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.
23 06:56 Calm 16.09 A Few Clouds FEW095 11 0 0% 76.17 1016.8
23 05:56 Calm 16.09 Fair CLR 10.6 10.6 100% 76.12 1016.2
23 04:56 Calm 16.09 Fair CLR 11.7 11.7 100% 76.12 1015.9
23 03:56 Calm 16.09 A Few Clouds FEW065 11.7 11.1 96% 76.12 1015.9
23 02:56 Calm 16.09 Fair CLR 12.8 10.6 87% 76.1 1015.8
23 01:56 Calm 16.09 Fair CLR 12.8 10.6 21.1 12.8 87% 76.12 1016.1
23 00:56 Calm 16.09 Fair CLR 15 9.4 69% 76.15 1016.4
22 23:56 W 7 16.09 Fair CLR 15 9.4 69% 76.15 1016.3
22 22:56 Calm 16.09 Fair CLR 15 8.9 67% 76.12 1016.1
22 21:56 Calm 16.09 Fair CLR 16.7 9.4 62% 76.1 1015.7
22 20:56 W 7 16.09 Fair CLR 19.4 8.9 51% 76.07 1015.4
22 19:56 W 7 16.09 A Few Clouds FEW100 21.1 8.9 25.6 21.1 46% 76.02 1014.6
22 18:56 SW 19 16.09 Mostly Cloudy BKN075 BKN090 23.3 10 43% 76 1014.2
22 17:56 Vrbl 11 16.09 Fair CLR 24.4 8.9 37% 25 76.02 1014.5
22 16:56 Vrbl 7 16.09 A Few Clouds FEW065 25 9.4 37% 26 76.02 1014.8
22 15:56 W 9 16.09 Partly Cloudy SCT070 24.4 10 40% 25 76.07 1015.2
22 14:56 Vrbl 9 16.09 Mostly Cloudy BKN075 23.3 9.4 41% 76.12 1016.2
22 13:56 Vrbl 9 16.09 Mostly Cloudy BKN080 21.1 9.4 21.1 9.4 47% 76.2 1017.3 0.15
22 12:56 Vrbl 6 16.09 Fair CLR 17.2 10.6 65% 76.28 1018.0
22 11:56 Vrbl 7 16.09 A Few Clouds FEW100 13.3 11.7 90% 76.3 1018.6 0.03
22 10:56 Calm 16.09 Light Rain OVC080 9.4 9.4 100% 76.33 1019.1 0.13 0.13
22 09:56 Calm 16.09 Light Rain BKN095 BKN110 12.8 3.9 55% 76.35 1019.2
22 08:56 SW 6 16.09 Overcast OVC110 11.7 2.8 55% 76.33 1019.0
22 07:56 SW 6 16.09 Fair CLR 11.7 2.2 11.7 10 52% 76.33 1019.0
22 06:56 Calm 16.09 Fair CLR 10.6 1.7 54% 76.33 1018.9
22 05:56 Vrbl 9 16.09 Fair CLR 11.1 1.7 53% 76.33 1018.8
22 04:56 S 7 16.09 Fair CLR 10.6 2.8 59% 76.33 1019.0
22 03:56 S 9 16.09 Fair CLR 10.6 2.8 59% 76.38 1019.6
22 02:56 SE 13 16.09 Fair CLR 10 3.3 63% 8 76.43 1020.3
22 01:56 SE 11 16.09 Fair CLR 10 3.3 13.9 8.3 63% 9 76.48 1021.1
22 00:56 SE 13 16.09 Fair CLR 8.9 2.2 63% 7 76.58 1022.4
21 23:56 SE 13 16.09 Fair CLR 8.9 1.7 61% 7 76.61 1023.1
21 22:56 SE 15 16.09 Fair CLR 10 0.6 52% 8 76.66 1023.7
21 21:56 SE 13 16.09 Fair CLR 11.7 -0.6 43% 76.68 1023.9
21 20:56 SE 13 16.09 Fair CLR 12.8 -2.2 36% 76.68 1023.6
21 19:56 SE 11 16.09 Fair CLR 13.9 -3.3 17.2 13.9 30% 76.66 1023.7
21 18:56 S 17 16.09 Fair CLR 15 -3.3 28% 76.63 1023.5
