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 19:56 NW 22 G 33 16.09 Overcast BKN043 OVC050 0.6 -5.6 64% -4 76.02 1015.5
23 18:56 NW 26 G 41 16.09 Overcast OVC050 1.1 -5 3.9 1.1 64% -4 75.97 1014.9
23 17:56 NW 22 G 48 16.09 Overcast OVC045 2.2 -5 59% -2 75.92 1013.9
23 16:56 NW 20 G 37 16.09 Mostly Cloudy BKN041 2.2 -5 59% -2 75.84 1013.0
23 15:56 NW 22 G 50 16.09 Overcast OVC039 2.8 -3.9 62% -2 75.79 1012.2
23 14:56 NW 28 G 50 16.09 Overcast OVC039 2.8 -3.3 65% -2 75.72 1011.3
23 13:56 NW 30 G 48 16.09 Overcast OVC035 3.3 1.1 86% -2 75.64 1010.4
23 12:56 NW 22 G 37 16.09 Overcast OVC031 2.2 1.7 2.2 -1.7 97% -2 75.67 1010.7 0.03
23 11:56 NW 17 G 39 16.09 Overcast OVC031 1.7 1.7 100% -2 75.69 0.0
23 10:56 NW 26 G 33 16.09 Overcast SCT029 OVC043 2 0 0% -3 75.64 0.0
23 09:56 NW 26 G 44 14.48 Light Snow FEW020 OVC043 1 0 0% -4 75.64 1010.2 0.03 0.03
23 08:56 NW 24 G 37 4.02 Light Snow SCT011 BKN017 OVC032 -1 0 0% -7 75.62 1010.2
23 07:56 NW 19 G 31 4.02 Light Snow SCT013 OVC022 -1 0 0% -6 75.64 1010.3
23 06:56 NW 22 G 33 2.01 Light Snow BKN011 OVC018 -2 0 0 -1.7 0% -8 75.59 1009.9 0.1
23 05:56 NW 19 G 35 6.44 Light Snow OVC013 -2 0 0% -7 75.59 1009.6
23 04:56 NW 22 G 35 4.83 Light Snow FEW009 OVC015 -2 0 0% -8 75.57 1009.3
23 03:56 NW 19 G 33 4.83 Light Snow BKN014 OVC019 -1 0 0% -6 75.57 1009.3 0.03 0.1
23 02:56 NW 15 G 28 3.22 Light Snow SCT009 OVC015 -1 0 0% -5 75.57 1009.4 0.05
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
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)