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.
28 14:56 Calm 16.09 Fair CLR -5 -15 46% 76.38 1020.6
28 13:56 W 13 16.09 A Few Clouds FEW043 -5 -14.4 48% -10 76.43 1021.2
28 12:56 W 17 16.09 Fair CLR -5.6 -15 -2.8 -13.3 48% -11 76.53 1022.6
28 10:56 NW 17 16.09 Fair CLR -5 -15.6 44% -10 76.71 1025.2
28 09:56 NW 9 16.09 Fair CLR -6.1 -16.1 45% -10 76.76 1025.9
28 08:56 Vrbl 6 16.09 Fair CLR -7.2 -15 54% 76.81 1026.6
28 07:56 Calm 16.09 Fair CLR -12.8 -18.9 61% 76.81 1026.7
28 06:56 Calm 16.09 Fair CLR -12.2 -18.9 -8.3 -12.2 58% 76.78 1026.2
28 05:56 NW 6 16.09 Fair CLR -11.7 -18.9 56% 76.78 1026.1
28 04:56 W 13 16.09 Fair CLR -11.1 -18.9 53% -17 76.78 1026.1
28 03:56 NW 11 16.09 Fair CLR -10 -18.3 51% -15 76.78 1026.0
28 02:56 NW 30 G 39 16.09 Fair CLR -9.4 -17.8 51% -18 76.71 1025.0
28 01:56 NW 17 16.09 Fair CLR -9.4 -17.2 53% -16 76.68 1024.9
28 00:56 NW 24 16.09 Fair CLR -8.3 -16.1 -5 -8.3 54% -16 76.61 1023.5
27 23:56 NW 24 G 31 16.09 Mostly Cloudy BKN060 -7.8 -16.1 52% -15 76.58 1023.4
27 22:56 Vrbl 7 16.09 Partly Cloudy FEW050 SCT060 -7.2 -15 54% -10 76.56 1023.1
27 21:56 NW 13 G 39 16.09 Overcast BKN047 OVC060 -6.1 -13.9 54% -11 76.53 1022.6
27 20:56 NW 13 16.09 Overcast SCT048 OVC060 -5.6 -13.3 55% -10 76.48 1022.1
27 19:56 NW 19 G 37 16.09 Fair CLR -5.6 -13.9 52% -12 76.38 1020.8
27 18:56 NW 7 16.09 Fair CLR -5 -15 -1.7 -5.6 46% -8 76.3 1019.8
27 17:56 NW 7 16.09 Overcast OVC060 -4.4 -15 44% -7 76.2 1018.2
27 16:56 W 9 16.09 Overcast OVC070 -3.3 -15 40% -7 76.17 1017.7
27 15:56 W 11 16.09 Overcast BKN065 OVC110 -2.8 -15.6 37% -7 76.15 1017.6
27 14:56 SW 15 16.09 Mostly Cloudy BKN110 -2.2 -16.1 34% -7 76.15 1017.5
27 13:56 Vrbl 11 16.09 Overcast OVC120 -2.8 -16.1 35% -7 76.2 1018.3
27 12:56 SW 15 16.09 Mostly Cloudy BKN120 -1.7 -17.2 -1.1 -12.8 30% -6 76.3 1019.5
27 11:56 SW 15 16.09 Partly Cloudy SCT120 -2.2 -16.1 34% -7 76.45 1021.4
27 10:56 SW 11 16.09 Fair CLR -2.8 -15.6 37% -7 76.56 1023.0
27 09:56 SW 7 16.09 Fair CLR -3.9 -14.4 44% -7 76.61 1023.9
27 08:56 Vrbl 7 16.09 Fair CLR -7.8 -16.1 52% -11 76.66 1024.4
27 07:56 W 7 16.09 Fair CLR -12.8 -19.4 58% -17 76.71 1025.1
27 06:56 W 13 16.09 Fair CLR -12.2 -19.4 -9.4 -12.8 55% -18 76.71 1025.2
27 05:56 W 17 G 35 16.09 Fair CLR -11.7 -18.3 58% -19 76.73 1025.5
27 04:56 W 19 16.09 Fair CLR -11.7 -17.2 64% -19 76.71 1025.1
27 03:56 W 15 16.09 Fair CLR -11.7 -17.2 64% -18 76.68 1024.8
27 02:56 SW 7 16.09 Fair CLR -12.8 -18.9 61% -17 76.68 1024.7
27 01:56 W 6 16.09 Fair CLR -11.7 -17.8 61% 76.66 1024.4
