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.
28 07:56 NW 13 16.09 Fair CLR -0.6 -7.8 2.8 -1.1 59% -4 77.37 1033.6
28 06:56 NW 11 16.09 Fair CLR -0.6 -8.3 56% -4 77.27 1032.0
28 05:56 NW 15 G 28 16.09 Fair CLR 0.6 -9.4 48% -3 77.17 1030.6
28 04:56 Vrbl 6 16.09 A Few Clouds FEW044 2.2 -4.4 62% 77.04 1028.8
28 03:56 Calm 16.09 Mostly Cloudy BKN060 2.8 -3.3 65% 76.91 1027.0
28 02:56 Calm 16.09 Overcast SCT043 OVC060 1.7 -1.1 82% 76.86 1026.6
28 01:56 Calm 16.09 Overcast OVC055 1.1 1.1 5 1.1 100% 76.81 1025.7
28 00:56 Calm 16.09 Fair CLR 1.7 -1.1 82% 76.78 1025.5
27 23:56 Calm 16.09 A Few Clouds FEW055 2.2 1.1 93% 76.78 1025.6
27 22:56 Calm 16.09 Overcast OVC050 3.3 1.7 89% 76.76 1024.8
27 21:56 Calm 16.09 A Few Clouds FEW046 3.3 0 79% 76.71 1024.2
27 20:56 Calm 16.09 Fair CLR 4.4 4.4 100% 76.63 1023.3
27 19:56 Calm 16.09 Overcast FEW055 OVC095 4.4 4.4 9.4 4.4 100% 76.58 1022.4 0.03 0.13
27 18:56 NE 6 16.09 Light Rain OVC090 5 5 100% 76.53 1022.0 0.03
27 17:56 Vrbl 6 12.87 Rain OVC070 5 3.9 93% 76.48 1021.3 0.08
27 16:56 N 9 16.09 Overcast OVC055 7.2 -1.1 56% 6 76.45 1020.5
27 15:56 Vrbl 11 16.09 Overcast OVC055 7.8 2.2 68% 6 76.4 1020.0
27 14:56 N 13 16.09 Overcast BKN034 OVC055 8.9 5 77% 7 76.4 1019.7
27 13:56 Vrbl 7 16.09 Overcast OVC023 9.4 6.7 13.9 8.9 83% 9 76.4 1019.8 0.23
27 12:56 NE 13 16.09 Overcast OVC019 9.4 8.9 97% 8 76.33 1019.0
27 11:56 N 11 16.09 Overcast BKN012 OVC018 10 10 100% 9 76.3 1018.5
27 10:56 Vrbl 7 16.09 Light Rain SCT018 OVC023 13 0 0% 76.2 1016.9 0.23
27 09:56 NW 7 16.09 Light Rain FEW015 BKN034 OVC060 13 0 0% 76.15 1016.1 0.05
27 08:56 Vrbl 6 12.87 Light Rain SCT025 BKN090 OVC110 13 0 0% 76.05 1014.8 0.18
27 07:56 N 9 14.48 Light Rain SCT010 OVC014 14 0 22.2 13.9 0% 76 1014.2 0.08 0.2
27 06:56 N 6 16.09 Light Rain FEW041 SCT050 OVC065 16 0 0% 75.82 1011.7 0.13
27 05:56 Vrbl 6 16.09 Light Rain FEW013 OVC060 16.7 16.7 100% 75.69 1010.2
27 04:56 N 6 16.09 Overcast BKN065 BKN080 OVC110 18.9 14.4 75% 75.64 1009.3
27 03:56 Calm 16.09 Fair CLR 18.9 12.2 65% 75.59 1008.7
27 02:56 Calm 16.09 A Few Clouds FEW110 21.1 11.7 55% 75.59 1008.6
27 01:56 W 9 16.09 Partly Cloudy FEW070 SCT085 22.2 11.7 23.9 22.2 52% 75.54 1008.0
27 00:56 SW 17 G 31 16.09 Fair CLR 22.8 11.7 50% 75.54 1008.0
26 23:56 SW 19 G 28 16.09 Fair CLR 22.8 11.7 50% 75.54 1008.1
26 22:56 SW 20 G 37 16.09 Fair CLR 22.8 11.7 50% 75.51 1007.6
26 21:56 SW 19 G 35 16.09 Fair CLR 23.3 11.1 46% 75.46 1006.8
