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 18:56 W 17 16.09 Mostly Cloudy BKN100 25 13.9 50% 26 76.2 1017.0
16 17:56 W 13 16.09 Overcast OVC075 26.7 11.7 39% 27 76.25 1017.6
16 16:56 S 15 16.09 Partly Cloudy SCT085 28.3 11.1 34% 28 76.23 1017.1
16 15:56 S 13 16.09 Mostly Cloudy FEW070 BKN090 28.3 10 32% 27 76.25 1017.6
16 14:56 SW 13 16.09 A Few Clouds FEW080 28.3 9.4 31% 27 76.3 1018.1
16 13:56 SW 15 16.09 Fair CLR 27.2 7.2 27.2 16.1 28% 26 76.35 1019.1
16 12:56 Vrbl 11 16.09 Fair CLR 26.1 9.4 35% 26 76.4 1019.7
16 11:56 SW 11 16.09 Fair CLR 25 9.4 37% 26 76.45 1020.3
16 10:56 S 9 16.09 Fair CLR 22.2 10.6 48% 76.5 1021.2
16 09:56 S 9 16.09 Fair CLR 20.6 10 51% 76.53 1021.6
16 08:56 S 9 16.09 Fair CLR 18.3 9.4 56% 76.56 1021.7
16 07:56 S 6 16.09 Fair CLR 16.1 10 16.1 8.3 67% 76.56 1021.9
16 06:56 Calm 16.09 Fair CLR 9 0 0% 76.53 1021.6
16 05:56 Calm 16.09 Fair CLR 8 0 0% 76.5 1021.2
16 04:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.45 1020.7
16 03:56 Calm 16.09 Fair CLR 10 10 100% 76.45 1020.5
16 02:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.45 1020.5
16 01:56 Calm 16.09 Fair CLR 10.6 10.6 18.9 10 100% 76.45 1020.7
16 00:56 Calm 16.09 Fair CLR 11.1 10 93% 76.45 1020.5
15 23:56 Calm 16.09 Fair CLR 11.7 10.6 93% 76.43 1020.3
15 22:56 Calm 16.09 Fair CLR 12.8 8.9 77% 76.43 1020.2
15 21:56 Calm 16.09 Fair CLR 13.3 10 81% 76.4 1019.9
15 20:56 Calm 16.09 Fair CLR 15.6 7.8 60% 76.33 1018.9
15 19:56 Calm 16.09 Fair CLR 18.3 7.2 21.7 18.3 49% 76.28 1018.3
15 18:56 Calm 16.09 Fair CLR 20 7.2 44% 76.25 1017.7
15 17:56 NW 7 16.09 Fair CLR 21.1 7.2 41% 76.23 1017.4
15 16:56 W 17 16.09 A Few Clouds FEW060 21.1 7.2 41% 76.2 1017.2
15 15:56 W 9 G 26 16.09 Fair CLR 20.6 6.7 41% 76.2 1017.0
15 14:56 W 13 16.09 Partly Cloudy SCT055 20 6.7 42% 76.25 1017.8
15 13:56 NW 24 G 35 16.09 A Few Clouds FEW050 18.9 6.7 18.9 12.2 45% 76.25 1017.8
15 12:56 NW 17 G 31 16.09 Mostly Cloudy BKN046 18.3 6.7 47% 76.25 1017.9
15 11:56 NW 15 16.09 Partly Cloudy SCT046 17.2 6.1 48% 76.23 1017.4
15 10:56 NW 19 16.09 Partly Cloudy SCT044 16.1 5.6 50% 76.23 1017.5
15 09:56 Vrbl 11 16.09 Fair CLR 15 5.6 54% 76.2 1017.3
15 08:56 NW 19 G 30 16.09 Overcast OVC037 13.9 5.6 58% 76.23 1017.7
15 07:56 NW 19 G 28 16.09 Mostly Cloudy BKN042 BKN080 12.2 5.6 12.2 10 64% 76.17 1017.0
15 06:56 NW 7 16.09 Overcast BKN040 OVC080 10.6 5.6 71% 76.12 1016.2
15 05:56 NW 9 16.09 Overcast OVC085 10.6 5.6 71% 76.02 1014.9
