National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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.
05 05:56 Calm 10.00 Fair CLR 69.8 0 0% 29.88 1012.6
05 04:56 Calm 4.00 Fair with Haze CLR 68 0 0% 29.88 1012.7
05 03:56 Calm 10.00 Fair CLR 69.8 0 0% 29.88 1012.8
05 02:56 Calm 10.00 Fair CLR 69.8 0 0% 29.89 1013.0
05 00:56 Calm 10.00 Fair CLR 71.6 0 0% 29.93 1014.1
04 23:56 Calm 10.00 Fair CLR 73 73 100% 29.93 1014.3
04 22:56 Calm 10.00 Fair CLR 73.9 73.9 100% 29.93 1014.4
04 20:56 Calm 10.00 Fair CLR 75 75 100% 72 29.91 1013.5
04 19:56 W 3 10.00 Fair CLR 77 75 87.1 77 94% 78 29.9 1013.6
04 18:56 W 6 10.00 Fair CLR 79 77 94% 83 29.91 1013.9
04 17:56 Calm 10.00 Fair CLR 82 75 79% 89 29.92 1013.9
04 16:56 Calm 10.00 Light Rain FEW075 SCT110 79 73.9 85% 83 29.93 1014.6
04 15:56 Vrbl 3 10.00 A Few Clouds FEW040 84 72 67% 90 29.94 1014.8
04 14:56 Vrbl 6 10.00 Fair CLR 86 73 65% 93 29.94 1014.7
04 13:56 Vrbl 5 G 16 10.00 Fair CLR 84.9 71.1 86 71.1 63% 90 29.97 1015.5
04 12:56 Vrbl 7 10.00 Fair CLR 84.9 72 65% 91 29.98 1015.9
04 11:56 Calm 10.00 Fair CLR 82.9 72 70% 88 29.99 1016.4
04 10:56 Calm 10.00 Fair CLR 81 71.1 72% 85 30 1016.6
04 09:56 NW 10 10.00 Fair CLR 79 71.1 77% 82 29.99 1016.5
04 08:56 W 6 10.00 Fair CLR 75 73 94% 73 30 1016.7
04 07:56 Calm 10.00 Fair CLR 70 70 71.1 69.1 100% 29.99 1016.3 0.01
04 06:56 Calm 10.00 Mostly Cloudy SCT055 BKN100 69.8 0 0% 29.98 1016.1
04 05:56 Vrbl 3 10.00 A Few Clouds FEW060 69.8 0 0% 29.97 1015.6
04 04:56 W 3 10.00 Fair CLR 69.8 0 0% 29.95 1015.1 0.01
04 03:56 Calm 10.00 Fair CLR 69.8 0 0% 29.95 1015.1
04 02:56 NW 3 10.00 Fair CLR 69.8 0 0% 29.95 1014.9 0.01
04 01:56 NW 3 10.00 Partly Cloudy SCT005 69.8 0 84.9 69.1 0% 29.94 1014.6 0.01 0.21
04 00:56 Vrbl 5 10.00 Light Rain FEW110 72 72 100% 29.97 1015.8 0.01
03 23:56 W 13 G 21 6.00 Thunderstorm Rain Fog/Mist FEW020 SCT055 BKN065 72 72 100% 30.04 1018.0 0.19
03 22:56 Vrbl 5 G 16 10.00 Thunderstorm in Vicinity FEW028 SCT035 BKN095 80.1 73.9 82% 85 29.99 1016.3
03 21:56 Calm 10.00 Fair CLR 82.9 78.1 85% 93 29.97 1015.8
03 20:56 SW 3 10.00 Fair CLR 84 77 80% 94 29.97 1015.5
03 19:56 SW 5 8.00 Fair CLR 84 75 91 82.9 74% 92 29.99 1016.2
03 18:56 W 5 10.00 Fair CLR 86 73.9 67% 94 29.96 1015.3
03 17:56 W 8 10.00 Fair CLR 90 75 62% 100 29.95 1015.2
