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.
25 07:56 S 7 16.09 Mostly Cloudy BKN110 4.4 -1.1 5.6 3.9 68% 3 77.17 1030.3
25 06:56 S 9 16.09 Fair CLR 4.4 -0.6 70% 2 77.11 1029.9
25 05:56 Vrbl 7 16.09 Fair CLR 3.9 -0.6 73% 2 77.11 1029.7
25 04:56 S 9 16.09 Fair CLR 4.4 -1.1 68% 2 77.09 1029.3
25 03:56 S 6 16.09 Fair CLR 4.4 -1.1 68% 77.09 1029.5
25 02:56 S 11 16.09 Fair CLR 5 -1.1 65% 3 77.11 1029.6
25 01:56 S 7 16.09 Mostly Cloudy BKN110 5.6 -1.7 8.9 4.4 60% 4 77.11 1029.7
25 00:56 SE 7 16.09 Fair CLR 5.6 -2.2 58% 4 77.14 1030.1
24 23:56 SE 7 16.09 Fair CLR 4.4 -2.8 60% 3 77.14 1030.3
24 22:56 Calm 16.09 Fair CLR 5.6 -3.3 53% 77.14 1030.2
24 21:56 SE 11 16.09 Fair CLR 6.1 -6.1 42% 4 77.14 1030.2
24 20:56 SE 7 16.09 Fair CLR 7.2 -7.2 35% 6 77.14 1030.2
24 19:56 Calm 16.09 Fair CLR 8.9 -8.3 11.1 7.8 29% 77.09 1029.6
24 18:56 SW 7 16.09 Fair CLR 8.9 -9.4 27% 8 77.09 1029.6
24 17:56 SW 13 16.09 Fair CLR 10.6 -7.8 27% 77.06 1029.4
24 16:56 Vrbl 9 16.09 Fair CLR 10.6 -7.2 28% 77.06 1029.3
24 15:56 W 9 16.09 Fair CLR 9.4 -7.8 29% 8 77.11 1030.1
24 14:56 S 9 16.09 Fair CLR 10 -7.8 28% 9 77.19 1030.7
24 13:56 Calm 16.09 Fair CLR 8.9 -7.8 8.9 -1.7 30% 77.24 1031.7
24 12:56 Calm 16.09 Fair CLR 7.8 -7.2 34% 77.32 1032.7
24 11:56 E 6 16.09 Fair CLR 6.7 -7.8 35% 77.37 1033.4
24 09:56 N 9 16.09 Fair CLR 3.9 -7.2 45% 2 77.37 1033.5
24 08:56 N 11 16.09 Fair CLR 1.7 -7.2 52% -1 77.32 1032.6
24 07:56 W 7 16.09 Fair CLR -1.7 -6.1 1.7 -2.2 72% -4 77.27 1032.2
24 06:56 W 6 16.09 Fair CLR -2.2 -7.2 69% 77.22 1031.5
24 05:56 NW 6 16.09 Fair CLR -1.7 -6.1 72% 77.14 1030.4
24 04:56 NW 6 16.09 Fair CLR -1.7 -5.6 75% 77.11 1030.1
24 03:56 NW 6 16.09 Fair CLR 0 -6.7 61% 77.09 1029.6
24 02:56 NW 11 16.09 Fair CLR 0.6 -7.2 56% -2 77.06 1029.2
24 01:56 NW 13 16.09 Fair CLR 1.7 -7.2 6.7 1.7 52% -2 77.04 1028.8
24 00:56 NW 11 16.09 Fair CLR 2.2 -6.7 52% -1 77.01 1028.3
23 23:56 NW 15 G 30 16.09 Overcast OVC060 3.3 -6.1 51% 0 76.96 1027.5
23 22:56 NW 24 G 35 16.09 A Few Clouds FEW065 3.9 -6.1 48% -0 76.89 1026.8
23 21:56 Vrbl 9 G 33 16.09 Partly Cloudy SCT065 5.6 -5 47% 4 76.84 1026.1
23 20:56 Vrbl 11 16.09 Mostly Cloudy FEW048 BKN065 6.1 -3.3 51% 4 76.76 1025.0
23 19:56 Vrbl 6 16.09 Overcast OVC060 6.7 -2.2 13.9 6.7 53% 76.66 1023.8
