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.
31 15:56 W 11 16.09 Mostly Cloudy BKN080 29.4 18.3 51% 30 76.17 1016.4
31 14:56 Calm 12.87 Fair CLR 30 18.3 49% 31 76.17 1016.5
31 13:56 Calm 16.09 A Few Clouds FEW065 28.9 17.2 30 21.1 49% 29 76.2 1016.7
31 12:56 Calm 16.09 A Few Clouds FEW041 28.3 18.9 57% 30 76.25 1017.2
31 11:56 Calm 16.09 Mostly Cloudy SCT036 BKN060 27.2 18.3 58% 28 76.28 1017.6
31 10:56 Vrbl 6 16.09 A Few Clouds FEW031 26.1 18.3 62% 27 76.28 1017.7
31 09:56 Calm 16.09 Fair CLR 25 19.4 71% 26 76.28 1017.7
31 08:56 Calm 16.09 Fair CLR 23.3 18.9 76% 76.28 1017.8
31 07:56 Calm 16.09 Fair CLR 21.1 19.4 21.7 17.8 90% 76.28 1017.7
31 06:56 Calm 16.09 Mostly Cloudy BKN075 18 0 0% 76.25 1017.6
31 05:56 Calm 16.09 Overcast OVC075 18 0 0% 76.23 1017.4
31 04:56 Calm 16.09 A Few Clouds FEW080 18 0 0% 76.2 1017.0
31 03:56 Calm 16.09 Fair CLR 18.9 18.9 100% 76.2 1016.8
31 02:56 Calm 16.09 Mostly Cloudy BKN080 20 18.9 93% 76.17 1016.4
31 01:56 Calm 16.09 Overcast OVC080 21.7 17.8 24.4 21.7 79% 76.17 1016.4
31 00:56 Calm 16.09 Overcast OVC080 22.2 17.8 76% 76.17 1016.2
30 23:56 Calm 16.09 Overcast OVC080 22.2 18.3 79% 76.15 1016.1
30 22:56 Calm 16.09 Overcast OVC080 22.8 17.2 71% 76.15 1016.0
30 21:56 Calm 16.09 Overcast OVC075 23.3 17.8 71% 76.1 1015.6
30 20:56 Calm 16.09 Overcast OVC070 23.9 17.8 69% 25 76.05 1014.8
30 19:56 Calm 16.09 Overcast OVC075 24.4 17.8 27.8 24.4 67% 25 76.02 1014.6
30 18:56 NW 6 16.09 Overcast OVC070 25 17.8 64% 26 76 1014.3
30 17:56 Calm 16.09 Overcast OVC070 25.6 17.8 62% 27 76 1014.1
30 16:56 Calm 16.09 Overcast OVC070 25.6 17.8 62% 27 75.95 1013.4
30 15:56 Calm 16.09 Overcast OVC070 26.1 17.8 60% 27 75.92 1013.2
30 14:56 Vrbl 6 16.09 Overcast SCT047 OVC065 26.1 18.3 62% 27 75.92 1013.1
30 13:56 NW 13 G 28 16.09 Mostly Cloudy BKN049 26.7 17.8 27.2 20.6 58% 28 75.9 1012.9
30 12:56 NW 20 G 28 16.09 A Few Clouds FEW047 27.2 17.2 54% 28 75.9 1012.5
30 11:56 NW 26 G 33 16.09 Mostly Cloudy BKN045 25 16.1 58% 26 75.87 1012.5
30 10:56 NW 22 G 30 16.09 Fair CLR 24.4 16.1 60% 26 75.87 1012.2
30 09:56 NW 20 G 33 16.09 Fair CLR 22.8 15 62% 75.9 1012.6
30 07:56 W 13 16.09 Fair CLR 20.6 15.6 20.6 18.9 73% 75.84 1012.1
30 06:56 W 13 16.09 Fair CLR 19.4 15 76% 75.82 1011.8
30 05:56 NW 15 16.09 Overcast OVC085 20 15.6 76% 75.77 1011.1
30 04:56 NW 17 16.09 Overcast OVC085 20.6 15 70% 75.72 1010.4
30 03:56 W 13 16.09 Overcast OVC080 20 16.1 78% 75.72 1010.1
