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.
23 12:56 Vrbl 6 16.09 Fair CLR 25 12.8 47% 26 76.68 1023.3
23 11:56 Calm 16.09 Fair CLR 23.9 11.7 46% 25 76.71 1023.5
23 10:56 Calm 16.09 A Few Clouds FEW042 23.3 13.3 54% 76.71 1023.5
23 09:56 Vrbl 6 16.09 Fair CLR 21.7 13.3 59% 76.68 1023.4
23 08:56 Vrbl 6 16.09 Fair CLR 19.4 13.3 68% 76.66 1023.0
23 07:56 Calm 16.09 Fair CLR 17.8 13.9 20 15 78% 76.63 1022.7
23 06:56 Calm 16.09 Fair CLR 15.6 14.4 93% 76.56 1021.7
23 05:56 Calm 16.09 Fair CLR 15 13.9 93% 76.48 1020.7
23 04:56 Calm 16.09 Fair CLR 15.6 14.4 93% 76.43 1019.8
23 03:56 Calm 16.09 Fair CLR 17.2 13.3 78% 76.38 1019.1
23 02:56 Calm 16.09 Mostly Cloudy SCT075 BKN090 17.8 13.9 78% 76.33 1018.6
23 01:56 Calm 16.09 Overcast BKN070 OVC090 20 12.8 26.1 19.4 63% 76.3 1018.3
23 00:56 Vrbl 6 16.09 Mostly Cloudy BKN070 BKN085 20.6 12.8 61% 76.25 1017.6
22 23:56 Calm 16.09 Overcast OVC070 21.7 12.8 57% 76.23 1017.0
22 22:56 Vrbl 7 16.09 Mostly Cloudy SCT065 BKN080 21.7 13.3 59% 76.17 1016.4
22 21:56 Vrbl 6 16.09 A Few Clouds FEW070 22.8 15 62% 76.12 1015.8
22 20:56 Calm 16.09 Overcast OVC075 24.4 17.2 64% 25 76.05 1014.8
22 19:56 NW 6 16.09 Mostly Cloudy SCT070 BKN090 26.1 17.8 30 26.1 60% 27 76 1013.9
22 18:56 Vrbl 9 16.09 Fair CLR 28.3 17.8 53% 29 75.92 1012.9
22 17:56 NW 17 16.09 Fair CLR 28.9 17.8 51% 30 75.9 1012.6
22 16:56 W 15 G 30 16.09 Fair CLR 30 18.9 51% 31 75.84 1011.8
22 15:56 NW 17 16.09 A Few Clouds FEW060 30 18.9 51% 31 75.84 1011.9
22 14:56 NW 22 G 30 16.09 Fair CLR 29.4 18.9 53% 31 75.87 1012.3
22 13:56 NW 17 G 28 16.09 Mostly Cloudy FEW050 BKN070 BKN095 28.3 18.9 30 22.2 57% 30 75.87 1012.2
22 12:56 W 15 G 26 16.09 Mostly Cloudy FEW043 BKN090 28.9 20 59% 31 75.87 1012.2
22 11:56 SW 11 16.09 Partly Cloudy FEW041 SCT050 SCT095 28.9 20.6 61% 31 75.9 1012.5
22 10:56 W 15 16.09 A Few Clouds FEW095 27.8 21.7 69% 30 75.87 1012.2
22 09:56 W 13 16.09 Fair CLR 26.7 21.7 74% 29 75.87 1012.2
22 08:56 W 11 16.09 Fair CLR 24.4 23.3 94% 24 75.84 1012.0
22 07:56 W 7 16.09 Fair CLR 22 0 22.2 20 0% 75.79 1011.3
22 06:56 NW 6 16.09 Fair CLR 20 0 0% 75.72 1010.4
22 05:56 W 6 11.27 Fair CLR 20 0 0% 75.64 1009.4
22 04:56 Calm 16.09 A Few Clouds FEW095 21 0 0% 75.57 1008.2
22 03:56 S 6 16.09 Fair CLR 21 0 0% 75.54 1007.8
22 02:56 Calm 9.66 Fair with Haze CLR 20 0 0% 75.51 1007.5
22 01:56 SE 7 11.27 Fair CLR 20 0 22.2 20 0% 75.49 1007.0 1.5
22 00:56 Calm 16.09 A Few Clouds FEW075 21 0 0% 75.59 1008.4
21 23:56 S 7 16.09 Mostly Cloudy BKN110 21 0 0% 75.59 1008.6
21 22:56 SW 6 16.09 Partly Cloudy FEW006 SCT120 22 0 0% 75.59 1008.6 0.05 1.5
21 21:56 SE 22 16.09 Rain BKN110 22 0 0% 75.54 1007.7 0.41
21 20:56 W 9 11.27 Thunderstorm in Vicinity Light Rain SCT004 SCT025 OVC100 22 0 0% 75.69 1010.1 1.04
21 19:56 SE 9 11.27 Thunderstorm Rain BKN034 BKN047 OVC075 23 0 31.1 22.2 0% 75.67 1009.5 0.13 2.59
21 18:56 Vrbl 6 16.09 Light Rain FEW028 OVC035 23 0 0% 75.62 1009.0 2.29
21 17:56 S 26 G 33 6.44 Thunderstorm Rain SCT023 BKN029 OVC065 26.7 23.9 85% 29 75.64 1009.3 0.18
21 16:56 SW 7 16.09 Mostly Cloudy FEW032 BKN045 30 23.9 70% 35 75.57 1008.1
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
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)