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.
16 04:56 S 19 G 31 9.66 Overcast with Haze OVC003 16 0 0% 75.46 1007.3
16 03:56 SE 22 G 30 11.27 Overcast OVC003 14 0 0% 75.54 1008.4
16 02:56 SE 15 16.09 Overcast OVC003 14 0 0% 75.67 1010.0
16 01:56 SE 20 6.44 Light Rain OVC003 13 0 13.3 9.4 0% 75.74 1011.1 0.1 0.64
16 00:56 E 15 G 26 4.83 Rain OVC005 12 0 0% 75.87 1012.8 0.53
15 23:56 Vrbl 9 16.09 Overcast BKN009 OVC013 10 10 100% 9 76.02 1014.9
15 22:56 E 17 16.09 Light Rain OVC017 10 9.4 96% 8 76.15 1016.8
15 21:56 E 9 16.09 Overcast BKN019 OVC027 10 7.2 83% 9 76.28 1018.5
15 20:56 Vrbl 7 16.09 Overcast OVC023 9.4 6.1 80% 9 76.38 1019.7
15 19:56 E 9 16.09 Overcast OVC025 9.4 5 12.2 9.4 74% 8 76.45 1020.8
15 18:56 Vrbl 9 16.09 Overcast OVC029 9.4 3.9 69% 8 76.5 1021.5
15 17:56 Vrbl 7 16.09 Light Rain OVC031 9.4 3.3 66% 9 76.56 1022.2
15 16:56 E 11 G 26 16.09 Overcast OVC033 11.1 1.1 50% 76.63 1023.1
15 15:56 SE 20 G 28 16.09 Overcast OVC037 11.7 1.1 48% 76.68 1023.7
15 14:56 SE 22 G 31 16.09 Overcast OVC042 11.7 1.7 51% 76.71 1024.3
15 13:56 SE 28 G 37 16.09 Overcast OVC042 11.7 0.6 12.2 5 47% 76.84 1026.0
15 12:56 SE 28 G 35 16.09 Overcast BKN040 OVC048 11.1 -1.7 41% 76.94 1027.3
15 11:56 SE 20 G 37 16.09 Overcast OVC038 8.9 -3.9 41% 6 76.99 1028.2
15 10:56 E 19 G 31 16.09 Overcast OVC040 8.3 -5 39% 6 77.04 1028.8
15 09:56 SE 22 G 30 16.09 Overcast SCT045 OVC060 7.8 -5.6 38% 5 77.04 1028.6
15 08:56 E 11 16.09 Overcast OVC047 6.7 -5 43% 5 77.06 1029.0
15 07:56 Vrbl 9 16.09 A Few Clouds FEW047 5 -5.6 6.1 3.9 47% 3 77.04 1028.6
15 06:56 E 6 16.09 Overcast OVC050 5 -5 49% 77.04 1028.5
15 05:56 E 6 16.09 Mostly Cloudy BKN048 4.4 -6.1 47% 76.99 1027.9
15 04:56 E 9 16.09 Fair CLR 5.6 -7.2 40% 4 76.99 1028.1
15 03:56 E 7 16.09 Fair CLR 6.1 -8.3 35% 5 76.99 1028.1
15 02:56 Calm 16.09 Fair CLR 6.1 -8.3 35% 77.01 1028.3
15 01:56 Calm 16.09 Fair CLR 5.6 -8.9 10 3.3 35% 77.01 1028.3
15 00:56 E 6 16.09 Fair CLR 3.9 -5.6 50% 77.01 1028.3
14 23:56 Calm 16.09 Fair CLR 4.4 -6.1 47% 76.99 1028.2
14 22:56 Calm 16.09 Fair CLR 5 -6.7 43% 76.99 1027.9
14 21:56 Calm 16.09 Fair CLR 8.3 -9.4 28% 76.91 1027.1
14 20:56 Calm 16.09 Fair CLR 8.9 -10 25% 76.84 1025.8
14 19:56 Calm 16.09 Fair CLR 9.4 -10 14.4 9.4 25% 76.73 1024.7
14 18:56 Calm 16.09 Fair CLR 12.2 -10.6 19% 76.73 1024.4
14 17:56 NW 13 16.09 Fair CLR 13.3 -11.1 17% 76.63 1023.1
