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.
22 23:56 Vrbl 6 16.09 Light Rain FEW012 BKN050 OVC060 14 0 0% 77.01 1028.1 0.13
22 22:56 Vrbl 6 12.87 Rain FEW021 SCT055 OVC070 13.9 13.9 100% 77.01 1028.2 0.33 0.58
22 21:56 Vrbl 7 12.87 Light Rain BKN012 OVC031 14 0 0% 77.01 1027.9 0.13
22 20:56 Vrbl 7 16.09 Light Rain OVC008 14 0 0% 76.99 1027.7 0.13
22 19:56 Vrbl 9 16.09 Light Rain OVC010 14 0 15 13.9 0% 76.91 1026.7 0.2 0.91
22 18:56 Vrbl 6 12.87 Light Rain OVC008 14 0 0% 76.91 1026.5 0.08
22 17:56 Vrbl 7 11.27 Light Rain BKN008 OVC021 14 0 0% 76.86 1025.9 0.15
22 16:56 Vrbl 9 16.09 Light Rain OVC010 14 0 0% 76.84 1025.5 0.05 0.48
22 15:56 Vrbl 7 4.83 Light Rain Fog/Mist OVC008 14.4 14.4 100% 76.84 1025.5 0.41
22 14:56 Vrbl 6 9.66 Light Rain OVC008 15 0 0% 76.84 1025.5 0.03
22 13:56 Vrbl 7 14.48 Light Rain OVC008 15 15 15 13.9 100% 76.81 1025.4 0.13 0.3
22 12:56 Vrbl 7 14.48 Light Rain OVC006 14 0 0% 76.84 1025.6 0.05
22 11:56 Vrbl 6 6.44 Light Rain OVC008 14 0 0% 76.84 1025.7 0.05
22 10:56 Vrbl 6 6.44 Light Rain OVC008 14 0 0% 76.78 1025.1 0.03 0.08
22 09:56 Vrbl 6 11.27 Light Rain OVC008 14.4 14.4 100% 76.76 1024.7 0.05
22 08:56 Vrbl 6 6.44 Light Rain OVC008 14 0 0% 76.73 1024.4
22 07:56 Vrbl 6 16.09 Overcast OVC008 14 0 16.7 14.4 0% 76.68 1023.7 0.1 1.09
22 05:56 NE 6 12.87 Rain OVC006 15 0 0% 76.61 1022.7 0.23
22 04:56 Vrbl 6 9.66 Rain OVC006 15 0 0% 76.53 1021.7 0.08 0.48
22 03:56 NE 9 4.02 Light Rain BKN008 OVC015 16 0 0% 76.53 1021.6 0.33
22 02:56 Vrbl 6 4.83 Light Rain OVC006 17 0 0% 76.48 1020.9 0.08
22 01:56 Vrbl 6 3.22 Light Rain OVC006 17 0 17.2 16.7 0% 76.5 1020.9 0.08 0.25
22 00:56 Calm 6.44 Light Rain Fog/Mist OVC006 17.2 17.2 100% 76.53 1021.4 0.05
21 23:56 Calm 6.44 Light Rain OVC006 17 0 0% 76.53 1021.4 0.1
21 21:56 Vrbl 6 11.27 Overcast OVC008 17 0 0% 76.53 1021.4
21 20:56 Calm 12.87 Overcast OVC008 17 0 0% 76.48 1020.5
21 19:56 Vrbl 9 16.09 Overcast BKN012 OVC018 17 0 19.4 17.2 0% 76.4 1019.6 0.91
21 18:56 Vrbl 6 16.09 Overcast OVC007 18 0 0% 76.4 1019.9
21 17:56 Vrbl 6 16.09 Overcast OVC007 18 0 0% 76.38 1019.2 0.25
21 16:56 Calm 6.44 Light Rain SCT009 BKN027 OVC037 18 0 0% 76.43 1020.2 0.18 0.66
21 15:56 Calm 14.48 Light Rain SCT007 SCT029 OVC043 19 0 0% 76.4 1019.8 0.25
21 13:56 Vrbl 6 9.66 Light Rain Fog/Mist OVC028 19.4 19.4 23.3 18.3 100% 76.43 1019.9 0.08 0.08
21 12:56 Vrbl 6 16.09 Overcast OVC026 21.1 16.1 73% 76.45 1020.2
