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.
21 15:56 SW 11 16.09 A Few Clouds FEW048 31.1 23.3 63% 36 75.62 1008.7
21 14:56 SW 11 14.48 Overcast FEW035 BKN047 OVC055 30 23.3 67% 34 75.69 1009.8
21 13:56 SW 13 16.09 Fair CLR 31.1 23.3 31.1 25 63% 36 75.74 1010.5
21 12:56 SW 13 14.48 Fair CLR 30.6 23.9 67% 36 75.74 1010.5
21 11:56 S 13 16.09 Fair CLR 28.9 23.3 72% 33 75.79 1011.2
21 10:56 Vrbl 11 16.09 Mostly Cloudy BKN017 28.3 23.3 74% 32 75.79 1011.4
21 09:56 SW 9 16.09 Overcast OVC015 26.1 23.3 85% 28 75.82 1011.5
21 08:56 S 7 16.09 Overcast OVC011 25 24.4 96% 25 75.82 1011.5
21 07:56 S 11 16.09 Overcast OVC011 25 24.4 25 23.9 96% 25 75.82 1011.7
21 06:56 S 6 16.09 Overcast OVC011 24.4 24.4 100% 24 75.82 1011.7
21 05:56 S 9 16.09 Overcast OVC015 24.4 24.4 100% 24 75.84 1012.1
21 04:56 SE 11 16.09 Overcast OVC011 23.9 23.9 100% 22 75.87 1012.2
21 03:56 SE 15 16.09 A Few Clouds FEW065 23.9 23.9 100% 22 75.9 1012.5
21 02:56 SE 15 16.09 Overcast OVC023 24.4 23.9 97% 24 75.95 1013.3
21 01:56 SE 15 16.09 Overcast BKN017 OVC025 24.4 23.3 27.8 23.9 94% 24 76 1013.9
21 00:56 SE 13 16.09 Fair CLR 24.4 22.2 88% 25 76 1014.2
20 23:56 SE 15 16.09 Fair CLR 24.4 21.7 85% 25 76.05 1014.5
20 22:56 SE 13 16.09 Fair CLR 24.4 20.6 79% 25 76.07 1015.0
20 21:56 SE 13 16.09 Fair CLR 25.6 18.3 64% 27 76.05 1014.8
20 20:56 S 7 16.09 A Few Clouds FEW060 26.7 18.3 60% 28 76.1 1015.3
20 19:56 S 11 16.09 Fair CLR 27.8 17.2 30.6 26.7 53% 28 76.1 1015.3
20 18:56 S 9 16.09 Fair CLR 28.9 16.7 48% 29 76.07 1015.1
20 17:56 SW 7 16.09 Partly Cloudy SCT055 28.9 16.7 48% 29 76.1 1015.4
20 16:56 Vrbl 11 16.09 Partly Cloudy SCT055 30 17.8 48% 31 76.12 1015.6
20 15:56 S 11 16.09 Mostly Cloudy FEW055 BKN065 30 17.2 46% 30 76.2 1016.7
20 14:56 SE 15 16.09 Overcast OVC060 27.8 16.7 51% 28 76.23 1017.1
20 13:56 Vrbl 9 16.09 Overcast OVC055 27.8 16.7 28.3 19.4 51% 28 76.23 1017.2
20 12:56 Vrbl 11 16.09 Mostly Cloudy BKN055 28.3 16.7 49% 29 76.28 1017.7
20 11:56 Vrbl 7 16.09 Mostly Cloudy BKN055 26.1 15 50% 27 76.3 1018.2
20 10:56 NE 7 16.09 A Few Clouds FEW065 25.6 16.7 58% 26 76.3 1018.2
20 09:56 Vrbl 6 16.09 Overcast OVC065 22.8 16.7 69% 76.3 1018.4
20 08:56 Calm 16.09 Mostly Cloudy BKN060 21.7 16.1 71% 76.28 1018.1
20 07:56 Calm 16.09 Mostly Cloudy BKN065 19.4 15.6 19.4 15.6 79% 76.25 1017.7
20 06:56 Calm 16.09 Overcast OVC060 16.7 16.7 100% 76.23 1017.2
