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.
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
01 19:56 SE 13 16.09 Overcast OVC095 16.7 2.2 20 16.7 38% 75.82 1012.0
01 18:56 S 15 16.09 Overcast BKN100 OVC110 17.8 1.7 34% 75.79 1011.9
01 17:56 S 20 16.09 Fair CLR 19.4 2.2 32% 75.79 1012.0
01 16:56 S 17 16.09 Fair CLR 19.4 1.7 31% 75.84 1012.3
01 15:56 Vrbl 9 16.09 A Few Clouds FEW065 19.4 2.8 33% 75.87 1012.8
01 14:56 S 15 16.09 Fair CLR 18.9 3.3 36% 75.95 1013.8
01 13:56 SW 13 16.09 Fair CLR 18.3 1.7 18.3 7.2 33% 76.02 1014.7
01 12:56 Vrbl 9 16.09 Fair CLR 16.7 1.7 37% 76.05 1015.3
01 11:56 Vrbl 7 16.09 Fair CLR 16.7 2.2 38% 76.1 1015.9
01 10:56 Calm 16.09 Fair CLR 13.9 0.6 41% 76.15 1016.8
01 09:56 Calm 16.09 Fair CLR 12.8 1.1 45% 76.17 1017.0
01 08:56 W 6 16.09 Fair CLR 10 3.3 63% 76.2 1017.4
01 07:56 NW 6 16.09 Fair CLR 6.7 4.4 6.7 2.8 85% 76.2 1017.5
01 06:56 Calm 16.09 Fair CLR 3.9 3.9 100% 76.17 1017.0
01 05:56 Calm 16.09 Fair CLR 3 0 0% 76.15 1017.0
01 04:56 Calm 16.09 Fair CLR 3.3 3.3 100% 76.15 1016.7
01 03:56 Calm 16.09 Fair CLR 4.4 4.4 100% 76.12 1016.5
01 02:56 NW 6 16.09 Fair CLR 4.4 3.3 93% 76.1 1016.1
01 01:56 Calm 16.09 Fair CLR 4.4 4.4 12.2 4.4 100% 76.1 1016.1
01 00:56 NW 9 16.09 Fair CLR 5.6 3.9 89% 4 76.12 1016.2
30 23:56 Calm 16.09 Fair CLR 6.7 2.8 76% 76.1 1016.0
30 22:56 Calm 16.09 Fair CLR 7.8 2.2 68% 76.1 1015.8
30 21:56 Vrbl 6 16.09 Fair CLR 8.9 2.2 63% 76.05 1015.4
30 20:56 Vrbl 7 16.09 Fair CLR 10 1.7 57% 9 76.02 1014.9
30 19:56 NW 19 G 30 16.09 A Few Clouds FEW080 12.2 3.3 19.4 12.2 55% 75.95 1014.0
30 18:56 NW 19 G 31 16.09 Partly Cloudy FEW055 SCT080 14.4 3.9 50% 75.84 1012.7
30 17:56 NW 28 G 37 16.09 A Few Clouds FEW060 17.2 3.9 41% 75.77 1011.4
30 16:56 NW 22 G 37 16.09 Overcast BKN070 OVC085 17.2 2.8 38% 75.72 1010.7
30 15:56 W 28 G 39 16.09 A Few Clouds FEW070 17.8 2.2 35% 75.67 1010.0
30 14:56 W 26 G 33 16.09 Partly Cloudy SCT070 19.4 3.3 35% 75.67 1009.8
30 13:56 W 24 G 43 16.09 A Few Clouds FEW065 18.3 2.8 18.9 10.6 36% 75.67 1010.0
30 12:56 W 26 G 39 16.09 A Few Clouds FEW065 18.3 3.9 39% 75.69 1010.4
30 11:56 W 22 G 37 16.09 Partly Cloudy SCT050 17.2 5.6 47% 75.72 1010.7
30 10:56 NW 20 G 39 16.09 Partly Cloudy SCT048 16.7 6.1 50% 75.74 1011.0
30 09:56 NW 17 G 26 16.09 Fair CLR 15.6 8.3 62% 75.74 1011.2
30 08:56 NW 17 16.09 Fair CLR 12.8 12.8 100% 75.72 1010.9
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)