 9 16.09 Overcast BKN055 OVC070 11 0 0% 75.77 1011.3
14 05:56 Calm 16.09 Mostly Cloudy SCT050 BKN070 BKN110 11 0 0% 75.69 1010.5
14 04:56 Calm 16.09 Overcast BKN050 BKN060 OVC075 11 0 0% 75.69 1010.5 0.03 0.03
14 02:56 Calm 14.48 Overcast FEW001 SCT070 OVC110 11 0 0% 75.69 1010.4
14 01:56 Calm 4.02 Fog/Mist FEW005 BKN085 OVC120 11 0 18.3 11.1 0% 75.72 1010.8 0.81
14 00:56 Calm 8.05 Overcast with Haze OVC100 12 0 0% 75.77 1011.2
13 23:56 Calm 12.87 Mostly Cloudy BKN100 12 0 0% 75.77 1011.4
13 22:56 Calm 16.09 Mostly Cloudy BKN110 13 0 0% 75.77 1011.3 0.05 0.81
13 21:56 S 9 16.09 Light Rain BKN075 OVC090 13 0 0% 75.77 1011.4 0.28
13 20:56 NW 7 12.87 Thunderstorm in Vicinity Rain FEW045 BKN060 OVC075 12.8 12.8 100% 75.79 1011.8 0.48
13 19:56 S 7 16.09 A Few Clouds FEW120 18.3 11.7 23.9 18.3 66% 75.67 1010.1
13 18:56 Vrbl 11 16.09 Fair CLR 19.4 11.7 61% 75.64 1009.7
13 17:56 S 19 G 30 16.09 Partly Cloudy SCT090 SCT110 19.4 10.6 57% 75.69 1010.4
13 16:56 S 13 16.09 Overcast BKN080 OVC100 19.4 11.1 59% 75.72 1010.6
13 15:56 SW 13 G 26 16.09 Light Rain FEW060 OVC080 20 10.6 55% 75.82 1012.0
13 14:56 S 17 G 30 16.09 Mostly Cloudy FEW055 SCT090 BKN110 22.8 8.9 41% 75.84 1012.1
13 13:56 Vrbl 9 G 28 16.09 A Few Clouds FEW095 23.3 8.9 24.4 16.1 40% 75.92 1013.1
13 12:56 S 13 G 28 16.09 Partly Cloudy SCT080 22.8 7.8 38% 75.97 1013.9
13 11:56 S 19 G 26 16.09 Fair CLR 21.7 7.8 41% 75.97 1014.1
13 10:56 S 15 16.09 Mostly Cloudy BKN085 20.6 7.2 42% 76.07 1015.3
13 09:56 Vrbl 11 16.09 Mostly Cloudy BKN090 19.4 7.2 45% 76.12 1016.0
13 08:56 S 17 G 26 16.09 Fair CLR 17.8 6.7 48% 76.15 1016.4
13 07:56 SW 13 16.09 Fair CLR 16.1 5.6 16.1 13.3 50% 76.17 1016.8
13 06:56 SW 15 16.09 Fair CLR 13.9 5 55% 76.2 1017.1
13 05:56 SW 7 16.09 Fair CLR 13.9 4.4 53% 76.2 1017.1
13 04:56 S 17 16.09 Fair CLR 13.9 4.4 53% 76.23 1017.3
13 03:56 S 15 16.09 Fair CLR 14.4 5 53% 76.25 1017.7
13 02:56 S 15 16.09 Fair CLR 15 5.6 54% 76.28 1018.1
13 01:56 S 15 16.09 Fair CLR 14.4 7.8 18.3 13.3 65% 76.33 1018.9
13 00:56 SE 15 16.09 Fair CLR 13.9 8.9 72% 76.38 1019.6
12 23:56 SE 13 16.09 Fair CLR 13.9 7.8 67% 76.4 1019.9
12 22:56 SE 11 16.09 Fair CLR 13.9 7.2 64% 76.45 1020.4
12 21:56 SE 15 16.09 Fair CLR 15.6 7.2 58% 76.48 1020.8
12 20:56 SE 11 16.09 Fair CLR 17.2 6.7 50% 76.45 1020.3
12 19:56 SE 15 16.09 Fair CLR 18.3 6.7 22.2 18.3 47% 76.43 1020.3
12 18:56 S 13 16.09 Fair CLR 21.1 6.7 39% 76.43 1020.4
12 17:56 S 13 16.09 Fair CLR 21.7 5.6 35% 76.45 1020.7
12 16:56 S 13 16.09 Fair CLR 21.7 5 34% 76.5 1021.3
12 15:56 S 13 16.09 Fair CLR 21.7 3.9 31% 76.5 1021.3
12 14:56 Vrbl 11 16.09 Fair CLR 20.6 3.9 33% 76.58 1022.3
12 13:56 SW 11 16.09 Fair CLR 18.9 3.9 19.4 8.3 37% 76.66 1023.5
12 12:56 Vrbl 6 16.09 Fair CLR 18.3 1.7 33% 76.73 1024.3
12 11:56 Vrbl 9 16.09 Fair CLR 16.7 1.1 35% 76.81 1025.3
12 10:56 Calm 16.09 Fair CLR 16.1 0.6 35% 76.86 1025.9
12 08:56 Calm 16.09 Fair CLR 12.2 1.7 49% 76.89 1026.5
12 07:56 Calm 16.09 Fair CLR 8.3 4.4 8.3 3.3 77% 76.84 1026.0
12 06:56 Calm 16.09 Fair CLR 5 5 100% 76.81 1025.7
12 05:56 Calm 16.09 Fair CLR 4 0 0% 76.73 1024.7
12 04:56 Calm 16.09 Fair CLR 4 0 0% 76.73 1024.5
12 03:56 Calm 16.09 Fair CLR 5 0 0% 76.68 1023.9
12 02:56 Calm 16.09 A Few Clouds FEW095 6 0 0% 76.68 1023.7
12 01:56 Calm 16.09 Fair CLR 6.1 6.1 14.4 6.1 100% 76.66 1023.6
12 00:56 Calm 16.09 Fair CLR 6.7 6.7 100% 76.66 1023.4
11 23:56 Calm 16.09 Fair CLR 8.3 7.8 97% 76.66 1023.4
11 22:56 W 6 16.09 Fair CLR 10 5.6 74% 76.63 1023.2
11 21:56 SW 6 16.09 Fair CLR 11.7 3.9 59% 76.61 1022.7
11 20:56 Calm 16.09 Fair CLR 9.4 4.4 71% 76.56 1022.2
11 19:56 Calm 16.09 Fair CLR 13.9 0 17.8 13.3 39% 76.5 1021.4
11 18:56 Calm 16.09 Fair CLR 16.1 -1.1 31% 76.5 1021.1
11 17:56 Calm 16.09 Fair CLR 16.7 0 32% 76.48 1020.9
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)