15 04:56 Vrbl 9 16.09 Overcast OVC065 10.6 5.6 71% 75.97 1014.3
15 03:56 NW 13 16.09 Overcast FEW030 OVC037 10.6 6.1 74% 75.97 1014.2
15 02:56 NW 13 16.09 Overcast OVC034 10.6 6.1 74% 75.97 1014.1
15 01:56 NW 7 16.09 Overcast BKN038 OVC090 10 6.1 12.2 10 77% 9 75.97 1014.4
15 00:56 NW 11 16.09 Overcast BKN038 OVC110 10 6.1 77% 9 76 1014.7
14 23:56 NW 13 16.09 Overcast BKN040 OVC110 10 5.6 74% 8 76 1014.6
14 22:56 NW 11 16.09 Overcast OVC034 10.6 5 69% 76 1014.7
14 21:56 W 20 G 28 16.09 Overcast OVC036 11.1 5 66% 76 1014.6
14 20:56 NW 13 16.09 Overcast OVC044 11.7 5 64% 75.95 1013.8
14 19:56 NW 17 G 28 16.09 Overcast OVC050 12.2 4.4 16.1 12.2 59% 75.92 1013.4
14 18:56 NW 15 16.09 Overcast OVC050 12.8 4.4 57% 75.87 1012.7
14 17:56 NW 17 G 35 16.09 Overcast FEW049 BKN060 OVC075 13.3 5 57% 75.84 1012.5
14 16:56 NW 19 G 30 16.09 Overcast OVC055 13.9 4.4 53% 75.82 1012.2
14 15:56 NW 19 G 28 16.09 Overcast BKN049 OVC060 13.9 4.4 53% 75.82 1012.2
14 14:56 W 17 G 28 16.09 Overcast OVC050 15 5.6 54% 75.82 1012.2
14 13:56 W 22 G 35 16.09 Overcast OVC047 13.9 4.4 16.1 11.1 53% 75.82 1012.3
14 12:56 NW 20 G 33 16.09 Overcast BKN040 OVC050 13.3 5.6 60% 75.84 1012.5
14 11:56 NW 19 G 39 16.09 Mostly Cloudy BKN043 15.6 5 50% 75.84 1012.3
14 10:56 NW 31 G 39 16.09 Mostly Cloudy BKN037 15 6.1 56% 75.84 1012.2
14 09:56 NW 15 G 33 16.09 Fair CLR 13.9 6.1 60% 75.84 1012.5
14 08:56 Vrbl 11 16.09 Fair CLR 12.8 7.8 72% 75.84 1012.5
14 07:56 NW 9 16.09 Overcast SCT070 OVC085 11.1 11.1 11.1 10 100% 75.82 1011.9 0.03
14 06:56 NW 9 16.09 Overcast BKN055 OVC070 11 0 0% 75.77 1011.3
14 05:56 Calm 16.09 Mostly Cloudy SCT050 BKN070 BKN110 11 0 0% 75.69 1010.5
14 04:56 Calm 16.09 Overcast BKN050 BKN060 OVC075 11 0 0% 75.69 1010.5 0.03 0.03
14 02:56 Calm 14.48 Overcast FEW001 SCT070 OVC110 11 0 0% 75.69 1010.4
14 01:56 Calm 4.02 Fog/Mist FEW005 BKN085 OVC120 11 0 18.3 11.1 0% 75.72 1010.8 0.81
14 00:56 Calm 8.05 Overcast with Haze OVC100 12 0 0% 75.77 1011.2
13 23:56 Calm 12.87 Mostly Cloudy BKN100 12 0 0% 75.77 1011.4
13 22:56 Calm 16.09 Mostly Cloudy BKN110 13 0 0% 75.77 1011.3 0.05 0.81
13 21:56 S 9 16.09 Light Rain BKN075 OVC090 13 0 0% 75.77 1011.4 0.28
13 20:56 NW 7 12.87 Thunderstorm in Vicinity Rain FEW045 BKN060 OVC075 12.8 12.8 100% 75.79 1011.8 0.48
13 19:56 S 7 16.09 A Few Clouds FEW120 18.3 11.7 23.9 18.3 66% 75.67 1010.1
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)