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.
04 21:56 S 7 16.09 Mostly Cloudy BKN110 23.9 22.2 90% 23 76.25 1017.4
04 20:56 W 7 16.09 A Few Clouds FEW100 23.9 23.9 100% 22 76.12 1015.8 0.1
04 19:56 N 6 6.44 Light Rain SCT110 23 0 38.3 21.1 0% 76.12 1015.8
04 18:56 NW 19 G 26 6.44 Thunderstorm Light Rain Fog/Mist FEW008 BKN055 BKN095 21.7 21.7 100% 76.05 1014.9 2.59
04 17:56 S 9 16.09 Partly Cloudy SCT080 36.1 21.1 42% 40 75.9 1012.4
04 16:56 SW 6 16.09 A Few Clouds FEW070 38.3 22.2 39% 44 76 1013.6
04 15:56 Vrbl 9 16.09 Fair CLR 36.1 20.6 40% 39 76.05 1014.2
04 14:56 S 7 16.09 Fair CLR 37.2 21.1 39% 41 76.1 1014.9
04 13:56 NW 9 16.09 Fair CLR 36.1 21.1 36.1 27.2 42% 40 76.15 1015.8
04 12:56 Vrbl 7 16.09 Fair CLR 35 20.6 43% 38 76.23 1016.6
04 11:56 NW 9 16.09 Fair CLR 34.4 20.6 44% 37 76.25 1016.9
04 10:56 NW 7 16.09 Fair CLR 32.8 21.7 52% 36 76.25 1017.1
04 09:56 W 9 16.09 Fair CLR 31.1 21.1 55% 34 76.28 1017.6
04 08:56 W 7 16.09 Fair CLR 29.4 21.1 61% 32 76.28 1017.6
04 07:56 W 11 16.09 Fair CLR 27.2 22.2 27.2 23.3 74% 30 76.25 1017.2
04 06:56 Calm 16.09 Fair CLR 23.9 23.9 100% 22 76.23 1016.9
04 05:56 Calm 16.09 Fair CLR 23 0 0% 76.23 1016.8
04 04:56 Calm 16.09 Fair CLR 25 25 100% 25 76.17 1016.3
04 03:56 Calm 16.09 Fair CLR 26.1 24.4 90% 28 76.2 1016.6
04 02:56 Calm 16.09 Fair CLR 26.1 25.6 97% 29 76.25 1016.9
04 01:56 Calm 16.09 Fair CLR 25.6 25.6 34.4 25.6 100% 27 76.25 1017.0
04 00:56 Calm 16.09 Fair CLR 26.7 26.1 97% 30 76.25 1017.3
03 23:56 Calm 16.09 Fair CLR 27.8 25.6 88% 33 76.28 1017.4
03 22:56 Calm 16.09 Fair CLR 28.9 25 80% 34 76.28 1017.3
03 21:56 Calm 16.09 Fair CLR 30 23.9 70% 35 76.23 1016.7
03 20:56 W 6 16.09 Fair CLR 31.7 23.9 63% 37 76.17 1016.2
03 19:56 Vrbl 9 16.09 Fair CLR 34.4 23.9 37.2 34.4 54% 41 76.15 1015.8
03 18:56 W 9 16.09 Fair CLR 36.1 24.4 51% 44 76.15 1015.9
03 17:56 W 11 16.09 A Few Clouds FEW060 36.1 23.3 48% 42 76.17 1016.2
03 16:56 W 15 16.09 A Few Clouds FEW060 36.1 23.9 49% 43 76.25 1017.0
03 15:56 W 15 G 30 16.09 Fair CLR 36.1 23.9 49% 43 76.3 1017.9
03 14:56 Vrbl 7 16.09 Fair CLR 36.7 23.3 46% 43 76.33 1017.9
03 13:56 SW 7 16.09 Fair CLR 36.1 23.3 36.7 28.3 48% 42 76.35 1018.6
03 12:56 W 9 16.09 Mostly Cloudy BKN049 BKN060 34.4 24.4 56% 42 76.43 1019.7
