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 03:56 Vrbl 7 16.09 Fair CLR 24.4 24.4 100% 24 76.5 1020.8
06 02:56 S 11 16.09 Fair CLR 25 25 100% 25 76.48 1020.4
06 01:56 S 7 16.09 A Few Clouds FEW035 25.6 25 26.7 24.4 97% 27 76.53 1020.9
06 00:56 S 7 16.09 Overcast SCT040 OVC047 26.1 24.4 90% 28 76.56 1021.5
05 23:56 Calm 16.09 Fair CLR 25.6 23.9 90% 27 76.53 1021.2
05 22:56 Calm 16.09 Fair CLR 25.6 24.4 93% 27 76.53 1021.1
05 21:56 Vrbl 6 16.09 Fair CLR 26.7 24.4 87% 30 76.5 1020.6
05 20:56 SE 6 16.09 Mostly Cloudy BKN047 26 0 0% 76.48 1020.3
05 19:56 Calm 16.09 Mostly Cloudy SCT034 BKN065 26.7 25.6 30 25.6 94% 30 76.45 1020.0 0.15
05 18:56 Calm 16.09 Fair CLR 28.9 24.4 77% 34 76.4 1019.5
05 17:56 Vrbl 6 16.09 Fair CLR 29.4 24.4 75% 35 76.43 1019.6
05 16:56 Calm 16.09 Overcast FEW017 BKN039 OVC070 27.2 26.1 94% 32 76.43 1019.9 0.15
05 15:56 SW 7 16.09 Overcast FEW015 BKN034 OVC050 28.3 26.1 88% 34 76.45 1020.1 0.03
05 14:56 S 11 12.87 Rain FEW012 BKN024 OVC036 26.1 26.1 100% 29 76.5 1020.7 0.13
05 13:56 NW 7 16.09 Overcast FEW011 BKN047 OVC090 26.1 26.1 29.4 22.8 100% 29 76.5 1020.8 0.13 0.48
05 10:56 Calm 9.66 Light Rain OVC007 24 0 0% 76.56 1021.4 0.23 0.33
05 09:56 SE 7 8.05 Light Rain OVC008 24 0 0% 76.53 1021.3 0.1
05 08:56 Vrbl 6 16.09 Light Rain OVC005 24 0 0% 76.56 1021.3
05 07:56 Calm 14.48 Light Rain OVC005 23 0 23.3 22.2 0% 76.53 1021.2 0.2
05 06:56 Calm 6.44 Light Rain BKN005 BKN028 OVC055 23 0 0% 76.5 1020.9 0.41
05 05:56 Vrbl 6 6.44 Rain OVC005 22 0 0% 76.5 1020.6 0.13
05 04:56 Calm 16.09 Overcast OVC007 22 0 0% 76.48 1020.5 0.03
05 03:56 Calm 16.09 Light Rain SCT009 BKN019 OVC060 22 0 0% 76.48 1020.5
05 02:56 Calm 16.09 Overcast BKN009 OVC046 23.3 22.2 94% 76.5 1020.7
05 01:56 Vrbl 6 16.09 Overcast OVC050 23.3 22.2 26.1 22.8 94% 76.5 1020.8
05 00:56 Calm 16.09 Mostly Cloudy FEW046 BKN060 22.8 21.7 94% 76.53 1020.9
04 23:56 Calm 16.09 Mostly Cloudy BKN046 23.9 22.2 90% 23 76.53 1021.1
04 22:56 Calm 16.09 Fair CLR 23.9 22.8 94% 23 76.5 1020.9
04 21:56 Calm 16.09 Fair CLR 24.4 22.2 88% 25 76.5 1020.8
04 20:56 Calm 16.09 Partly Cloudy SCT055 25 21.7 82% 26 76.48 1020.5
04 19:56 Calm 16.09 Fair CLR 26.1 21.1 30.6 26.1 74% 28 76.48 1020.7
04 18:56 Vrbl 7 16.09 Fair CLR 28.3 20.6 63% 30 76.45 1020.2
04 17:56 Vrbl 7 16.09 Fair CLR 29.4 19.4 55% 31 76.48 1020.3
04 16:56 Vrbl 6 11.27 Fair CLR 30 20 55% 32 76.45 1020.0