27 00:56 NW 19 16.09 Fair CLR -9.4 -16.7 -7.8 -9.4 56% -16 76.63 1024.2
26 23:56 W 31 G 46 16.09 Fair CLR -8.9 -16.1 56% -18 76.58 1023.4
26 22:56 NW 24 16.09 Partly Cloudy SCT048 -8.3 -16.1 54% -16 76.53 1022.9
26 21:56 W 20 G 30 16.09 Mostly Cloudy BKN048 -8.3 -15.6 56% -15 76.5 1022.4
26 20:56 W 26 G 31 16.09 A Few Clouds FEW048 -7.8 -15 57% -16 76.45 1021.7
26 19:56 NW 13 16.09 Fair CLR -7.8 -15.6 54% -13 76.4 1021.0
26 18:56 NW 22 16.09 Fair CLR -7.8 -15.6 -2.8 -7.8 54% -15 76.35 1020.4
26 17:56 NW 35 G 43 16.09 Fair and Breezy CLR -7.2 -15 54% -16 76.25 1018.7
26 16:56 NW 24 G 37 16.09 Mostly Cloudy BKN050 -5.6 -14.4 50% -12 76.17 1018.0
26 15:56 NW 20 G 43 16.09 Partly Cloudy SCT048 -4.4 -13.3 50% -10 76.1 1016.8
26 14:56 NW 30 16.09 Mostly Cloudy BKN046 -3.9 -12.8 50% -11 76.02 1015.9
26 13:56 NW 31 G 41 16.09 A Few Clouds FEW043 -3.3 -12.2 51% -10 75.97 1015.3
26 12:56 NW 35 G 54 16.09 Fair and Breezy CLR -3.3 -11.7 -2.8 -8.9 53% -11 75.97 1015.1
26 11:56 NW 30 G 39 16.09 Overcast OVC120 -3.3 -11.1 55% -10 75.95 1015.0
26 09:56 NW 26 G 46 16.09 Mostly Cloudy BKN100 -4.4 -9.4 68% -11 75.97 1015.1
26 08:56 NW 19 G 31 16.09 Mostly Cloudy BKN110 -5 -7.2 85% -11 75.97 1015.1
26 07:56 W 6 16.09 Overcast FEW040 OVC095 -7.8 -8.9 92% 75.9 1014.2
26 06:56 Calm 16.09 Overcast OVC034 -8.9 -10 -8.9 -10.6 92% 75.87 1013.8
26 05:56 NW 7 16.09 Overcast SCT028 BKN034 OVC090 -8.9 -10 92% -12 75.79 1012.9
26 04:56 Calm 14.48 Overcast BKN006 OVC095 -10.6 -11.7 92% 75.74 1012.0
26 03:56 Calm 12.87 Overcast OVC006 -10 -11.1 92% 75.64 1011.0
26 02:56 Calm 16.09 Overcast OVC006 -10 -11.1 92% 75.67 1011.2
26 01:56 Vrbl 6 16.09 Overcast OVC006 -9.4 -10.6 91% 75.64 1010.9
26 00:56 NW 11 16.09 Overcast OVC008 -8.9 -10.6 -8.3 -9.4 88% -14 75.64 1010.9 0.08
25 23:56 W 6 16.09 Overcast OVC008 -8.9 -10.6 88% 75.67 1011.2
25 22:56 Vrbl 6 16.09 Overcast OVC008 -8.9 -10.6 88% 75.64 1010.7
25 21:56 NW 7 16.09 Overcast OVC010 -9.4 -10.6 91% -13 75.72 1011.8 0.08
25 20:56 Vrbl 9 16.09 Overcast OVC010 -8.9 -10.6 88% -13 75.67 1011.4
25 19:56 NW 13 16.09 Overcast OVC010 -8.3 -9.4 92% -14 75.59 1010.1 0.08
25 18:56 Vrbl 6 9.66 Light Snow Fog/Mist OVC012 -8.9 -10 -6.7 -8.9 92% 75.62 1010.5 0.15 1.17
25 17:56 NW 7 2.82 Light Snow Fog/Mist OVC014 -8.3 -10 88% -12 75.72 1012.1 0.18
25 16:56 NW 13 2.41 Light Snow Fog/Mist OVC012 -7.2 -8.9 88% -12 75.79 1013.0 0.13
25 15:56 Calm 2.01 Light Snow Fog/Mist OVC014 -6.7 -7.8 92% 75.84 1013.6 0.23 0.71
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)