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.
17 13:56 W 15 16.09 Overcast BKN039 OVC049 30.6 23.3 31.1 23.3 65% 35 75.9 1012.7
17 12:56 W 15 16.09 Mostly Cloudy SCT034 BKN042 30.6 23.9 67% 36 75.95 1013.3
17 11:56 NW 13 16.09 Mostly Cloudy SCT028 BKN034 29.4 23.3 70% 34 75.97 1013.8
17 10:56 NW 13 16.09 Partly Cloudy SCT022 28.3 24.4 79% 33 76 1013.9
17 09:56 NW 13 16.09 Partly Cloudy FEW016 SCT065 26.7 25 90% 30 75.97 1013.7
17 08:56 W 11 16.09 Fair CLR 25 25 100% 25 75.97 1013.6
17 07:56 W 11 16.09 Mostly Cloudy BKN100 23 0 23.9 22.2 0% 75.97 1013.7
17 06:56 W 9 16.09 Overcast OVC047 23 0 0% 75.92 1013.0
17 05:56 Calm 12.87 A Few Clouds FEW047 22 0 0% 75.87 1012.2
17 04:56 W 9 16.09 Mostly Cloudy SCT039 BKN065 23 0 0% 75.87 1012.3
17 03:56 Vrbl 6 16.09 Overcast SCT005 OVC034 23 0 0% 75.87 1012.4
17 02:56 Calm 14.48 Mostly Cloudy FEW005 BKN048 BKN070 23 0 0% 75.87 1012.3
17 01:56 SW 7 11.27 Overcast OVC003 24 0 23.9 22.8 0% 75.9 1012.8 0.28
17 00:56 SW 6 16.09 Mostly Cloudy FEW009 BKN070 24 0 0% 75.95 1013.4
16 23:56 Calm 16.09 A Few Clouds FEW110 23 0 0% 75.97 1013.7
16 22:56 Calm 16.09 A Few Clouds FEW070 23 0 0% 75.97 1013.9 0.28
16 21:56 Calm 11.27 A Few Clouds FEW005 23 0 0% 76.02 1014.3
16 20:56 S 9 16.09 Mostly Cloudy FEW007 SCT037 BKN100 24 0 0% 76.02 1014.3 0.28
16 19:56 SE 11 16.09 Thunderstorm in Vicinity Light Rain FEW016 BKN110 23 0 25 21.7 0% 76.02 1014.5 0.08 0.13
16 18:56 SE 13 16.09 Overcast FEW016 BKN030 OVC110 24.4 23.9 97% 24 76.05 1014.9
16 17:56 S 13 16.09 Mostly Cloudy FEW015 BKN044 BKN080 25 22.8 88% 26 76.12 1015.6
16 16:56 SE 15 16.09 Overcast OVC015 24.4 22.8 91% 24 76.15 1016.1 0.05
16 15:56 S 17 16.09 Overcast OVC013 23.3 23.3 100% 76.2 1016.6
16 14:56 S 15 16.09 Overcast OVC013 22.2 22.2 100% 76.25 1017.6 0.05
16 13:56 Vrbl 9 14.48 Light Rain BKN009 OVC017 22 0 23.9 21.7 0% 76.33 1018.6 0.03 0.33
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
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)