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.
16 06:56 Vrbl 11 11.27 Overcast OVC002 16.7 16.7 100% 76.1 1015.8
16 05:56 S 13 4.83 Fog/Mist OVC002 16 0 0% 76.12 1016.2
16 04:56 S 11 2.41 Fog/Mist OVC002 16 0 0% 76.15 1016.4
16 03:56 S 9 2.41 Fog/Mist OVC002 15.6 15.6 100% 76.25 1017.8
16 02:56 SE 7 4.02 Fog/Mist OVC004 15.6 15.6 100% 76.33 1018.9
16 01:56 SE 9 14.48 Overcast OVC004 15 0 15 14.4 0% 76.38 1019.4 0.1
16 00:56 SE 9 8.05 Fog/Mist OVC004 15 15 100% 76.43 1020.1 0.08
15 23:56 SE 7 6.44 Light Rain OVC004 14 0 0% 76.45 1020.7
15 22:56 Calm 9.66 Overcast with Haze SCT004 OVC014 14 0 0% 76.53 1021.7 0.03 0.03
15 21:56 Calm 9.66 Light Rain BKN004 OVC018 14 0 0% 76.56 1022.1
15 20:56 Calm 12.87 Overcast OVC023 14.4 14.4 100% 76.61 1022.6
15 19:56 Calm 16.09 Overcast SCT004 OVC025 14.4 14.4 16.7 13.9 100% 76.63 1023.0 0.03 0.25
15 18:56 Calm 16.09 Light Rain FEW004 OVC029 14 0 0% 76.63 1022.8
15 17:56 Calm 16.09 Overcast OVC037 14.4 14.4 100% 76.63 1023.0 0.18
15 16:56 Vrbl 6 16.09 Light Rain BKN029 OVC048 14.4 14.4 100% 76.63 1022.9 0.05 0.05
15 15:56 Calm 16.09 Overcast SCT030 BKN040 OVC055 16.1 12.8 81% 76.66 1023.1
15 14:56 Calm 16.09 Overcast SCT030 BKN043 OVC055 16.1 12.2 78% 76.68 1023.5
15 13:56 Vrbl 9 16.09 Overcast OVC060 16.1 12.8 18.3 16.1 81% 76.71 1023.8
15 12:56 SE 6 16.09 Light Rain OVC060 16.7 12.8 78% 76.76 1024.4
15 11:56 Calm 16.09 Overcast OVC075 17.2 12.2 73% 76.76 1024.4
15 10:56 Vrbl 6 16.09 Overcast OVC085 17.2 12.2 73% 76.78 1024.7
15 09:56 Vrbl 6 16.09 Mostly Cloudy BKN021 18.3 12.8 70% 76.76 1024.5
15 08:56 Calm 16.09 Overcast OVC080 16.7 12.8 78% 76.73 1024.0
15 07:56 Vrbl 6 16.09 Overcast OVC080 16.1 12.8 20.6 16.1 81% 76.66 1023.2
15 06:56 Vrbl 7 16.09 Mostly Cloudy BKN075 16.7 13.3 80% 76.61 1022.4
15 05:56 Vrbl 7 16.09 Fair CLR 18.3 15.6 84% 76.53 1021.2
15 04:56 Vrbl 6 16.09 Fair CLR 18.9 17.8 93% 76.48 1020.4
15 03:56 Calm 16.09 Mostly Cloudy BKN110 20 17.8 87% 76.4 1019.5
15 02:56 Vrbl 6 16.09 A Few Clouds FEW060 20 20 100% 76.35 1018.9
15 01:56 Calm 16.09 Fair CLR 21 0 23.9 20.6 0% 76.3 1018.2 0.03
15 00:56 Calm 16.09 Fair CLR 21.1 21.1 100% 76.3 1018.1
14 23:56 Calm 16.09 Light Rain FEW075 22.2 22.2 100% 76.28 1017.9
14 22:56 Calm 16.09 Mostly Cloudy BKN048 23.3 22.2 94% 76.28 1017.7 0.03 0.03
14 21:56 Calm 16.09 A Few Clouds FEW060 22.8 22.8 100% 76.2 1016.8
14 20:56 Calm 16.09 Fair CLR 22.2 22.2 100% 76.15 1016.3
14 19:56 Calm 16.09 Partly Cloudy SCT055 22.8 22.2 31.1 22.2 96% 76.12 1015.9
14 18:56 Calm 16.09 A Few Clouds FEW055 24.4 20.6 79% 25 76.1 1015.4
14 17:56 Calm 16.09 Fair CLR 28.9 19.4 57% 30 76.05 1014.9
14 16:56 W 6 16.09 Partly Cloudy SCT060 30.6 19.4 51% 32 76.02 1014.4
14 15:56 W 6 16.09 Fair CLR 30.6 20 53% 33 76.02 1014.2
14 14:56 Vrbl 7 16.09 Fair CLR 28.9 20 59% 31 76.05 1014.8
14 13:56 W 9 16.09 Fair CLR 27.2 19.4 28.9 17.8 62% 29 76.1 1015.5
14 12:56 W 17 16.09 Fair CLR 27.8 18.9 58% 29 76.15 1016.3
14 11:56 W 11 16.09 Fair CLR 27.8 18.9 58% 29 76.15 1016.3
14 10:56 W 20 G 26 16.09 Fair CLR 28.9 18.3 53% 30 76.17 1016.3
14 09:56 W 9 16.09 Fair CLR 25 18.3 66% 26 76.17 1016.6
14 08:56 Calm 16.09 Fair CLR 21.1 17.8 82% 76.15 1016.3
14 07:56 Calm 16.09 Fair CLR 17.8 17.8 17.8 16.1 100% 76.12 1016.0
14 06:56 NW 6 16.09 Fair CLR 16 0 0% 76.1 1015.6
14 05:56 Calm 16.09 Fair CLR 16.7 16.7 100% 76.1 1015.5
14 04:56 Calm 16.09 Fair CLR 16.7 16.7 100% 76.05 1014.8
14 03:56 Calm 16.09 Fair CLR 16.7 16.7 100% 76.02 1014.3
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
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)