04 15:56 Vrbl 6 16.09 Fair CLR 30 19.4 53% 32 76.45 1019.9
04 14:56 Vrbl 6 16.09 Fair CLR 30 19.4 53% 32 76.45 1020.1
04 13:56 Vrbl 6 16.09 Fair CLR 29.4 19.4 29.4 20.6 55% 31 76.5 1020.8
04 12:56 Vrbl 6 16.09 Fair CLR 28.3 18.3 55% 29 76.53 1021.2
04 11:56 Vrbl 6 16.09 Fair CLR 27.8 18.3 56% 29 76.56 1021.3
04 10:56 Calm 16.09 Fair CLR 26.7 18.9 62% 28 76.5 1020.9
04 09:56 Vrbl 6 16.09 Fair CLR 23.9 17.8 69% 25 76.5 1020.8
04 08:56 Vrbl 6 16.09 Fair CLR 22.8 17.2 71% 76.48 1020.5
04 07:56 Vrbl 6 16.09 Fair CLR 20.6 18.3 22.2 19.4 87% 76.45 1020.2
04 06:56 Calm 16.09 Fair CLR 20.6 17.8 84% 76.43 1019.8
04 05:56 NE 6 16.09 Fair CLR 20 18.3 90% 76.38 1019.2
04 04:56 Calm 16.09 Fair CLR 20.6 17.8 84% 76.38 1018.9
04 03:56 Calm 16.09 Fair CLR 21.1 17.8 82% 76.35 1018.6
04 02:56 Calm 16.09 Fair CLR 21.7 17.8 79% 76.3 1018.1
04 01:56 Vrbl 7 16.09 Fair CLR 21.7 17.8 26.1 20.6 79% 76.28 1017.8
04 00:56 Calm 16.09 Fair CLR 21.1 18.9 87% 76.25 1017.4
03 23:56 Calm 16.09 Fair CLR 21.1 18.9 87% 76.2 1016.8
03 22:56 Calm 16.09 Fair CLR 22.2 17.8 76% 76.2 1016.6
03 21:56 Calm 16.09 Fair CLR 22.2 18.3 79% 76.15 1016.0
03 20:56 Calm 16.09 Fair CLR 23.3 20 82% 76.07 1015.1
03 19:56 Calm 16.09 Fair CLR 26.1 19.4 31.1 26.1 67% 27 76.02 1014.2
03 18:56 Vrbl 6 16.09 Fair CLR 28.9 18.9 55% 30 75.97 1013.6
03 17:56 NW 6 16.09 Fair CLR 30 18.3 49% 31 75.92 1012.9
03 16:56 Vrbl 9 16.09 Partly Cloudy SCT048 30.6 19.4 51% 32 75.87 1012.3
03 15:56 NW 13 16.09 Fair CLR 30.6 21.1 57% 33 75.84 1011.8
03 14:56 NW 15 16.09 A Few Clouds FEW044 30 20.6 57% 32 75.84 1011.9
03 13:56 NW 22 G 33 16.09 Partly Cloudy FEW036 SCT090 28.9 21.1 29.4 23.9 63% 31 75.82 1011.5
03 12:56 NW 15 16.09 Overcast BKN036 OVC047 28.3 21.1 65% 31 75.82 1011.6
03 11:56 W 17 16.09 Mostly Cloudy BKN029 BKN039 BKN055 28.3 22.2 70% 31 75.82 1011.4
03 10:56 W 19 16.09 Partly Cloudy SCT027 27.8 22.8 74% 31 75.77 1011.0
03 09:56 W 15 16.09 Mostly Cloudy FEW017 BKN080 26.7 24.4 87% 30 75.74 1010.7
03 08:56 Vrbl 11 16.09 Overcast OVC006 25 0 0% 75.74 1010.5
03 07:56 S 7 16.09 Overcast OVC006 24 0 23.9 23.3 0% 75.72 1010.3
03 06:56 Calm 14.48 Overcast OVC006 24 0 0% 75.69 1010.0
03 05:56 SW 7 16.09 Overcast OVC006 23 0 0% 75.64 1009.3
03 04:56 Vrbl 9 16.09 Overcast OVC006 23 0 0% 75.62 1008.9
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)