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.
19 01:56 Vrbl 6 16.09 Overcast OVC065 19.4 15 22.2 17.8 76% 76.53 1021.2
19 00:56 Calm 16.09 Overcast OVC065 18.9 17.8 93% 76.58 1021.9
18 23:56 Calm 16.09 Fair CLR 18 0 0% 76.58 1021.9
18 22:56 Calm 14.48 Fair CLR 18.3 18.3 100% 76.58 1021.8
18 21:56 Vrbl 6 16.09 Fair CLR 19.4 19.4 100% 76.53 1021.2
18 20:56 Calm 16.09 Fair CLR 20 20 100% 76.53 1021.3
18 19:56 Calm 16.09 Fair CLR 22.2 18.3 28.3 22.2 79% 76.5 1020.9
18 18:56 Calm 16.09 Fair CLR 25 19.4 71% 26 76.45 1020.3
18 17:56 Calm 16.09 Partly Cloudy SCT090 27.2 20 65% 29 76.43 1019.9
18 16:56 Calm 16.09 Overcast OVC075 26.7 21.1 71% 28 76.45 1020.1
18 15:56 Vrbl 6 16.09 Overcast FEW029 OVC055 26.7 21.7 74% 29 76.45 1020.1
18 14:56 Vrbl 6 16.09 Overcast BKN049 OVC075 26.1 21.1 74% 28 76.48 1020.4
18 13:56 Vrbl 6 16.09 Overcast FEW044 BKN060 OVC075 26.7 22.2 28.9 22.2 76% 29 76.5 1020.8
18 12:56 Calm 16.09 Overcast FEW033 OVC065 27.2 20.6 67% 29 76.53 1021.0
18 11:56 Calm 16.09 Mostly Cloudy SCT030 BKN036 BKN047 27.2 22.2 74% 30 76.56 1021.4
18 10:56 Calm 16.09 Mostly Cloudy FEW027 BKN034 BKN048 26.7 21.1 71% 28 76.58 1021.7
18 09:56 Calm 16.09 A Few Clouds FEW026 26.1 22.2 79% 28 76.56 1021.3
18 08:56 NW 6 16.09 Fair CLR 24.4 24.4 100% 24 76.53 1021.0
18 07:56 NW 6 16.09 Partly Cloudy SCT060 22 0 22.2 20 0% 76.5 1021.0
18 06:56 Calm 6.44 Fog/Mist FEW065 20.6 20.6 100% 76.5 1021.0
18 05:56 Calm 4.83 Fog/Mist BKN046 BKN055 21.1 21.1 100% 76.45 1020.1
18 04:56 Calm 11.27 Fair CLR 22 0 0% 76.45 1020.0
18 03:56 Calm 16.09 Partly Cloudy SCT120 22 0 0% 76.43 1019.8
18 02:56 Calm 8.05 A Few Clouds with Haze FEW120 22 0 0% 76.43 1020.0
18 01:56 Calm 16.09 Overcast OVC095 22 0 23.9 21.7 0% 76.48 1020.5
18 00:56 Calm 14.48 Mostly Cloudy SCT065 BKN095 22 0 0% 76.48 1020.6
17 23:56 NW 7 16.09 Overcast FEW070 OVC100 23 0 0% 76.53 1021.1
17 22:56 W 6 14.48 Overcast OVC095 22 0 0% 76.56 1021.6
17 21:56 Calm 16.09 Fair CLR 22.8 22.8 100% 76.58 1021.9
17 20:56 W 6 16.09 Fair CLR 23.3 23.3 100% 76.58 1022.0
17 19:56 SW 6 16.09 Mostly Cloudy SCT050 BKN075 23.9 23.9 26.7 23.9 100% 22 76.58 1021.9
17 18:56 Calm 16.09 Fair CLR 25 24.4 96% 25 76.58 1022.1
17 17:56 SW 11 16.09 Fair CLR 25.6 23.9 90% 27 76.58 1022.0
17 16:56 SW 6 16.09 Fair CLR 26.7 24.4 87% 30 76.61 1022.1
17 15:56 Calm 16.09 Fair CLR 25.6 25.6 100% 27 76.63 1022.8