03 11:56 NW 6 16.09 A Few Clouds FEW050 34.4 25.6 60% 43 76.45 1019.7
03 10:56 NW 7 16.09 Fair CLR 33.3 25.6 64% 42 76.43 1019.5
03 09:56 NW 9 16.09 Fair CLR 32.2 25.6 68% 40 76.43 1019.4
03 08:56 NW 17 16.09 Fair CLR 30.6 25 72% 37 76.45 1019.8
03 07:56 W 9 16.09 Fair CLR 28.3 25 28.3 23.3 82% 33 76.45 1019.9
03 06:56 Calm 16.09 Fair CLR 25 25 100% 25 76.43 1019.7
03 05:56 Calm 14.48 Fair CLR 24 0 0% 76.43 1019.4
03 04:56 Calm 16.09 Fair CLR 24.4 24.4 100% 24 76.4 1019.0
03 03:56 Calm 16.09 Fair CLR 25 25 100% 25 76.35 1018.7
03 02:56 Calm 16.09 Fair CLR 25 25 100% 25 76.38 1018.7
03 01:56 Calm 16.09 Fair CLR 25.6 25.6 34.4 25.6 100% 27 76.38 1018.8
03 00:56 Calm 16.09 Fair CLR 25.6 25.6 100% 27 76.38 1018.9
02 23:56 Calm 16.09 Fair CLR 26.7 25.6 94% 30 76.38 1018.9
02 22:56 Calm 16.09 Fair CLR 27.2 25 88% 31 76.35 1018.4
02 21:56 Calm 16.09 Fair CLR 30.6 23.3 65% 35 76.3 1017.8
02 20:56 Calm 16.09 Fair CLR 31.1 23.3 63% 36 76.25 1017.3
02 19:56 W 9 16.09 Fair CLR 34.4 23.3 37.8 33.9 52% 40 76.28 1017.3
02 18:56 W 9 16.09 Fair CLR 36.1 23.3 48% 42 76.3 1017.8
02 17:56 W 11 16.09 Fair CLR 36.1 23.3 48% 42 76.3 1018.0
02 16:56 W 15 16.09 Fair CLR 37.2 23.9 46% 45 76.33 1018.1
02 15:56 W 9 16.09 Fair CLR 36.1 22.8 46% 42 76.35 1018.6
02 14:56 W 13 16.09 Fair CLR 36.7 23.9 48% 44 76.38 1018.9
02 13:56 SW 11 16.09 A Few Clouds FEW055 36.1 23.9 36.1 27.8 49% 43 76.43 1019.4
02 12:56 W 15 16.09 Partly Cloudy SCT042 35 25 56% 43 76.43 1019.6
02 11:56 NW 13 16.09 Fair CLR 33.9 25.6 62% 43 76.48 1020.2
02 10:56 Vrbl 9 16.09 Fair CLR 32.8 26.1 68% 42 76.48 1020.3
02 09:56 Calm 16.09 Fair CLR 32.2 25 66% 39 76.45 1020.0
02 08:56 NW 7 16.09 Fair CLR 30 25.6 77% 37 76.48 1020.2
02 07:56 Calm 16.09 Mostly Cloudy BKN060 27.2 27.2 27.2 23.3 100% 33 76.45 1019.8
02 06:56 Calm 16.09 Fair CLR 24 0 0% 76.4 1019.5
02 05:56 Calm 11.27 Fair CLR 24 0 0% 76.38 1019.2
02 04:56 Calm 16.09 Fair CLR 24 0 0% 76.33 1018.4
02 03:56 Calm 11.27 Fair CLR 24 0 0% 76.3 1018.1
02 01:56 Calm 16.09 Fair CLR 26.1 26.1 32.2 26.1 100% 29 76.3 1017.9
02 00:56 Calm 16.09 Fair CLR 27.2 26.7 97% 32 76.3 1018.0
01 23:56 Calm 16.09 A Few Clouds FEW070 27.2 26.1 94% 32 76.33 1018.4
01 22:56 Calm 16.09 Mostly Cloudy BKN060 27.8 24.4 82% 32 76.3 1018.1
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)