Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
06 11:56 Calm 10.00 Overcast OVC007 78.1 78.1 100% 81 30.02 1017.3
06 10:56 Vrbl 3 9.00 Overcast OVC005 75.9 75.9 100% 75 30.01 1016.9
06 09:56 Calm 6.00 Overcast with Haze OVC007 75.2 0 0% 30.01 1017.3
06 08:56 Calm 9.00 Overcast OVC007 75.2 0 0% 30.02 1017.7
06 07:56 Calm 8.00 Overcast OVC005 73.4 0 73 70 0% 30 1017.0
06 06:56 Calm 8.00 A Few Clouds FEW009 71.6 0 0% 29.99 1016.3
06 05:56 Calm 4.00 A Few Clouds with Haze FEW070 69.8 0 0% 29.98 1015.9
06 04:56 Calm 5.00 A Few Clouds with Haze FEW003 71.6 0 0% 29.97 1015.6
06 03:56 Calm 7.00 Overcast OVC007 71.6 0 0% 29.95 1015.1
06 02:56 Calm 10.00 Fair CLR 71.6 0 0% 29.95 1014.9
06 01:56 Vrbl 5 8.00 Fair CLR 71.6 0 73.9 71.1 0% 29.92 1014.0 0.23
06 00:56 Vrbl 3 10.00 Light Rain FEW110 71.6 0 0% 29.94 1014.6 0.03
05 23:56 Vrbl 3 10.00 Light Rain FEW065 SCT090 BKN110 71.6 0 0% 29.98 1016.1 0.2
05 22:56 NW 8 10.00 Thunderstorm in Vicinity FEW018 BKN046 OVC050 73 73 100% 30.01 1017.1
05 21:56 Calm 10.00 Fair CLR 71.1 71.1 100% 29.93 1014.2
05 20:56 Calm 10.00 Partly Cloudy SCT110 73 72 96% 29.91 1013.5
05 19:56 Vrbl 3 10.00 Thunderstorm SCT046 73 68 93.9 72 84% 29.92 1014.0 0.01 0.01
05 18:56 Vrbl 7 6.00 Thunderstorm Haze BKN038 OVC050 77 69.1 77% 79 29.89 1012.9
05 17:56 Vrbl 6 10.00 Thunderstorm BKN042 OVC048 87.1 75.9 70% 98 29.88 1012.6
05 16:56 Calm 10.00 Overcast BKN055 BKN070 OVC090 89.1 73.9 61% 98 29.9 1013.1
05 15:56 SE 6 10.00 Fair CLR 91.9 71.1 51% 99 29.9 1013.4
05 14:56 Calm 10.00 Fair CLR 93 71.1 49% 100 29.94 1014.5
05 13:56 SE 8 10.00 Fair CLR 91 73 93 77 56% 100 29.96 1015.2
05 12:56 Vrbl 5 10.00 Fair CLR 90 72 56% 97 29.97 1015.6
05 11:56 SE 5 10.00 Fair CLR 89.1 72 57% 96 29.98 1016.1
05 10:56 Calm 10.00 Fair CLR 86 73 65% 93 29.99 1016.2
05 09:56 NE 3 10.00 Partly Cloudy SCT055 82 73 74% 87 29.99 1016.4
05 08:56 Calm 10.00 Fair CLR 80.1 73.9 82% 85 30 1016.6
05 07:56 Calm 10.00 Fair CLR 77 75.9 77 71.1 96% 78 30 1016.7
05 06:56 Calm 9.00 A Few Clouds FEW095 73.4 0 0% 29.99 1016.6
05 05:56 Calm 8.00 Fair CLR 71.6 0 0% 29.98 1015.8
05 04:56 SE 5 6.00 Partly Cloudy with Haze SCT120 71.6 0 0% 29.94 1014.5
05 03:56 Vrbl 3 8.00 Fair CLR 71.6 0 0% 29.96 1015.1
05 02:56 Calm 7.00 Fair CLR 71.6 0 0% 29.93 1014.2
05 01:56 SE 3 8.00 Fair CLR 71.6 0 75.9 71.1 0% 29.96 1015.4 0.04
