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.
06 15:56 NE 9 16.09 Mostly Cloudy BKN023 28.9 25 80% 34 76.12 1015.6
06 14:56 Vrbl 6 16.09 Mostly Cloudy FEW021 BKN047 29.4 23.9 72% 34 76.17 1016.2
06 13:56 Vrbl 6 16.09 Overcast OVC017 28.3 25 28.3 22.8 82% 33 76.23 1017.0
06 12:56 Calm 16.09 Overcast OVC013 26.1 25 94% 28 76.25 1017.4
06 11:56 Calm 16.09 Overcast OVC007 25.6 25.6 100% 27 76.25 1017.3
06 10:56 Vrbl 6 14.48 Overcast OVC005 24.4 24.4 100% 24 76.23 1016.9
06 09:56 Calm 9.66 Overcast with Haze OVC007 24 0 0% 76.23 1017.3
06 08:56 Calm 14.48 Overcast OVC007 24 0 0% 76.25 1017.7
06 07:56 Calm 12.87 Overcast OVC005 23 0 22.8 21.1 0% 76.2 1017.0
06 06:56 Calm 12.87 A Few Clouds FEW009 22 0 0% 76.17 1016.3
06 05:56 Calm 6.44 A Few Clouds with Haze FEW070 21 0 0% 76.15 1015.9
06 04:56 Calm 8.05 A Few Clouds with Haze FEW003 22 0 0% 76.12 1015.6
06 03:56 Calm 11.27 Overcast OVC007 22 0 0% 76.07 1015.1
06 02:56 Calm 16.09 Fair CLR 22 0 0% 76.07 1014.9
06 01:56 Vrbl 7 12.87 Fair CLR 22 0 23.3 21.7 0% 76 1014.0 0.58
06 00:56 Vrbl 6 16.09 Light Rain FEW110 22 0 0% 76.05 1014.6 0.08
05 23:56 Vrbl 6 16.09 Light Rain FEW065 SCT090 BKN110 22 0 0% 76.15 1016.1 0.51
05 22:56 NW 13 16.09 Thunderstorm in Vicinity FEW018 BKN046 OVC050 22.8 22.8 100% 76.23 1017.1
05 21:56 Calm 16.09 Fair CLR 21.7 21.7 100% 76.02 1014.2
05 20:56 Calm 16.09 Partly Cloudy SCT110 22.8 22.2 96% 75.97 1013.5
05 19:56 Vrbl 6 16.09 Thunderstorm SCT046 22.8 20 34.4 22.2 84% 76 1014.0 0.03 0.03
05 18:56 Vrbl 11 9.66 Thunderstorm Haze BKN038 OVC050 25 20.6 77% 26 75.92 1012.9
05 17:56 Vrbl 9 16.09 Thunderstorm BKN042 OVC048 30.6 24.4 70% 36 75.9 1012.6
05 16:56 Calm 16.09 Overcast BKN055 BKN070 OVC090 31.7 23.3 61% 37 75.95 1013.1
05 15:56 SE 9 16.09 Fair CLR 33.3 21.7 51% 37 75.95 1013.4
05 14:56 Calm 16.09 Fair CLR 33.9 21.7 49% 38 76.05 1014.5
05 13:56 SE 13 16.09 Fair CLR 32.8 22.8 33.9 25 56% 38 76.1 1015.2
05 12:56 Vrbl 7 16.09 Fair CLR 32.2 22.2 56% 36 76.12 1015.6
05 11:56 SE 7 16.09 Fair CLR 31.7 22.2 57% 36 76.15 1016.1
05 10:56 Calm 16.09 Fair CLR 30 22.8 65% 34 76.17 1016.2
05 09:56 NE 6 16.09 Partly Cloudy SCT055 27.8 22.8 74% 31 76.17 1016.4
05 08:56 Calm 16.09 Fair CLR 26.7 23.3 82% 29 76.2 1016.6
05 07:56 Calm 16.09 Fair CLR 25 24.4 25 21.7 96% 25 76.2 1016.7
05 06:56 Calm 14.48 A Few Clouds FEW095 23 0 0% 76.17 1016.6
05 05:56 Calm 12.87 Fair CLR 22 0 0% 76.15 1015.8
