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.
20 12:56 Vrbl 9 16.09 A Few Clouds FEW021 27.2 21.1 69% 29 76.12 1015.8
20 11:56 S 11 16.09 Overcast BKN017 OVC090 25 20.6 77% 26 76.17 1016.5
20 10:56 SW 11 16.09 Mostly Cloudy FEW013 SCT100 BKN120 23.3 21.1 88% 76.2 1017.0 0.03
20 09:56 S 11 16.09 Overcast SCT039 SCT049 OVC100 21.7 21.7 100% 76.23 1017.1
20 08:56 S 13 16.09 Overcast BKN042 OVC055 20.6 20.6 100% 76.23 1017.1 0.03
20 07:56 Vrbl 7 2.41 Heavy Rain Fog/Mist FEW022 BKN034 OVC043 21.1 20.6 21.7 21.1 97% 76.28 1017.8 0.36 0.36
20 06:56 S 13 16.09 Overcast FEW035 SCT060 OVC085 21.7 19.4 87% 76.23 1017.3
20 05:56 S 13 16.09 Overcast FEW017 OVC037 21.7 20 90% 76.23 1017.2
20 04:56 S 13 16.09 Overcast SCT019 OVC039 21.7 20 90% 76.23 1017.1
20 03:56 S 15 16.09 Overcast BKN019 OVC041 21.7 20 90% 76.23 1017.3
20 02:56 S 13 16.09 Overcast OVC039 21.7 20 90% 76.28 1017.8
19 21:56 Vrbl 7 16.09 Overcast SCT023 OVC041 21.1 20 93% 76.45 1020.4
19 20:56 Calm 16.09 Overcast OVC045 20.6 17.8 84% 76.48 1020.6
19 19:56 Calm 16.09 A Few Clouds FEW100 21.1 18.3 26.7 21.1 84% 76.43 1020.0
19 18:56 Calm 16.09 Overcast BKN050 OVC065 22.8 18.3 76% 76.4 1019.6
19 17:56 Calm 16.09 A Few Clouds FEW043 23.3 18.3 74% 76.43 1019.8
19 16:56 Vrbl 6 16.09 Overcast SCT039 OVC047 23.9 18.3 71% 25 76.45 1020.2
19 15:56 Calm 16.09 Overcast SCT037 OVC070 25 17.2 62% 26 76.48 1020.7
19 14:56 Vrbl 6 16.09 Overcast BKN043 OVC060 25.6 17.8 62% 27 76.5 1021.1
19 13:56 Calm 16.09 Overcast BKN035 OVC060 25 17.2 26.1 16.7 62% 26 76.56 1021.6
19 12:56 Vrbl 6 16.09 Mostly Cloudy FEW038 BKN060 25 16.1 58% 26 76.58 1022.1
19 11:56 Vrbl 6 16.09 Overcast OVC036 25 16.1 58% 26 76.63 1022.7
19 10:56 Vrbl 9 16.09 Partly Cloudy SCT033 22.8 15.6 64% 76.63 1022.6
19 09:56 Vrbl 9 16.09 Fair CLR 20.6 13.9 66% 76.66 1022.8
19 08:56 Calm 16.09 Overcast FEW029 OVC075 18.3 14.4 78% 76.63 1022.7
19 07:56 Vrbl 6 16.09 Partly Cloudy SCT075 16.7 14.4 19.4 15.6 86% 76.63 1022.6
19 06:56 Calm 16.09 Mostly Cloudy BKN055 16.1 14.4 90% 76.61 1022.3
19 05:56 Calm 16.09 Overcast OVC060 16.7 14.4 86% 76.56 1021.8
19 04:56 Calm 16.09 Mostly Cloudy BKN060 16.7 14.4 86% 76.56 1021.6
19 03:56 Calm 16.09 Overcast OVC070 17.8 14.4 81% 76.53 1021.5
19 02:56 Vrbl 6 16.09 Overcast OVC065 18.9 15 78% 76.53 1021.2
19 01:56 Vrbl 6 16.09 Overcast OVC065 19.4 15 22.2 17.8 76% 76.53 1021.2
19 00:56 Calm 16.09 Overcast OVC065 18.9 17.8 93% 76.58 1021.9
