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.
28 14:56 Vrbl 6 16.09 Overcast SCT023 OVC031 19.4 16.1 81% 76 1014.3
28 13:56 W 13 16.09 Overcast OVC021 17.8 15.6 18.3 15 87% 76.02 1014.9
28 12:56 NW 13 16.09 Overcast OVC022 18.3 15 81% 76.02 1014.8
28 11:56 W 13 16.09 Overcast OVC015 17.2 16.7 97% 76.05 1015.0
28 10:56 NW 11 16.09 Overcast BKN013 OVC020 16.7 16.7 100% 76.05 1015.0
28 09:56 NW 9 16.09 Overcast OVC008 16.7 16.7 100% 76 1014.5
28 08:56 Vrbl 7 16.09 Overcast BKN008 OVC014 16 0 0% 76 1014.3
28 07:56 NW 11 16.09 Overcast OVC012 15 0 15 14.4 0% 75.92 1013.5 0.03
28 06:56 NW 7 16.09 Mostly Cloudy BKN016 15 15 100% 75.9 1012.9
28 05:56 NW 6 16.09 Overcast OVC005 14 0 0% 75.84 1012.4
28 04:56 Vrbl 6 16.09 Light Rain FEW005 OVC012 15 0 0% 75.82 1012.1 0.03 0.03
28 03:56 NW 11 16.09 Light Rain OVC022 15 0 0% 75.82 1011.9
28 02:56 W 6 16.09 Overcast FEW036 BKN045 OVC075 14.4 14.4 100% 75.79 1011.5
28 01:56 Vrbl 7 16.09 Overcast OVC048 15 15 15 14.4 100% 75.79 1011.6
28 00:56 Vrbl 7 16.09 Mostly Cloudy BKN050 14 0 0% 75.77 1011.4
27 23:56 NW 7 16.09 Mostly Cloudy BKN055 BKN065 14 0 0% 75.77 1011.4
27 22:56 NW 9 16.09 Overcast BKN060 OVC075 15 0 0% 75.74 1011.2
27 21:56 NW 9 16.09 Mostly Cloudy FEW028 BKN080 15 0 0% 75.74 1011.1
27 20:56 NW 11 16.09 Overcast FEW009 OVC075 15 0 0% 75.72 1010.7
27 19:56 NW 11 16.09 Light Rain FEW009 BKN046 OVC055 15 0 16.1 15 0% 75.72 1010.5 0.15
27 18:55 Vrbl 11 16.09 Light Rain BKN009 BKN014 OVC070 15 0 0% 75.69 1010.3 0.05
27 17:56 Vrbl 11 16.09 Light Rain FEW015 OVC065 15.6 15.6 100% 75.64 1009.7 0.03
27 16:56 Vrbl 11 16.09 Light Rain OVC021 15.6 15.6 100% 75.59 1009.1 0.08
27 15:56 NW 13 16.09 Overcast BKN016 OVC022 15.6 15.6 100% 75.54 1008.4
27 14:56 NW 13 8.05 Light Rain OVC008 16 0 0% 75.51 1008.0 0.08
27 13:56 NW 13 11.27 Light Rain BKN010 OVC023 15.6 15.6 16.7 14.4 100% 75.51 1008.0 0.18
27 12:56 NW 9 16.09 Light Rain OVC027 16.1 15.6 97% 75.51 1008.1 0.08
27 11:56 NW 15 16.09 Overcast OVC029 16.1 15 93% 75.49 1007.6 0.03
27 10:56 Vrbl 9 16.09 Light Rain OVC036 16.1 16.1 100% 75.49 1007.6 0.05 0.08
27 09:56 Vrbl 11 16.09 Light Rain OVC055 16.1 15 93% 75.46 1007.4
27 08:56 NW 9 16.09 Light Rain BKN090 OVC110 14.4 14.4 100% 75.46 1007.3 0.03
27 07:56 Vrbl 11 16.09 Light Rain BKN100 OVC120 15 11.7 16.1 13.9 81% 75.49 1007.5 0.03
27 06:56 NW 7 16.09 Mostly Cloudy BKN060 BKN090 15 11.7 81% 75.51 1007.8
27 05:56 NW 9 16.09 Overcast BKN041 BKN075 OVC110 14.4 12.8 90% 75.54 1008.2 0.03
