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.
30 07:56 Calm 16.09 Fair CLR 13.9 13.9 14.4 13.3 100% 76.58 1022.4
30 06:56 Calm 8.05 Fog/Mist CLR 13.3 13.3 100% 76.53 1021.7
30 05:56 Calm 6.44 Fog/Mist CLR 13.9 13.9 100% 76.5 1021.1
30 04:56 Calm 9.66 Fog/Mist BKN050 13.3 13.3 100% 76.5 1021.1
30 03:56 Calm 9.66 Fog/Mist SCT048 13.9 13.9 100% 76.48 1020.7
30 02:56 Calm 2.41 Fog/Mist CLR 14.4 14.4 100% 76.5 1020.9
30 01:56 Calm 2.82 Fog/Mist CLR 14.4 14.4 18.9 14.4 100% 76.48 1020.6
30 00:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.48 1020.7
29 23:56 Calm 16.09 Fair CLR 16 0 0% 76.48 1020.8
29 22:56 Calm 16.09 Partly Cloudy SCT055 17 0 0% 76.48 1020.7
29 21:56 Calm 16.09 Overcast OVC055 17.8 17.8 100% 76.48 1020.6
29 20:56 Calm 16.09 Overcast FEW036 OVC060 17.8 17.8 100% 76.43 1020.1
29 19:56 Calm 16.09 Overcast OVC060 18.9 18.3 23.3 18.9 96% 76.4 1019.8
29 18:56 Calm 16.09 Overcast OVC060 19.4 17.8 91% 76.38 1019.4
29 17:56 W 9 16.09 A Few Clouds FEW060 21.1 16.7 76% 76.35 1018.9
29 16:56 Vrbl 6 16.09 Partly Cloudy SCT060 22.2 16.1 68% 76.3 1018.3
29 15:56 NW 9 16.09 Overcast SCT034 OVC060 22.2 16.1 68% 76.33 1018.7
29 14:56 Calm 16.09 Overcast FEW026 BKN037 OVC060 22.2 15.6 66% 76.35 1019.0
29 13:56 Calm 16.09 Overcast FEW022 BKN034 OVC060 21.7 16.7 21.7 15.6 73% 76.38 1019.4
29 11:56 Vrbl 7 16.09 Overcast FEW021 SCT031 OVC060 20.6 16.1 76% 76.45 1020.2
29 10:56 NW 7 16.09 Overcast BKN017 OVC045 20 17.2 84% 76.45 1020.2
29 09:56 NW 11 16.09 Overcast SCT041 OVC050 19.4 16.7 84% 76.43 1019.9
29 08:56 NW 9 16.09 Overcast OVC050 17.8 16.7 93% 76.38 1019.6
29 07:56 Calm 16.09 Overcast OVC049 16 0 16.1 13.9 0% 76.35 1019.1
29 06:56 Calm 16.09 Overcast OVC055 15 0 0% 76.3 1018.7
29 05:56 Calm 16.09 Overcast OVC060 14.4 14.4 100% 76.25 1018.0
29 04:56 Calm 16.09 Mostly Cloudy FEW034 BKN065 13.9 13.9 100% 76.25 1017.8
29 03:56 Calm 16.09 Mostly Cloudy BKN060 15 15 100% 76.23 1017.5
29 02:56 Calm 16.09 Overcast OVC070 15.6 15.6 100% 76.23 1017.5
29 01:56 Calm 16.09 Overcast OVC070 16.1 16.1 18.3 16.1 100% 76.23 1017.6
29 00:56 Calm 16.09 Overcast BKN032 OVC070 16.7 16.7 100% 76.25 1017.7
28 23:56 W 6 16.09 Overcast OVC034 17.2 16.1 93% 76.25 1017.7
28 22:56 W 6 16.09 Overcast OVC038 17.2 16.1 93% 76.23 1017.5
28 21:56 W 6 16.09 Overcast OVC032 17.2 16.7 97% 76.2 1017.2
28 20:56 Calm 16.09 Overcast OVC032 17.8 16.1 90% 76.17 1016.8
28 19:56 NW 7 16.09 Overcast OVC028 17.8 15.6 20.6 17.8 87% 76.12 1016.2
