Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (est) 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.
01 02:56 Vrbl 9 16.09 Fair CLR -11.7 -16.7 67% -16 76.07 1016.7
01 01:56 Vrbl 11 16.09 Fair CLR -11.1 -16.7 64% -16 76.07 1016.7
01 00:56 N 13 16.09 Fair CLR -10 -15.6 -8.9 -10 64% -16 76.12 1017.1
31 23:56 Vrbl 11 16.09 Fair CLR -9.4 -15.6 61% -14 76.2 1018.4
31 22:56 Vrbl 9 16.09 Fair CLR -9.4 -15 64% -14 76.28 1019.2
31 21:56 Vrbl 7 16.09 Fair CLR -8.9 -15 62% -12 76.28 1019.4
31 20:56 N 7 16.09 Fair CLR -8.9 -15 62% -12 76.35 1020.5
31 19:56 Vrbl 7 16.09 Fair CLR -8.9 -15 62% -12 76.33 1020.3
31 18:56 Vrbl 9 16.09 Fair CLR -8.9 -15 -3.3 -8.9 62% -13 76.38 1021.0
31 17:56 Vrbl 6 16.09 Fair CLR -8.3 -15 59% 76.43 1021.5
31 16:56 Vrbl 9 16.09 Fair CLR -6.1 -14.4 52% -10 76.38 1021.0
31 15:56 Vrbl 9 16.09 Fair CLR -5 -14.4 48% -9 76.4 1021.2
31 14:56 N 11 16.09 Fair CLR -5 -14.4 48% -9 76.43 1021.6
31 13:56 Vrbl 9 16.09 Fair CLR -3.9 -14.4 44% -7 76.5 1022.2
31 12:56 NW 7 16.09 A Few Clouds FEW035 -3.3 -13.9 -3.3 -16.1 44% -6 76.58 1023.2
31 11:56 Vrbl 6 16.09 Partly Cloudy SCT035 -4.4 -15 44% 76.66 1024.3
31 10:56 Vrbl 7 16.09 Fair CLR -4.4 -15 44% -7 76.73 1025.3
31 09:56 Vrbl 6 16.09 Fair CLR -6.7 -15.6 50% 76.73 1025.6
31 08:56 Vrbl 6 16.09 Fair CLR -9.4 -16.1 59% 76.76 1025.9
31 07:56 Calm 16.09 Fair CLR -15 -20.6 63% 76.78 1026.2
31 06:56 Calm 16.09 Fair CLR -15.6 -21.1 -13.3 -17.8 63% 76.76 1025.9
31 05:56 NW 6 16.09 Fair CLR -16.7 -21.1 69% 76.73 1025.8
31 04:56 Calm 16.09 Fair CLR -16.7 -22.2 63% 76.78 1026.4
31 03:56 Calm 16.09 Fair CLR -16.7 -22.2 63% 76.78 1026.4
31 02:56 Calm 16.09 Fair CLR -15 -21.1 60% 76.84 1027.0
31 01:56 Calm 16.09 Fair CLR -14.4 -21.1 57% 76.84 1027.1
31 00:56 Calm 16.09 Fair CLR -13.3 -20.6 -10.6 -13.9 55% 76.86 1027.2
30 23:56 NW 7 16.09 Fair CLR -12.2 -19.4 55% -16 76.86 1027.0
30 22:56 Calm 16.09 Fair CLR -13.9 -20.6 57% 76.86 1027.2
30 21:56 Calm 16.09 Fair CLR -13.3 -21.1 52% 76.84 1027.1
30 20:56 Calm 16.09 Fair CLR -13.3 -20 57% 76.81 1026.8
30 19:56 Calm 16.09 Fair CLR -11.7 -20 51% 76.78 1026.4
30 18:56 Calm 16.09 Fair CLR -11.1 -18.9 -6.1 -11.1 53% 76.78 1026.4
30 17:56 NW 11 16.09 Fair CLR -9.4 -18.3 49% -14 76.76 1026.1
30 16:56 NW 15 16.09 Fair CLR -7.8 -17.8 45% -13 76.76 1026.1
30 15:56 NW 7 16.09 Fair CLR -7.2 -17.8 43% -10 76.78 1026.2