27 04:56 Vrbl 9 16.09 Light Rain FEW050 OVC100 15 11.7 81% 75.57 1008.5
27 03:56 NW 9 16.09 Light Rain SCT044 BKN050 BKN120 15.6 11.1 75% 75.62 1009.1
27 02:56 NW 9 16.09 Overcast OVC042 16.1 11.1 72% 75.67 1010.1
27 01:56 NW 9 16.09 Overcast OVC042 15.6 12.2 15.6 13.3 80% 75.72 1010.9 0.03
27 00:56 Calm 16.09 Overcast OVC042 14.4 13.9 97% 75.79 1011.7
26 23:56 Vrbl 6 16.09 Overcast OVC036 14.4 13.9 97% 75.87 1012.6
26 22:56 NW 6 16.09 Overcast SCT029 OVC034 14.4 14.4 100% 75.9 1012.9 0.03
26 21:56 Calm 16.09 Overcast BKN031 OVC037 13.9 13.9 100% 75.92 1013.5
26 20:56 Calm 16.09 Overcast OVC039 13 0 0% 75.95 1013.5 0.03
26 19:56 W 6 16.09 Overcast OVC033 13 0 17.2 13.3 0% 75.92 1013.2 0.61
26 18:56 Vrbl 11 11.27 Light Rain OVC033 13.3 13.3 100% 75.92 1013.4 0.05
26 17:56 Vrbl 9 16.09 Overcast OVC035 13 0 0% 75.92 1013.4 0.05
26 16:56 Vrbl 7 16.09 Light Rain OVC035 13.3 13.3 100% 75.95 1013.7 0.18 0.51
26 15:56 Vrbl 6 12.87 Light Rain BKN038 OVC055 13.9 13.9 100% 75.95 1013.7 0.3
26 14:56 Calm 12.87 Rain OVC038 15 15 100% 75.95 1013.8 0.03
26 13:56 Vrbl 6 16.09 Light Rain BKN046 OVC070 17.2 11.7 18.9 14.4 70% 75.95 1013.8
26 12:56 Vrbl 7 16.09 Light Rain OVC048 17.2 10 63% 75.97 1014.1
26 11:56 Vrbl 11 16.09 Overcast BKN048 OVC060 17.8 10 60% 75.97 1014.0
26 10:56 Vrbl 11 16.09 A Few Clouds FEW085 18.3 10 59% 75.97 1014.1
26 09:56 Vrbl 9 16.09 Overcast BKN060 OVC080 16.7 9.4 62% 75.97 1014.0
26 08:56 Vrbl 7 16.09 Mostly Cloudy BKN120 16.1 9.4 65% 75.95 1013.9
26 07:56 NW 15 16.09 Fair CLR 15 8.9 15 13.9 67% 75.97 1014.0
26 06:56 NW 7 16.09 Fair CLR 13.9 8.9 72% 75.97 1014.1
26 05:56 Vrbl 9 16.09 Fair CLR 14.4 8.9 70% 75.97 1013.9
26 04:56 Vrbl 9 16.09 Fair CLR 14.4 8.9 70% 75.97 1014.1
26 03:56 NW 9 16.09 Fair CLR 13.9 8.9 72% 76.02 1014.6
26 02:56 Vrbl 11 16.09 Fair CLR 14.4 8.9 70% 76.07 1015.4
26 01:56 Vrbl 7 16.09 Fair CLR 14.4 8.9 15.6 13.9 70% 76.12 1015.8
26 00:56 Vrbl 11 16.09 Fair CLR 15 8.3 64% 76.17 1016.5
25 23:56 Vrbl 6 16.09 Fair CLR 14.4 8.3 67% 76.2 1017.2
25 22:56 Vrbl 6 16.09 Fair CLR 15 8.3 64% 76.25 1017.8
25 21:56 Vrbl 6 16.09 Fair CLR 15 8.3 64% 76.28 1018.2
25 20:56 Vrbl 6 16.09 Fair CLR 14.4 8.3 67% 76.3 1018.7
25 19:56 NW 7 16.09 Fair CLR 15.6 7.8 22.8 15.6 60% 76.3 1018.7
25 18:56 Vrbl 6 16.09 Fair CLR 17.8 7.2 50% 76.28 1018.2
25 17:56 Calm 16.09 Fair CLR 20 7.8 45% 76.3 1018.5
25 16:56 Vrbl 7 16.09 Fair CLR 21.1 7.2 41% 76.33 1018.8
25 15:56 Vrbl 7 16.09 Fair CLR 22.2 7.8 40% 76.35 1019.2
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)