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.
29 16:56 Vrbl 7 16.09 Fair CLR 30 20 55% 32 76.5 1020.7
29 15:56 Vrbl 6 16.09 Mostly Cloudy BKN047 BKN060 28.3 20 61% 30 76.5 1020.8
29 14:56 SE 11 16.09 A Few Clouds FEW050 30 21.1 59% 33 76.5 1020.9
29 13:56 Vrbl 6 16.09 Mostly Cloudy BKN060 29.4 22.2 30 21.7 65% 33 76.53 1021.1
29 12:56 Vrbl 7 16.09 Mostly Cloudy FEW031 BKN060 29.4 21.7 63% 32 76.56 1021.2
29 11:56 Calm 16.09 Partly Cloudy FEW025 SCT060 27.8 21.1 67% 30 76.56 1021.6
29 10:56 Calm 16.09 Overcast SCT016 OVC060 26.1 21.7 77% 28 76.56 1021.5
29 09:56 Vrbl 6 16.09 Overcast OVC055 24.4 23.9 97% 24 76.56 1021.6
29 08:56 Calm 14.48 Overcast OVC049 22 0 0% 76.53 1021.5
29 07:56 Calm 12.87 Overcast OVC045 22 0 21.7 20 0% 76.5 1020.8
29 06:56 Calm 11.27 Overcast OVC047 22 0 0% 76.4 1019.7
29 05:56 Calm 4.83 Fog/Mist OVC045 21 0 0% 76.38 1019.3
29 04:56 Calm 9.66 Overcast with Haze OVC043 21 0 0% 76.3 1018.3
29 03:56 Calm 9.66 Overcast with Haze FEW018 OVC043 21 0 0% 76.3 1018.3
29 02:56 Calm 1.61 Fog/Mist CLR 20 0 0% 76.3 1018.4
29 01:56 Calm 4.83 Fog/Mist BKN021 OVC110 21 0 23.9 21.1 0% 76.3 1018.4
29 00:56 Calm 6.44 Overcast with Haze OVC043 22 0 0% 76.33 1018.7
28 23:56 Calm 9.66 Overcast with Haze OVC043 22 0 0% 76.3 1018.4
28 22:56 Calm 8.05 Partly Cloudy with Haze SCT021 SCT043 21 0 0% 76.3 1018.3
28 21:56 Calm 9.66 Mostly Cloudy with Haze BKN021 22 0 0% 76.3 1018.2
28 20:56 Calm 16.09 Mostly Cloudy BKN070 22 0 0% 76.25 1017.5
28 19:56 SE 6 16.09 Overcast FEW039 SCT046 OVC075 23.3 23.3 26.1 22.8 100% 76.23 1017.3
28 18:56 Calm 16.09 Overcast SCT030 BKN050 OVC080 23.3 23.3 100% 76.2 1017.0
28 17:56 S 7 16.09 Overcast FEW018 BKN031 OVC050 24.4 23.9 97% 24 76.17 1016.6
28 16:56 SE 11 16.09 Overcast SCT015 BKN022 OVC060 25.6 23.9 90% 27 76.2 1016.7
28 15:56 Vrbl 6 16.09 Overcast FEW010 BKN016 OVC075 25.6 24.4 93% 27 76.2 1016.8
28 14:56 Vrbl 6 11.27 Overcast FEW009 OVC016 23 0 0% 76.23 1017.1
28 13:56 Calm 9.66 Overcast with Haze FEW007 OVC016 23 0 22.8 20.6 0% 76.23 1017.2 0.03 0.41
28 12:56 Calm 6.44 Overcast with Haze BKN006 OVC011 22 0 0% 76.25 1017.5
28 11:56 Calm 11.27 Overcast BKN006 OVC042 22 0 0% 76.23 1017.2 0.03
28 10:56 Vrbl 6 2.41 Light Rain OVC004 21 0 0% 76.2 1017.0 0.13 0.36
28 09:56 Vrbl 6 2.82 Light Rain OVC004 21 0 0% 76.2 1016.9 0.18
28 08:56 Calm 2.41 Light Rain OVC006 21 0 0% 76.2 1017.0 0.05
28 07:56 Calm 6.44 Overcast with Haze BKN004 OVC011 21 0 21.1 20.6 0% 76.17 1016.7 0.03 0.18
28 06:56 Calm 2.01 Light Rain OVC004 21 0 0% 76.15 1016.4 0.15
28 05:56 Vrbl 6 4.02 Light Rain OVC006 21 0 0% 76.15 1016.1
