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.
05 13:56 NW 15 16.09 Light Rain OVC090 13.3 13.3 22.8 13.3 100% 75.9 1013.0 0.13 0.97
05 12:56 W 17 16.09 Light Rain FEW012 BKN028 OVC080 15 0 0% 75.92 1013.2 0.13
05 11:56 W 7 14.48 Light Rain OVC075 16 0 0% 75.92 1013.3 0.33
05 10:56 NW 19 8.05 Rain BKN013 BKN028 OVC036 16 0 0% 75.92 1013.0 0.38 0.38
05 09:56 SW 26 G 35 16.09 Overcast OVC027 22.2 16.7 71% 75.87 1012.3
05 08:56 SW 24 G 37 16.09 A Few Clouds FEW026 21.7 16.7 73% 75.82 1011.8
05 07:56 SW 24 G 33 16.09 Fair CLR 21.1 16.7 22.8 20.6 76% 75.87 1012.3
05 06:56 S 17 G 28 16.09 Fair CLR 20.6 15.6 73% 75.84 1012.1
05 05:56 SW 22 G 35 16.09 Fair CLR 21.1 15 68% 75.9 1012.4
05 04:56 SW 19 G 28 16.09 Fair CLR 22.2 14.4 61% 75.9 1012.7
05 03:56 SW 22 G 35 16.09 A Few Clouds FEW120 22.2 14.4 61% 75.92 1013.0
05 02:56 S 17 G 28 16.09 Fair CLR 22.2 14.4 61% 76 1013.8
05 01:56 S 15 16.09 Fair CLR 21.7 15 26.1 21.7 66% 76.05 1014.6
05 00:56 SE 17 16.09 Fair CLR 22.2 14.4 61% 76.1 1015.3
04 23:56 S 17 16.09 Fair CLR 23.3 14.4 57% 76.15 1016.0
04 22:56 S 17 16.09 Fair CLR 24.4 14.4 54% 26 76.2 1016.6
04 21:56 S 17 G 30 16.09 Fair CLR 25 13.9 50% 26 76.23 1017.1
04 20:56 S 17 16.09 Fair CLR 25 12.8 47% 26 76.2 1016.7
04 19:56 S 13 16.09 A Few Clouds FEW070 26.1 12.8 30.6 26.1 44% 26 76.2 1016.9
04 18:56 S 20 G 31 16.09 Fair CLR 27.8 12.8 40% 27 76.2 1016.9
04 17:56 S 22 G 43 16.09 Fair CLR 29.4 12.2 35% 29 76.23 1017.0
04 16:56 S 22 G 30 16.09 Partly Cloudy SCT070 29.4 13.3 37% 29 76.25 1017.5
04 15:56 SE 15 G 30 16.09 Fair CLR 30 15.6 42% 30 76.33 1018.4
04 14:56 S 13 G 28 16.09 Fair CLR 30 15.6 42% 30 76.4 1019.4
04 13:56 S 15 16.09 Fair CLR 30.6 16.1 30.6 16.1 42% 31 76.48 1020.2
04 12:56 SE 9 16.09 Fair CLR 28.9 16.1 46% 29 76.53 1021.0
04 11:56 Vrbl 6 16.09 Fair CLR 27.2 16.7 53% 28 76.58 1021.9
04 10:56 S 11 16.09 Partly Cloudy SCT095 25 16.7 60% 26 76.63 1022.4
04 09:56 W 9 16.09 Mostly Cloudy BKN100 20.6 17.8 84% 76.66 1023.1
04 08:56 SW 11 16.09 A Few Clouds FEW120 21.1 16.7 76% 76.66 1023.0
04 07:56 Calm 16.09 Fair CLR 16.1 16.1 21.1 15.6 100% 76.66 1023.1
04 06:56 Calm 16.09 A Few Clouds FEW120 16.1 16.1 100% 76.63 1022.7
04 05:56 Calm 16.09 Fair CLR 17.8 15.6 87% 76.58 1022.1
