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.
11 12:56 S 13 16.09 Mostly Cloudy FEW044 BKN110 23.9 14.4 55% 25 75.92 1013.0
11 11:56 S 15 16.09 Mostly Cloudy BKN100 22.8 13.9 57% 75.97 1013.8
11 10:56 Calm 16.09 Overcast BKN070 BKN090 OVC110 20.6 13.9 66% 76.02 1014.5
11 09:56 S 7 16.09 Overcast BKN075 OVC120 20 12.8 63% 76.05 1014.7
11 08:56 S 11 16.09 Fair CLR 19.4 12.2 63% 76.02 1014.5
11 07:56 SE 6 16.09 Fair CLR 14.4 11.1 17.8 13.9 81% 76 1014.3
11 06:56 SE 6 16.09 Fair CLR 14.4 11.1 81% 76.02 1014.6
11 05:56 SE 6 16.09 Fair CLR 15 10.6 75% 76.02 1014.7
11 04:56 S 7 16.09 Fair CLR 16.1 10.6 70% 76.02 1014.6
11 03:56 SE 7 16.09 Fair CLR 16.1 10 67% 76.07 1015.0
11 02:56 Calm 16.09 Partly Cloudy SCT110 16.1 9.4 65% 76.1 1015.6
11 01:56 SE 6 16.09 A Few Clouds FEW120 17.8 8.9 22.8 17.2 56% 76.12 1015.8
11 00:56 S 6 16.09 Fair CLR 19.4 8.3 49% 76.15 1016.1
10 23:56 SE 13 16.09 Fair CLR 19.4 7.8 47% 76.2 1016.7
10 22:56 SE 11 16.09 Fair CLR 18.9 7.8 49% 76.2 1016.8
10 21:56 SE 9 16.09 Fair CLR 20.6 7.8 44% 76.17 1016.8
10 20:56 SE 11 16.09 Fair CLR 21.1 7.2 41% 76.2 1017.0
10 19:56 SE 7 16.09 Fair CLR 22.8 7.2 29.4 22.8 37% 76.17 1016.7
10 18:56 S 7 16.09 Fair CLR 25.6 6.7 30% 26 76.15 1016.4
10 17:56 S 13 16.09 Fair CLR 28.3 5.6 24% 27 76.12 1016.1
10 16:56 S 13 16.09 Fair CLR 28.9 7.2 25% 28 76.15 1016.3
10 15:56 SW 13 16.09 Fair CLR 28.9 8.9 29% 28 76.15 1016.3
10 14:56 S 9 16.09 Fair CLR 28.3 9.4 31% 27 76.23 1017.1
10 13:56 SW 13 16.09 Fair CLR 28.3 8.9 28.3 6.7 30% 27 76.28 1017.8
10 12:56 SE 13 16.09 Fair CLR 28.3 7.8 27% 27 76.3 1018.4
10 11:56 S 7 16.09 Fair CLR 27.2 6.1 26% 26 76.35 1019.0
10 10:56 SW 7 16.09 Fair CLR 22.2 5 33% 76.4 1019.7
10 09:56 SW 6 16.09 Fair CLR 17.8 7.2 50% 76.4 1020.0
10 08:56 Calm 16.09 Fair CLR 10.6 10 96% 76.38 1019.7
10 07:56 Calm 16.09 Fair CLR 7.2 7.2 10 6.1 100% 76.33 1019.2
10 06:56 Calm 16.09 Fair CLR 7.2 7.2 100% 76.33 1018.9
10 05:56 Calm 16.09 Fair CLR 7.2 7.2 100% 76.3 1018.7
10 04:56 Calm 16.09 Fair CLR 6.7 6.7 100% 76.28 1018.2
10 03:56 Calm 16.09 Fair CLR 7.8 7.8 100% 76.28 1018.2
10 02:56 Calm 16.09 Fair CLR 8.9 7.8 93% 76.28 1018.2
