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.
09 11:56 Vrbl 5 4.00 Fair with Haze CLR 87.1 71.1 59% 93 30.08 1019.3
09 10:56 NW 7 10.00 Fair CLR 84 70 63% 88 30.08 1019.3
09 09:56 W 8 10.00 Fair CLR 82.9 73 72% 89 30.07 1019.2
09 08:56 W 10 10.00 Fair CLR 81 73 77% 86 30.07 1019.2
09 07:56 NW 3 10.00 Fair CLR 73.9 73.9 73.9 70 100% 30.07 1018.9
09 06:56 Calm 10.00 Fair CLR 71.6 0 0% 30.04 1018.1
09 05:56 Calm 9.00 Fair CLR 69.8 0 0% 30.04 1018.0
09 04:56 Calm 10.00 Fair CLR 71.6 0 0% 30.03 1017.7
09 03:56 Calm 10.00 Fair CLR 71.6 0 0% 30.02 1017.3
09 02:56 Calm 10.00 Fair CLR 71.6 0 0% 30.02 1017.4
09 01:56 Calm 10.00 Fair CLR 71.6 0 84 72 0% 30.03 1017.8
09 00:56 Calm 10.00 Fair CLR 73 73 100% 30.04 1017.9
08 23:56 Calm 10.00 Fair CLR 75 73 94% 73 30.04 1018.0
08 22:56 Calm 10.00 Mostly Cloudy SCT055 BKN070 75.9 72 88% 76 30.04 1018.2
08 21:56 Calm 10.00 Partly Cloudy SCT065 77 69.1 77% 79 30.04 1018.1
08 20:56 Calm 10.00 Fair CLR 81 69.1 67% 84 30.03 1017.6
08 19:56 S 5 10.00 Fair CLR 84 66.9 91 84 57% 87 30.02 1017.1
08 18:56 SW 5 10.00 A Few Clouds FEW038 89.1 73.9 61% 98 30 1016.7
08 17:56 SW 7 10.00 A Few Clouds FEW055 90 72 56% 97 30.01 1017.1
08 16:56 W 5 7.00 Partly Cloudy SCT050 90 72 56% 97 30.02 1017.4
08 15:56 SW 3 10.00 A Few Clouds FEW048 89.1 72 57% 96 30.04 1018.1
08 14:56 Vrbl 5 8.00 Fair CLR 91 73 56% 100 30.06 1018.7
08 13:56 NW 9 10.00 Fair CLR 84 73 88 73 70% 90 30.08 1019.3
08 12:56 Vrbl 5 10.00 Mostly Cloudy BKN049 BKN070 82.9 73 72% 89 30.11 1020.2
08 11:56 W 10 10.00 Mostly Cloudy SCT065 BKN090 86 71.1 61% 92 30.11 1020.5
08 10:56 Vrbl 5 10.00 Fair CLR 84.9 72 65% 91 30.1 1020.3
08 09:56 Vrbl 3 10.00 Fair CLR 81 71.1 72% 85 30.1 1020.0
08 08:56 Calm 10.00 Fair CLR 78.1 73.9 87% 81 30.11 1020.3
08 07:56 Calm 10.00 Fair CLR 73.4 0 73 70 0% 30.1 1020.3
08 06:56 Calm 6.00 Fair with Haze CLR 69.8 0 0% 30.1 1020.2
08 05:56 Calm 2.50 Fog/Mist CLR 69.8 0 0% 30.09 1019.7
08 04:56 Calm 6.00 Fair with Haze CLR 71.6 0 0% 30.08 1019.4
08 03:56 Calm 10.00 Fair CLR 71.6 0 0% 30.07 1019.1
08 02:56 Calm 10.00 Fair CLR 71.6 0 0% 30.06 1018.8
08 01:56 Calm 10.00 Fair CLR 73 73 77 72 100% 30.07 1019.2
08 00:56 Calm 10.00 Fair CLR 73.4 0 0% 30.09 1019.9
07 23:56 NW 3 8.00 Fair CLR 75 75 100% 72 30.1 1020.0
07 22:56 SW 5 10.00 Fair CLR 75.9 75.9 100% 75 30.12 1020.8