23 18:56 N 7 16.09 Overcast OVC060 7.2 -2.8 49% 6 76.61 1022.8
23 17:56 NW 17 G 44 16.09 Overcast OVC050 8.3 -2.8 46% 6 76.5 1021.4
23 16:56 NW 20 G 48 16.09 Mostly Cloudy BKN050 10 -2.2 43% 8 76.35 1019.4
23 15:56 NW 19 G 56 16.09 A Few Clouds FEW044 10 -0.6 48% 8 76.25 1017.9
23 14:56 NW 28 G 43 16.09 Overcast OVC042 12.2 1.7 49% 76.12 1016.1
23 13:56 NW 22 G 46 16.09 Mostly Cloudy BKN035 13.9 4.4 17.8 12.8 53% 76.07 1015.4
23 12:56 N 17 G 26 16.09 Mostly Cloudy FEW020 BKN025 BKN032 14.4 8.3 67% 76 1014.4
23 11:56 N 15 G 35 16.09 Overcast FEW021 BKN025 OVC035 13.3 10.6 84% 75.9 1013.0
23 10:56 NW 30 G 43 16.09 Overcast BKN027 OVC040 17.2 12.2 73% 75.72 1010.6
23 09:56 W 13 16.09 Partly Cloudy SCT041 16 0 0% 75.64 1009.4
23 08:56 W 7 16.09 Overcast OVC037 14 0 0% 75.57 1008.4
23 07:56 W 6 12.87 Fair CLR 13 0 16.7 12.8 0% 75.49 1007.6 0.23
23 06:56 Calm 16.09 Mostly Cloudy SCT100 BKN110 13 0 0% 75.39 1006.1 0.13
23 05:56 Calm 11.27 Rain BKN080 OVC100 13.9 13.9 100% 75.44 1006.8 0.1
23 04:56 Calm 16.09 Overcast OVC060 15 12.8 87% 75.49 1007.4
23 03:56 N 15 16.09 Overcast OVC011 15.6 15.6 100% 75.46 1007.2
23 02:56 Vrbl 7 16.09 Fair CLR 15.6 15.6 100% 75.36 1005.9
23 01:56 Vrbl 7 16.09 Fair CLR 16.7 13.9 25 16.1 84% 75.34 1005.2
23 00:56 Calm 16.09 Fair CLR 17.2 12.2 73% 75.26 1004.3
22 23:56 E 7 16.09 Fair CLR 18.9 11.7 63% 75.26 1004.2
22 22:56 NE 11 16.09 A Few Clouds FEW120 20.6 11.1 55% 75.31 1005.1
22 21:56 Calm 16.09 Fair CLR 21.1 9.4 47% 75.31 1005.2
22 20:56 Calm 16.09 Fair CLR 22.2 8.9 43% 75.29 1005.1
22 19:56 S 11 16.09 Fair CLR 24.4 8.9 28.9 24.4 37% 25 75.23 1004.4
22 18:56 S 15 16.09 Fair CLR 27.2 8.3 30% 27 75.21 1003.9
22 17:56 S 17 G 35 16.09 Fair CLR 28.3 9.4 31% 27 75.21 1003.7
22 16:56 S 20 G 31 16.09 Fair CLR 28.3 10.6 33% 27 75.29 1004.7
22 15:56 S 19 16.09 Fair CLR 28.3 10.6 33% 27 75.36 1005.7
22 14:56 S 15 16.09 Fair CLR 27.8 10.6 34% 27 75.46 1007.0
22 13:56 S 11 16.09 Fair CLR 25 10 25.6 7.8 39% 26 75.59 1008.6
22 12:56 S 17 16.09 Fair CLR 22.8 10.6 46% 75.64 1009.4
22 11:56 SE 11 16.09 Fair CLR 20.6 10.6 53% 75.72 1010.6
22 10:56 Vrbl 9 16.09 Fair CLR 17.2 10 63% 75.77 1011.4
22 09:56 S 13 16.09 Fair CLR 14.4 9.4 72% 75.82 1012.0
22 08:56 SE 13 16.09 Fair CLR 10.6 10 96% 75.84 1012.5
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)