14 16:56 W 19 G 31 16.09 Fair CLR 14.4 -10 18% 76.58 1022.4
14 15:56 NW 28 G 39 16.09 Fair CLR 13.9 -10 18% 76.61 1022.6
14 14:56 W 22 16.09 Fair CLR 13.3 -10.6 18% 76.56 1022.2
14 13:56 W 24 G 33 16.09 Fair CLR 12.8 -9.4 12.8 8.3 21% 76.58 1022.4
14 12:56 W 19 G 30 16.09 Fair CLR 12.2 -8.9 22% 76.56 1022.2
14 11:56 NW 28 G 35 16.09 Fair CLR 10.6 -7.8 27% 76.53 1021.9
14 10:56 W 20 G 37 16.09 Fair CLR 8.9 -7.8 30% 6 76.48 1021.4
14 09:56 W 31 G 46 16.09 Fair CLR 8.3 -7.8 31% 5 76.43 1020.5
14 08:56 NW 30 G 44 16.09 Fair CLR 8.9 -8.9 28% 5 76.3 1018.9
14 07:56 W 24 G 31 16.09 Fair CLR 8.3 -8.9 11.1 7.8 29% 5 76.23 1017.6
14 06:56 W 24 G 35 16.09 Fair CLR 8.9 -10.6 24% 6 76.1 1016.1
14 05:56 W 28 G 37 16.09 Fair CLR 10 -11.1 22% 7 75.97 1014.4
14 04:56 W 24 G 39 16.09 Fair CLR 10.6 -11.7 20% 75.9 1013.2
14 03:56 W 17 16.09 Fair CLR 8.9 -5.6 36% 7 75.84 1012.6
14 02:56 W 7 16.09 Fair CLR 8.9 -1.7 48% 8 75.79 1012.0
14 01:56 SW 9 16.09 Fair CLR 9.4 -2.2 11.1 9.4 44% 8 75.77 1011.5
14 00:56 W 15 16.09 Fair CLR 10.6 -1.7 43% 75.72 1011.1
13 23:56 Vrbl 7 16.09 Fair CLR 10 -2.2 43% 9 75.69 1010.6
13 22:56 SW 11 16.09 Fair CLR 11.1 -2.2 40% 75.64 1010.0
13 21:56 SW 13 16.09 Fair CLR 11.1 -2.2 40% 75.62 1009.5
13 20:56 SW 20 G 35 16.09 Fair CLR 11.1 -2.2 40% 75.54 1008.8
13 19:56 S 19 G 30 16.09 Fair CLR 10.6 -2.2 12.8 8.9 41% 75.51 1008.4
13 18:56 S 24 G 37 16.09 Fair CLR 11.1 -2.2 40% 75.49 1008.2
13 17:56 S 26 G 37 16.09 Fair CLR 12.2 -3.3 34% 75.54 1008.8
13 16:56 S 24 G 37 16.09 Fair CLR 12.8 -3.3 33% 75.57 1009.2
13 15:56 S 28 G 48 16.09 Fair CLR 11.1 -3.9 35% 75.67 1010.3
13 14:56 S 33 G 44 16.09 A Few Clouds and Breezy FEW120 9.4 -4.4 38% 6 75.84 1013.1
13 13:56 S 26 G 54 16.09 Fair CLR 8.9 -4.4 9.4 -2.8 39% 6 76.1 1016.3
13 12:56 S 26 G 37 16.09 Mostly Cloudy BKN110 8.9 -3.9 41% 6 76.2 1017.7
13 11:56 S 28 G 41 16.09 Partly Cloudy SCT120 7.8 -4.4 42% 4 76.43 1020.6
13 10:56 S 20 G 41 16.09 Overcast OVC100 6.1 -3.9 49% 3 76.5 1021.6
13 09:56 S 20 G 28 16.09 Mostly Cloudy BKN120 5 -3.3 55% 1 76.58 1022.7
13 08:56 S 13 16.09 Partly Cloudy SCT120 1.7 -2.8 72% -2 76.61 1023.2
13 07:56 SE 6 16.09 Fair CLR -2.8 -4.4 -2.8 -5 89% 76.61 1023.5
13 06:56 SE 7 16.09 Fair CLR -3.9 -5 92% -7 76.61 1023.2
13 05:56 SE 6 16.09 Fair CLR -4.4 -6.1 88% 76.58 1022.9
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)