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.
11 22:56 W 6 16.09 Fair CLR 10 5.6 74% 76.63 1023.2
11 21:56 SW 6 16.09 Fair CLR 11.7 3.9 59% 76.61 1022.7
11 20:56 Calm 16.09 Fair CLR 9.4 4.4 71% 76.56 1022.2
11 19:56 Calm 16.09 Fair CLR 13.9 0 17.8 13.3 39% 76.5 1021.4
11 18:56 Calm 16.09 Fair CLR 16.1 -1.1 31% 76.5 1021.1
11 17:56 Calm 16.09 Fair CLR 16.7 0 32% 76.48 1020.9
11 16:56 Vrbl 6 16.09 Fair CLR 16.7 0 32% 76.48 1020.6
11 15:56 Vrbl 7 16.09 Fair CLR 16.7 2.8 40% 76.5 1021.1
11 14:56 Calm 16.09 Fair CLR 13.3 2.8 49% 76.56 1022.1
11 13:56 Calm 16.09 Fair CLR 13.3 3.3 13.3 10.6 51% 76.61 1022.8
11 12:56 W 6 16.09 Overcast OVC110 12.2 2.8 53% 76.66 1023.4
11 11:56 Calm 16.09 Mostly Cloudy BKN120 12.2 2.2 51% 76.68 1023.6
11 10:56 NW 6 16.09 Overcast OVC110 11.7 2.8 55% 76.71 1024.0
11 09:56 Calm 16.09 Overcast FEW050 BKN070 OVC085 11.1 4.4 64% 76.63 1022.9
11 08:56 Calm 16.09 Light Rain BKN070 OVC080 10.6 5 69% 76.63 1022.9
11 07:56 Vrbl 6 16.09 Overcast FEW070 OVC090 11.1 3.3 13.9 11.1 59% 76.61 1022.6
11 06:56 Calm 16.09 Mostly Cloudy BKN095 BKN120 11.1 2.8 57% 76.56 1021.8
11 05:56 Calm 16.09 Overcast OVC090 11.1 2.8 57% 76.48 1021.0
11 04:56 Vrbl 6 16.09 Overcast OVC075 11.7 3.9 59% 76.45 1020.6
11 03:56 Vrbl 7 16.09 Overcast OVC070 12.2 5 62% 76.45 1020.3
11 02:56 Vrbl 7 16.09 Overcast OVC080 12.2 6.7 69% 76.4 1019.7
11 01:56 Vrbl 6 16.09 Overcast OVC090 13.9 13.9 16.7 13.9 100% 76.4 1019.7
11 00:56 Calm 16.09 Mostly Cloudy SCT080 BKN100 14 0 0% 76.38 1019.4
10 23:56 Calm 14.48 Mostly Cloudy BKN060 15 0 0% 76.35 1018.8
10 22:56 Calm 9.66 Overcast with Haze SCT019 OVC055 16 0 0% 76.35 1019.1
10 21:56 Calm 16.09 Light Rain BKN060 OVC090 16 0 0% 76.33 1018.7
10 20:56 Calm 16.09 Overcast SCT080 OVC100 16 0 0% 76.25 1017.7
10 19:56 Calm 16.09 Overcast BKN085 OVC100 17 0 27.8 16.7 0% 76.2 1017.1 0.03 0.15
10 18:56 Calm 16.09 Overcast OVC085 17 0 0% 76.12 1016.3 0.03
10 17:56 Calm 16.09 Overcast BKN090 OVC110 18 0 0% 76.07 1015.4 0.05
10 16:56 Vrbl 7 9.66 Rain Fog/Mist BKN075 OVC090 18.3 17.8 97% 76.07 1015.6 0.05 0.05
10 15:56 W 13 16.09 Overcast BKN075 OVC100 23.9 9.4 40% 25 76 1014.2
10 14:56 NW 13 16.09 Mostly Cloudy SCT075 BKN090 25.6 10 37% 26 76.02 1014.5
10 13:56 Vrbl 6 16.09 Fair CLR 26.7 11.1 26.7 16.1 38% 27 76.05 1014.7
10 12:56 SW 20 G 30 16.09 Fair CLR 26.7 11.7 39% 27 76.07 1015.1