18 23:56 Calm 16.09 Fair CLR 18 0 0% 76.58 1021.9
18 22:56 Calm 14.48 Fair CLR 18.3 18.3 100% 76.58 1021.8
18 21:56 Vrbl 6 16.09 Fair CLR 19.4 19.4 100% 76.53 1021.2
18 20:56 Calm 16.09 Fair CLR 20 20 100% 76.53 1021.3
18 19:56 Calm 16.09 Fair CLR 22.2 18.3 28.3 22.2 79% 76.5 1020.9
18 18:56 Calm 16.09 Fair CLR 25 19.4 71% 26 76.45 1020.3
18 17:56 Calm 16.09 Partly Cloudy SCT090 27.2 20 65% 29 76.43 1019.9
18 16:56 Calm 16.09 Overcast OVC075 26.7 21.1 71% 28 76.45 1020.1
18 15:56 Vrbl 6 16.09 Overcast FEW029 OVC055 26.7 21.7 74% 29 76.45 1020.1
18 14:56 Vrbl 6 16.09 Overcast BKN049 OVC075 26.1 21.1 74% 28 76.48 1020.4
18 13:56 Vrbl 6 16.09 Overcast FEW044 BKN060 OVC075 26.7 22.2 28.9 22.2 76% 29 76.5 1020.8
18 12:56 Calm 16.09 Overcast FEW033 OVC065 27.2 20.6 67% 29 76.53 1021.0
18 11:56 Calm 16.09 Mostly Cloudy SCT030 BKN036 BKN047 27.2 22.2 74% 30 76.56 1021.4
18 10:56 Calm 16.09 Mostly Cloudy FEW027 BKN034 BKN048 26.7 21.1 71% 28 76.58 1021.7
18 09:56 Calm 16.09 A Few Clouds FEW026 26.1 22.2 79% 28 76.56 1021.3
18 08:56 NW 6 16.09 Fair CLR 24.4 24.4 100% 24 76.53 1021.0
18 07:56 NW 6 16.09 Partly Cloudy SCT060 22 0 22.2 20 0% 76.5 1021.0
18 06:56 Calm 6.44 Fog/Mist FEW065 20.6 20.6 100% 76.5 1021.0
18 05:56 Calm 4.83 Fog/Mist BKN046 BKN055 21.1 21.1 100% 76.45 1020.1
18 04:56 Calm 11.27 Fair CLR 22 0 0% 76.45 1020.0
18 03:56 Calm 16.09 Partly Cloudy SCT120 22 0 0% 76.43 1019.8
18 02:56 Calm 8.05 A Few Clouds with Haze FEW120 22 0 0% 76.43 1020.0
18 01:56 Calm 16.09 Overcast OVC095 22 0 23.9 21.7 0% 76.48 1020.5
18 00:56 Calm 14.48 Mostly Cloudy SCT065 BKN095 22 0 0% 76.48 1020.6
17 23:56 NW 7 16.09 Overcast FEW070 OVC100 23 0 0% 76.53 1021.1
17 22:56 W 6 14.48 Overcast OVC095 22 0 0% 76.56 1021.6
17 21:56 Calm 16.09 Fair CLR 22.8 22.8 100% 76.58 1021.9
17 20:56 W 6 16.09 Fair CLR 23.3 23.3 100% 76.58 1022.0
17 19:56 SW 6 16.09 Mostly Cloudy SCT050 BKN075 23.9 23.9 26.7 23.9 100% 22 76.58 1021.9
17 18:56 Calm 16.09 Fair CLR 25 24.4 96% 25 76.58 1022.1
17 17:56 SW 11 16.09 Fair CLR 25.6 23.9 90% 27 76.58 1022.0
17 16:56 SW 6 16.09 Fair CLR 26.7 24.4 87% 30 76.61 1022.1
17 15:56 Calm 16.09 Fair CLR 25.6 25.6 100% 27 76.63 1022.8
17 14:56 S 9 16.09 Fair CLR 25 25 100% 25 76.68 1023.4
17 13:56 SE 11 14.48 Light Rain FEW032 BKN070 OVC100 24 0 30 20 0% 76.73 1024.1 0.41 0.76
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)