17 14:56 S 9 16.09 Fair CLR 25 25 100% 25 76.68 1023.4
17 13:56 SE 11 14.48 Light Rain FEW032 BKN070 OVC100 24 0 30 20 0% 76.73 1024.1 0.41 0.76
17 12:56 Calm 2.41 Heavy Rain Fog/Mist FEW034 BKN043 BKN055 25.6 23.3 87% 27 76.84 1025.2 0.36
17 11:56 Calm 16.09 A Few Clouds FEW070 28.9 21.1 63% 31 76.84 1025.0
17 10:56 SE 9 16.09 Mostly Cloudy BKN070 BKN080 26.7 21.1 71% 28 76.89 1025.8
17 09:56 Calm 16.09 Mostly Cloudy BKN080 23.9 20.6 82% 24 76.89 1025.9
17 08:56 SE 11 16.09 A Few Clouds FEW070 22.2 20.6 91% 76.84 1025.5
17 07:56 Vrbl 6 16.09 Partly Cloudy SCT070 20 20 21.1 18.9 100% 76.89 1026.0
17 06:56 Calm 11.27 A Few Clouds FEW070 19 0 0% 76.89 1025.9
17 05:56 Calm 16.09 Fair CLR 20 20 100% 76.86 1025.6
17 04:56 SE 6 16.09 Partly Cloudy SCT050 20.6 20.6 100% 76.86 1025.7
17 03:56 SE 6 16.09 Overcast OVC055 21.1 21.1 100% 76.89 1025.9
17 02:56 SE 9 16.09 Mostly Cloudy BKN055 21.1 20.6 97% 76.91 1026.1
17 01:56 Calm 16.09 Fair CLR 20.6 20.6 25.6 20.6 100% 76.94 1026.5
17 00:56 Calm 16.09 Fair CLR 20.6 20.6 100% 76.96 1027.0
16 23:56 SE 7 16.09 Fair CLR 22.2 19.4 84% 76.99 1027.2
16 22:56 SE 7 16.09 Fair CLR 22.2 19.4 84% 77.01 1027.6
16 21:56 SE 7 16.09 Fair CLR 23.9 18.9 74% 25 77.01 1027.8
16 20:56 S 7 16.09 Fair CLR 24.4 18.3 69% 25 76.99 1027.6
16 19:56 S 9 16.09 Fair CLR 25.6 18.3 30 25.6 64% 27 76.96 1027.1
16 18:56 S 15 16.09 Fair CLR 26.7 18.3 60% 28 76.96 1027.2
16 17:56 Vrbl 7 16.09 Fair CLR 29.4 18.9 53% 31 76.99 1027.3
16 16:56 Vrbl 7 16.09 Fair CLR 29.4 18.3 51% 30 77.01 1027.7
16 15:56 SE 13 16.09 Fair CLR 28.9 18.3 53% 30 77.01 1027.9
16 14:56 Vrbl 6 16.09 Fair CLR 30 18.3 49% 31 77.06 1028.4
16 13:56 Calm 16.09 Fair CLR 28.3 17.2 28.9 17.2 51% 29 77.11 1029.1
16 12:56 SW 9 16.09 Fair CLR 27.2 17.2 54% 28 77.17 1029.8
16 11:56 Vrbl 7 16.09 Fair CLR 26.7 17.2 56% 27 77.19 1030.3
16 10:56 S 9 16.09 Fair CLR 25 16.7 60% 26 77.22 1030.6
16 09:56 SW 9 14.48 Fair CLR 22.2 16.1 68% 77.22 1030.6
16 08:56 SW 11 14.48 Fair CLR 20 15.6 76% 77.19 1030.3
16 07:56 S 6 16.09 Fair CLR 17.2 16.1 18.3 14.4 93% 77.17 1030.0
16 06:56 SE 6 16.09 Fair CLR 15 15 100% 77.14 1029.5
16 05:56 SE 6 16.09 Fair CLR 15.6 15.6 100% 77.11 1029.0
16 04:56 Calm 16.09 Fair CLR 15 15 100% 77.09 1028.7
16 03:56 Calm 16.09 Fair CLR 14.4 14.4 100% 77.06 1028.6
16 02:56 Calm 16.09 Fair CLR 15 15 100% 77.06 1028.4
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)