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.
05 18:56 Calm 16.09 Fair CLR 17.2 6.7 50% 76.43 1020.2
05 17:56 NW 13 G 28 16.09 Fair CLR 20 6.7 42% 76.35 1019.2
05 16:56 NW 15 16.09 Fair CLR 21.1 7.8 42% 76.33 1018.6
05 15:56 Vrbl 11 16.09 Fair CLR 21.1 8.3 44% 76.3 1018.5
05 14:56 NW 20 G 35 16.09 A Few Clouds FEW060 21.7 8.9 44% 76.33 1018.6
05 13:56 W 22 G 30 16.09 A Few Clouds FEW049 21.7 10.6 21.7 13.3 49% 76.35 1019.1 0.03
05 12:56 NW 19 G 33 16.09 Fair CLR 21.1 10.6 51% 76.4 1019.8
05 11:56 NW 20 G 33 16.09 Partly Cloudy SCT032 20 12.8 63% 76.43 1020.1
05 10:56 NW 11 16.09 Partly Cloudy SCT021 18.9 13.9 73% 76.45 1020.4 0.03
05 09:56 W 17 16.09 Fair CLR 16.7 16.7 100% 76.45 1020.6
05 08:56 W 9 0.80 Fog BKN002 OVC019 14.4 14.4 100% 76.4 1019.9 0.03
05 07:56 W 7 6.44 Fog/Mist CLR 13.3 13.3 15.6 13.3 100% 76.38 1019.6
05 06:56 W 11 14.48 Partly Cloudy SCT006 14 0 0% 76.35 1019.2
05 05:56 W 6 16.09 Overcast OVC006 14.4 14.4 100% 76.35 1019.2
05 04:56 W 9 8.05 Fog/Mist OVC003 15 15 100% 76.35 1019.1
05 03:56 Vrbl 7 9.66 Fog/Mist OVC003 15 15 100% 76.35 1019.4
05 02:56 W 11 1.21 Fog/Mist BKN003 OVC018 15 15 100% 76.4 1020.0
05 01:56 Calm 0.40 Fog OVC003 15 15 16.1 15 100% 76.43 1020.1
05 00:56 Calm 8.05 Fog/Mist BKN003 OVC029 15.6 15.6 100% 76.43 1020.2
04 23:56 Calm 14.48 Overcast OVC004 16.1 16.1 100% 76.5 1021.1
04 22:56 Calm 16.09 Overcast BKN006 OVC010 16.1 16.1 100% 76.5 1021.3
04 21:56 Calm 11.27 Overcast BKN006 OVC020 16 0 0% 76.53 1021.4
04 20:56 Calm 16.09 Overcast OVC006 16 0 0% 76.53 1021.6
04 19:56 Calm 16.09 Overcast SCT004 OVC020 16 0 17.8 16.1 0% 76.48 1020.9 0.03
04 18:56 Calm 4.02 Light Rain Fog/Mist BKN006 OVC013 16.1 16.1 100% 76.48 1021.1
04 17:56 Calm 16.09 Overcast BKN009 OVC013 17 0 0% 76.48 1020.7
04 16:56 Calm 16.09 Overcast BKN010 OVC014 17.2 17.2 100% 76.5 1021.1 0.03
04 15:56 Calm 16.09 Overcast BKN006 OVC012 17.2 17.2 100% 76.53 1021.4 0.03
04 14:56 Calm 3.22 Light Rain OVC006 17 0 0% 76.56 1021.9
04 12:56 Vrbl 6 4.83 Fog/Mist OVC008 16.7 16.7 100% 76.61 1022.8
04 11:56 Calm 12.87 Overcast OVC008 16.7 16.7 100% 76.68 1023.7
04 10:56 Vrbl 9 4.83 Fog/Mist OVC006 16 0 0% 76.71 1024.0 0.05
04 08:56 Calm 4.83 Light Rain Fog/Mist OVC004 15.6 15.6 100% 76.76 1024.6 0.03
04 07:56 Calm 3.22 Light Rain OVC006 15 0 16.1 15 0% 76.76 1024.5 0.1
04 06:56 Calm 16.09 Overcast OVC006 15 0 0% 76.76 1024.7 0.03
04 05:56 Calm 12.87 Light Rain BKN006 OVC050 15 0 0% 76.76 1024.6 0.03