28 04:56 Calm 4.02 Fog/Mist OVC004 21 0 0% 76.12 1015.7
28 03:56 Calm 4.83 Fog/Mist OVC004 21 0 0% 76.1 1015.5
28 02:56 Calm 4.83 Fog/Mist OVC004 21 0 0% 76.15 1016.0
28 01:56 Calm 6.44 Overcast with Haze BKN004 BKN028 OVC043 21 0 21.7 20.6 0% 76.12 1015.9 0.2
28 00:56 Calm 4.83 Fog/Mist FEW038 OVC055 21 0 0% 76.17 1016.4
27 23:56 Calm 4.83 Fog/Mist FEW055 OVC110 21 0 0% 76.2 1016.8
27 22:56 Calm 6.44 Overcast with Haze BKN047 OVC055 21 0 0% 76.17 1016.7 0.03 0.2
27 21:56 Calm 9.66 Overcast with Haze OVC041 22 0 0% 76.23 1017.1
27 20:56 Calm 3.22 Light Rain FEW011 SCT026 OVC037 22 0 0% 76.17 1016.8 0.18
27 19:56 SE 9 4.83 Light Rain FEW006 BKN026 OVC031 22 0 26.7 22.2 0% 76.2 1016.8 0.1 0.13
27 18:56 Vrbl 6 14.48 Light Rain FEW019 SCT026 OVC036 22 0 0% 76.15 1016.4 0.03
27 17:56 SE 11 16.09 Overcast BKN021 BKN027 OVC039 24.4 23.3 94% 24 76.15 1016.2
27 16:56 Calm 16.09 Overcast FEW026 BKN036 OVC046 25.6 22.8 85% 27 76.15 1016.1
27 15:56 Calm 16.09 Overcast FEW024 BKN030 OVC070 25.6 21.7 79% 27 76.17 1016.5
27 14:56 Vrbl 6 16.09 A Few Clouds FEW018 26.1 22.8 82% 28 76.23 1017.1
27 13:56 Calm 16.09 Overcast FEW017 SCT075 OVC100 25 23.3 25 21.7 90% 26 76.28 1017.8
27 12:56 Calm 16.09 Overcast OVC080 23.9 23.9 100% 22 76.3 1018.1
27 11:56 Calm 16.09 Overcast BKN011 OVC120 23.3 23.3 100% 76.35 1018.9
27 10:56 Calm 16.09 Overcast OVC080 22.2 22.2 100% 76.35 1018.9
27 09:56 NW 7 16.09 Overcast SCT022 OVC026 22.2 21.7 97% 76.38 1019.3
27 08:56 Calm 16.09 Overcast OVC027 22 0 0% 76.38 1019.1
27 07:56 Calm 14.48 Overcast OVC041 22 0 23.9 21.1 0% 76.35 1018.7 0.94
27 06:56 Calm 9.66 Light Rain FEW055 SCT090 21 0 0% 76.33 1018.4 0.94
27 05:56 Calm 14.48 Overcast OVC046 22 0 0% 76.35 1018.7
27 04:56 Calm 16.09 Overcast SCT043 BKN050 OVC065 22 0 0% 76.33 1018.3
27 03:56 Calm 16.09 Light Rain BKN065 OVC090 22 0 0% 76.33 1018.5
27 02:56 Calm 16.09 Mostly Cloudy BKN070 BKN090 22 0 0% 76.33 1018.3
27 01:56 Calm 16.09 Light Rain SCT120 22 0 25.6 22.2 0% 76.38 1018.9
27 00:56 SE 6 16.09 A Few Clouds FEW120 22.8 22.8 100% 76.43 1019.6
26 23:56 Calm 16.09 Mostly Cloudy FEW060 BKN075 22.8 22.2 96% 76.45 1019.9
26 22:56 Calm 16.09 Partly Cloudy SCT120 23.3 21.7 91% 76.45 1020.3
26 21:56 Calm 16.09 Fair CLR 23.9 20.6 82% 24 76.45 1020.2
26 20:56 Calm 16.09 A Few Clouds FEW048 24.4 20 77% 25 76.43 1019.7
26 19:56 Calm 16.09 Partly Cloudy SCT120 25.6 20 30.6 25.6 71% 27 76.43 1019.6
26 18:56 Calm 16.09 Fair CLR 26.7 20.6 69% 28 76.38 1019.2
26 17:56 Calm 16.09 Fair CLR 27.2 20.6 67% 29 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)