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.
14 02:56 Calm 16.09 Fair CLR 17 0 0% 76.05 1014.7
14 01:56 Calm 16.09 Fair CLR 17.2 17.2 23.9 17.2 100% 76.05 1015.0
14 00:56 Calm 16.09 Fair CLR 17.2 17.2 100% 76.07 1015.3
13 23:56 Calm 16.09 Fair CLR 17.8 17.8 100% 76.1 1015.6
13 22:56 Calm 16.09 Fair CLR 20.6 16.7 78% 76.1 1015.4
13 21:56 SW 6 16.09 Fair CLR 21.7 16.1 71% 76.1 1015.5
13 20:56 SW 7 16.09 Fair CLR 23.3 16.1 64% 76.1 1015.4
13 19:56 S 7 16.09 Fair CLR 23.9 16.1 28.9 23.9 62% 25 76.07 1015.5
13 18:56 S 9 16.09 Fair CLR 24.4 15.6 58% 26 76.07 1015.1
13 17:56 S 9 16.09 Fair CLR 26.7 15.6 51% 27 76.05 1015.0
13 16:56 S 13 16.09 Fair CLR 27.8 15.6 47% 28 76.05 1014.9
13 15:56 S 13 G 30 16.09 Fair CLR 28.3 15 44% 28 76.05 1014.9
13 14:56 S 17 16.09 Fair CLR 28.9 15.6 44% 29 76.1 1015.5
13 13:56 SW 11 16.09 Fair CLR 27.8 15.6 28.3 11.7 47% 28 76.15 1016.4
13 12:56 SW 13 16.09 Fair CLR 27.2 15.6 49% 28 76.23 1017.2
13 11:56 Vrbl 11 16.09 Fair CLR 26.1 15 50% 27 76.28 1017.7
13 10:56 S 7 16.09 Fair CLR 24.4 13.9 52% 26 76.28 1018.0
13 09:56 Calm 16.09 Fair CLR 21.7 15 66% 76.3 1018.5
13 08:56 Calm 16.09 Fair CLR 16.7 14.4 86% 76.3 1018.4
13 07:56 Calm 9.66 Fog/Mist CLR 11.7 11.7 13.9 11.1 100% 76.28 1018.0
13 06:56 Calm 3.22 Fog/Mist CLR 11.7 11.7 100% 76.25 1017.8
13 05:56 Calm 16.09 Fair CLR 11.7 11.7 100% 76.23 1017.4
13 04:56 Calm 14.48 Fair CLR 11.7 11.7 100% 76.17 1016.8
13 03:56 Calm 4.02 Fog/Mist CLR 12.2 12.2 100% 76.15 1016.4
13 02:56 W 6 16.09 Fair CLR 12.8 12.8 100% 76.15 1016.6
13 01:56 NW 6 16.09 Fair CLR 13.9 13.9 17.2 13.9 100% 76.15 1016.4
13 00:56 W 7 16.09 Fair CLR 15 15 100% 76.17 1016.5
12 23:56 W 7 16.09 Fair CLR 15 15 100% 76.17 1016.6
12 22:56 W 9 16.09 Fair CLR 14 0 0% 76.15 1016.5
12 21:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.1 1016.0
12 20:56 NW 6 16.09 Fair CLR 15.6 15.6 100% 76.1 1015.7
12 19:56 Calm 16.09 Fair CLR 17.2 16.1 22.8 17.2 93% 76.07 1015.5
12 18:56 NW 6 12.87 Fair CLR 18.3 16.1 87% 76.02 1014.9
12 17:56 NW 19 16.09 Fair CLR 21.1 15 68% 76.02 1014.8
12 16:56 NW 13 16.09 Mostly Cloudy BKN036 22.2 15.6 66% 76.02 1014.5
12 15:56 Vrbl 11 16.09 Overcast OVC036 22.8 16.1 66% 76 1014.3
12 14:56 NW 22 16.09 Mostly Cloudy BKN030 22.8 16.1 66% 76.02 1014.6
12 13:56 NW 17 16.09 Overcast OVC030 22.2 16.1 22.8 13.9 68% 76.05 1014.9
12 12:56 Vrbl 11 16.09 Mostly Cloudy BKN030 22.8 16.1 66% 76.07 1015.2