28 18:56 W 7 16.09 Overcast OVC030 18.3 15.6 84% 76.1 1015.7
28 17:56 NW 9 16.09 Overcast OVC032 18.9 15.6 81% 76.05 1015.1
28 16:56 NW 11 16.09 Overcast OVC032 19.4 15 76% 76.02 1014.5
28 15:56 Vrbl 9 16.09 Overcast OVC030 20 15 73% 76 1014.3
28 14:56 Vrbl 6 16.09 Overcast SCT023 OVC031 19.4 16.1 81% 76 1014.3
28 13:56 W 13 16.09 Overcast OVC021 17.8 15.6 18.3 15 87% 76.02 1014.9
28 12:56 NW 13 16.09 Overcast OVC022 18.3 15 81% 76.02 1014.8
28 11:56 W 13 16.09 Overcast OVC015 17.2 16.7 97% 76.05 1015.0
28 10:56 NW 11 16.09 Overcast BKN013 OVC020 16.7 16.7 100% 76.05 1015.0
28 09:56 NW 9 16.09 Overcast OVC008 16.7 16.7 100% 76 1014.5
28 08:56 Vrbl 7 16.09 Overcast BKN008 OVC014 16 0 0% 76 1014.3
28 07:56 NW 11 16.09 Overcast OVC012 15 0 15 14.4 0% 75.92 1013.5 0.03
28 06:56 NW 7 16.09 Mostly Cloudy BKN016 15 15 100% 75.9 1012.9
28 05:56 NW 6 16.09 Overcast OVC005 14 0 0% 75.84 1012.4
28 04:56 Vrbl 6 16.09 Light Rain FEW005 OVC012 15 0 0% 75.82 1012.1 0.03 0.03
28 03:56 NW 11 16.09 Light Rain OVC022 15 0 0% 75.82 1011.9
28 02:56 W 6 16.09 Overcast FEW036 BKN045 OVC075 14.4 14.4 100% 75.79 1011.5
28 01:56 Vrbl 7 16.09 Overcast OVC048 15 15 15 14.4 100% 75.79 1011.6
28 00:56 Vrbl 7 16.09 Mostly Cloudy BKN050 14 0 0% 75.77 1011.4
27 23:56 NW 7 16.09 Mostly Cloudy BKN055 BKN065 14 0 0% 75.77 1011.4
27 22:56 NW 9 16.09 Overcast BKN060 OVC075 15 0 0% 75.74 1011.2
27 21:56 NW 9 16.09 Mostly Cloudy FEW028 BKN080 15 0 0% 75.74 1011.1
27 20:56 NW 11 16.09 Overcast FEW009 OVC075 15 0 0% 75.72 1010.7
27 19:56 NW 11 16.09 Light Rain FEW009 BKN046 OVC055 15 0 16.1 15 0% 75.72 1010.5 0.15
27 18:55 Vrbl 11 16.09 Light Rain BKN009 BKN014 OVC070 15 0 0% 75.69 1010.3 0.05
27 17:56 Vrbl 11 16.09 Light Rain FEW015 OVC065 15.6 15.6 100% 75.64 1009.7 0.03
27 16:56 Vrbl 11 16.09 Light Rain OVC021 15.6 15.6 100% 75.59 1009.1 0.08
27 15:56 NW 13 16.09 Overcast BKN016 OVC022 15.6 15.6 100% 75.54 1008.4
27 14:56 NW 13 8.05 Light Rain OVC008 16 0 0% 75.51 1008.0 0.08
27 13:56 NW 13 11.27 Light Rain BKN010 OVC023 15.6 15.6 16.7 14.4 100% 75.51 1008.0 0.18
27 12:56 NW 9 16.09 Light Rain OVC027 16.1 15.6 97% 75.51 1008.1 0.08
27 11:56 NW 15 16.09 Overcast OVC029 16.1 15 93% 75.49 1007.6 0.03
27 10:56 Vrbl 9 16.09 Light Rain OVC036 16.1 16.1 100% 75.49 1007.6 0.05 0.08
27 09:56 Vrbl 11 16.09 Light Rain OVC055 16.1 15 93% 75.46 1007.4
27 08:56 NW 9 16.09 Light Rain BKN090 OVC110 14.4 14.4 100% 75.46 1007.3 0.03
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)