04 04:56 S 6 16.09 A Few Clouds FEW080 20 14.4 70% 76.61 1022.0
04 03:56 SW 6 16.09 A Few Clouds FEW080 20 13.9 68% 76.61 1022.3
04 02:56 SW 6 16.09 Overcast OVC085 20.6 13.9 66% 76.63 1022.6
04 01:56 SW 6 16.09 Mostly Cloudy BKN090 20.6 13.9 25.6 19.4 66% 76.63 1022.6
04 00:56 Calm 16.09 Fair CLR 19.4 14.4 73% 76.63 1022.6
03 23:56 Calm 16.09 Fair CLR 22.2 13.9 59% 76.61 1022.4
03 22:56 Calm 16.09 A Few Clouds FEW110 22.2 13.9 59% 76.61 1022.6
03 21:56 S 7 16.09 Overcast FEW080 OVC110 23.3 14.4 57% 76.61 1022.3
03 20:56 S 6 16.09 Mostly Cloudy BKN085 BKN110 24.4 13.9 52% 26 76.58 1022.2
03 19:56 S 7 16.09 Overcast OVC110 25.6 13.9 27.8 20.6 48% 26 76.56 1021.8
03 18:56 S 11 16.09 Overcast OVC075 26.7 14.4 47% 27 76.56 1021.8
03 17:56 SW 13 16.09 Mostly Cloudy BKN075 27.2 14.4 45% 27 76.56 1021.8
03 16:56 S 11 16.09 Fair CLR 27.2 15.6 49% 28 76.58 1022.3
03 15:56 S 15 16.09 Fair CLR 25.6 16.1 56% 26 76.63 1023.0
03 14:56 S 11 16.09 Fair CLR 22.8 15.6 64% 76.71 1024.0
03 13:56 Vrbl 11 16.09 Fair CLR 20.6 15 20.6 8.3 70% 76.78 1024.8
03 12:56 S 15 16.09 Overcast OVC012 17.2 15 87% 76.84 1025.7
03 11:56 SW 11 16.09 Overcast OVC006 13 0 0% 76.91 1026.8
03 10:56 Vrbl 9 4.83 Fog/Mist OVC002 12 0 0% 76.94 1027.4
03 09:56 S 13 0.80 Fog OVC002 11 0 0% 76.94 1027.3
03 08:56 S 7 0.80 Fog OVC002 9 0 0% 8 76.99 1028.0
03 07:56 SE 9 0.80 Fog OVC002 8 0 8.3 7.8 0% 7 76.99 1028.1
03 04:56 Calm 2.82 Fog/Mist OVC002 8 0 0% 76.99 1028.0
03 01:56 E 6 6.44 Overcast with Haze OVC004 8 0 8.3 7.8 0% 77.06 1028.9
03 00:56 E 9 4.83 Fog/Mist OVC004 8 0 0% 7 77.09 1029.4
02 23:56 E 7 4.83 Fog/Mist OVC004 8 0 0% 7 77.09 1029.4
02 22:56 E 9 4.02 Fog/Mist OVC004 8 0 0% 7 77.06 1029.1
02 21:56 Vrbl 11 4.83 Fog/Mist OVC004 8 0 0% 6 77.06 1029.1
02 20:56 E 11 4.83 Fog/Mist OVC004 8 0 0% 6 77.04 1028.5
02 19:56 E 9 4.02 Fog/Mist OVC002 9 0 11.7 8.9 0% 8 77.01 1028.3
02 18:56 E 17 4.83 Fog/Mist OVC004 9 0 0% 7 76.99 1027.7
02 17:56 Vrbl 9 11.27 Overcast OVC004 10 0 0% 9 76.96 1027.5
02 16:56 Vrbl 6 14.48 Overcast OVC004 11 0 0% 76.99 1027.7
02 15:56 Vrbl 11 11.27 Overcast OVC004 11 0 0% 76.99 1027.7
02 14:56 E 11 6.44 Overcast with Haze OVC004 11 0 0% 77.01 1028.1
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)