21 11:56 Calm 16.09 Overcast OVC024 21.7 16.7 73% 76.43 1020.0
21 10:56 Vrbl 7 16.09 Mostly Cloudy BKN020 22.8 16.7 69% 76.4 1019.7
21 09:56 Vrbl 7 16.09 A Few Clouds FEW018 20.6 16.7 78% 76.4 1019.5
21 08:56 Calm 16.09 A Few Clouds FEW060 18.9 17.2 90% 76.38 1019.3
21 07:56 Vrbl 9 16.09 Fair CLR 18.3 18.3 20.6 16.7 100% 76.35 1019.0
21 06:56 Calm 16.09 Fair CLR 17 0 0% 76.3 1018.2
21 05:56 Vrbl 6 16.09 A Few Clouds FEW010 18.3 18.3 100% 76.25 1017.6
21 04:56 Calm 16.09 Overcast SCT008 OVC014 19 0 0% 76.2 1016.8
21 02:56 Calm 16.09 Fair CLR 19 0 0% 76.17 1016.5
21 01:56 Vrbl 6 16.09 Overcast OVC060 20.6 20.6 23.9 20.6 100% 76.15 1016.1
21 00:56 Calm 16.09 Overcast BKN041 OVC050 21 0 0% 76.15 1016.1
20 23:56 Calm 16.09 Light Rain BKN033 BKN055 OVC065 21.1 21.1 100% 76.15 1016.1
20 21:56 W 9 16.09 Mostly Cloudy FEW045 SCT055 BKN080 23.9 23.3 96% 23 76.05 1014.9
20 20:56 W 6 16.09 Mostly Cloudy FEW044 BKN085 23.9 23.3 96% 23 76.02 1014.6
20 19:56 Calm 16.09 Overcast BKN050 OVC060 25 22.8 27.8 24.4 88% 26 76 1014.2
20 18:56 Calm 16.09 Overcast OVC055 25.6 22.2 82% 27 75.97 1013.5
20 17:56 S 7 16.09 Overcast FEW047 OVC055 26.7 21.7 74% 29 75.97 1013.5
20 16:56 S 7 16.09 Overcast OVC037 26.7 21.7 74% 29 76 1014.1
20 15:56 W 7 16.09 Overcast SCT034 SCT047 OVC095 27.2 20.6 67% 29 76.02 1014.3
20 14:56 W 7 16.09 Overcast SCT060 OVC090 27.2 21.1 69% 29 76.07 1014.9
20 13:56 Vrbl 9 16.09 Mostly Cloudy BKN070 26.7 21.1 27.2 20 71% 28 76.12 1015.5 0.03
20 12:56 Vrbl 9 16.09 A Few Clouds FEW021 27.2 21.1 69% 29 76.12 1015.8
20 11:56 S 11 16.09 Overcast BKN017 OVC090 25 20.6 77% 26 76.17 1016.5
20 10:56 SW 11 16.09 Mostly Cloudy FEW013 SCT100 BKN120 23.3 21.1 88% 76.2 1017.0 0.03
20 09:56 S 11 16.09 Overcast SCT039 SCT049 OVC100 21.7 21.7 100% 76.23 1017.1
20 08:56 S 13 16.09 Overcast BKN042 OVC055 20.6 20.6 100% 76.23 1017.1 0.03
20 07:56 Vrbl 7 2.41 Heavy Rain Fog/Mist FEW022 BKN034 OVC043 21.1 20.6 21.7 21.1 97% 76.28 1017.8 0.36 0.36
20 06:56 S 13 16.09 Overcast FEW035 SCT060 OVC085 21.7 19.4 87% 76.23 1017.3
20 05:56 S 13 16.09 Overcast FEW017 OVC037 21.7 20 90% 76.23 1017.2
20 04:56 S 13 16.09 Overcast SCT019 OVC039 21.7 20 90% 76.23 1017.1
20 03:56 S 15 16.09 Overcast BKN019 OVC041 21.7 20 90% 76.23 1017.3
20 02:56 S 13 16.09 Overcast OVC039 21.7 20 90% 76.28 1017.8
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)