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.
07 07:56 Calm 16.09 Fair CLR 23 0 22.8 20.6 0% 76.66 1022.8
07 06:56 Calm 11.27 Fair CLR 21 0 0% 76.63 1022.6
07 05:56 Calm 9.66 Fair with Haze CLR 21 0 0% 76.61 1022.2
07 04:56 Calm 9.66 Fair with Haze CLR 21 0 0% 76.61 1022.1
07 03:56 Calm 9.66 Fair with Haze CLR 21 0 0% 76.61 1022.1
07 02:56 Calm 12.87 Fair CLR 22 0 0% 76.61 1022.2
07 01:56 Calm 9.66 Fair with Haze CLR 22 0 25 21.7 0% 76.61 1022.3
07 00:56 Calm 14.48 Fair CLR 22 0 0% 76.66 1022.9
06 23:56 Calm 14.48 Partly Cloudy SCT085 23 0 0% 76.68 1023.1
06 22:56 Calm 12.87 Fair CLR 23 0 0% 76.68 1023.0
06 21:56 Calm 16.09 Fair CLR 23 0 0% 76.63 1022.4
06 20:56 W 15 16.09 Partly Cloudy SCT008 SCT050 SCT100 24 0 0% 76.61 1022.1
06 19:56 NW 9 16.09 Light Rain FEW050 SCT070 BKN110 24 0 33.3 24.4 0% 76.58 1021.7 0.48
06 18:56 Calm 16.09 A Few Clouds FEW080 25.6 25.6 100% 27 76.53 1021.3
06 17:56 Vrbl 6 16.09 A Few Clouds FEW100 26.1 26.1 100% 29 76.56 1021.5 0.13
06 16:56 Vrbl 7 16.09 Thunderstorm in Vicinity Light Rain FEW046 SCT060 BKN085 26.1 26.1 100% 29 76.5 1020.8 0.33 0.36
06 15:56 W 17 12.87 Thunderstorm Rain FEW065 SCT080 OVC100 26.7 26.1 97% 30 76.56 1021.5 0.03
06 14:56 SE 11 16.09 Partly Cloudy SCT042 33.3 23.3 56% 39 76.53 1021.1
06 13:56 Calm 12.87 Mostly Cloudy BKN041 31.1 22.8 32.8 25 61% 35 76.58 1021.5
06 12:56 W 11 4.83 A Few Clouds with Haze FEW035 31.1 24.4 68% 37 76.61 1022.1
06 11:56 W 11 14.48 Partly Cloudy SCT027 30.6 24.4 70% 36 76.63 1022.5
06 10:56 NW 9 16.09 Partly Cloudy SCT022 29.4 25 77% 35 76.63 1022.3
06 09:56 W 7 16.09 Mostly Cloudy BKN015 27.8 25.6 88% 33 76.61 1022.3
06 08:56 S 7 16.09 Partly Cloudy SCT009 26.7 26.1 97% 30 76.58 1021.8
06 07:56 SW 6 16.09 Overcast OVC007 25 25 25.6 23.9 100% 25 76.61 1021.9
06 06:56 S 6 14.48 Partly Cloudy SCT009 24 0 0% 76.56 1021.3
06 05:56 S 7 16.09 Fair CLR 24.4 24.4 100% 24 76.53 1021.1
06 04:56 S 6 16.09 Fair CLR 24.4 24.4 100% 24 76.5 1020.7
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
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)