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.
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
08 22:56 S 7 16.09 Fair CLR 15.6 4.4 48% 75.97 1014.1
08 21:56 S 7 16.09 Fair CLR 16.1 3.9 44% 75.97 1014.1
08 20:56 SE 7 16.09 Overcast OVC100 18.3 3.9 39% 75.95 1013.8
08 19:56 SW 9 16.09 Overcast OVC110 19.4 2.2 22.2 18.3 32% 75.92 1013.3
08 18:56 Vrbl 7 16.09 Overcast OVC110 20 1.7 30% 75.9 1013.1
08 17:56 SW 11 16.09 Overcast OVC095 20 1.7 30% 75.9 1013.3
08 16:56 SW 13 16.09 Fair CLR 21.7 1.7 27% 75.9 1013.0
08 15:56 W 19 16.09 A Few Clouds FEW090 20.6 1.1 27% 75.95 1013.6
08 14:56 W 22 G 33 16.09 Partly Cloudy SCT085 20.6 1.1 27% 76 1014.4
08 13:56 W 15 G 28 16.09 Mostly Cloudy BKN085 20 2.8 20 10 32% 76.05 1015.0
08 12:56 W 17 G 31 16.09 Fair CLR 20 2.2 31% 76.1 1015.6
08 11:56 W 20 G 31 16.09 Fair CLR 18.3 2.2 34% 76.12 1016.2
08 10:56 SW 9 16.09 Fair CLR 17.2 2.2 37% 76.17 1016.8
08 09:56 SW 13 16.09 A Few Clouds FEW100 15.6 1.7 39% 76.2 1017.2
08 08:56 W 11 16.09 A Few Clouds FEW095 13.3 2.8 49% 76.23 1017.7
08 07:56 Calm 16.09 Fair CLR 10 3.3 10 4.4 63% 76.2 1017.4
08 06:56 Calm 16.09 Fair CLR 5 5 100% 76.15 1016.7
08 05:56 Calm 16.09 Fair CLR 4.4 3.3 93% 76.12 1016.3
08 04:56 Calm 16.09 Fair CLR 6.7 1.1 68% 76.1 1015.9
08 03:56 NW 6 16.09 Fair CLR 6.7 3.9 83% 76.07 1015.5
08 02:56 Calm 16.09 Fair CLR 8.3 3.3 71% 76.02 1014.7
08 01:56 Calm 16.09 Fair CLR 8 0 14.4 7.8 0% 75.97 1014.2
08 00:56 Calm 16.09 Fair CLR 8.3 8.3 100% 75.95 1013.9
07 23:56 Calm 16.09 A Few Clouds FEW085 9.4 8.9 97% 75.9 1013.2
07 22:56 Calm 16.09 Fair CLR 11.1 7.8 80% 75.87 1013.0
07 21:56 S 7 16.09 Overcast OVC090 12.2 7.2 72% 75.87 1012.7
07 20:56 S 11 16.09 A Few Clouds FEW100 12.8 6.7 67% 75.82 1012.1
07 19:56 S 11 16.09 Mostly Cloudy BKN085 14.4 5.6 20 14.4 56% 75.74 1011.1
07 18:56 S 19 16.09 A Few Clouds FEW090 15.6 6.1 53% 75.69 1010.3
07 17:56 Vrbl 6 16.09 Fair CLR 18.9 1.7 32% 75.64 1009.6
07 16:56 Vrbl 7 16.09 Partly Cloudy SCT075 18.9 1.7 32% 75.67 1010.1
07 15:56 Calm 16.09 Fair CLR 18.9 1.7 32% 75.67 1010.0
07 14:56 Vrbl 7 14.48 Fair CLR 18.3 2.2 34% 75.74 1010.9
07 13:56 Vrbl 11 16.09 A Few Clouds FEW065 18.3 3.3 18.3 10.6 37% 75.77 1011.3
07 12:56 Vrbl 11 16.09 A Few Clouds FEW100 17.2 3.3 40% 75.84 1012.2
07 11:56 Vrbl 6 16.09 A Few Clouds FEW100 15.6 2.8 42% 75.92 1013.3
07 10:56 NW 6 16.09 Overcast OVC070 12.2 3.3 55% 75.97 1014.0
07 09:56 Calm 16.09 Overcast OVC070 11.7 6.1 69% 76 1014.5
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)