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.
04 19:56 Vrbl 9 G 30 16.09 Overcast OVC090 22.2 6.1 25.6 22.2 35% 75.79 1011.5
04 18:56 SW 19 16.09 Mostly Cloudy BKN090 23.9 5.6 31% 25 75.77 1011.3
04 17:56 S 19 G 28 16.09 Mostly Cloudy BKN100 24.4 5.6 30% 25 75.74 1011.0
04 16:56 S 20 G 28 16.09 A Few Clouds FEW085 25 5.6 29% 25 75.74 1011.0
04 15:56 SW 13 G 26 16.09 A Few Clouds FEW080 25 5.6 29% 25 75.82 1011.9
04 14:56 SW 20 G 26 16.09 Fair CLR 23.9 5 29% 25 75.9 1013.0
04 13:56 SW 9 16.09 Fair CLR 22.2 5 22.8 12.2 33% 75.95 1013.8
04 12:56 SW 15 16.09 Fair CLR 22.2 4.4 31% 76 1014.6
04 11:56 S 13 16.09 Fair CLR 20.6 3.3 32% 76.05 1015.2
04 10:56 SW 13 16.09 Fair CLR 19.4 2.2 32% 76.1 1015.9
04 09:56 SE 11 16.09 Fair CLR 17.8 3.3 38% 76.1 1015.9
04 08:56 Vrbl 7 16.09 Fair CLR 14.4 3.3 48% 76.15 1016.5
04 07:56 S 9 16.09 Fair CLR 12.2 2.2 12.2 6.1 51% 76.15 1016.7
04 06:56 SE 6 16.09 A Few Clouds FEW110 8.3 2.8 69% 76.15 1016.6
04 05:56 Calm 16.09 Mostly Cloudy BKN095 8.3 2.2 66% 76.15 1016.7
04 04:56 S 6 16.09 Overcast OVC090 10 1.7 57% 76.17 1017.0
04 03:56 Calm 16.09 Overcast OVC100 8.3 1.7 63% 76.2 1017.2
04 02:56 SE 6 16.09 Overcast OVC120 7.2 2.2 71% 76.2 1017.3
04 01:56 Calm 16.09 Fair CLR 6.7 0.6 13.3 5 65% 76.2 1017.5
04 00:56 Calm 16.09 Fair CLR 5.6 0.6 71% 76.23 1017.6
03 23:56 Calm 16.09 Fair CLR 5.6 2.8 82% 76.2 1017.5
03 22:56 Calm 16.09 Fair CLR 6.7 0.6 65% 76.17 1017.1
03 21:56 Calm 16.09 Fair CLR 7.8 0.6 61% 76.15 1016.9
03 20:56 Calm 16.09 Fair CLR 10 -0.6 48% 76.15 1016.6
03 19:56 W 7 16.09 Fair CLR 13.3 -2.8 17.2 13.3 33% 76.1 1016.2
03 18:56 W 15 16.09 Fair CLR 15.6 -3.3 27% 76.07 1015.8
03 17:56 NW 13 G 30 16.09 Fair CLR 16.7 -2.8 26% 76.07 1015.9
03 16:56 NW 13 G 28 16.09 Fair CLR 15.6 -3.9 26% 76.1 1016.1
03 15:56 NW 17 G 37 16.09 A Few Clouds FEW080 15.6 -3.3 27% 76.12 1016.5
03 14:56 W 22 G 33 16.09 A Few Clouds FEW070 15 -1.7 32% 76.2 1017.3
03 13:56 W 19 G 31 16.09 A Few Clouds FEW070 14.4 -1.1 14.4 6.1 35% 76.25 1018.0
03 12:56 N 15 G 26 16.09 Partly Cloudy SCT065 13.3 -2.2 34% 76.25 1018.1
03 11:56 NW 17 G 37 16.09 Partly Cloudy SCT060 12.2 -1.7 38% 76.3 1018.9
03 10:56 NW 15 G 28 16.09 Partly Cloudy SCT055 10.6 -2.2 41% 76.33 1019.0
03 09:56 NW 15 G 41 16.09 Fair CLR 9.4 -2.2 44% 7 76.33 1019.3
03 08:56 NW 20 G 31 16.09 Fair CLR 7.2 -2.2 52% 4 76.33 1019.1