05 04:56 SE 7 9.66 Partly Cloudy with Haze SCT120 22 0 0% 76.05 1014.5
05 03:56 Vrbl 6 12.87 Fair CLR 22 0 0% 76.1 1015.1
05 02:56 Calm 11.27 Fair CLR 22 0 0% 76.02 1014.2
05 01:56 SE 6 12.87 Fair CLR 22 0 24.4 21.7 0% 76.1 1015.4 0.1
05 00:56 Calm 14.48 A Few Clouds FEW100 22 0 0% 76.1 1015.3
04 23:56 Calm 14.48 Fair CLR 22 0 0% 76.12 1015.7
04 22:56 Calm 9.66 Partly Cloudy with Haze SCT110 22 0 0% 76.17 1016.3 0.1
04 21:56 S 7 16.09 Mostly Cloudy BKN110 23.9 22.2 90% 23 76.25 1017.4
04 20:56 W 7 16.09 A Few Clouds FEW100 23.9 23.9 100% 22 76.12 1015.8 0.1
04 19:56 N 6 6.44 Light Rain SCT110 23 0 38.3 21.1 0% 76.12 1015.8
04 18:56 NW 19 G 26 6.44 Thunderstorm Light Rain Fog/Mist FEW008 BKN055 BKN095 21.7 21.7 100% 76.05 1014.9 2.59
04 17:56 S 9 16.09 Partly Cloudy SCT080 36.1 21.1 42% 40 75.9 1012.4
04 16:56 SW 6 16.09 A Few Clouds FEW070 38.3 22.2 39% 44 76 1013.6
04 15:56 Vrbl 9 16.09 Fair CLR 36.1 20.6 40% 39 76.05 1014.2
04 14:56 S 7 16.09 Fair CLR 37.2 21.1 39% 41 76.1 1014.9
04 13:56 NW 9 16.09 Fair CLR 36.1 21.1 36.1 27.2 42% 40 76.15 1015.8
04 12:56 Vrbl 7 16.09 Fair CLR 35 20.6 43% 38 76.23 1016.6
04 11:56 NW 9 16.09 Fair CLR 34.4 20.6 44% 37 76.25 1016.9
04 10:56 NW 7 16.09 Fair CLR 32.8 21.7 52% 36 76.25 1017.1
04 09:56 W 9 16.09 Fair CLR 31.1 21.1 55% 34 76.28 1017.6
04 08:56 W 7 16.09 Fair CLR 29.4 21.1 61% 32 76.28 1017.6
04 07:56 W 11 16.09 Fair CLR 27.2 22.2 27.2 23.3 74% 30 76.25 1017.2
04 06:56 Calm 16.09 Fair CLR 23.9 23.9 100% 22 76.23 1016.9
04 05:56 Calm 16.09 Fair CLR 23 0 0% 76.23 1016.8
04 04:56 Calm 16.09 Fair CLR 25 25 100% 25 76.17 1016.3
04 03:56 Calm 16.09 Fair CLR 26.1 24.4 90% 28 76.2 1016.6
04 02:56 Calm 16.09 Fair CLR 26.1 25.6 97% 29 76.25 1016.9
04 01:56 Calm 16.09 Fair CLR 25.6 25.6 34.4 25.6 100% 27 76.25 1017.0
04 00:56 Calm 16.09 Fair CLR 26.7 26.1 97% 30 76.25 1017.3
03 23:56 Calm 16.09 Fair CLR 27.8 25.6 88% 33 76.28 1017.4
03 22:56 Calm 16.09 Fair CLR 28.9 25 80% 34 76.28 1017.3
03 21:56 Calm 16.09 Fair CLR 30 23.9 70% 35 76.23 1016.7
03 20:56 W 6 16.09 Fair CLR 31.7 23.9 63% 37 76.17 1016.2
03 19:56 Vrbl 9 16.09 Fair CLR 34.4 23.9 37.2 34.4 54% 41 76.15 1015.8
03 18:56 W 9 16.09 Fair CLR 36.1 24.4 51% 44 76.15 1015.9
03 17:56 W 11 16.09 A Few Clouds FEW060 36.1 23.3 48% 42 76.17 1016.2
03 16:56 W 15 16.09 A Few Clouds FEW060 36.1 23.9 49% 43 76.25 1017.0
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)