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.
02 14:56 E 11 6.44 Overcast with Haze OVC004 11 0 0% 77.01 1028.1
02 13:56 Vrbl 9 9.66 Overcast with Haze OVC004 11 0 13.3 11.1 0% 77.04 1028.5
02 12:56 E 7 6.44 Overcast with Haze OVC004 12 0 0% 77.06 1028.7
02 11:56 Vrbl 7 9.66 Overcast with Haze OVC002 11 0 0% 77.04 1028.3
02 10:56 Calm 6.44 Overcast with Haze OVC002 11 0 0% 77.04 1028.3
02 09:56 NE 7 4.02 Fog/Mist OVC002 12 0 0% 76.99 1027.8
02 08:56 Vrbl 9 2.41 Fog/Mist OVC002 12 0 0% 76.94 1026.9
02 07:56 E 11 2.41 Fog/Mist OVC002 13 0 17.2 13.3 0% 76.86 1026.1
02 06:56 Vrbl 7 1.61 Fog/Mist OVC002 15 0 0% 76.78 1024.9
02 05:56 Vrbl 9 6.44 Overcast with Haze OVC006 16 0 0% 76.68 1023.4
02 04:56 E 9 16.09 Overcast OVC008 17 0 0% 76.63 1022.5
02 03:56 NE 7 11.27 Mostly Cloudy FEW008 BKN014 17 0 0% 76.63 1022.5
02 02:56 NE 7 14.48 Overcast OVC012 17 0 0% 76.63 1022.6
02 01:56 NE 7 16.09 Partly Cloudy SCT100 17 0 18.3 16.1 0% 76.61 1022.4 0.03
02 00:56 Calm 16.09 Mostly Cloudy BKN110 17 0 0% 76.58 1022.2
01 23:56 E 7 16.09 Fair CLR 17 0 0% 76.48 1020.7
01 22:56 E 6 16.09 Mostly Cloudy FEW047 BKN090 17 0 0% 76.45 1020.4 0.03 0.03
01 21:56 Vrbl 6 16.09 Thunderstorm in Vicinity SCT065 BKN080 BKN100 18 0 0% 76.5 1021.0
01 20:56 NE 7 16.09 Overcast OVC070 18 0 0% 76.43 1020.0
01 19:56 Calm 16.09 Mostly Cloudy BKN100 18 0 29.4 18.3 0% 76.38 1019.6 1.12
01 18:56 Calm 14.48 Thunderstorm Light Rain FEW055 SCT070 BKN100 19.4 19.4 100% 76.38 1019.3 0.48
01 17:56 N 15 G 52 3.22 Thunderstorm Heavy Rain Fog/Mist FEW019 BKN065 OVC080 20.6 18.3 87% 76.35 1018.9 0.64
01 16:56 SE 9 16.09 Overcast BKN075 OVC095 28.3 12.8 38% 28 76.28 1017.6
01 15:56 W 11 16.09 A Few Clouds FEW075 29.4 13.3 37% 29 76.3 1018.0
01 14:56 W 13 16.09 A Few Clouds FEW070 28.9 13.3 38% 28 76.35 1018.7
01 13:56 W 19 16.09 Mostly Cloudy BKN070 28.3 13.9 28.3 16.7 41% 28 76.4 1019.4
01 12:56 W 15 G 33 16.09 Overcast OVC060 27.2 13.9 44% 27 76.43 1019.9
01 11:56 SW 22 G 28 16.09 A Few Clouds FEW050 27.8 14.4 44% 28 76.45 1019.9
01 10:56 SW 11 16.09 Fair CLR 25.6 13.9 48% 26 76.45 1020.1
01 09:56 S 13 16.09 Fair CLR 23.3 14.4 57% 76.4 1019.6
01 08:56 S 9 16.09 Mostly Cloudy BKN065 20.6 13.9 66% 76.43 1019.8
01 07:56 Calm 16.09 Fair CLR 16.7 14.4 22.2 16.7 86% 76.38 1019.5
01 06:56 SW 6 16.09 Fair CLR 17.8 13.9 78% 76.3 1018.5
01 05:56 Calm 16.09 Fair CLR 18.3 13.3 73% 76.25 1017.7