26 20:56 SW 20 G 33 16.09 Fair CLR 23.3 11.1 46% 75.54 1008.2
26 19:56 S 17 G 35 16.09 Fair CLR 23.9 11.1 26.7 23.9 45% 25 75.57 1008.4
26 18:56 SW 15 G 44 16.09 Fair CLR 25 11.7 43% 26 75.62 1009.2
26 17:56 SW 20 G 35 16.09 A Few Clouds FEW080 25.6 11.1 40% 26 75.69 1010.1
26 16:56 SW 20 G 31 16.09 Overcast OVC100 26.1 11.1 39% 26 75.77 1011.1
26 15:56 SW 17 G 31 16.09 Fair CLR 26.7 10.6 37% 26 75.79 1011.6
26 14:56 SW 19 G 31 16.09 Fair CLR 26.1 10 36% 26 75.9 1012.9
26 13:56 SW 20 G 28 16.09 Fair CLR 25.6 8.9 25.6 11.7 35% 26 76.02 1014.6
26 12:56 W 22 G 30 16.09 Fair CLR 23.9 7.8 36% 25 76.1 1015.8
26 11:56 SW 15 16.09 Fair CLR 22.2 6.7 37% 76.17 1016.7
26 10:56 S 13 16.09 Fair CLR 19.4 4.4 37% 76.23 1017.4
26 09:56 SW 15 16.09 Fair CLR 16.7 2.8 40% 76.25 1018.0
26 08:56 S 11 16.09 Fair CLR 13.9 2.2 45% 76.28 1018.3
26 07:56 SW 6 16.09 Fair CLR 11.7 1.7 11.7 8.3 51% 76.3 1018.5
26 06:56 Calm 16.09 Fair CLR 8.9 1.7 61% 76.28 1018.6
26 05:56 S 6 16.09 Fair CLR 8.9 1.7 61% 76.28 1018.2
26 04:56 S 7 16.09 Fair CLR 10.6 1.1 52% 76.28 1018.2
26 03:56 S 13 16.09 Fair CLR 11.7 1.7 51% 76.28 1018.1
26 02:56 S 13 16.09 Overcast OVC100 11.1 2.2 55% 76.33 1018.8
26 01:56 S 13 16.09 Overcast OVC110 10.6 2.8 12.2 10 59% 76.38 1019.8
26 00:56 S 15 16.09 A Few Clouds FEW110 10 2.8 61% 8 76.45 1020.8
25 23:56 SE 17 16.09 Overcast OVC100 10.6 2.2 56% 76.5 1021.6
25 22:56 SE 17 16.09 Fair CLR 11.1 1.7 53% 76.5 1021.4
25 21:56 SE 13 16.09 Fair CLR 11.1 0 47% 76.56 1022.1
25 20:56 SE 17 16.09 Fair CLR 11.7 0 45% 76.61 1022.8
25 19:56 SE 19 16.09 Fair CLR 12.2 -1.1 15.6 12.2 40% 76.61 1022.9
25 18:56 S 19 16.09 Fair CLR 12.8 -3.3 33% 76.61 1023.0
25 17:56 S 19 16.09 Mostly Cloudy BKN110 13.9 -2.8 32% 76.66 1023.4
25 16:56 S 19 G 31 16.09 A Few Clouds FEW110 13.9 -3.3 30% 76.73 1024.3
25 15:56 S 24 G 35 16.09 Mostly Cloudy BKN110 15 -3.9 27% 76.76 1024.9
25 14:56 S 17 16.09 A Few Clouds FEW110 15 -2.2 31% 76.81 1025.7
25 13:56 S 20 G 31 16.09 Fair CLR 13.3 -1.7 13.9 4.4 36% 76.96 1027.4
25 12:56 SE 20 16.09 Partly Cloudy SCT090 11.7 -0.6 43% 77.04 1028.7
25 11:56 S 17 16.09 Partly Cloudy SCT110 10.6 -0.6 46% 77.11 1029.8
25 10:56 S 11 16.09 Overcast OVC095 10 -0.6 48% 9 77.14 1030.2
25 09:56 S 15 16.09 Fair CLR 8.9 -0.6 52% 7 77.14 1030.2
25 08:56 SW 13 16.09 A Few Clouds FEW100 6.1 -1.1 60% 4 77.14 1030.1
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)