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.
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
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
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)