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.
04 02:56 NW 6 16.09 Fair CLR 21 0 0% 76.07 1014.9 0.03
04 01:56 NW 6 16.09 Partly Cloudy SCT005 21 0 29.4 20.6 0% 76.05 1014.6 0.03 0.53
04 00:56 Vrbl 7 16.09 Light Rain FEW110 22.2 22.2 100% 76.12 1015.8 0.03
03 23:56 W 20 G 33 9.66 Thunderstorm Rain Fog/Mist FEW020 SCT055 BKN065 22.2 22.2 100% 76.3 1018.0 0.48
03 22:56 Vrbl 7 G 26 16.09 Thunderstorm in Vicinity FEW028 SCT035 BKN095 26.7 23.3 82% 29 76.17 1016.3
03 21:56 Calm 16.09 Fair CLR 28.3 25.6 85% 34 76.12 1015.8
03 20:56 SW 6 16.09 Fair CLR 28.9 25 80% 34 76.12 1015.5
03 19:56 SW 7 12.87 Fair CLR 28.9 23.9 32.8 28.3 74% 33 76.17 1016.2
03 18:56 W 7 16.09 Fair CLR 30 23.3 67% 34 76.1 1015.3
03 17:56 W 13 16.09 Fair CLR 32.2 23.9 62% 38 76.07 1015.2
03 16:56 W 15 16.09 Fair CLR 32.2 22.8 58% 37 76.1 1015.3
03 15:56 W 15 16.09 Fair CLR 31.1 23.3 63% 36 76.15 1016.1
03 14:56 W 9 16.09 Fair CLR 28.9 22.8 70% 32 76.23 1017.0
03 13:56 NW 9 16.09 Fair CLR 28.3 21.7 28.3 22.8 67% 31 76.25 1017.4 0.03
03 12:56 W 15 16.09 Fair CLR 27.2 22.8 77% 30 76.35 1018.7
03 11:56 W 9 16.09 Light Rain FEW070 BKN100 23.9 23.9 100% 22 76.4 1019.6 0.03
03 10:56 W 7 16.09 Light Rain OVC010 24.4 24.4 100% 24 76.4 1019.4
03 09:56 Vrbl 6 16.09 Overcast OVC008 24.4 24.4 100% 24 76.35 1018.9
03 08:56 SE 7 11.27 Mostly Cloudy BKN004 23 0 0% 76.38 1019.3
03 07:56 Calm 9.66 Overcast with Haze OVC004 23 0 22.8 21.1 0% 76.45 1020.1
03 06:56 Calm 6.44 Overcast with Haze OVC004 22 0 0% 76.45 1020.3
03 05:56 Calm 8.05 Overcast with Haze OVC006 22 0 0% 76.35 1018.8
03 04:56 Calm 9.66 Mostly Cloudy with Haze SCT004 BKN065 22 0 0% 76.35 1018.8
03 03:56 Calm 11.27 Overcast OVC004 22 0 0% 76.35 1018.8
03 02:56 SE 13 12.87 Mostly Cloudy BKN004 BKN060 BKN070 22 0 0% 76.3 1018.2
03 01:56 SE 11 16.09 Partly Cloudy SCT060 21 0 22.8 21.1 0% 76.33 1018.5
03 00:56 Calm 16.09 A Few Clouds FEW060 21 0 0% 76.35 1018.6
02 23:56 Calm 16.09 Partly Cloudy SCT075 22 0 0% 76.4 1019.4
02 22:56 Calm 16.09 Overcast OVC070 22 0 0% 76.38 1019.1
02 21:56 Calm 16.09 Partly Cloudy SCT070 22 0 0% 76.38 1019.1
02 20:56 SE 9 16.09 Fair CLR 22 0 0% 76.35 1018.9
02 19:56 Calm 16.09 Fair CLR 23 0 25.6 21.7 0% 76.38 1019.1 0.03
02 18:56 SE 6 16.09 Fair CLR 23.3 23.3 100% 76.38 1019.2
02 17:56 SE 7 16.09 Mostly Cloudy BKN090 25.6 22.8 85% 27 76.4 1019.5
02 16:56 Calm 16.09 Fair CLR 22 0 0% 76.43 1020.0 0.03