10 01:56 Calm 16.09 Fair CLR 9.4 7.2 18.3 8.9 86% 76.28 1018.2
10 00:56 Calm 16.09 Fair CLR 10.6 6.7 77% 76.28 1018.1
09 23:56 Calm 16.09 Fair CLR 11.1 5.6 69% 76.28 1018.2
09 22:56 Calm 16.09 Fair CLR 12.2 5 62% 76.25 1017.9
09 21:56 SE 9 16.09 Fair CLR 14.4 5 53% 76.23 1017.4
09 20:56 SE 6 16.09 Fair CLR 17.2 5 45% 76.2 1017.1
09 19:56 S 6 16.09 Fair CLR 18.3 5 25 18.3 42% 76.17 1016.9
09 18:56 SW 6 16.09 Fair CLR 22.2 4.4 31% 76.17 1016.7
09 17:56 W 11 16.09 Fair CLR 23.9 4.4 28% 25 76.15 1016.4
09 16:56 SW 11 16.09 Fair CLR 23.9 5 29% 25 76.15 1016.5
09 15:56 SW 17 G 26 16.09 Fair CLR 23.9 5 29% 25 76.17 1017.0
09 14:56 SW 15 16.09 Fair CLR 23.9 5.6 31% 25 76.2 1017.1
09 13:56 S 15 G 28 16.09 Fair CLR 23.3 3.9 23.3 4.4 28% 76.25 1017.7
09 12:56 S 19 16.09 Fair CLR 22.8 3.9 29% 76.35 1019.2
09 11:56 Vrbl 7 16.09 Fair CLR 21.1 3.9 32% 76.43 1020.0
09 10:56 Vrbl 6 16.09 Fair CLR 18.9 3.9 37% 76.45 1020.5
09 09:56 W 6 16.09 Fair CLR 14.4 3.9 50% 76.5 1021.3
09 07:56 Calm 16.09 Fair CLR 4.4 3.3 10.6 4.4 93% 76.38 1019.7
09 06:56 Calm 16.09 Fair CLR 5 2.8 86% 76.3 1018.7
09 05:56 SE 6 16.09 Fair CLR 6.1 2.2 76% 76.25 1017.8
09 04:56 Calm 16.09 Fair CLR 6.1 1.7 74% 76.2 1017.2
09 03:56 Calm 16.09 Fair CLR 7.8 1.7 66% 76.17 1016.8
09 02:56 Calm 16.09 Fair CLR 7.8 2.2 68% 76.2 1017.1
09 01:56 Calm 16.09 Fair CLR 8.9 1.1 17.2 7.2 58% 76.23 1017.4
09 00:56 Calm 16.09 Fair CLR 9.4 1.1 56% 76.2 1017.2
08 23:56 Calm 16.09 Fair CLR 8.9 3.3 68% 76.2 1017.1
08 22:56 Calm 16.09 Fair CLR 10 3.3 63% 76.17 1016.8
08 21:56 SE 9 16.09 Fair CLR 11.1 4.4 64% 76.12 1016.1
08 20:56 Calm 16.09 Fair CLR 12.2 6.7 69% 76.05 1015.2
08 19:56 NW 9 16.09 Fair CLR 16.7 5 22.2 16.7 46% 76.02 1014.7
08 18:56 NW 11 16.09 Fair CLR 19.4 7.2 45% 75.97 1014.0
08 17:56 W 17 16.09 Fair CLR 20.6 7.2 42% 75.9 1013.1
08 16:56 W 19 16.09 A Few Clouds FEW060 21.7 7.8 41% 75.87 1012.9
08 15:56 W 26 16.09 Fair CLR 21.7 9.4 46% 75.84 1012.5
08 14:56 W 24 16.09 A Few Clouds FEW060 21.7 12.2 55% 75.82 1012.1
08 13:56 W 11 16.09 Mostly Cloudy SCT045 BKN055 21.1 12.8 21.1 13.3 59% 75.82 1012.2
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)