21 17:56 SE 22 16.09 Fair CLR 16.1 -3.9 25% 76.66 1023.7
21 16:56 S 13 16.09 Fair CLR 17.2 -5.6 21% 76.71 1024.2
21 15:56 S 13 16.09 Fair CLR 16.7 -5 22% 76.81 1025.7
21 14:56 S 11 16.09 Fair CLR 15 -5 25% 76.89 1026.7
21 13:56 S 15 16.09 Fair CLR 13.9 -5.6 14.4 -0.6 26% 76.99 1028.1
21 12:56 Vrbl 11 16.09 Fair CLR 12.2 -6.1 28% 77.06 1029.3
21 11:56 Calm 16.09 Fair CLR 11.1 -5.6 31% 77.14 1030.4
21 10:56 W 15 16.09 Fair CLR 9.4 -5 36% 7 77.22 1031.2
21 09:56 SE 7 16.09 Fair CLR 8.3 -4.4 41% 7 77.27 1031.8
21 08:56 Vrbl 7 16.09 Fair CLR 5.6 -3.9 51% 4 77.32 1032.6
21 07:56 Calm 16.09 Fair CLR -0.6 -1.7 -0.6 -4.4 92% 77.32 1032.5
21 06:56 Calm 16.09 Fair CLR -3.9 -5 92% 77.27 1032.1
21 05:56 Calm 16.09 Fair CLR -3.9 -5 92% 77.17 1030.7
21 04:56 Calm 16.09 Fair CLR -3.3 -5 88% 77.14 1030.2
21 03:56 Calm 16.09 Fair CLR -3.3 -5.6 84% 77.09 1029.7
21 02:56 Calm 16.09 Fair CLR -2.8 -3.9 92% 77.04 1029.1
21 01:56 Calm 16.09 Fair CLR -0.6 -3.3 7.2 -1.1 82% 77.06 1029.3
21 00:56 Calm 16.09 Fair CLR -0.6 -3.3 82% 77.09 1029.8
20 23:56 Calm 16.09 Fair CLR 1.1 -5 64% 77.06 1029.4
20 22:56 Calm 16.09 Fair CLR 1.7 -4.4 64% 77.06 1029.3
20 21:56 Calm 16.09 Fair CLR 3.3 -6.1 51% 77.09 1029.3
20 20:56 Calm 16.09 Fair CLR 5 -6.1 45% 77.01 1028.6
20 19:56 Calm 16.09 Fair CLR 7.2 -7.8 12.2 7.2 34% 76.94 1027.5
20 18:56 Vrbl 9 G 26 16.09 Fair CLR 9.4 -7.8 29% 8 76.89 1026.6
20 17:56 NW 15 16.09 Mostly Cloudy BKN080 11.1 -7.2 27% 76.84 1026.0
20 16:56 NW 24 G 41 16.09 Partly Cloudy SCT080 11.1 -7.2 27% 76.78 1025.1
20 15:56 NW 17 G 41 16.09 A Few Clouds FEW080 11.1 -5.6 31% 76.76 1024.8
20 14:56 NW 24 G 41 16.09 Mostly Cloudy SCT065 BKN080 11.1 -4.4 34% 76.73 1024.8
20 13:56 NW 20 G 37 16.09 Partly Cloudy FEW055 SCT070 11.7 -2.8 11.7 6.1 37% 76.76 1024.9
20 12:56 NW 17 16.09 Overcast BKN047 OVC075 10.6 -1.1 45% 76.78 1025.3
20 11:56 NW 13 16.09 Mostly Cloudy SCT042 BKN050 BKN070 9.4 1.1 56% 8 76.78 1025.4
20 10:56 W 9 16.09 Light Rain FEW025 BKN035 OVC050 6.1 2.2 76% 4 76.78 1025.6
20 09:56 W 17 G 30 16.09 Mostly Cloudy FEW044 SCT070 BKN080 9.4 -0.6 50% 7 76.68 1024.1
20 08:56 NW 19 G 31 16.09 A Few Clouds FEW085 8.9 1.7 61% 6 76.68 1023.9
20 07:56 NW 11 16.09 Overcast OVC080 7.2 1.7 7.8 2.8 68% 5 76.66 1023.6
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)