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.
16 12:56 S 13 14.48 Light Rain BKN013 OVC018 22.2 22.2 100% 76.38 1019.1 0.08
16 11:56 Calm 8.05 Light Rain FEW022 BKN029 OVC036 22 0 0% 76.43 1019.9 0.1
16 09:56 S 11 9.66 Heavy Rain Fog/Mist FEW013 SCT019 OVC046 23.9 23.9 100% 22 76.48 1020.5 0.08
16 08:56 SE 11 16.09 Overcast OVC048 23 0 0% 76.48 1020.6
16 07:56 SE 13 16.09 Overcast OVC050 23 0 23.9 21.1 0% 76.5 1020.8 0.05 0.05
16 06:56 S 13 16.09 Overcast FEW011 BKN090 OVC120 23.9 23.9 100% 22 76.5 1020.8
16 05:56 SE 7 16.09 Overcast BKN060 OVC090 23.3 23.3 100% 76.48 1020.5
16 04:56 SE 7 16.09 Overcast OVC090 23.3 22.8 97% 76.48 1020.4
16 03:56 SE 7 16.09 Overcast OVC080 23.9 21.7 88% 24 76.5 1020.9
16 02:56 SE 7 16.09 Overcast OVC044 23.3 21.1 88% 76.53 1021.1
16 01:56 SE 7 16.09 Overcast OVC040 23.9 20.6 25.6 23.3 82% 24 76.56 1021.6
16 00:56 SE 7 16.09 Mostly Cloudy BKN040 BKN110 23.3 20.6 85% 76.61 1022.1
15 23:56 Calm 16.09 Mostly Cloudy BKN110 23.3 20.6 85% 76.61 1022.2
15 22:56 SE 7 16.09 A Few Clouds FEW043 23.9 20 79% 24 76.61 1022.2
15 21:56 SE 7 16.09 Fair CLR 25 20 74% 26 76.63 1022.3
15 20:56 Calm 16.09 Fair CLR 25 20.6 77% 26 76.61 1022.2
15 19:56 Calm 16.09 Fair CLR 26.1 18.9 30.6 26.1 65% 27 76.56 1021.6
15 18:56 Calm 16.09 Fair CLR 28.3 19.4 59% 30 76.56 1021.5
15 17:56 Calm 16.09 Fair CLR 29.4 19.4 55% 31 76.56 1021.5
15 16:56 Calm 16.09 Mostly Cloudy BKN048 30 19.4 53% 32 76.58 1021.6
15 15:56 Vrbl 6 12.87 Fair CLR 30 19.4 53% 32 76.61 1022.0
15 14:56 Vrbl 6 16.09 Mostly Cloudy BKN047 29.4 19.4 55% 31 76.66 1022.7
15 13:56 Calm 16.09 Mostly Cloudy BKN044 30 20 31.1 21.7 55% 32 76.68 1023.2
15 12:56 Vrbl 6 16.09 Partly Cloudy SCT040 29.4 20 57% 31 76.71 1023.4
15 11:56 Vrbl 6 16.09 Fair CLR 28.9 19.4 57% 30 76.73 1023.6
15 10:56 Vrbl 6 16.09 Fair CLR 27.2 18.9 61% 28 76.68 1023.2
15 09:56 Vrbl 6 16.09 Fair CLR 25.6 20 71% 27 76.68 1023.1
15 08:56 Vrbl 6 16.09 Fair CLR 23.3 19.4 79% 76.66 1022.9
15 07:56 Vrbl 6 16.09 Fair CLR 21.7 20 22.2 19.4 90% 76.63 1022.6
15 06:56 Calm 16.09 Fair CLR 20.6 20 96% 76.61 1022.2
15 05:56 Calm 16.09 Fair CLR 20.6 20.6 100% 76.56 1021.4
15 04:56 Calm 16.09 Fair CLR 20.6 20.6 100% 76.5 1021.0
15 03:56 Calm 16.09 Fair CLR 20.6 20.6 100% 76.53 1021.2
15 01:56 Calm 16.09 Overcast OVC110 22.2 22.2 24.4 22.2 100% 76.53 1021.2
15 00:56 Calm 16.09 Overcast OVC110 22.8 22.8 100% 76.53 1021.4
