Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (est) 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.
18 09:56 Calm 8.05 Mostly Cloudy with Haze BKN003 3 0 0% 75.84 1013.0
18 08:56 Calm 8.05 Fair with Haze CLR 2 0 0% 75.92 1013.8
18 07:56 Calm 4.02 Fog/Mist BKN002 2 0 0% 75.95 1014.4
18 06:56 Calm 2.41 Fog/Mist OVC002 2 0 3.3 1.7 0% 75.97 1014.5
18 05:56 Calm 3.22 Fog/Mist OVC002 2 0 0% 76.02 1015.2
18 04:56 Calm 2.01 Fog/Mist OVC002 2 0 0% 76.05 1015.7
18 03:56 E 7 2.01 Fog/Mist OVC002 2 0 0% 0 76.07 1015.8
18 02:56 Calm 4.83 Fog/Mist CLR 2 0 0% 76.2 1017.5
18 01:56 Calm 4.83 Fog/Mist CLR 3 0 0% 76.23 1018.2
18 00:56 Calm 6.44 Fair with Haze CLR 3 0 5.6 2.8 0% 76.28 1018.8
17 23:56 Calm 8.05 Fair with Haze CLR 3 0 0% 76.35 1019.6
17 22:56 Calm 8.05 Fair with Haze CLR 3 0 0% 76.35 1019.8
17 21:56 Calm 11.27 Fair CLR 3 0 0% 76.43 1020.6
17 20:56 Calm 14.48 Fair CLR 3.9 3.9 100% 76.45 1021.1
17 19:56 SE 6 14.48 Fair CLR 3.9 3.9 100% 76.48 1021.3
17 18:56 SE 7 16.09 Fair CLR 6.1 5 10.6 5.6 93% 5 76.5 1021.6
17 17:56 SE 13 16.09 Fair CLR 7.2 4.4 83% 5 76.48 1021.4
17 16:56 SE 7 16.09 Fair CLR 9.4 3.9 69% 9 76.48 1021.2
17 15:56 SE 6 16.09 Fair CLR 9.4 3.9 69% 76.45 1021.0
17 14:56 Vrbl 6 16.09 Fair CLR 9.4 3.9 69% 76.45 1021.2
17 13:56 W 7 16.09 Fair CLR 8.3 4.4 77% 7 76.48 1021.6
17 12:56 Calm 12.87 Mostly Cloudy BKN006 6.1 5 6.1 1.7 93% 76.56 1022.2
17 11:56 SW 7 8.05 Overcast with Haze OVC004 4 0 0% 2 76.61 1023.2
17 10:56 Calm 2.41 Fog/Mist OVC002 3 0 0% 76.63 1023.8
17 09:56 S 7 0.40 Fog OVC002 3 0 0% 1 76.63 1023.8
17 08:56 S 9 0.40 Fog OVC002 2 0 0% -0 76.68 1024.2
17 07:56 S 9 0.40 Fog OVC002 2 0 0% -0 76.66 1023.8
17 06:56 SW 7 0.40 Fog OVC002 2 0 1.7 0 0% 0 76.66 1024.0
17 05:56 S 6 0.80 Fog OVC002 2 0 0% 76.63 1023.6
17 04:56 S 7 2.41 Fog/Mist OVC002 2 0 0% 0 76.61 1023.2
17 03:56 S 6 2.01 Fog/Mist OVC002 2 0 0% 76.61 1023.2
17 02:56 S 9 4.02 Fog/Mist OVC004 1 0 0% -2 76.63 1023.5
17 01:56 SE 11 4.83 Fog/Mist OVC004 1 0 0% -2 76.66 1023.8
17 00:56 SE 6 4.02 Fog/Mist OVC014 0 0 1.1 -2.2 0% 76.68 1024.2
16 23:56 Calm 2.41 Fog/Mist BKN012 OVC017 -2 0 0% 76.68 1024.4
16 22:56 Calm 2.82 Fog/Mist CLR -1.7 -1.7 100% 76.66 1024.0
16 21:56 SE 6 4.02 Fog/Mist CLR -1.1 -1.1 100% 76.68 1024.3
16 20:56 Calm 4.83 Fog/Mist CLR -1 0 0% 76.66 1024.1
