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.
26 08:56 Vrbl 6 16.09 Overcast OVC013 8.3 7.2 93% 76.43 1020.5
26 07:56 Vrbl 6 16.09 Overcast OVC009 7 0 7.2 6.1 0% 76.38 1020.1
26 06:56 Vrbl 7 16.09 Overcast OVC009 6 0 0% 5 76.33 1019.3
26 05:56 Vrbl 6 16.09 Overcast OVC011 6 0 0% 76.28 1018.4
26 04:56 Vrbl 6 16.09 Overcast OVC011 6 0 0% 76.2 1017.5
26 03:56 N 7 16.09 Overcast OVC009 6 0 0% 5 76.17 1016.8
26 02:56 Vrbl 6 16.09 Overcast OVC009 7 0 0% 76.12 1016.5
26 01:56 Calm 11.27 Light Rain OVC007 7 0 8.9 7.2 0% 76.12 1016.4 0.1
26 00:56 Vrbl 6 16.09 Overcast BKN009 OVC014 8 0 0% 76.1 1016.1
25 23:56 Vrbl 7 16.09 Overcast BKN007 OVC013 8 0 0% 7 76.07 1015.7
25 22:56 Calm 16.09 Light Rain OVC005 8 0 0% 76.07 1015.6 0.05 0.1
25 21:56 Vrbl 6 9.66 Light Rain OVC005 9 0 0% 76.05 1015.5 0.05
25 20:56 Vrbl 6 16.09 Overcast OVC007 9 0 0% 76.02 1015.0
25 19:56 Calm 16.09 Light Rain OVC007 9 0 16.1 8.9 0% 75.95 1014.1 0.33
25 18:56 Vrbl 6 16.09 Overcast OVC007 9 0 0% 75.95 1013.8 0.08
25 17:56 Vrbl 9 12.87 Light Rain SCT009 BKN020 OVC095 10 0 0% 9 75.9 1013.3 0.2
25 16:56 E 6 9.66 Rain Fog/Mist OVC023 11.1 11.1 100% 75.95 1014.0 0.05 0.05
25 15:56 Vrbl 9 16.09 Light Rain OVC027 12.8 11.7 93% 75.92 1013.4
25 14:56 Vrbl 9 16.09 Overcast OVC029 15.6 7.8 60% 75.9 1013.0
25 13:56 Vrbl 9 16.09 Overcast OVC025 16.1 9.4 16.7 12.2 65% 75.9 1013.1
25 12:56 Vrbl 7 16.09 Overcast OVC023 16.1 9.4 65% 75.92 1013.4
25 11:56 E 13 G 26 16.09 Overcast OVC021 15.6 9.4 67% 75.92 1013.5
25 10:56 Vrbl 6 16.09 Overcast OVC019 15 10 72% 75.92 1013.6
25 09:56 Calm 16.09 Overcast OVC015 13.3 10.6 84% 75.97 1014.0
25 08:56 Vrbl 11 16.09 Overcast OVC011 12.2 11.7 97% 75.97 1014.0
25 07:56 Vrbl 6 16.09 Overcast OVC011 12.2 11.7 13.9 11.1 97% 75.92 1013.5
25 06:56 Calm 16.09 Overcast OVC011 11.7 11.7 100% 75.87 1012.8
25 05:56 E 7 16.09 Partly Cloudy SCT011 11.1 11.1 100% 75.79 1011.7
25 04:56 Vrbl 7 16.09 A Few Clouds FEW090 11.7 10 89% 75.79 1011.6
25 03:56 Vrbl 7 16.09 Fair CLR 12.2 12.2 100% 75.77 1011.2
25 02:56 Vrbl 6 16.09 Fair CLR 13.3 11.7 90% 75.72 1010.5
25 01:56 E 7 16.09 Fair CLR 13.9 13.9 19.4 13.9 100% 75.72 1010.4 0.03
25 00:56 Calm 16.09 Partly Cloudy SCT100 15 14.4 96% 75.74 1010.8
24 23:56 E 6 16.09 A Few Clouds FEW090 15.6 14.4 93% 75.77 1011.0
24 22:56 Calm 16.09 Fair CLR 15.6 12.2 80% 75.74 1010.9 0.03
24 21:56 Calm 16.09 Fair CLR 17.2 11.7 70% 75.74 1010.6
