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.
23 01:56 NW 17 G 26 2.82 Light Snow BKN007 OVC015 -1 0 0% -6 75.59 1009.7 0.03
23 00:56 NW 15 G 37 4.83 Light Snow BKN007 OVC021 0 0 0% -4 75.59 1009.8 0.08 1.04
22 23:56 NW 9 4.83 Light Snow OVC005 0 0 0% 75.62 0.0 0.1
22 22:56 Calm 3.22 Light Snow BKN007 OVC030 0 0 0% 75.67 0.0 0.18
22 21:56 Vrbl 9 2.01 Light Snow OVC005 0 0 0% -3 75.72 1011.4 0.23 0.69
22 20:56 Vrbl 7 1.61 Light Snow OVC003 0 0 0% -2 75.74 1011.9 0.2
22 19:56 Vrbl 7 1.21 Light Snow OVC003 0 0 0% -2 75.79 1012.5 0.25
22 18:56 Vrbl 7 1.21 Light Snow OVC003 0 0 2.8 0 0% -2 75.79 1012.5 0.23 0.94
22 17:56 NW 9 1.21 Light Snow OVC003 0 0 0% -3 75.79 1012.3 0.2
22 16:56 NW 6 1.61 Light Snow OVC005 1 0 0% 75.77 1012.1 0.2
22 15:56 NW 7 12.87 Rain OVC005 2 0 0% 0 75.77 1011.9 0.15 0.3
22 14:56 Calm 16.09 Light Rain OVC007 2 0 0% 75.79 1012.2 0.13
22 13:56 Calm 14.48 Light Rain OVC007 3 0 0% 75.82 1012.5 0.03
22 12:56 N 6 6.44 Light Rain BKN003 OVC009 2 0 2.2 1.7 0% 75.87 1013.2 0.05 0.3
22 11:56 Calm 4.83 Light Rain OVC003 2 0 0% 76 1014.9 0.08
22 10:56 N 6 6.44 Light Rain BKN005 OVC020 2 0 0% 76.07 1016.1
22 09:56 NE 7 6.44 Light Rain OVC007 2 0 0% 0 76.1 1016.5 0.05 0.18
22 08:56 Vrbl 7 6.44 Light Rain BKN009 OVC014 2 0 0% 0 76.15 1016.9 0.1
22 07:56 Calm 6.44 Light Rain OVC020 2 0 0% 76.15 1016.8 0.03
22 06:56 Calm 8.05 Light Rain BKN030 OVC043 2 0 3.9 2.2 0% 76.15 1017.2
22 05:56 Calm 16.09 Light Rain OVC036 2.2 2.2 100% 76.23 1017.9
22 04:56 Calm 16.09 Unknown Precip SCT022 OVC038 2.8 2.8 100% 76.2 1017.7
22 03:56 SE 9 16.09 Light Rain FEW027 SCT035 OVC044 2.8 1.7 93% 1 76.25 1018.1
22 02:56 E 6 16.09 Overcast OVC050 2.8 -0.6 79% 76.25 1018.3
22 01:56 Calm 16.09 Overcast OVC085 3.3 -1.7 70% 76.28 1018.4
22 00:56 Calm 16.09 Mostly Cloudy BKN100 BKN110 3.9 -2.2 6.1 1.7 65% 76.28 1018.6
21 23:56 E 6 16.09 Overcast OVC090 3.3 -1.7 70% 76.33 1019.2
21 22:56 Calm 16.09 Fair CLR 2.2 -2.2 73% 76.3 1018.9
21 21:56 Calm 16.09 Fair CLR 2.8 -2.2 70% 76.3 1019.0
21 20:56 Calm 16.09 Fair CLR 4.4 -2.2 63% 76.33 1019.4
21 19:56 SE 11 16.09 Fair CLR 5 -2.2 60% 3 76.3 1019.1
21 18:56 Calm 16.09 Fair CLR 6.1 -2.8 11.7 6.1 53% 76.28 1018.7
21 17:56 Calm 16.09 Fair CLR 8.3 -3.3 44% 76.25 1018.3
21 16:56 SE 9 16.09 Fair CLR 10.6 -3.3 38% 76.23 1017.8