03 16:56 W 9 10.00 Fair CLR 90 73 58% 98 29.96 1015.3
03 15:56 W 9 10.00 Fair CLR 88 73.9 63% 97 29.98 1016.1
03 14:56 W 6 10.00 Fair CLR 84 73 70% 90 30.01 1017.0
03 13:56 NW 6 10.00 Fair CLR 82.9 71.1 82.9 73 67% 88 30.02 1017.4 0.01
03 12:56 W 9 10.00 Fair CLR 81 73 77% 86 30.06 1018.7
03 11:56 W 6 10.00 Light Rain FEW070 BKN100 75 75 100% 72 30.08 1019.6 0.01
03 10:56 W 5 10.00 Light Rain OVC010 75.9 75.9 100% 75 30.08 1019.4
03 09:56 Vrbl 3 10.00 Overcast OVC008 75.9 75.9 100% 75 30.06 1018.9
03 08:56 SE 5 7.00 Mostly Cloudy BKN004 73.4 0 0% 30.07 1019.3
03 07:56 Calm 6.00 Overcast with Haze OVC004 73.4 0 73 70 0% 30.1 1020.1
03 06:56 Calm 4.00 Overcast with Haze OVC004 71.6 0 0% 30.1 1020.3
03 05:56 Calm 5.00 Overcast with Haze OVC006 71.6 0 0% 30.06 1018.8
03 04:56 Calm 6.00 Mostly Cloudy with Haze SCT004 BKN065 71.6 0 0% 30.06 1018.8
03 03:56 Calm 7.00 Overcast OVC004 71.6 0 0% 30.06 1018.8
03 02:56 SE 8 8.00 Mostly Cloudy BKN004 BKN060 BKN070 71.6 0 0% 30.04 1018.2
03 01:56 SE 7 10.00 Partly Cloudy SCT060 69.8 0 73 70 0% 30.05 1018.5
03 00:56 Calm 10.00 A Few Clouds FEW060 69.8 0 0% 30.06 1018.6
02 23:56 Calm 10.00 Partly Cloudy SCT075 71.6 0 0% 30.08 1019.4
02 22:56 Calm 10.00 Overcast OVC070 71.6 0 0% 30.07 1019.1
02 21:56 Calm 10.00 Partly Cloudy SCT070 71.6 0 0% 30.07 1019.1
02 20:56 SE 6 10.00 Fair CLR 71.6 0 0% 30.06 1018.9
02 19:56 Calm 10.00 Fair CLR 73.4 0 78.1 71.1 0% 30.07 1019.1 0.01
02 18:56 SE 3 10.00 Fair CLR 73.9 73.9 100% 30.07 1019.2
02 17:56 SE 5 10.00 Mostly Cloudy BKN090 78.1 73 85% 81 30.08 1019.5
02 16:56 Calm 10.00 Fair CLR 71.6 0 0% 30.09 1020.0 0.01
02 15:56 SW 3 10.00 Fair CLR 75 75 100% 72 30.1 1020.1
02 14:56 Calm 10.00 Fair CLR 73.9 73.9 100% 30.09 1019.8 0.01
02 13:56 Vrbl 3 1.00 Thunderstorm Heavy Rain FEW027 BKN060 OVC070 71.6 0 89.1 71.1 0% 30.13 1021.2 0.38 0.38
02 12:56 Calm 10.00 Partly Cloudy SCT110 87.1 75.9 70% 98 30.13 1021.0
02 11:56 E 5 10.00 Fair CLR 87.1 75 67% 97 30.11 1020.4
02 10:56 Vrbl 3 10.00 Fair CLR 86 73.9 67% 94 30.1 1020.0
02 09:56 Calm 10.00 Fair CLR 82.9 73 72% 89 30.11 1020.3
02 08:56 SE 5 10.00 Fair CLR 79 73 82% 82 30.09 1019.9
02 07:56 Calm 10.00 Fair CLR 73 73 75.9 71.1 100% 30.08 1019.6
02 06:56 Calm 10.00 Partly Cloudy SCT120 72 72 100% 30.08 1019.6
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)