16 19:56 Calm 9.66 Fair with Haze CLR 1 0 0% 76.63 1023.8
16 18:56 E 6 14.48 Fair CLR 2 0 6.1 1.7 0% 76.66 1023.8
16 17:56 Calm 16.09 Fair CLR 3.3 2.8 97% 76.63 1023.6
16 16:56 Calm 16.09 Overcast OVC016 5 2.8 86% 76.61 1023.0
16 15:56 Calm 16.09 Overcast OVC016 5 2.2 82% 76.58 1022.7
16 14:56 Calm 16.09 Overcast OVC014 5 2.2 82% 76.56 1022.5
16 13:56 NW 6 16.09 Overcast OVC012 4.4 2.8 89% 76.56 1022.4
16 12:56 Vrbl 6 16.09 Overcast OVC012 3.9 3.3 3.9 0.6 96% 76.56 1022.6
16 11:56 Calm 9.66 Fog/Mist OVC008 2.8 2.8 100% 76.61 1023.1
16 10:56 NW 9 8.05 Overcast with Haze OVC006 2 0 0% -0 76.58 1022.8
16 09:56 NW 7 6.44 Overcast with Haze OVC006 2 0 0% 0 76.53 1022.2
16 08:56 N 6 6.44 Overcast with Haze OVC006 2 0 0% 76.5 1021.7
16 07:56 Calm 3.22 Fog/Mist OVC004 1 0 0% 76.45 1021.2
16 06:56 Vrbl 6 4.02 Fog/Mist OVC004 1 0 1.7 0.6 0% 76.38 1020.2
16 05:56 Vrbl 7 4.02 Fog/Mist OVC004 1 0 0% -1 76.28 1018.7
16 04:56 Calm 4.02 Fog/Mist OVC004 1 0 0% 76.23 1018.1
16 03:56 Vrbl 9 4.83 Fog/Mist OVC004 1 0 0% -2 76.17 1017.4
16 02:56 N 11 4.02 Fog/Mist OVC004 2 0 0% -1 76.12 1016.6
16 01:56 N 7 4.83 Fog/Mist OVC004 2 0 0% 0 76.07 1016.1
16 00:56 NE 7 4.83 Fog/Mist OVC004 2 0 3.3 1.7 0% 0 76.02 1015.5 0.64
15 23:56 Calm 4.83 Unknown Precip OVC004 2 0 0% 76.07 1016.0 0.1
15 22:56 Vrbl 7 3.22 Light Rain OVC004 2 0 0% 0 76.12 1016.6 0.08
15 21:56 NE 6 3.22 Light Rain OVC004 2 0 0% 76.07 1015.9 0.13 0.46
15 20:56 Calm 4.02 Light Rain OVC004 2 0 0% 76.07 1016.1 0.15
15 19:56 Calm 3.22 Light Rain OVC004 3 0 0% 76.07 1016.1 0.18
15 18:56 Vrbl 6 4.02 Light Rain SCT004 BKN025 OVC044 3 0 8.3 2.8 0% 76.07 1016.1 0.18 0.64
15 17:56 E 6 3.22 Light Rain OVC004 3 0 0% 76.07 1015.9 0.1
15 16:56 E 9 2.41 Light Rain FEW005 BKN015 OVC038 3 0 0% 1 76.05 1015.7 0.18
15 15:56 E 6 4.83 Light Rain BKN020 OVC027 4 0 0% 76.1 1016.4 0.13 0.18
15 14:56 Calm 8.05 Light Rain Fog/Mist BKN033 OVC041 5 5 100% 76.15 1016.8 0.05
15 13:56 SE 6 16.09 Light Rain SCT035 BKN044 OVC050 6.7 1.7 71% 76.2 1017.6
15 12:56 Calm 16.09 Light Rain BKN049 OVC060 7.8 -1.7 8.3 0.6 51% 76.23 1018.1
15 11:56 SE 7 16.09 Overcast OVC060 7.8 -2.2 50% 7 76.3 1018.9
15 10:56 Calm 16.09 Overcast OVC065 7.2 -2.8 49% 76.3 1019.1
Date Time (est) 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)