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.
07 07:56 S 11 16.09 Fair CLR 6.7 0 63% 5 76.35 1019.6
07 06:56 SE 9 16.09 Fair CLR 3.9 -1.1 3.9 -1.1 70% 2 76.38 1019.9
07 05:56 SE 9 16.09 Fair CLR 3.9 -0.6 73% 2 76.4 1020.1
07 04:56 SE 11 16.09 Fair CLR 2.8 -0.6 79% 0 76.43 1020.6
07 03:56 SE 7 16.09 Fair CLR 0.6 -1.7 85% -1 76.45 1021.1
07 02:56 Calm 16.09 Fair CLR 0 -2.2 85% 76.5 1021.6
07 01:56 Calm 16.09 Fair CLR -1.1 -2.8 88% 76.56 1022.2
07 00:56 Calm 16.09 Fair CLR -0.6 -1.7 6.7 -0.6 92% 76.58 1022.8
06 23:56 Calm 16.09 Fair CLR 1.7 -2.2 76% 76.63 1023.2
06 22:56 Calm 16.09 Fair CLR 2.2 -1.1 79% 76.66 1023.6
06 21:56 Calm 16.09 Fair CLR 3.3 -2.2 68% 76.68 1023.8
06 20:56 Calm 16.09 Fair CLR 3.3 -1.7 70% 76.66 1023.8
06 19:56 Calm 16.09 Fair CLR 4.4 -1.7 65% 76.66 1023.6
06 18:56 Calm 16.09 Fair CLR 6.7 -3.9 13.9 6.7 47% 76.63 1023.3
06 17:56 NW 6 16.09 Fair CLR 8.9 -4.4 39% 76.61 1022.7
06 16:56 Vrbl 6 16.09 Fair CLR 11.7 -5 31% 76.58 1022.6
06 15:56 W 15 16.09 Fair CLR 13.3 -4.4 29% 76.58 1022.4
06 14:56 NW 26 G 39 16.09 Fair CLR 13.3 -5 28% 76.56 1022.1
06 13:56 W 30 G 39 16.09 Fair CLR 13.9 -4.4 28% 76.56 1022.2
06 12:56 NW 20 G 33 16.09 Fair CLR 13.3 -3.9 13.9 5 30% 76.61 1022.6
06 11:56 NW 28 G 39 16.09 Fair CLR 12.8 -3.9 31% 76.63 1023.1
06 10:56 NW 24 G 44 16.09 Fair CLR 12.2 -3.3 34% 76.71 1023.8
06 09:56 NW 15 G 44 16.09 Partly Cloudy SCT055 10.6 -2.8 39% 76.71 1024.0
06 08:56 W 24 G 30 16.09 Fair CLR 10 -1.7 44% 7 76.68 1023.7
06 07:56 W 11 16.09 Fair CLR 7.8 -1.1 54% 6 76.66 1023.2
06 06:56 Calm 16.09 Fair CLR 6.1 -2.2 12.2 5.6 56% 76.58 1022.4
06 05:56 W 19 16.09 Fair CLR 7.2 -1.7 54% 4 76.48 1020.8
06 04:56 Calm 16.09 A Few Clouds FEW050 7.8 -1.1 54% 76.43 1020.2
06 03:56 Calm 16.09 Partly Cloudy SCT050 8.3 0 56% 76.33 1018.7
06 02:56 NW 11 16.09 Partly Cloudy SCT050 10 0.6 52% 9 76.28 1018.1
06 01:56 NW 13 G 33 16.09 A Few Clouds FEW060 11.1 0.6 49% 76.2 1017.2
06 00:56 NW 20 G 39 16.09 Fair CLR 11.7 0.6 20.6 11.7 47% 76.12 1016.0
05 23:56 NW 19 G 30 16.09 Fair CLR 13.3 3.3 51% 76.02 1014.7
05 22:56 NW 22 G 46 16.09 Overcast FEW047 BKN065 OVC080 17.2 7.2 52% 75.84 1012.1
05 21:56 W 28 G 39 16.09 Mostly Cloudy BKN080 20 6.7 42% 75.62 1009.1