02 15:56 SW 6 16.09 Fair CLR 23.9 23.9 100% 22 76.45 1020.1
02 14:56 Calm 16.09 Fair CLR 23.3 23.3 100% 76.43 1019.8 0.03
02 13:56 Vrbl 6 1.61 Thunderstorm Heavy Rain FEW027 BKN060 OVC070 22 0 31.7 21.7 0% 76.53 1021.2 0.97 0.97
02 12:56 Calm 16.09 Partly Cloudy SCT110 30.6 24.4 70% 36 76.53 1021.0
02 11:56 E 7 16.09 Fair CLR 30.6 23.9 67% 36 76.48 1020.4
02 10:56 Vrbl 6 16.09 Fair CLR 30 23.3 67% 34 76.45 1020.0
02 09:56 Calm 16.09 Fair CLR 28.3 22.8 72% 32 76.48 1020.3
02 08:56 SE 7 16.09 Fair CLR 26.1 22.8 82% 28 76.43 1019.9
02 07:56 Calm 16.09 Fair CLR 22.8 22.8 24.4 21.7 100% 76.4 1019.6
02 06:56 Calm 16.09 Partly Cloudy SCT120 22.2 22.2 100% 76.4 1019.6
02 05:56 Calm 16.09 Partly Cloudy SCT120 22.8 22.8 100% 76.4 1019.4
02 04:56 Calm 16.09 Fair CLR 21.7 21.7 100% 76.38 1019.2
02 03:56 Calm 16.09 Fair CLR 22.8 22.8 100% 76.38 1019.1
02 02:56 Calm 16.09 Fair CLR 22.8 22.8 100% 76.35 1018.7
02 01:56 W 6 16.09 Fair CLR 24.4 22.2 30 23.9 88% 25 76.35 1018.7
02 00:56 Calm 16.09 A Few Clouds FEW060 25 21.7 82% 26 76.35 1018.6
01 23:56 NW 6 16.09 Fair CLR 25 22.8 88% 26 76.28 1017.7
01 22:56 Calm 16.09 Fair CLR 26.1 21.7 77% 28 76.23 1017.2
01 21:56 NW 6 16.09 Fair CLR 26.7 21.7 74% 29 76.23 1017.2
01 20:56 W 7 16.09 Fair CLR 28.9 21.7 65% 32 76.2 1016.8
01 19:56 W 13 16.09 Mostly Cloudy BKN070 30 21.7 35 30 61% 33 76.12 1015.7
01 18:56 W 17 16.09 Mostly Cloudy BKN065 BKN080 32.2 21.7 54% 36 76.12 1015.8
01 17:56 W 11 16.09 Fair CLR 33.3 22.8 54% 38 76.12 1015.7
01 16:56 W 17 16.09 A Few Clouds FEW050 34.4 22.8 51% 40 76.17 1016.1
01 15:56 W 19 16.09 Mostly Cloudy SCT050 BKN100 33.3 23.3 56% 39 76.17 1016.4
01 14:56 Vrbl 11 16.09 Mostly Cloudy BKN100 31.7 22.8 59% 36 76.25 1017.3
01 13:56 W 13 16.09 Fair CLR 33.3 23.3 33.3 23.9 56% 39 76.25 1017.2
01 12:56 W 9 16.09 Fair CLR 31.1 24.4 68% 37 76.28 1017.7
01 11:56 W 13 16.09 Fair CLR 30.6 23.3 65% 35 76.33 1018.3
01 09:56 Vrbl 6 16.09 Fair CLR 27.2 22.8 77% 30 76.35 1018.8
01 08:56 W 11 16.09 A Few Clouds FEW120 26.7 23.3 82% 29 76.38 1019.0
01 07:56 Calm 16.09 Fair CLR 23.9 23.9 25 22.8 100% 22 76.38 1019.1
01 06:56 Calm 6.44 Fair with Haze CLR 23 0 0% 76.35 1018.8
01 05:56 Calm 9.66 Fair with Haze CLR 23 0 0% 76.33 1018.5
01 04:56 Calm 16.09 Fair CLR 23 0 0% 76.35 1018.7
01 03:56 Calm 16.09 Fair CLR 23.9 23.9 100% 22 76.35 1018.7
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)