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.
12 19:56 NW 11 16.09 Mostly Cloudy BKN044 -1.1 -8.9 56% -5 76.61 1023.5
12 18:56 NW 19 G 30 16.09 Partly Cloudy SCT046 -1.1 -8.3 1.7 -1.1 58% -6 76.61 1023.4
12 17:56 NW 26 G 41 16.09 Overcast OVC046 -0.6 -7.8 59% -6 76.56 1022.6
12 16:56 NW 26 G 41 16.09 Mostly Cloudy BKN042 0 -8.3 54% -6 76.48 1021.6
12 15:56 NW 31 G 44 16.09 Mostly Cloudy BKN042 0.6 -8.3 52% -5 76.43 1021.0
12 14:56 NW 31 G 46 16.09 Mostly Cloudy BKN044 0.6 -8.3 52% -5 76.43 1021.0
12 13:56 NW 26 G 44 16.09 Overcast OVC046 0.6 -8.9 49% -5 76.45 1021.2
12 12:56 NW 26 G 39 16.09 Overcast OVC044 0.6 -8.9 1.1 -1.1 49% -5 76.48 1021.6
12 11:56 N 17 G 35 16.09 Mostly Cloudy BKN044 1.1 -9.4 46% -3 76.5 1021.9
12 10:56 NW 19 G 43 16.09 Overcast OVC044 0 -7.8 56% -5 76.53 1022.3
12 09:56 NW 17 G 35 16.09 Unknown Precip FEW040 OVC047 -0.6 -7.2 61% -5 76.53 1022.2
12 08:56 NW 15 16.09 Overcast OVC045 -0.6 -7.8 59% -5 76.5 1021.8
12 07:56 Vrbl 7 16.09 Overcast OVC043 -1.1 -7.8 61% -3 76.48 1021.5
12 06:56 Vrbl 11 16.09 Overcast OVC039 -1.1 -7.2 1.1 -1.1 64% -5 76.43 1020.7
12 05:56 NW 19 G 28 16.09 Overcast OVC041 -0.6 -7.2 61% -5 76.38 1020.3
12 04:56 NW 15 G 35 16.09 Overcast OVC037 0 -6.7 61% -4 76.35 1019.7
12 03:56 NW 22 G 28 16.09 Overcast OVC035 0 -6.7 61% -5 76.33 1019.5
12 02:56 NW 26 G 37 16.09 Overcast OVC037 0.6 -6.7 58% -5 76.3 1019.0
12 01:56 NW 13 16.09 Overcast OVC035 0.6 -6.1 61% -3 76.3 1019.1
12 00:56 NW 30 G 43 16.09 Overcast OVC040 1.1 -6.1 3.9 1.1 59% -5 76.28 1018.5
11 23:56 NW 19 G 26 16.09 Overcast OVC038 1.7 -5.6 59% -2 76.25 1018.4
11 22:56 NW 15 G 41 16.09 Overcast OVC040 2.2 -5.6 57% -1 76.2 1017.8
11 21:56 NW 17 G 33 16.09 Overcast OVC041 2.2 -5 59% -2 76.17 1017.4
11 20:56 NW 24 G 44 16.09 Overcast OVC049 2.8 -5 57% -2 76.17 1017.3
11 19:56 NW 20 G 35 16.09 Overcast OVC043 3.3 -4.4 57% -1 76.15 1017.0
11 18:56 Vrbl 9 16.09 Overcast OVC049 3.9 -4.4 7.2 3.9 55% 2 76.12 1016.6
11 17:56 NW 20 G 35 16.09 Overcast OVC049 3.9 -4.4 55% 0 76.05 1015.8
11 16:56 NW 22 G 39 16.09 Overcast OVC049 5 -5 49% 1 76 1015.1
11 15:56 NW 19 16.09 Overcast OVC049 5.6 -4.4 49% 2 75.92 1013.9
11 14:56 NW 13 16.09 Overcast OVC049 5.6 -4.4 49% 3 75.9 1013.7
11 13:56 W 20 G 33 16.09 Partly Cloudy SCT049 6.7 -4.4 45% 3 75.84 1013.0
11 12:56 W 20 G 37 16.09 Partly Cloudy SCT045 6.1 -3.3 7.8 5 51% 3 75.87 1013.3
11 11:56 NW 22 16.09 Overcast OVC045 6.1 -3.3 51% 3 75.9 1013.6