21 15:56 NE 6 16.09 Fair CLR 10.6 -3.9 36% 76.2 1017.5
21 14:56 Vrbl 6 16.09 Fair CLR 11.1 -2.2 40% 76.2 1017.3
21 13:56 Vrbl 6 16.09 Fair CLR 11.1 -2.2 40% 76.2 1017.2
21 12:56 NW 7 16.09 Fair CLR 10 -3.3 10 1.7 39% 9 76.2 1017.5
21 11:56 Vrbl 6 16.09 Fair CLR 8.9 -2.8 44% 76.23 1017.9
21 10:56 N 9 16.09 Fair CLR 8.3 -2.8 46% 7 76.23 1017.8
21 09:56 Vrbl 6 16.09 Fair CLR 8.9 -2.8 44% 76.25 1018.4
21 08:56 W 6 16.09 Fair CLR 7.2 -3.3 48% 76.25 1018.3
21 07:56 Calm 16.09 Fair CLR 1.7 -2.2 76% 76.1 1016.4
21 06:56 Calm 16.09 Fair CLR 2.8 -3.3 8.3 1.7 65% 76.05 1015.8
21 05:56 W 13 16.09 Fair CLR 5 -3.3 55% 2 75.97 1014.4
21 04:56 W 15 16.09 Fair CLR 6.1 -3.3 51% 3 75.84 1012.8
21 03:56 W 20 16.09 Fair CLR 6.7 -3.3 49% 3 75.77 1011.7
21 02:56 W 30 G 44 16.09 Fair CLR 7.8 -2.8 47% 4 75.72 1010.9
21 01:56 NW 19 G 30 16.09 Fair CLR 7.8 -2.2 50% 5 75.74 1011.3
21 00:56 NW 9 16.09 Fair CLR 7.8 -1.7 10.6 3.3 51% 6 75.72 1010.9
20 23:56 W 22 G 33 16.09 Fair CLR 10.6 -2.8 39% 75.62 1009.7
20 22:56 SW 7 16.09 Fair CLR 7.8 -1.1 54% 7 75.59 1009.3
20 21:56 Vrbl 7 12.87 Fair CLR 3 0 0% 1 75.54 1008.6
20 20:56 Calm 4.02 Fog/Mist CLR 4 0 0% 75.44 1007.4
20 19:56 Calm 12.87 Fair CLR 4 0 0% 75.34 1006.0
20 18:56 Calm 16.09 Fair CLR 7.2 7.2 13.3 7.2 100% 75.26 1005.0
20 17:56 Calm 16.09 Fair CLR 10.6 10 96% 75.18 1003.7
20 16:56 SW 7 16.09 Fair CLR 13.3 9.4 77% 75.08 1002.5
20 15:56 SW 15 16.09 Fair CLR 12.8 8.9 77% 75.08 1002.4
20 14:56 Vrbl 7 16.09 Mostly Cloudy BKN010 10 10 100% 9 75.11 1002.8
20 13:56 S 11 16.09 Overcast OVC008 8 0 0% 6 75.13 1003.3
20 12:56 SW 9 16.09 Overcast OVC006 7 0 7.2 2.8 0% 5 75.26 1005.0 0.48
20 11:56 W 7 8.05 Overcast with Haze OVC004 6 0 0% 5 75.36 1006.3
20 10:56 NW 6 12.87 Overcast OVC004 6 0 0% 75.41 1007.2
20 09:56 Calm 16.09 Overcast OVC004 4 0 0% 75.39 1007.0 0.48
20 08:56 E 9 16.09 Light Rain OVC004 4 0 0% 2 75.44 1007.5 0.23
20 07:56 Calm 4.83 Rain SCT003 BKN012 OVC080 3 0 0% 75.64 1010.0 0.25
20 06:56 Calm 2.01 Rain BKN005 BKN009 OVC015 3 0 3.3 2.8 0% 75.64 1010.2 0.18 0.48
20 05:56 Calm 4.02 Light Rain BKN004 OVC008 3 0 0% 75.67 1010.4 0.15
20 04:56 Vrbl 7 2.41 Rain OVC002 3 0 0% 1 75.62 1009.8 0.1
20 03:56 Vrbl 7 2.82 Light Rain OVC002 3 0 0% 1 75.67 1010.6 0.05 0.05
20 02:56 E 6 1.61 Fog/Mist OVC002 3 0 0% 75.79 1012.1
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)