01 04:56 SW 9 16.09 Fair CLR 20 12.8 63% 76.23 1016.9
01 03:56 SW 13 16.09 Partly Cloudy SCT075 21.1 12.8 59% 76.17 1016.4
01 02:56 SW 15 16.09 Fair CLR 21.7 12.8 57% 76.17 1016.5
01 01:56 SW 13 G 28 16.09 Fair CLR 22.2 12.2 25.6 21.7 53% 76.17 1016.5
01 00:56 SW 19 G 35 16.09 Fair CLR 22.2 12.2 53% 76.17 1016.4
31 23:56 SW 17 G 31 16.09 Fair CLR 22.8 12.2 51% 76.17 1016.3
31 22:56 SW 15 G 35 16.09 Fair CLR 23.3 12.2 50% 76.12 1016.0
31 21:56 S 19 G 28 16.09 Fair CLR 24.4 12.2 47% 26 76.15 1016.1
31 20:56 S 17 G 31 16.09 Fair CLR 24.4 12.2 47% 26 76.15 1016.3
31 19:56 S 15 16.09 Fair CLR 25.6 12.2 28.3 25.6 43% 26 76.15 1016.1
31 18:56 SW 15 G 28 16.09 Mostly Cloudy BKN090 26.7 12.2 41% 27 76.12 1016.0
31 17:56 SW 17 G 30 16.09 Mostly Cloudy BKN070 BKN090 27.8 12.8 40% 27 76.1 1015.7
31 16:56 SW 19 G 30 16.09 A Few Clouds FEW070 27.2 12.8 41% 27 76.15 1016.2
31 15:56 S 19 G 30 16.09 Mostly Cloudy BKN065 27.2 12.8 41% 27 76.2 1016.8
31 14:56 SW 20 G 31 16.09 A Few Clouds FEW060 27.2 12.8 41% 27 76.28 1017.8
31 13:56 SW 22 G 35 16.09 Fair CLR 27.2 12.8 27.2 16.7 41% 27 76.35 1018.9
31 10:56 SW 24 G 31 16.09 Fair CLR 22.2 11.1 50% 76.5 1020.8
31 09:56 SW 19 G 28 16.09 Fair CLR 20 10.6 55% 76.53 1021.4
31 08:56 SW 13 16.09 Fair CLR 17.8 10.6 63% 76.56 1021.8
31 07:56 SW 11 16.09 Fair CLR 16.7 10 17.8 15.6 65% 76.56 1022.0
31 06:56 Vrbl 6 16.09 Fair CLR 15.6 10 70% 76.56 1021.7
31 05:56 SW 13 16.09 Fair CLR 16.1 10 67% 76.5 1021.2
31 04:56 SW 15 G 26 16.09 Fair CLR 16.1 10 67% 76.45 1020.4
31 03:56 SW 11 16.09 Fair CLR 16.7 10 65% 76.45 1020.5
31 02:56 SW 11 G 28 16.09 Fair CLR 17.2 10 63% 76.48 1020.6
31 01:56 SW 17 G 30 16.09 Fair CLR 17.8 10 18.9 17.8 60% 76.5 1021.2
31 00:56 SW 22 G 35 16.09 Fair CLR 17.8 10 60% 76.53 1021.5
30 23:56 SW 11 G 26 16.09 Fair CLR 18.3 10.6 61% 76.56 1022.0
30 22:56 SW 15 16.09 Fair CLR 18.3 10.6 61% 76.61 1022.6
30 21:56 SW 13 G 26 16.09 Fair CLR 18.3 10.6 61% 76.63 1022.8
30 20:56 SW 17 G 28 16.09 A Few Clouds FEW120 18.3 10.6 61% 76.61 1022.4
30 19:56 SW 17 G 33 16.09 Fair CLR 18.9 10.6 21.1 17.2 59% 76.58 1022.3
30 18:56 SW 17 G 31 16.09 Partly Cloudy SCT100 20 10.6 55% 76.58 1022.4
30 17:56 SW 22 G 31 16.09 Partly Cloudy SCT100 20 10.6 55% 76.58 1022.2
30 16:56 SW 20 G 30 16.09 Mostly Cloudy SCT080 BKN110 21.1 10 49% 76.58 1022.3
30 15:56 SW 19 G 33 16.09 A Few Clouds FEW100 20.6 10 51% 76.63 1023.0
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)