11 10:56 W 22 G 33 16.09 Mostly Cloudy BKN043 6.7 -2.2 53% 3 75.92 1013.8
11 09:56 NW 19 G 30 16.09 Fair CLR 6.1 -2.2 56% 3 75.9 1013.7
11 08:56 NW 17 G 31 16.09 Fair CLR 5 -1.7 62% 2 75.9 1013.6
11 07:56 NW 13 16.09 A Few Clouds FEW039 5 -1.1 65% 2 75.84 1013.1
11 06:56 N 11 16.09 Fair CLR 5.6 -0.6 8.9 2.8 65% 3 75.79 1012.2
11 05:56 NW 13 16.09 Fair CLR 6.1 0 65% 4 75.72 1011.3
11 04:56 NW 13 16.09 Fair CLR 7.2 1.7 68% 5 75.69 1010.5
11 03:56 NW 17 16.09 Fair CLR 8.3 2.2 66% 6 75.59 1009.5
11 02:56 Calm 16.09 Partly Cloudy FEW046 SCT055 3.3 -0.6 76% 75.54 1008.8
11 01:56 Calm 16.09 Overcast SCT046 OVC065 3.9 -1.7 67% 75.51 1008.3
11 00:56 Calm 16.09 Overcast SCT050 BKN060 OVC075 4.4 -2.2 7.2 3.9 63% 75.49 1008.1
10 23:56 NW 6 16.09 Overcast BKN055 OVC080 5.6 -2.8 55% 75.51 1008.4
10 22:56 Calm 16.09 Mostly Cloudy BKN060 5.6 -3.3 53% 75.54 1008.7
10 21:56 S 6 16.09 Mostly Cloudy BKN065 5 -5 49% 75.62 1009.9
10 20:56 S 7 16.09 Fair CLR 5 -6.1 45% 4 75.69 1010.9
10 19:56 SE 13 16.09 Fair CLR 5 -6.1 45% 2 75.77 1011.8
10 18:56 S 6 16.09 Fair CLR 5.6 -6.7 8.3 5.6 41% 75.9 1013.7
10 17:56 S 7 16.09 Fair CLR 6.1 -6.1 42% 5 75.97 1014.6
10 16:56 S 9 16.09 Fair CLR 7.2 -7.2 35% 6 76 1014.9
10 15:56 SE 13 16.09 Fair CLR 6.7 -7.2 37% 4 76.02 1015.5
10 14:56 S 13 16.09 Fair CLR 7.8 -7.2 34% 6 76.1 1016.3
10 13:56 SE 9 16.09 Fair CLR 6.7 -7.8 35% 5 76.15 1017.0
10 12:56 S 6 16.09 Fair CLR 6.7 -8.9 6.7 -3.3 32% 76.25 1018.4
10 11:56 SE 7 16.09 Fair CLR 3.9 -10 36% 2 76.35 1019.8
10 10:56 SE 6 16.09 Fair CLR 2.8 -10.6 37% 76.45 1021.2
10 09:56 SE 6 16.09 Fair CLR 1.7 -11.1 38% 76.5 1022.0
10 08:56 Calm 16.09 A Few Clouds FEW120 -0.6 -10.6 47% 76.56 1022.7
10 07:56 Calm 16.09 Partly Cloudy SCT120 -2.2 -10.6 53% 76.56 1022.8
10 06:56 Calm 16.09 Overcast BKN050 OVC100 -2.8 -10.6 -2.2 -3.3 55% 76.56 1022.7
10 05:56 E 6 16.09 Overcast OVC055 -2.8 -11.1 53% 76.5 1022.2
10 04:56 Calm 16.09 Overcast OVC055 -2.8 -10.6 55% 76.56 1022.7
10 03:56 Calm 16.09 Overcast OVC060 -2.2 -9.4 58% 76.53 1022.4
10 02:56 Calm 16.09 Overcast OVC065 -2.8 -10.6 55% 76.56 1022.8
10 01:56 Calm 16.09 Overcast OVC065 -2.2 -10 56% 76.63 1023.7
10 00:56 Calm 16.09 Overcast OVC070 -2.8 -11.1 -2.2 -4.4 53% 76.63 1023.8
09 23:56 SE 6 16.09 Overcast OVC070 -2.8 -11.1 53% 76.71 1024.8
09 22:56 Calm 16.09 Overcast OVC070 -3.3 -11.7 53% 76.71 1024.9
09 21:56 Calm 16.09 Overcast OVC070 -3.3 -10.6 57% 76.78 1025.7
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)