20 05:56 Calm 16.09 Mostly Cloudy BKN060 16 0 0% 76.2 1017.0
20 04:56 Calm 16.09 Fair CLR 16 0 0% 76.17 1016.6
20 03:56 Calm 16.09 Partly Cloudy SCT060 SCT070 16.1 16.1 100% 76.17 1016.5
20 02:56 Calm 16.09 Fair CLR 16.7 16.7 100% 76.1 1015.8
20 01:56 SE 9 16.09 Fair CLR 18.3 15 24.4 18.3 81% 76.15 1016.1
20 00:56 Calm 16.09 Fair CLR 19.4 14.4 73% 76.17 1016.6
19 23:56 Calm 16.09 A Few Clouds FEW060 20 14.4 70% 76.17 1016.5
19 21:56 Calm 16.09 Fair CLR 20.6 16.7 78% 76.15 1016.0
19 20:56 Calm 16.09 Fair CLR 21.1 16.1 73% 76.07 1015.2
19 19:56 Calm 16.09 Fair CLR 24.4 16.1 29.4 24.4 60% 26 76.05 1014.7
19 18:56 Calm 16.09 Fair CLR 26.7 17.2 56% 27 75.97 1013.8
19 17:56 Vrbl 9 16.09 Fair CLR 27.2 17.2 54% 28 75.97 1013.5
19 16:56 Vrbl 6 16.09 Fair CLR 27.2 18.9 61% 28 75.95 1013.2
19 15:56 Vrbl 6 16.09 Fair CLR 27.8 18.9 58% 29 75.92 1013.1
19 14:56 Vrbl 11 12.87 Fair CLR 27.8 19.4 60% 29 75.97 1013.5
19 13:56 Vrbl 11 14.48 A Few Clouds FEW044 28.9 20 28.9 23.9 59% 31 75.97 1013.5
19 12:56 Vrbl 9 12.87 Mostly Cloudy SCT038 BKN046 26.7 20 67% 28 76 1014.1
19 11:56 Vrbl 7 14.48 Partly Cloudy FEW032 SCT043 27.8 20 63% 29 76 1013.9
19 10:56 Vrbl 6 14.48 A Few Clouds FEW070 27.8 21.1 67% 30 75.97 1013.7
19 09:56 Calm 14.48 Mostly Cloudy BKN080 26.7 22.2 76% 29 75.97 1013.7
19 08:56 Calm 16.09 A Few Clouds FEW080 25.6 22.8 85% 27 75.92 1013.1
19 07:56 Calm 16.09 A Few Clouds FEW090 23.3 23.3 23.3 21.1 100% 75.9 1012.8
19 06:56 Calm 16.09 Fair CLR 21 0 0% 75.84 1012.1
19 05:56 W 6 16.09 Fair CLR 22 0 0% 75.82 1011.9
19 04:56 NW 6 16.09 Partly Cloudy SCT037 22 0 0% 75.77 1010.9
19 03:56 W 9 16.09 Mostly Cloudy BKN055 22 0 0% 75.72 1010.4
19 02:56 Calm 12.87 Fair CLR 23 0 0% 75.74 1010.5
19 01:56 Calm 16.09 Fair CLR 23 0 25 23.3 0% 75.72 1010.1
19 00:56 Calm 16.09 Fair CLR 24 0 0% 75.69 1010.1
18 23:56 Calm 14.48 Overcast OVC041 24 0 0% 75.72 1010.1
18 22:56 Calm 16.09 Fair CLR 24 0 0% 75.72 1010.2
18 21:56 Calm 6.44 Fair with Haze CLR 23 0 0% 75.69 1010.1
18 20:56 Calm 9.66 Fair with Haze CLR 23 0 0% 75.72 1010.2
18 19:56 Calm 16.09 A Few Clouds FEW044 25 25 35 22.2 100% 25 75.72 1010.3 0.97
18 18:56 NW 6 12.87 Fair CLR 24 0 0% 75.69 1010.2
18 17:56 SW 6 16.09 Fair CLR 24.4 24.4 100% 24 75.67 1009.7 0.03
18 16:56 Calm 11.27 Thunderstorm Light Rain SCT044 SCT060 BKN110 23 0 0% 75.9 1012.8 0.94
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)