30 14:56 NW 17 G 28 16.09 Fair CLR -7.2 -18.3 41% -13 76.78 1026.2
30 13:56 NW 13 16.09 Fair CLR -6.7 -17.8 41% -12 76.84 1026.9
30 12:56 NW 22 16.09 Fair CLR -6.1 -17.8 -5.6 -16.7 39% -13 76.86 1027.4
30 11:56 NW 17 G 37 16.09 Fair CLR -5.6 -17.2 40% -11 76.91 1028.0
30 10:56 NW 15 16.09 Fair CLR -6.7 -17.8 41% -12 76.99 1028.8
30 09:56 NW 13 16.09 Fair CLR -8.9 -17.8 49% -14 76.99 1028.9
30 08:56 NW 19 16.09 Fair CLR -11.7 -16.7 67% -19 76.96 1028.6
30 07:56 NW 7 16.09 Fair CLR -14.4 -18.9 69% -19 76.91 1028.1
30 06:56 NW 9 16.09 Fair CLR -16.7 -21.1 -12.8 -17.8 69% -22 76.86 1027.6
30 05:56 NW 6 16.09 Fair CLR -16.1 -20 72% 76.86 1027.3
30 04:56 NW 6 16.09 Fair CLR -16.7 -21.7 65% 76.86 1027.3
30 03:56 NW 6 16.09 Fair CLR -15 -20.6 63% 76.84 1027.1
30 02:56 NW 7 16.09 Fair CLR -13.3 -18.3 66% -18 76.81 1026.8
30 01:56 W 13 16.09 Fair CLR -12.8 -17.8 66% -19 76.81 1026.5
30 00:56 NW 7 16.09 Fair CLR -13.9 -19.4 -8.9 -14.4 63% -18 76.78 1026.4
29 23:56 Calm 16.09 Fair CLR -13.3 -18.9 63% 76.81 1026.7
29 22:56 NW 9 16.09 Fair CLR -11.7 -18.3 58% -16 76.81 1026.6
29 21:56 NW 9 16.09 Fair CLR -10.6 -17.8 56% -15 76.81 1026.6
29 20:56 NW 15 16.09 Fair CLR -10 -17.2 56% -16 76.84 1026.8
29 19:56 NW 11 16.09 Fair CLR -9.4 -16.7 56% -14 76.81 1026.6
29 18:56 W 7 16.09 Fair CLR -8.9 -16.7 -4.4 -8.9 54% -12 76.78 1026.2
29 17:56 W 13 16.09 Fair CLR -7.8 -16.7 49% -13 76.73 1025.6
29 16:56 W 15 16.09 Partly Cloudy SCT050 -6.7 -16.1 48% -12 76.71 1025.3
29 15:56 NW 20 G 33 16.09 Mostly Cloudy BKN048 -6.1 -15.6 47% -12 76.68 1024.9
29 14:56 W 15 16.09 Overcast OVC046 -6.1 -16.1 45% -11 76.71 1025.1
29 13:56 NW 17 16.09 Mostly Cloudy BKN046 -5 -15 46% -10 76.71 1025.0
29 12:56 W 33 G 43 16.09 Partly Cloudy and Breezy SCT044 -5.6 -16.1 -5 -14.4 44% -14 76.71 1025.1
29 11:56 NW 17 G 30 16.09 Partly Cloudy SCT044 -5.6 -16.1 44% -11 76.76 1025.9
29 10:56 W 19 16.09 Fair CLR -6.1 -16.7 43% -12 76.78 1026.2
29 09:56 Vrbl 11 16.09 Fair CLR -6.7 -16.7 45% -11 76.81 1026.5
29 08:56 W 9 16.09 Fair CLR -8.9 -16.7 54% -13 76.81 1026.4
29 06:56 Calm 16.09 Fair CLR -13.3 -19.4 -11.7 -14.4 60% 76.71 1025.4
29 05:56 NW 11 16.09 Fair CLR -12.8 -18.9 61% -18 76.66 1024.7
29 04:56 NW 19 G 28 16.09 Fair CLR -11.7 -18.3 58% -19 76.61 1023.8
29 03:56 NW 11 16.09 Fair CLR -12.2 -17.8 63% -18 76.58 1023.4
Date Time (est) 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)