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.
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
25 14:56 Vrbl 7 16.09 Fair CLR 22.8 7.2 37% 76.38 1019.6
25 13:56 Vrbl 11 16.09 Fair CLR 21.7 7.8 21.7 10 41% 76.43 1020.3
25 12:56 Vrbl 6 16.09 Fair CLR 21.1 8.3 44% 76.53 1021.6
25 11:56 Vrbl 7 16.09 Fair CLR 19.4 7.2 45% 76.58 1022.0
25 10:56 Vrbl 9 16.09 Fair CLR 17.2 8.3 56% 76.61 1022.5
25 09:56 Calm 16.09 Fair CLR 14.4 7.8 65% 76.61 1022.7
25 08:56 Calm 16.09 Fair CLR 11.7 7.2 74% 76.63 1023.0
25 07:56 Vrbl 6 16.09 Fair CLR 10 6.1 10 8.9 77% 76.61 1022.9
25 06:56 Calm 16.09 Fair CLR 9.4 6.1 80% 76.61 1022.8
25 05:56 Calm 16.09 Fair CLR 9.4 6.1 80% 76.66 1023.3
25 04:56 Calm 16.09 Fair CLR 10 6.1 77% 76.66 1023.2
25 03:56 Vrbl 6 16.09 Fair CLR 8.9 7.2 89% 76.66 1023.4
25 02:56 Calm 16.09 Fair CLR 9.4 7.8 90% 76.73 1024.3
25 01:56 Calm 16.09 Fair CLR 9.4 7.8 13.3 8.9 90% 76.78 1025.1
25 00:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.84 1025.7
24 23:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.86 1026.2
24 22:56 Calm 16.09 Fair CLR 10 10 100% 76.89 1026.4
24 21:56 Calm 16.09 Fair CLR 10.6 10.6 100% 76.89 1026.6
24 19:56 Calm 16.09 Fair CLR 13.3 10 19.4 13.3 81% 76.94 1027.1
24 18:56 Calm 16.09 Fair CLR 16.1 8.3 60% 76.91 1026.9
24 17:56 Vrbl 7 16.09 Fair CLR 18.9 8.3 50% 76.94 1026.9
24 16:56 Vrbl 6 16.09 Fair CLR 18.9 8.3 50% 76.94 1026.9
24 15:56 Vrbl 6 16.09 A Few Clouds FEW037 18.3 8.3 52% 76.96 1027.5
24 14:56 Vrbl 6 16.09 Mostly Cloudy BKN035 18.3 8.9 54% 77.01 1028.2
24 13:56 Vrbl 11 16.09 Overcast OVC033 16.7 10.6 17.2 9.4 67% 77.09 1029.0
24 12:56 Vrbl 7 16.09 Overcast OVC035 17.2 10.6 65% 77.11 1029.6
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)