05 20:56 W 24 G 37 16.09 Mostly Cloudy BKN090 20.6 5.6 38% 75.54 1008.3
05 19:56 SW 13 16.09 Overcast OVC085 20 3.9 35% 75.57 1008.7
05 18:56 W 11 16.09 Fair CLR 18.9 3.9 21.7 18.3 37% 75.59 1009.3
05 17:56 SW 13 16.09 Fair CLR 19.4 3.9 36% 75.59 1009.1
05 16:56 SW 7 16.09 Fair CLR 20.6 2.8 31% 75.57 1008.9
05 15:56 SW 15 G 28 16.09 Fair CLR 21.7 3.3 30% 75.59 1009.1
05 14:56 S 17 G 28 16.09 Fair CLR 21.7 3.9 31% 75.64 1009.7
05 13:56 Vrbl 9 G 30 16.09 Fair CLR 20.6 3.3 32% 75.74 1011.2
05 12:56 SW 19 G 35 16.09 Fair CLR 21.1 1.7 21.1 2.8 28% 75.87 1012.7
05 11:56 SW 13 16.09 Fair CLR 20 -0.6 25% 76.02 1014.7
05 10:56 S 17 16.09 Fair CLR 17.8 -0.6 29% 76.17 1016.8
05 09:56 SW 11 16.09 Fair CLR 16.1 -0.6 32% 76.28 1018.5
05 08:56 S 9 16.09 Fair CLR 13.3 -1.1 37% 76.4 1020.3
05 07:56 Vrbl 6 16.09 Fair CLR 8.3 -0.6 54% 76.5 1021.6
05 06:56 Calm 16.09 Fair CLR 2.8 -1.1 4.4 1.1 76% 76.58 1022.6
05 05:56 Calm 16.09 Fair CLR 1.7 -0.6 85% 76.61 1023.0
05 04:56 Calm 16.09 Fair CLR 1.7 -0.6 85% 76.63 1023.5
05 03:56 Calm 16.09 Fair CLR 3.9 -2.2 65% 76.66 1023.6
05 02:56 Calm 16.09 Fair CLR 2.8 0.6 86% 76.68 1023.9
05 01:56 Calm 16.09 Fair CLR 3.9 -1.1 70% 76.71 1024.5
05 00:56 Calm 16.09 Fair CLR 4.4 -2.2 9.4 3.9 63% 76.76 1024.7
04 23:56 Calm 16.09 Fair CLR 4.4 -1.7 65% 76.81 1025.3
04 22:56 Calm 16.09 Fair CLR 5 0 70% 76.81 1025.6
04 21:56 Calm 16.09 Fair CLR 5 0 70% 76.84 1025.9
04 20:56 Calm 16.09 Fair CLR 7.2 -2.2 52% 76.84 1025.7
04 19:56 Calm 16.09 Fair CLR 8.9 -1.7 48% 76.81 1025.7
04 18:56 Calm 16.09 Fair CLR 8.3 -0.6 16.1 8.3 54% 76.81 1025.5
04 17:56 NW 6 16.09 Fair CLR 11.1 -3.3 37% 76.76 1024.9
04 16:56 W 7 16.09 Fair CLR 13.9 -4.4 28% 76.71 1024.3
04 15:56 W 15 16.09 Fair CLR 15.6 -3.9 26% 76.68 1023.7
04 14:56 W 15 16.09 Fair CLR 16.1 -3.3 26% 76.68 1023.6
04 13:56 W 20 G 33 16.09 Fair CLR 15.6 -2.8 28% 76.73 1024.2
04 12:56 W 19 16.09 Fair CLR 13.9 -0.6 15 5 37% 76.76 1024.9
04 11:56 NW 22 G 31 16.09 Fair CLR 14.4 -1.1 35% 76.84 1025.8
04 10:56 W 22 G 33 16.09 Fair CLR 13.9 0 39% 76.89 1026.4
04 09:56 W 15 G 26 16.09 Fair CLR 12.2 0 43% 76.89 1026.6
04 08:56 W 17 16.09 Fair CLR 11.1 0 47% 76.91 1026.8
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)