12 11:56 NW 19 G 31 16.09 Mostly Cloudy BKN026 21.1 16.1 73% 76.05 1015.1
12 10:56 NW 13 16.09 Mostly Cloudy BKN022 18.9 16.1 84% 76.02 1014.6
12 09:56 NW 11 16.09 Overcast OVC025 16.1 16.1 100% 76 1014.5
12 08:56 NW 9 16.09 Overcast FEW005 SCT025 OVC032 15 15 100% 75.95 1013.8
12 06:56 Vrbl 6 16.09 Overcast BKN008 OVC055 13.9 13.9 100% 75.82 1012.1
12 05:56 Vrbl 9 16.09 Overcast BKN010 OVC055 14.4 14.4 100% 75.74 1011.1
12 04:56 Vrbl 7 16.09 Light Rain OVC007 14.4 14.4 100% 75.67 1010.2 0.15 0.2
12 03:56 NW 11 6.44 Light Rain Fog/Mist OVC005 14.4 14.4 100% 75.59 1009.1 0.05
12 02:56 Calm 9.66 Fog/Mist OVC007 14.4 14.4 100% 75.57 1008.8
12 01:56 Vrbl 6 16.09 Overcast OVC007 15 0 17.2 15 0% 75.59 1008.9 0.36
12 00:56 Calm 16.09 Overcast OVC007 15.6 15.6 100% 75.57 1008.7
11 23:56 Calm 16.09 Overcast OVC005 15.6 15.6 100% 75.64 1009.6 0.05
11 22:56 Calm 8.05 Light Rain Fog/Mist OVC005 17.2 17.2 100% 75.69 1010.3 0.3 0.3
11 21:56 Calm 16.09 Overcast OVC003 17.2 17.2 100% 75.69 1010.3
11 20:56 Vrbl 6 12.87 Overcast OVC003 17.2 17.2 100% 75.72 1010.8
11 19:56 Calm 6.44 Light Rain Fog/Mist OVC005 16.1 16.1 17.8 16.1 100% 75.77 1011.2 0.03 0.36
11 18:56 Calm 16.09 Light Rain OVC005 16.1 16.1 100% 75.82 1012.0 0.03
11 17:56 Calm 11.27 Light Rain OVC005 16.7 16.7 100% 75.84 1012.5 0.08
11 16:56 Vrbl 6 4.02 Light Rain Fog/Mist OVC005 17.8 17.8 100% 75.92 1013.3 0.05 0.23
11 15:56 Vrbl 6 2.82 Light Rain Fog/Mist OVC005 17.8 17.8 100% 75.97 1014.0 0.05
11 14:56 Vrbl 7 4.83 Light Rain Fog/Mist OVC005 16.7 16.7 100% 76.02 1014.8 0.13
11 13:56 Vrbl 7 4.02 Light Rain Fog/Mist BKN005 OVC022 16.1 16.1 16.1 15.6 100% 76.12 1016.1 0.43 3.61
11 12:56 Vrbl 7 8.05 Light Rain Fog/Mist OVC005 16.1 16.1 100% 76.25 1017.7 0.08
11 11:56 Vrbl 11 4.83 Light Rain Fog/Mist OVC007 15.6 15.6 100% 76.35 1019.3 0.48
11 10:56 Vrbl 11 4.02 Rain Fog/Mist BKN007 OVC010 15.6 15.6 100% 76.48 1020.8 1.24 2.62
11 09:56 Calm 3.22 Heavy Rain Fog/Mist OVC007 15.6 15.6 100% 76.61 1022.5 0.97
11 08:56 Vrbl 6 4.83 Heavy Rain Fog/Mist OVC007 15.6 15.6 100% 76.61 1022.5 0.41
11 06:56 Vrbl 11 6.44 Heavy Rain Fog/Mist OVC007 15 15 100% 76.71 1023.9 0.58
11 05:56 Vrbl 7 6.44 Rain BKN007 OVC014 14 0 0% 76.76 1024.5 0.51
11 04:56 Vrbl 6 8.05 Rain SCT022 BKN028 OVC050 14 0 0% 76.78 1025.1 0.41 0.61
11 03:56 Calm 16.09 Rain BKN027 BKN033 OVC055 15 15 100% 76.86 1026.0 0.2
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)