30 02:56 W 11 16.09 Fair CLR 18.9 17.2 90% 75.72 1010.4
30 01:56 W 6 16.09 Fair CLR 19.4 17.2 23.9 19.4 87% 75.74 1010.6
30 00:56 W 9 16.09 Partly Cloudy SCT080 20 17.2 84% 75.77 1010.9
29 23:56 NW 6 16.09 Overcast OVC090 21.7 16.1 71% 75.74 1010.8
29 22:56 Vrbl 9 16.09 Overcast OVC060 22.8 16.1 66% 75.74 1010.8
29 21:56 NW 17 16.09 Overcast BKN050 OVC075 23.3 16.7 67% 75.72 1010.1
29 20:56 NW 11 16.09 Overcast OVC060 23.3 16.7 67% 75.67 1009.5
29 19:56 NW 17 16.09 Overcast SCT070 OVC090 23.3 17.2 27.2 22.8 69% 75.62 1008.9
29 18:56 NW 13 16.09 Overcast OVC060 23.9 17.2 66% 25 75.57 1008.5
29 17:56 NW 15 16.09 Overcast OVC060 24.4 16.7 62% 25 75.54 1008.2
29 16:56 NW 15 G 30 16.09 Overcast BKN047 OVC065 24.4 16.7 62% 25 75.51 1007.7
29 15:56 NW 19 G 37 16.09 Overcast FEW044 OVC065 27.2 17.8 57% 28 75.49 1007.4
29 14:56 W 26 G 39 16.09 Overcast FEW046 OVC060 25.6 17.2 60% 27 75.49 1007.3
29 13:56 NW 17 G 39 16.09 Mostly Cloudy SCT049 BKN060 25.6 16.1 27.2 20.6 56% 26 75.49 1007.4
29 12:56 NW 20 G 31 16.09 Overcast OVC050 25 16.1 58% 26 75.49 1007.4
29 11:56 NW 17 16.09 Mostly Cloudy BKN041 BKN055 25 16.7 60% 26 75.49 1007.4
29 10:56 NW 15 16.09 Fair CLR 25 17.8 64% 26 75.49 1007.3
29 09:56 NW 19 G 26 16.09 Fair CLR 23.9 19.4 76% 24 75.49 1007.3
29 08:56 NW 13 16.09 Fair CLR 22.2 21.1 94% 75.46 1007.1
29 07:56 NW 9 16.09 Fair CLR 21 0 20.6 18.3 0% 75.41 1006.5 0.03
29 06:56 Vrbl 6 14.48 Fair CLR 19 0 0% 75.39 1005.8 0.03
29 05:56 NW 7 14.48 Fair CLR 19 0 0% 75.34 1005.2
29 04:56 NW 6 16.09 Fair CLR 19 0 0% 75.31 1005.0
29 03:56 NW 6 11.27 Fair CLR 19 0 0% 75.31 1004.7
29 02:56 Calm 11.27 Fair CLR 19 0 0% 75.31 1004.8
29 01:56 Calm 14.48 Fair CLR 19 0 21.7 19.4 0% 75.29 1004.6
29 00:56 Calm 16.09 Fair CLR 20 0 0% 75.29 1004.4
28 23:56 Calm 12.87 A Few Clouds FEW003 20 0 0% 75.29 1004.5
28 22:56 Calm 4.02 Fog/Mist FEW002 19 0 0% 75.29 1004.6
28 21:56 Calm 16.09 A Few Clouds FEW006 21 0 0% 75.29 1004.6
28 20:56 Calm 16.09 Overcast SCT034 BKN043 OVC049 21 0 0% 75.26 1004.3
28 19:56 Calm 16.09 Mostly Cloudy BKN041 BKN049 22 0 31.1 20 0% 75.23 1003.8 2.13
28 18:56 S 6 16.09 Partly Cloudy SCT070 SCT080 21 0 0% 75.16 1003.0
28 17:56 Vrbl 9 16.09 Thunderstorm Heavy Rain SCT008 BKN021 OVC100 21 0 0% 75.29 1004.7 1.88
28 16:56 S 6 16.09 Thunderstorm in Vicinity Light Rain FEW044 BKN070 BKN100 26.1 25.6 97% 29 75.11 1002.0 0.25 0.25
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)