24 20:56 SE 6 16.09 Partly Cloudy SCT100 18.9 11.7 63% 75.72 1010.4 0.03
24 19:56 SE 7 16.09 Mostly Cloudy BKN100 19.4 11.7 27.8 19.4 61% 75.69 1010.1
24 18:56 SE 11 16.09 Mostly Cloudy BKN100 21.1 11.7 55% 75.64 1009.5
24 17:56 Vrbl 9 16.09 Fair CLR 22.8 12.2 51% 75.62 1009.3
24 16:56 Vrbl 9 16.09 Fair CLR 23.3 14.4 57% 75.64 1009.4
24 15:56 Vrbl 6 16.09 Mostly Cloudy BKN090 23.3 11.7 48% 75.59 1008.7
24 14:56 Vrbl 7 16.09 Thunderstorm in Vicinity FEW040 SCT090 BKN110 26.1 12.2 42% 26 75.62 1009.1
24 13:56 W 11 16.09 Mostly Cloudy BKN090 27.2 13.3 27.8 16.7 42% 27 75.67 1009.7
24 12:56 Calm 16.09 Fair CLR 26.7 12.2 41% 27 75.69 1010.2
24 11:56 Vrbl 6 16.09 Fair CLR 25.6 11.7 42% 26 75.77 1010.9
24 10:56 Vrbl 6 16.09 Fair CLR 23.3 11.1 46% 75.79 1011.2
24 09:56 Calm 16.09 Mostly Cloudy BKN090 22.8 11.7 50% 75.79 1011.6
24 08:56 Calm 16.09 Fair CLR 20 11.7 59% 75.82 1011.7
24 07:56 NW 9 16.09 Fair CLR 16.7 12.8 16.7 12.8 78% 75.79 1011.6
24 06:56 Calm 16.09 Fair CLR 13.3 12.8 97% 75.77 1011.0
24 05:56 Calm 16.09 Fair CLR 12.8 12.8 100% 75.74 1010.8
24 04:56 Calm 16.09 Fair CLR 13.3 13.3 100% 75.77 1011.0
24 03:56 Calm 16.09 Fair CLR 13.3 13.3 100% 75.74 1010.9
24 02:56 Calm 16.09 Fair CLR 13.3 13.3 100% 75.74 1010.7
24 01:56 Calm 16.09 Fair CLR 14.4 13.3 22.2 13.9 93% 75.77 1011.1
24 00:56 Calm 16.09 Fair CLR 14.4 13.3 93% 75.79 1011.4
23 23:56 Calm 16.09 Fair CLR 15.6 12.8 84% 75.84 1012.0
23 22:56 Calm 16.09 Fair CLR 16.7 12.8 78% 75.84 1012.2
23 21:56 Calm 16.09 Fair CLR 17.8 12.2 70% 75.87 1012.6
23 20:56 Calm 16.09 Fair CLR 20.6 11.7 57% 75.87 1012.3
23 19:56 Calm 16.09 Partly Cloudy SCT090 22.2 12.2 27.8 22.2 53% 75.82 1012.0
23 18:56 Calm 16.09 Fair CLR 26.1 10.6 38% 26 75.82 1011.9
23 17:56 NW 7 16.09 A Few Clouds FEW080 26.7 10.6 37% 26 75.84 1012.3
23 16:56 Vrbl 6 16.09 A Few Clouds FEW075 27.2 10.6 35% 27 75.87 1012.5
23 15:56 W 15 16.09 Partly Cloudy SCT070 26.7 11.1 38% 27 75.95 1013.4
23 14:56 W 15 16.09 A Few Clouds FEW065 26.1 11.7 41% 26 76.02 1014.4
23 13:56 W 26 G 33 16.09 Fair CLR 25.6 11.7 26.1 15.6 42% 26 76.05 1015.0
23 12:56 NW 7 16.09 Fair CLR 25 12.8 47% 26 76.12 1015.9
23 11:56 Vrbl 6 16.09 Partly Cloudy SCT045 23.9 13.3 52% 25 76.2 1016.8
23 10:56 Vrbl 6 16.09 Fair CLR 22.8 13.3 55% 76.2 1017.1
23 09:56 NW 17 16.09 Fair CLR 21.1 12.8 59% 76.2 1017.1
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)