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.
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
23 08:56 NW 11 16.09 Fair CLR 19.4 12.8 66% 76.2 1017.1
23 07:56 W 6 16.09 Fair CLR 15.6 14.4 15.6 10.6 93% 76.2 1017.0
23 06:56 Calm 16.09 A Few Clouds FEW095 11 0 0% 76.17 1016.8
23 05:56 Calm 16.09 Fair CLR 10.6 10.6 100% 76.12 1016.2
23 04:56 Calm 16.09 Fair CLR 11.7 11.7 100% 76.12 1015.9
23 03:56 Calm 16.09 A Few Clouds FEW065 11.7 11.1 96% 76.12 1015.9
23 02:56 Calm 16.09 Fair CLR 12.8 10.6 87% 76.1 1015.8
23 01:56 Calm 16.09 Fair CLR 12.8 10.6 21.1 12.8 87% 76.12 1016.1
23 00:56 Calm 16.09 Fair CLR 15 9.4 69% 76.15 1016.4
22 23:56 W 7 16.09 Fair CLR 15 9.4 69% 76.15 1016.3
22 22:56 Calm 16.09 Fair CLR 15 8.9 67% 76.12 1016.1
22 21:56 Calm 16.09 Fair CLR 16.7 9.4 62% 76.1 1015.7
22 20:56 W 7 16.09 Fair CLR 19.4 8.9 51% 76.07 1015.4
22 19:56 W 7 16.09 A Few Clouds FEW100 21.1 8.9 25.6 21.1 46% 76.02 1014.6
22 18:56 SW 19 16.09 Mostly Cloudy BKN075 BKN090 23.3 10 43% 76 1014.2
22 17:56 Vrbl 11 16.09 Fair CLR 24.4 8.9 37% 25 76.02 1014.5
22 16:56 Vrbl 7 16.09 A Few Clouds FEW065 25 9.4 37% 26 76.02 1014.8
22 15:56 W 9 16.09 Partly Cloudy SCT070 24.4 10 40% 25 76.07 1015.2
22 14:56 Vrbl 9 16.09 Mostly Cloudy BKN075 23.3 9.4 41% 76.12 1016.2
22 13:56 Vrbl 9 16.09 Mostly Cloudy BKN080 21.1 9.4 21.1 9.4 47% 76.2 1017.3 0.15
22 12:56 Vrbl 6 16.09 Fair CLR 17.2 10.6 65% 76.28 1018.0
22 11:56 Vrbl 7 16.09 A Few Clouds FEW100 13.3 11.7 90% 76.3 1018.6 0.03
22 10:56 Calm 16.09 Light Rain OVC080 9.4 9.4 100% 76.33 1019.1 0.13 0.13
22 09:56 Calm 16.09 Light Rain BKN095 BKN110 12.8 3.9 55% 76.35 1019.2
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)