10 11:56 NW 15 16.09 Fair CLR 24.4 12.8 48% 26 76.07 1015.4
10 10:56 W 15 16.09 Fair CLR 23.3 11.1 46% 76.07 1015.4
10 09:56 W 7 16.09 Fair CLR 22.2 11.7 52% 76.05 1015.0
10 08:56 Calm 16.09 Fair CLR 18.9 12.8 68% 76.05 1015.0
10 07:56 Calm 16.09 Fair CLR 15.6 15 15.6 8.9 96% 76.05 1014.9
10 06:56 Calm 4.83 Fog/Mist CLR 10 0 0% 76 1014.4
10 05:56 SE 6 6.44 Fair with Haze CLR 10 0 0% 75.9 1013.2
10 04:56 Calm 6.44 Fair with Haze CLR 9 0 0% 75.9 1013.3
10 03:56 Calm 8.05 Fair with Haze CLR 10 0 0% 75.9 1013.0
10 02:56 Calm 16.09 Fair CLR 11 0 0% 75.82 1012.2
10 01:56 Calm 16.09 Fair CLR 12 0 20.6 12.2 0% 75.82 1011.9
10 00:56 Calm 16.09 Fair CLR 13.3 13.3 100% 75.82 1012.2
09 23:56 Calm 16.09 Fair CLR 13.9 13.9 100% 75.82 1012.2
09 22:56 Calm 16.09 Fair CLR 15 13.9 93% 75.82 1012.0
09 21:56 Calm 16.09 Fair CLR 16.1 13.9 87% 75.79 1011.6
09 20:56 Vrbl 6 16.09 A Few Clouds FEW080 17.8 12.8 73% 75.72 1010.8
09 19:56 Calm 16.09 Overcast OVC080 20.6 11.1 23.3 18.9 55% 75.69 1010.3
09 18:56 Calm 16.09 Mostly Cloudy BKN090 23.3 10 43% 75.69 1010.0
09 17:56 W 13 16.09 Overcast BKN095 OVC110 21.7 10.6 49% 75.67 1009.9
09 16:56 Calm 16.09 Mostly Cloudy BKN050 BKN060 BKN110 21.7 11.1 51% 75.69 1010.0
09 15:56 S 13 16.09 Mostly Cloudy BKN120 22.8 11.1 48% 75.69 1010.1
09 14:56 Calm 16.09 Mostly Cloudy BKN044 22.2 10.6 48% 75.74 1010.7
09 13:56 Calm 16.09 Mostly Cloudy BKN100 BKN120 20 9.4 20 15.6 51% 75.84 1012.1
09 12:56 Vrbl 9 16.09 Overcast BKN045 OVC070 18.9 8.9 52% 75.84 1012.4
09 11:56 Vrbl 7 16.09 Overcast BKN050 OVC075 19.4 8.3 49% 75.87 1012.6
09 10:56 S 7 16.09 A Few Clouds FEW090 18.3 7.8 51% 75.9 1013.0
09 09:56 S 7 16.09 Mostly Cloudy BKN110 16.1 6.7 54% 75.9 1013.2
09 08:56 S 13 16.09 Mostly Cloudy BKN090 16.1 6.1 52% 75.92 1013.2
09 07:56 S 9 16.09 Overcast FEW070 OVC100 15.6 5.6 15.6 13.9 52% 75.9 1013.0
09 06:56 Calm 16.09 Mostly Cloudy BKN110 13.9 5 55% 75.87 1012.5
09 05:56 Vrbl 7 16.09 Overcast OVC110 14.4 3.9 50% 75.84 1012.3
09 04:56 SW 11 16.09 Overcast OVC110 14.4 3.9 50% 75.87 1012.6
09 03:56 S 15 16.09 Overcast OVC110 14.4 3.9 50% 75.9 1013.1
09 02:56 S 11 16.09 Partly Cloudy SCT120 15 3.3 46% 75.9 1013.0
09 01:56 S 7 16.09 Fair CLR 13.9 3.9 19.4 13.9 51% 75.92 1013.5
09 00:56 S 13 16.09 Fair CLR 15.6 2.8 42% 75.95 1013.5
08 23:56 S 9 16.09 Fair CLR 15.6 3.3 44% 75.95 1013.7
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)