14 23:56 Calm 16.09 Overcast OVC095 22.8 22.8 100% 76.5 1020.8
14 22:56 Calm 16.09 Overcast FEW075 OVC100 23.3 23.3 100% 76.48 1020.4
14 21:56 Calm 16.09 Overcast BKN049 OVC065 23.3 23.3 100% 76.48 1020.4
14 20:56 Calm 16.09 Overcast BKN049 BKN060 OVC075 23.9 23.9 100% 22 76.43 1019.8
14 19:56 Calm 16.09 Overcast BKN050 OVC060 24.4 23.9 27.2 23.9 97% 24 76.4 1019.4
14 18:56 Calm 16.09 Overcast OVC050 25.6 22.8 85% 27 76.38 1019.0
14 17:56 Calm 16.09 Overcast FEW016 OVC050 26.1 24.4 90% 28 76.35 1018.7
14 16:56 Calm 16.09 Overcast OVC070 26.1 23.9 88% 28 76.35 1018.8
14 15:56 Calm 16.09 Mostly Cloudy FEW075 BKN100 26.7 22.8 79% 29 76.35 1018.8
14 14:56 NW 6 16.09 Mostly Cloudy BKN080 BKN090 25.6 22.8 85% 27 76.38 1019.1
14 13:56 Calm 16.09 Overcast OVC075 23.9 22.8 26.7 22.8 94% 23 76.43 1019.7 0.03
14 12:56 Vrbl 6 14.48 Light Rain OVC075 22.8 22.8 100% 76.48 1020.5 0.03
14 11:56 Calm 14.48 Overcast OVC080 25 22.8 88% 26 76.48 1020.4
14 10:56 Calm 16.09 Overcast OVC090 25 21.7 82% 26 76.45 1020.1
14 09:56 Calm 16.09 Overcast OVC110 25.6 20.6 74% 27 76.4 1019.5
14 08:56 Calm 16.09 Overcast OVC110 25 21.1 79% 26 76.38 1019.2
14 07:56 Calm 16.09 Partly Cloudy FEW055 SCT120 23.9 21.7 23.9 22.2 88% 24 76.4 1019.5
14 06:56 Calm 16.09 Overcast OVC046 22.8 22.8 100% 76.4 1019.5
14 05:56 Calm 16.09 Overcast OVC044 22 0 0% 76.35 1018.6
14 04:56 Calm 16.09 Overcast OVC046 22 0 0% 76.28 1017.5
14 03:56 Calm 16.09 A Few Clouds FEW070 22.8 22.8 100% 76.25 1017.5
14 02:56 Calm 16.09 Overcast OVC048 23.9 23.3 96% 23 76.25 1017.3
14 00:56 Calm 16.09 Overcast BKN048 OVC055 23.9 23.3 96% 23 76.3 1018.1
13 23:56 Calm 16.09 Overcast OVC048 23.9 23.3 96% 23 76.28 1017.8
13 22:56 Calm 16.09 Overcast BKN050 OVC060 23.9 23.9 100% 22 76.28 1017.5
13 21:56 Calm 16.09 A Few Clouds FEW055 23.9 23.9 100% 22 76.2 1016.9
13 20:56 Calm 16.09 Overcast OVC055 25 23.3 90% 26 76.15 1016.1
13 19:56 Calm 16.09 Fair CLR 26.1 21.7 31.1 26.1 77% 28 76.1 1015.3
13 18:56 Calm 16.09 Mostly Cloudy BKN055 28.9 20.6 61% 31 76.07 1014.8
13 17:56 Calm 16.09 Overcast OVC070 28.3 21.1 65% 31 76.07 1015.0
13 16:56 Calm 16.09 Overcast OVC060 28.9 21.7 65% 32 76.07 1015.0
13 15:56 W 13 16.09 Partly Cloudy SCT045 SCT055 30.6 21.1 57% 33 76.07 1015.0
13 14:56 Vrbl 6 16.09 Mostly Cloudy BKN044 30 21.1 59% 33 76.07 1015.0
13 13:56 W 17 16.09 Fair CLR 29.4 21.1 30 23.3 61% 32 76.1 1015.1
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)