05 00:56 Calm 9.00 A Few Clouds FEW100 71.6 0 0% 29.96 1015.3
04 23:56 Calm 9.00 Fair CLR 71.6 0 0% 29.97 1015.7
04 22:56 Calm 6.00 Partly Cloudy with Haze SCT110 71.6 0 0% 29.99 1016.3 0.04
04 21:56 S 5 10.00 Mostly Cloudy BKN110 75 72 90% 74 30.02 1017.4
04 20:56 W 5 10.00 A Few Clouds FEW100 75 75 100% 72 29.97 1015.8 0.04
04 19:56 N 3 4.00 Light Rain SCT110 73.4 0 100.9 70 0% 29.97 1015.8
04 18:56 NW 12 G 16 4.00 Thunderstorm Light Rain Fog/Mist FEW008 BKN055 BKN095 71.1 71.1 100% 29.94 1014.9 1.02
04 17:56 S 6 10.00 Partly Cloudy SCT080 97 70 42% 104 29.88 1012.4
04 16:56 SW 3 10.00 A Few Clouds FEW070 100.9 72 39% 111 29.92 1013.6
04 15:56 Vrbl 6 10.00 Fair CLR 97 69.1 40% 103 29.94 1014.2
04 14:56 S 5 10.00 Fair CLR 99 70 39% 106 29.96 1014.9
04 13:56 NW 6 10.00 Fair CLR 97 70 97 81 42% 104 29.98 1015.8
04 12:56 Vrbl 5 10.00 Fair CLR 95 69.1 43% 101 30.01 1016.6
04 11:56 NW 6 10.00 Fair CLR 93.9 69.1 44% 99 30.02 1016.9
04 10:56 NW 5 10.00 Fair CLR 91 71.1 52% 98 30.02 1017.1
04 09:56 W 6 10.00 Fair CLR 88 70 55% 93 30.03 1017.6
04 08:56 W 5 10.00 Fair CLR 84.9 70 61% 89 30.03 1017.6
04 07:56 W 7 10.00 Fair CLR 81 72 81 73.9 74% 85 30.02 1017.2
04 06:56 Calm 10.00 Fair CLR 75 75 100% 72 30.01 1016.9
04 05:56 Calm 10.00 Fair CLR 73.4 0 0% 30.01 1016.8
04 04:56 Calm 10.00 Fair CLR 77 77 100% 78 29.99 1016.3
04 03:56 Calm 10.00 Fair CLR 79 75.9 90% 83 30 1016.6
04 02:56 Calm 10.00 Fair CLR 79 78.1 97% 83 30.02 1016.9
04 01:56 Calm 10.00 Fair CLR 78.1 78.1 93.9 78.1 100% 81 30.02 1017.0
04 00:56 Calm 10.00 Fair CLR 80.1 79 97% 87 30.02 1017.3
03 23:56 Calm 10.00 Fair CLR 82 78.1 88% 91 30.03 1017.4
03 22:56 Calm 10.00 Fair CLR 84 77 80% 94 30.03 1017.3
03 21:56 Calm 10.00 Fair CLR 86 75 70% 95 30.01 1016.7
03 20:56 W 3 10.00 Fair CLR 89.1 75 63% 99 29.99 1016.2
03 19:56 Vrbl 6 10.00 Fair CLR 93.9 75 99 93.9 54% 106 29.98 1015.8
03 18:56 W 6 10.00 Fair CLR 97 75.9 51% 111 29.98 1015.9
03 17:56 W 7 10.00 A Few Clouds FEW060 97 73.9 48% 108 29.99 1016.2
03 16:56 W 9 10.00 A Few Clouds FEW060 97 75 49% 110 30.02 1017.0
03 15:56 W 9 G 18 10.00 Fair CLR 97 75 49% 110 30.04 1017.9
03 14:56 Vrbl 5 10.00 Fair CLR 98.1 73.9 46% 110 30.05 1017.9
03 13:56 SW 5 10.00 Fair CLR 97 73.9 98.1 82.9 48% 108 30.06 1018.6
03 12:56 W 6 10.00 Mostly Cloudy BKN049 BKN060 93.9 75.9 56% 107 30.09 1019.7
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)