Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (est) 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.
09 12:56 NW 20 G 35 16.09 Partly Cloudy SCT060 16.7 2.8 17.2 10 40% 76.1 1015.9
09 11:56 W 30 G 46 16.09 Mostly Cloudy BKN060 16.1 2.8 41% 76.12 1016.1
09 10:56 NW 24 G 44 16.09 Mostly Cloudy BKN055 16.1 3.3 43% 76.15 1016.3
09 09:56 W 24 G 44 16.09 Mostly Cloudy BKN050 14.4 3.3 48% 76.12 1016.2
09 08:56 W 20 16.09 Fair CLR 13.3 3.9 53% 76.1 1016.1
09 07:56 W 13 16.09 Fair CLR 10.6 3.3 61% 76.07 1015.8
09 06:56 W 9 16.09 Overcast OVC050 10.6 3.3 11.7 8.9 61% 76.05 1015.4
09 05:56 W 9 16.09 A Few Clouds FEW050 9.4 2.8 64% 8 76 1014.8
09 04:56 W 7 16.09 Fair CLR 10 2.2 59% 9 75.95 1013.8
09 03:56 W 11 16.09 Fair CLR 10.6 2.2 56% 75.9 1013.2
09 02:56 W 11 16.09 Fair CLR 11.1 1.7 53% 75.9 1013.2
09 01:56 SW 6 16.09 Fair CLR 10.6 1.1 52% 75.92 1013.4
09 00:56 Calm 16.09 Fair CLR 10.6 0.6 12.8 6.7 50% 75.95 1013.8
08 23:56 W 6 16.09 Fair CLR 11.7 0 45% 75.95 1014.0
08 22:56 Calm 16.09 Fair CLR 10.6 -0.6 46% 75.95 1013.9
08 21:56 W 9 16.09 Fair CLR 8.3 2.2 66% 7 75.95 1014.0
08 20:56 Calm 16.09 Fair CLR 7.8 3.3 73% 75.9 1013.5
08 19:56 Calm 16.09 Fair CLR 11.7 2.8 55% 75.87 1012.9
08 18:56 Calm 16.09 Fair CLR 12.8 2.8 16.7 12.8 51% 75.87 1013.1
08 17:56 S 7 16.09 Fair CLR 12.8 2.8 51% 75.87 1013.1
08 16:56 Calm 16.09 Fair CLR 14.4 1.7 42% 75.9 1013.3
08 15:56 W 13 16.09 Fair CLR 16.1 2.8 41% 75.95 1013.8
08 14:56 W 17 16.09 Fair CLR 16.1 2.8 41% 75.97 1014.3
08 13:56 W 19 16.09 Fair CLR 15.6 2.2 41% 76.02 1015.1
08 12:56 NW 19 G 31 16.09 Fair CLR 14.4 2.8 15 7.2 46% 76.1 1016.0
08 11:56 W 19 16.09 Fair CLR 13.9 3.3 49% 76.17 1017.0
08 10:56 W 20 16.09 Fair CLR 13.3 3.9 53% 76.28 1018.4
08 09:56 NW 22 16.09 Fair CLR 11.7 3.9 59% 76.3 1018.6
08 08:56 NW 28 G 39 16.09 Fair CLR 10 3.3 63% 7 76.3 1018.8
08 06:56 NW 15 16.09 Mostly Cloudy BKN030 7.2 2.2 7.8 6.1 71% 5 76.3 1018.7
08 05:56 NW 19 G 31 16.09 Fair CLR 7.2 2.2 71% 4 76.25 1018.2
08 04:56 NW 24 G 35 16.09 Fair CLR 7.8 2.8 71% 5 76.25 1017.8
08 03:56 W 19 16.09 Fair CLR 6.7 2.8 76% 4 76.23 1017.8
08 01:56 W 11 16.09 Fair CLR 6.7 2.2 73% 5 76.25 1018.4
08 00:56 W 9 16.09 Fair CLR 6.1 2.2 8.9 6.1 76% 4 76.25 1018.3
07 23:56 W 15 16.09 Fair CLR 6.7 2.2 73% 4 76.28 1018.4