07 21:56 S 5 10.00 Fair CLR 77 77 100% 78 30.13 1020.9
07 20:56 Calm 10.00 Fair CLR 75.2 0 0% 30.11 1020.5
07 19:56 Calm 10.00 A Few Clouds FEW033 75.2 0 91.9 73.9 0% 30.1 1020.3 0.02
07 18:56 Calm 10.00 Thunderstorm in Vicinity Rain FEW033 SCT055 BKN110 77 75.9 96% 78 30.12 1020.8
07 16:56 W 9 10.00 Thunderstorm in Vicinity BKN046 BKN060 87.1 73.9 65% 95 30.08 1019.4
07 15:56 NW 6 10.00 Partly Cloudy SCT042 88 73 61% 96 30.09 1019.7
07 14:56 SW 8 8.00 Mostly Cloudy BKN044 91 73.9 57% 101 30.11 1020.3
07 13:56 Vrbl 7 10.00 Fair CLR 90 73.9 90 73 59% 99 30.13 1021.1
07 12:56 S 6 8.00 Fair CLR 90 73 58% 98 30.15 1021.9
07 11:56 W 5 10.00 Fair CLR 86 75 70% 95 30.16 1022.3
07 10:56 Calm 10.00 A Few Clouds FEW020 84 73.9 72% 91 30.17 1022.5
07 09:56 Vrbl 5 10.00 Fair CLR 81 73 77% 86 30.18 1022.6
07 08:56 W 3 10.00 Fair CLR 77 75.9 96% 78 30.19 1023.1
07 07:56 Calm 10.00 Fair CLR 73.4 0 73 69.1 0% 30.18 1022.8
07 06:56 Calm 7.00 Fair CLR 69.8 0 0% 30.17 1022.6
07 05:56 Calm 6.00 Fair with Haze CLR 69.8 0 0% 30.16 1022.2
07 04:56 Calm 6.00 Fair with Haze CLR 69.8 0 0% 30.16 1022.1
07 03:56 Calm 6.00 Fair with Haze CLR 69.8 0 0% 30.16 1022.1
07 02:56 Calm 8.00 Fair CLR 71.6 0 0% 30.16 1022.2
07 01:56 Calm 6.00 Fair with Haze CLR 71.6 0 77 71.1 0% 30.16 1022.3
07 00:56 Calm 9.00 Fair CLR 71.6 0 0% 30.18 1022.9
06 23:56 Calm 9.00 Partly Cloudy SCT085 73.4 0 0% 30.19 1023.1
06 22:56 Calm 8.00 Fair CLR 73.4 0 0% 30.19 1023.0
06 21:56 Calm 10.00 Fair CLR 73.4 0 0% 30.17 1022.4
06 20:56 W 9 10.00 Partly Cloudy SCT008 SCT050 SCT100 75.2 0 0% 30.16 1022.1
06 19:56 NW 6 10.00 Light Rain FEW050 SCT070 BKN110 75.2 0 91.9 75.9 0% 30.15 1021.7 0.19
06 18:56 Calm 10.00 A Few Clouds FEW080 78.1 78.1 100% 81 30.13 1021.3
06 17:56 Vrbl 3 10.00 A Few Clouds FEW100 79 79 100% 84 30.14 1021.5 0.05
06 16:56 Vrbl 5 10.00 Thunderstorm in Vicinity Light Rain FEW046 SCT060 BKN085 79 79 100% 84 30.12 1020.8 0.13 0.14
06 15:56 W 10 8.00 Thunderstorm Rain FEW065 SCT080 OVC100 80.1 79 97% 87 30.14 1021.5 0.01
06 14:56 SE 7 10.00 Partly Cloudy SCT042 91.9 73.9 56% 102 30.13 1021.1
06 13:56 Calm 8.00 Mostly Cloudy BKN041 88 73 91 77 61% 96 30.15 1021.5
06 12:56 W 7 3.00 A Few Clouds with Haze FEW035 88 75.9 68% 99 30.16 1022.1
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)