03 07:56 NW 13 16.09 Fair CLR 6.1 -2.2 6.1 3.3 56% 4 76.3 1018.8
03 06:56 NW 19 16.09 Fair CLR 4.4 -2.2 63% 1 76.23 1017.9
03 05:56 W 13 16.09 Fair CLR 3.3 -1.1 73% 0 76.17 1017.0
03 04:56 NW 13 16.09 A Few Clouds FEW080 3.9 -0.6 73% 1 76.15 1016.6
03 03:56 W 11 16.09 Overcast OVC080 4.4 0 73% 2 76.1 1016.1
03 02:56 NW 9 16.09 Fair CLR 5 -0.6 67% 3 76.07 1015.8
03 01:56 W 13 16.09 Fair CLR 5 -0.6 11.1 4.4 67% 2 76.07 1015.7
03 00:56 W 7 16.09 Fair CLR 5 0 70% 4 76.07 1015.8
02 23:56 NW 7 16.09 Fair CLR 7.2 0 61% 6 76.1 1016.1
02 22:56 Vrbl 11 16.09 Overcast OVC100 8.9 0 54% 7 76.1 1016.0
02 21:56 Vrbl 7 16.09 Overcast OVC095 10 -0.6 48% 9 76.07 1015.9
02 20:56 Vrbl 6 16.09 Overcast OVC090 9.4 -0.6 50% 76.02 1015.1
02 19:56 Calm 16.09 A Few Clouds FEW085 11.1 -0.6 15.6 11.1 45% 75.97 1014.3
02 18:56 Vrbl 6 16.09 Mostly Cloudy BKN085 12.2 0 43% 75.95 1014.2
02 17:56 Vrbl 7 16.09 Mostly Cloudy FEW060 BKN080 12.8 0 42% 75.95 1014.0
02 16:56 W 19 G 30 16.09 Mostly Cloudy BKN080 14.4 -0.6 36% 75.92 1013.6
02 15:56 Vrbl 7 16.09 Overcast OVC070 14.4 0 38% 75.92 1013.7
02 14:56 Vrbl 9 16.09 Mostly Cloudy BKN070 14.4 -1.1 35% 76 1014.5
02 13:56 Vrbl 9 16.09 Partly Cloudy SCT065 14.4 0 14.4 7.8 38% 76.05 1015.2
02 12:56 W 7 16.09 Mostly Cloudy BKN060 12.2 0 43% 76.07 1015.7
02 11:56 Vrbl 6 16.09 Fair CLR 12.2 0.6 45% 76.12 1016.1
02 10:56 Vrbl 6 16.09 Fair CLR 11.7 1.7 51% 76.12 1016.3
02 09:56 Vrbl 9 16.09 Fair CLR 10 1.1 54% 9 76.1 1016.0
02 08:56 NW 11 16.09 Fair CLR 8.3 2.2 66% 7 76.12 1016.2
02 07:56 Vrbl 9 16.09 Fair CLR 7.8 2.2 11.1 7.2 68% 6 76.12 1016.2
02 06:56 NW 15 16.09 Fair CLR 7.2 2.8 74% 5 76.1 1015.8
02 05:56 NW 17 G 31 16.09 Fair CLR 8.3 1.7 63% 6 76.05 1015.1
02 04:56 NW 13 16.09 Fair CLR 8.9 2.8 66% 7 76.02 1014.9
02 03:56 Vrbl 11 16.09 A Few Clouds FEW080 10 3.3 63% 9 76.02 1014.6
02 02:56 NW 9 16.09 Overcast OVC065 10.6 5.6 71% 76 1014.3
02 01:56 NW 7 16.09 Overcast OVC060 11.1 6.1 16.7 11.1 72% 76.02 1014.7
02 00:56 NW 7 16.09 Light Rain OVC055 11.1 8.9 86% 76.02 1014.9
01 23:56 Calm 16.09 Overcast OVC060 11.7 8.9 83% 76 1014.5
01 22:56 Calm 16.09 Overcast OVC070 13.3 4.4 55% 75.92 1013.5
01 21:56 SE 6 16.09 Overcast OVC075 13.9 5 55% 75.92 1013.4
01 20:56 SE 9 16.09 Light Rain OVC080 15.6 4.4 48% 75.84 1012.5
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)