07 22:56 W 11 16.09 Fair CLR 7.2 2.2 71% 5 76.25 1018.2
07 21:56 W 15 16.09 Fair CLR 7.2 2.2 71% 5 76.25 1018.1
07 20:56 W 11 16.09 A Few Clouds FEW042 7.8 2.2 68% 6 76.25 1018.1
07 19:56 W 13 16.09 Fair CLR 7.8 2.2 68% 6 76.25 1018.1
07 18:56 W 17 16.09 Mostly Cloudy FEW045 BKN055 8.9 2.8 14.4 8.9 66% 7 76.25 1018.3
07 17:56 NW 20 G 31 16.09 Overcast OVC049 10 2.8 61% 8 76.23 1017.6
07 16:56 W 28 G 37 16.09 Fair CLR 10.6 2.2 56% 76.15 1016.6
07 15:56 W 31 G 43 16.09 A Few Clouds FEW050 11.7 1.7 51% 76.1 1016.1
07 14:56 W 37 G 48 16.09 Mostly Cloudy and Breezy BKN050 12.8 1.7 47% 76.07 1015.5
07 13:56 W 22 G 35 16.09 Mostly Cloudy BKN050 12.8 1.7 47% 76.05 1015.1
07 12:56 NW 19 G 33 16.09 Mostly Cloudy BKN050 13.9 2.2 14.4 6.7 45% 76.02 1014.9
07 11:56 W 20 G 26 16.09 A Few Clouds FEW050 14.4 2.8 46% 76.1 1015.7
07 10:56 Vrbl 11 G 35 16.09 Fair CLR 12.8 2.8 51% 76.15 1016.6
07 09:56 NW 19 G 43 16.09 Fair CLR 11.1 1.7 53% 76.17 1017.0
07 08:56 NW 22 G 39 16.09 Fair CLR 10 2.2 59% 7 76.17 1017.0
07 06:56 NW 9 16.09 Fair CLR 7.2 1.1 13.3 6.7 66% 6 76.15 1016.6
07 05:56 NW 15 16.09 Fair CLR 7.2 1.1 66% 5 76.1 1016.1
07 04:56 NW 13 16.09 Fair CLR 7.8 0.6 61% 6 76.1 1016.0
07 03:56 NW 17 16.09 Mostly Cloudy BKN070 8.9 1.1 58% 7 76.05 1015.3
07 02:56 NW 22 G 31 16.09 Overcast OVC080 10 2.8 61% 7 76.05 1015.2
07 01:56 NW 19 G 30 16.09 Overcast OVC080 12.2 6.7 69% 76.05 1015.2
07 00:56 NW 15 16.09 Overcast BKN070 OVC080 13.3 7.8 15.6 12.8 70% 76 1014.3
06 23:56 NW 20 G 30 16.09 Overcast OVC070 15 8.3 64% 75.97 1013.8
06 22:56 NW 11 16.09 Overcast OVC070 14.4 11.1 81% 75.95 1013.9
06 21:56 Calm 16.09 Mostly Cloudy BKN065 12.8 12.8 100% 75.97 1013.9
06 20:56 W 7 16.09 Mostly Cloudy FEW039 BKN060 BKN090 13.3 13.3 100% 75.97 1014.0
06 19:56 Calm 16.09 Overcast OVC065 15 14.4 96% 75.95 1013.7
06 18:56 Calm 16.09 Overcast BKN070 OVC085 15.6 14.4 20.6 15 93% 75.95 1013.7
06 17:56 S 7 16.09 Fair CLR 15 14.4 96% 75.92 1013.4
06 16:56 S 9 16.09 A Few Clouds FEW014 16.1 15.6 97% 75.87 1012.7
06 15:56 SE 17 16.09 Fair CLR 18.3 14.4 78% 75.79 1011.6
06 14:56 SE 7 16.09 Partly Cloudy SCT110 19.4 11.7 61% 75.82 1011.9
06 13:56 Calm 16.09 Fair CLR 20 8.9 49% 75.84 1012.1
Date Time (est) 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)