04 04:56 Calm 6.44 Light Rain OVC006 15 0 0% 76.78 1024.8 0.05 0.05
04 03:56 Calm 9.66 Light Rain OVC008 15 0 0% 76.76 1024.6
04 02:56 Calm 16.09 Overcast BKN017 OVC025 15.6 15.6 100% 76.78 1025.0
04 01:56 Calm 16.09 Overcast BKN017 OVC031 16.1 16.1 16.1 15 100% 76.81 1025.4
04 00:56 Calm 16.09 Overcast OVC017 15.6 15.6 100% 76.86 1025.9
03 23:56 Calm 16.09 Overcast OVC021 15 0 0% 76.89 1026.5
03 22:56 Calm 16.09 Overcast FEW029 OVC046 15.6 15.6 100% 76.89 1026.2
03 21:56 Calm 16.09 Overcast OVC048 15 15 100% 76.89 1026.4
03 20:56 Calm 16.09 Overcast SCT055 OVC090 15 15 100% 76.89 1026.3
03 19:56 Calm 16.09 Overcast OVC095 15 14.4 19.4 15 96% 76.89 1026.1
03 18:56 Calm 16.09 Overcast FEW065 OVC100 16.1 12.8 81% 76.86 1025.8
03 17:56 Calm 16.09 Overcast OVC065 17.2 14.4 84% 76.84 1025.6
03 16:56 E 7 16.09 Mostly Cloudy SCT070 BKN120 18.3 13.3 73% 76.84 1025.6
03 15:56 Calm 16.09 Overcast FEW070 OVC100 18.9 12.8 68% 76.84 1025.6
03 14:56 E 6 16.09 Overcast OVC070 18.3 12.2 68% 76.86 1025.9
03 13:56 Calm 16.09 Overcast FEW075 OVC100 18.3 13.3 18.3 13.3 73% 76.89 1026.0 0.15
03 12:56 Vrbl 6 16.09 Overcast OVC075 17.8 12.2 70% 76.89 1026.2
03 11:56 Vrbl 6 16.09 Overcast BKN090 OVC110 16.1 12.8 81% 76.89 1026.4
03 10:56 Calm 16.09 Overcast FEW070 BKN090 OVC100 14.4 13.9 97% 76.91 1026.5 0.03 0.15
03 09:56 Calm 14.48 Light Rain OVC100 13.3 13.3 100% 76.89 1026.1 0.1
03 08:56 Calm 16.09 Light Rain OVC100 13.9 13.9 100% 76.84 1025.7 0.03
03 07:56 Calm 16.09 Light Rain FEW065 OVC100 13.3 13.3 18.3 13.3 100% 76.78 1025.0 0.08
03 06:56 Calm 16.09 Light Rain OVC100 13.3 13.3 100% 76.71 1024.0
03 05:56 Calm 16.09 Light Rain FEW120 13.3 13.3 100% 76.68 1023.2 0.03
03 04:56 Calm 16.09 Light Rain SCT065 SCT080 BKN090 13.3 13.3 100% 76.66 1023.0 0.05 0.05
03 03:56 Calm 16.09 Light Rain FEW110 14.4 10.6 78% 76.58 1021.9
03 02:56 Vrbl 6 16.09 Overcast OVC030 16.1 12.8 81% 76.53 1021.2
03 01:56 Calm 16.09 Overcast SCT028 BKN034 OVC110 18 0 21.7 18.3 0% 76.5 1020.8 0.03
03 00:56 Calm 16.09 Overcast FEW023 BKN037 OVC085 18 0 0% 76.5 1020.8
02 23:56 Calm 14.48 Overcast OVC026 19 0 0% 76.48 1020.5 0.03
02 22:56 Calm 16.09 Light Rain OVC041 20 20 100% 76.43 1019.9
02 20:56 Calm 12.87 Partly Cloudy SCT085 SCT120 22 0 0% 76.3 1018.2
02 19:56 Calm 14.48 Overcast BKN055 OVC075 22 0 31.1 21.7 0% 76.23 1017.2 1.17
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)